An escalator comb plate trigger force detection device and detection method thereof

Abstract

The present invention discloses a trigger force detection device for an escalator comb plate and a detection method thereof, and relates to the technical field of detection equipment. It comprises a measuring frame, a driving mechanism and a measuring mechanism; the driving mechanism and the measuring mechanism are respectively arranged on the measuring frame; the driving mechanism can control the measuring mechanism to perform stable reciprocating motion along a certain direction on the measuring frame; the measuring mechanism can measure tension and pressure; the measuring frame is provided with fixing mechanisms on both sides parallel to the moving direction of the measuring mechanism; the fixing mechanism can clamp the step teeth on the steps. The present invention has a simple structure, and can detect the trigger force of the escalator comb plate in the horizontal and vertical directions at the same time. It is simple to operate, and only one person is required to complete the detection. It can not only test the effectiveness of the protection switch, but also measure and protect the force when the switch is triggered, thereby guiding the maintenance and adjustment of the protection switch.

Description

Technical Field

[0001] The invention relates to the technical field of detection equipment, in particular to a comb plate trigger force detection device for an escalator and a detection method thereof. Background Art

[0002] An escalator is a type of escalator with circular running steps. It is a fixed electric drive device used to transport passengers upward or downward. In order to ensure the safety of the escalator, a protection switch is installed on the comb plate of the escalator. When a foreign object is stuck in the escalator, the pressure at the comb plate will increase, thereby triggering the protection switch to stop the escalator. The commonly used detection method is to push or pull the comb plate with a tool to verify whether the protection switch can work normally. This method can only verify whether the protection switch is effective, but cannot verify whether the force triggering the protection switch is normal. For this reason, an escalator comb plate trigger force detection device and a detection method thereof are proposed. Summary of the invention

[0003] The object of the present invention is to provide an escalator comb plate trigger force detection device and a detection method thereof to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an escalator comb plate trigger force detection device, comprising a measuring frame, a driving mechanism and a measuring mechanism; the driving mechanism and the measuring mechanism are respectively arranged on the measuring frame; the driving mechanism can control the measuring mechanism to perform stable reciprocating motion along a certain direction on the measuring frame; the measuring mechanism can measure tension and pressure; the measuring frame is provided with fixing mechanisms on both sides parallel to the moving direction of the measuring mechanism; the fixing mechanism can clamp the step teeth on the step so that the measuring frame is fixed on the step; the fixing mechanism comprises: a sliding block; the sliding block slides with the measuring frame connection; at least one locking unit is installed on the sliding block; the locking unit includes: a threaded column, a clamping spring and a clamping sheet; the clamping sheet is fixedly connected to the bottom of the sliding block; an adjustment hole is opened on the sliding block, the clamping spring is fixed on the sliding block, the clamping spring extends along the adjustment hole and protrudes from the bottom of the sliding block; a clamping gap is formed between the part of the clamping spring protruding from the bottom of the sliding block and the clamping sheet; the threaded column is threadedly connected to the sliding block, the end of the threaded column passes through the adjustment hole and forms a conflict with the side of the clamping spring; the size of the clamping gap can be adjusted by screwing the threaded column.

[0005] Preferably in the present technical solution, the driving mechanism comprises: a threaded sleeve, a threaded rod, a fixed plate and a driving structure; the threaded sleeve and the threaded rod are threadedly connected; the outer sleeve of the threaded sleeve is sleeved with a rolling bearing; the threaded rod is used to drive the measuring mechanism; the non-output end of the threaded rod is fixedly connected to a limiting rod, and a limiting groove is provided on the fixed plate, and the threaded rod can be prevented from rotating by the limiting rod and the limiting groove; the fixing plate and the rolling bearing are both fixedly connected to the measuring frame, and the driving structure can drive the threaded sleeve to rotate.

[0006] Preferably in the present technical solution, the driving structure includes a first bevel gear and a second bevel gear; the second bevel gear is fixedly connected to one end of the threaded sleeve, and the second bevel gear coincides with the axial center line of the threaded sleeve; the first bevel gear and the second bevel gear are meshed with each other; the first bevel gear is also fixedly connected to a rotating shaft, and the axial center line of the rotating shaft coincides with the axial center line of the first bevel gear; the rotating shaft is also fixedly connected to a rocker, and the rocker is used to drive the rotating shaft to rotate.

[0007] In the technical solution, the measuring mechanism preferably comprises: a mechanical sensor; the mechanical sensor can measure tension and pressure; the first end of the mechanical sensor is fixed to the output end of the driving mechanism, and the second end of the mechanical sensor is hinged with a tension and compression rod; the tension and compression rod is provided with a hook at one end away from the mechanical sensor;

[0008] Further preferably, the mechanical sensor is hinged to the tension and compression rod via a ball joint; a limit cover is threadedly connected to the tension and compression rod, and the limit cover is used to lock the ball joint on the tension and compression rod to prevent it from detaching.

[0009] Preferably in the present technical solution, the fixing mechanism can slide freely on the measuring frame, and the angle between the sliding direction of the fixing mechanism and the moving direction of the measuring mechanism is °.

[0010] Preferably in the present technical solution, the fixing mechanism and the measuring mechanism are respectively provided with a plurality of sliders; the measuring frame is provided with sliding grooves corresponding to the plurality of sliders one by one; the fixing mechanism and the measuring mechanism both form a stable sliding connection with the measuring frame through the slider and the sliding groove structure.

[0011] Preferably in the present technical solution, there are two locking units; the cross-section of the clamping spring is U-shaped with one side long and the other side short, and a fixing hole is provided on the sliding block, wherein the U-shaped short side of the clamping spring is inserted into the fixing hole, and the U-shaped long side of the clamping spring is inserted into the adjusting hole, and the threaded column passes through the U-shaped short side of the clamping spring to fix the clamping spring on the sliding block, and the end of the threaded column is in conflict with the U-shaped long side of the clamping spring.

[0012] Preferably, the technical solution further comprises a display mechanism; the display mechanism can be electrically connected to the measuring mechanism and the escalator respectively.

[0013] Based on the above-mentioned escalator comb plate trigger force detection device, the present invention proposes a escalator comb plate trigger force detection method, and its measurement steps are as follows:

[0014] S1: First, the display mechanism in the measuring device is electrically connected to the measuring mechanism and the escalator respectively;

[0015] S2: Use a measuring device to detect the trigger force of the escalator comb plate in the horizontal direction;

[0016] S3: Use a measuring device to detect the trigger force of the escalator comb plate in the vertical direction.

[0017] Preferably, in the technical solution, the steps of detecting the trigger force of the escalator comb plate in the horizontal direction in step S2 are as follows:

[0018] S21: Fixing the measuring device on the step by a fixing mechanism;

[0019] S22: adjusting the measuring mechanism through the driving mechanism so that the measuring mechanism contacts the comb plate, and further clearing the display mechanism;

[0020] S23: starting the driving mechanism, and driving the measuring mechanism to apply horizontal pressure to the comb plate through the driving mechanism until the protection switch on the comb plate of the escalator is triggered;

[0021] S24: Read the data on the display mechanism and record it;

[0022] The steps of detecting the trigger force of the escalator comb plate in the vertical direction in step S3 are as follows:

[0023] S31: Hang the measuring device upside down on the measuring bracket;

[0024] S32: adjusting the measuring mechanism through the driving mechanism so that the measuring mechanism can hook the comb plate, and further clearing the display mechanism;

[0025] S33: starting the driving mechanism, and driving the measuring mechanism to apply a pulling force in a vertical direction to the comb plate through the driving mechanism, until the protection switch on the comb plate of the escalator is triggered;

[0026] S34: Read the data on the display mechanism and record it.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] The escalator comb plate trigger force detection device has a simple structure and can detect the trigger force of the escalator comb plate in the horizontal and vertical directions. It is easy to operate and only requires one person to complete the detection. It can not only test the effectiveness of the protection switch, but also measure and protect the force when the switch is triggered, thereby providing guidance for the maintenance and adjustment of the protection switch.

[0029] The detection method of the escalator comb plate trigger force detection device, through the cooperation of the display mechanism with the measuring mechanism and the escalator respectively, enables the display mechanism to accurately measure the pressure and tension applied to the comb plate when the protection switch is triggered through the protection switch, thereby reducing the detection error and improving the detection accuracy, so that the detection data of the detection device has a strong guiding significance. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of testing the trigger force of the comb plate of an escalator in the horizontal direction according to the present invention;

[0031] Figure 2 It is a schematic diagram of testing the vertical direction trigger force of the comb plate of an escalator according to the present invention;

[0032] Figure 3 A perspective view of the present invention;

[0033] Figure 4 A top view of the present invention without the display mechanism;

[0034] Figure 5 A three-dimensional diagram of the measurement framework proposed by the present invention;

[0035] Figure 6 A three-dimensional diagram of the driving mechanism proposed by the present invention;

[0036] Figure 7 A cross-sectional view of the driving mechanism proposed by the present invention;

[0037] Figure 8 A three-dimensional diagram of the fixing mechanism proposed by the present invention;

[0038] Fig. 9 A bottom view of the fixing mechanism proposed by the present invention;

[0039] Fig.10 It is a left side view of the fixing mechanism proposed by the present invention;

[0040] Fig.11 A three-dimensional diagram of the measuring mechanism proposed by the present invention;

[0041] Fig.12 A cross-sectional view of the measuring mechanism proposed by the present invention;

[0042] Fig.13 This is a circuit diagram of the display mechanism proposed by the present invention.

[0043] In the figure: 1. step; 2. comb plate; 3. measuring device; 31. measuring frame; 32. driving mechanism; 321. rocker; 322. rotating shaft; 323. first bevel gear; 324. fixing plate; 325. second bevel gear; 326. threaded sleeve; 327. threaded rod; 328. rolling bearing; 329. limiting rod; 33. fixing mechanism; 331. sliding block; 332. threaded column; 333. clamping spring; 334. clamping sheet; 335. clamping gap; 34. measuring mechanism; 341. tension and compression rod; 342. mechanical sensor; 343. limiting cover; 344. ball joint; 35. display mechanism; 4. measuring bracket. DETAILED DESCRIPTION

[0044] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0045] It should be noted that, in the description of the present invention, the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0046] Furthermore, it should be understood that for the sake of ease of description, the sizes of the various components shown in the drawings are not drawn according to actual proportions. For example, the thickness or width of certain layers may be exaggerated relative to other layers.

[0047] It should be noted that like reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined or described in one drawing, it will not require further detailed discussion and description in the description of the subsequent drawings.

[0048] like Figure 3 and Figure 4As shown, the present invention provides a technical solution: a comb plate trigger force detection device for an escalator, the device comprises a measuring frame 31, a driving mechanism 32, a measuring mechanism 34 and a display mechanism 35, wherein the driving mechanism 32 and the measuring mechanism 34 are both arranged on the measuring frame 31, the driving mechanism 32 can control the measuring mechanism 34 to perform stable reciprocating motion along a certain direction on the measuring frame 31, the measuring mechanism 34 can measure tension and pressure, the measuring frame 31 is provided with fixing mechanisms 33 on both sides parallel to the moving direction of the measuring mechanism 34, the fixing mechanisms 33 can clamp the step teeth on the step 1, so that the measuring frame 31 is fixed on the step 1, and the display mechanism 35 is displayed. The mechanism 35 is mainly used to be electrically connected with the measuring mechanism 34 and the escalator, wherein the main purpose of the electrical connection between the display mechanism 35 and the measuring mechanism 34 is to read and record the mechanical maximum value obtained in the measuring mechanism 34 in real time, and the purpose of the electrical connection between the display mechanism 35 and the escalator is to use the display mechanism 35 to receive the trigger signal from the protective switch on the escalator, and then record the real-time detected mechanical maximum value on the measuring mechanism 34 when the protective switch is triggered, thereby avoiding the previous method of reading data by visual inspection. Manual visual reading of data will not only lead to large test errors, but also make manual operation more difficult.

[0049] It should be noted that the driving mechanism 32 in the present invention can be of many types, as long as it can drive the measuring mechanism 34 to perform stable reciprocating motion along a certain direction on the measuring frame 31, such as Figure 6 Shown and Figure 7As shown, the embodiment of the present invention proposes a specific driving mechanism 32, which includes: a threaded sleeve 326, a threaded rod 327, a fixing plate 324 and a driving structure, wherein the inner wall of the threaded sleeve 326 is provided with an internal thread, and the outer wall of the threaded rod 327 is provided with an external thread, and the threaded sleeve 326 and the threaded rod 327 are threadedly connected by the internal thread and the external thread respectively. Therefore, we know that when the threaded rod 327 is limited so that the threaded rod 327 cannot rotate, by rotating the threaded sleeve 326 in the forward or reverse direction, since the threaded sleeve 326 and the threaded rod 327 are threadedly connected, the threaded rod 327 can reciprocate along its own axial direction under the drive of the threaded sleeve 326. From the above, we can know that the threaded rod 327 needs to be threaded. 7 is limited to prevent it from rotating during the working process, so we set a fixed fixing plate 324 on the measuring frame 31, and open a limiting groove on the fixing plate 324, and a limiting rod 329 is fixedly connected to the non-output end of the threaded rod 327, and the limiting rod 329 is inserted into the limiting groove, and the limiting rod 329 is in the shape of a rectangular strip, so the limiting rod 329 cannot rotate in the limiting groove, that is, it is ensured that the threaded rod 327 cannot rotate. It should be clear that the present invention does not limit the shape of the limiting rod 329 and the limiting groove, as long as it is ensured that the limiting rod 329 is inserted into the limiting groove and the limiting rod 329 cannot rotate in the limiting groove, that is, the limiting rod 329 can be in any prism shape, or other shapes except prism.

[0050] At the same time, the output end of the threaded rod 327 is used to drive the measuring mechanism 34. In order to fix the threaded sleeve 326 on the measuring frame 31, a rolling bearing 328 is sleeved on the outside of the threaded sleeve 326, and the rolling bearing 328 is fixed to the measuring frame 31, so that the threaded sleeve 326 can be positioned on the measuring frame 31 and can rotate freely through the rolling bearing 328. It should be noted that the rolling bearing 328 can be one or more. In this embodiment, a rolling bearing 328 is provided at each end of the threaded sleeve 326, so that the threaded sleeve 326 can be fixed to the measuring frame 31. 6 can be more stable during operation. At the same time, a driving structure capable of driving the threaded sleeve 326 is fixed on the measuring frame 31. It should be noted that there can be many types of driving structures, as long as they can drive the threaded sleeve 326 to rotate. This embodiment proposes a specific driving structure, which includes a first bevel gear 323 and a second bevel gear 325. The second bevel gear 325 is fixedly connected to one end of the threaded sleeve 326, and the second bevel gear 325 coincides with the axis of the threaded sleeve 326. The first bevel gear 323 and the second bevel gear 325 are connected to the threaded sleeve 326. The bevel gears 325 mesh with each other, and the first bevel gear 323 is also fixedly connected to a rotating shaft 322, and the axis center line of the rotating shaft 322 coincides with the axis center line of the first bevel gear 323. The rotating shaft 322 is also fixedly connected to a rocker 321, and the rocker 321 is used to drive the rotating shaft 322 to rotate. What we need to know here is that the rotating shaft 322 is rotatably connected to the measuring frame 31. When the threaded sleeve 326 needs to be driven to rotate by the driving structure, the rocker 321 is first rotated, and the rocker 321 drives the rotating shaft 322 to rotate, and then the rotating shaft 322 is rotated. The moving rotating shaft 322 can drive the first bevel gear 323 to rotate. Since the first bevel gear 323 and the second bevel gear 325 are meshed with each other, the first bevel gear 323 drives the second bevel gear 325 to rotate, and the second bevel gear 325 is fixed to the threaded sleeve 326, and the axial center lines of the second bevel gear 325 and the threaded sleeve 326 coincide with each other, so the second bevel gear 325 can drive the threaded sleeve 326 to rotate, and the further rotating threaded sleeve 326 drives the threaded rod 327 to move along its own axial direction.

[0051] It should be noted that, in this embodiment, the measuring device 3 is driven by manually shaking the joystick 321. In another embodiment, a motor can be used instead of the joystick 321. At the same time, the motor can be electrically connected to the display mechanism 35, and the maximum load of the mechanical sensor 342 can be controlled. When the mechanical sensor 342 exceeds the maximum load during the test, the motor is directly shut down through the display mechanism 35 to prevent the equipment from being overloaded and damaged.

[0052] like Fig.11 and Fig.12As shown, this embodiment proposes a specific measuring mechanism 34, which includes: a mechanical sensor 342. Because when detecting the triggering force of the escalator comb plate, it is necessary to detect not only the pressure in the horizontal direction but also the tension in the vertical direction. Therefore, the mechanical sensor 342 in this embodiment needs to be able to measure tension and pressure. Of course, if the mechanical sensor 342 is designed to be easy to replace, a sensor that can only measure pressure or tension can also be selected. When performing different measurements, the corresponding mechanical sensor 342 can be replaced. The first end of the mechanical sensor 342 needs to be fixed to the output end of the driving mechanism 32, and the second end of the mechanical sensor 342 is hinged with a tension rod 341, wherein the tension rod 341 The main function is to connect with the object to be tested during the test, and then transmit tension or pressure to the mechanical sensor 342. The mechanical sensor 342 has a certain shake margin through the hinged connection, which can effectively prevent the mechanical sensor 342 from having a large test stress before the test. In the present embodiment, the mechanical sensor 342 is hinged to the tension and compression rod 341 through the ball joint 344, and the tension and compression rod 341 is threadedly connected with a limiting cover 343. The limiting cover 343 is used to lock the ball joint 344 on the tension and compression rod 341 to prevent the ball joint 344 from detaching from the tension and compression rod 341 during the test pressure or tension. In the long-term high-intensity working process, the user can replace the ball joint 344 by disassembling the limiting cover 343.

[0053] like Fig.11 The pull and compression rod 341 in the present embodiment shown is a block structure, which not only needs to transmit pressure but also needs to transmit tension. In order to facilitate the pull and compression rod 341 to hook the comb plate 2, a hook is provided at the end away from the mechanical sensor 342. There can be multiple hooks, and the spacing between adjacent hooks is adapted to the thickness of the comb teeth on the comb plate 2, and the thickness of the hook is adapted to the spacing between adjacent comb teeth on the comb plate 2.

[0054] What we need to know is that the fixing mechanism 33 can slide freely on the measuring frame 31, and the angle between the sliding direction of the fixing mechanism 33 and the moving direction of the measuring mechanism 34 is 90°. The advantage of this design is that during the test, the step tooth spacing on different models of steps 1 is different, and the sliding fixing mechanism 33 makes it easy to clamp the step teeth on different models of steps 1, and has strong applicability. It is worthwhile to have a stable sliding connection with the measuring frame 31. Therefore, a plurality of sliders are respectively provided on the fixing mechanism 33 and the measuring mechanism 34; a slide groove corresponding to the plurality of sliders is opened on the measuring frame 31; the fixing mechanism 33 and the measuring mechanism 34 both form a stable sliding connection with the measuring frame 31 through the slider and slide groove structure.

[0055] like Figures 8 to 10As shown, this embodiment proposes a specific fixing mechanism 33, which includes: a sliding block 331, the sliding block 331 is slidably connected to the measuring frame 31, and at least one locking unit is installed on the sliding block 331, and the locking unit includes: a threaded column 332, a clamping spring 333 and a clamping piece 334; the clamping piece 334 is fixedly connected to the bottom of the sliding block 331, and the sliding block 331 is provided with an adjustment hole and a fixing hole, and the cross section of the clamping spring 333 is a U-shape with one side longer and the other side shorter. The U-shaped short side of the clamping spring piece 333 is inserted into the fixing hole, and the U-shaped long side of the clamping spring piece 333 is inserted into the adjusting hole. The U-shaped long side of the clamping spring piece 333 protrudes from the bottom of the sliding block 331, and the bottom of the U-shaped long side of the clamping spring piece 333 is flush with the bottom of the clamping piece 334. The threaded column 332 is threadedly connected to the sliding block 331, and the end of the threaded column 332 passes through the sliding block 331 and the U-shaped short side of the clamping spring piece 333 to the adjusting hole, and the U-shaped long side of the clamping spring piece 333 is aligned with the bottom of the clamping piece 334. The inner side of the edge forms a conflict, and a clamping gap 335 is formed between the part of the U-shaped long side of the clamping spring piece 333 protruding from the bottom of the sliding block 331 and the clamping piece 334, and the clamping spring piece 333 is elastic. When the threaded column 332 is rotated in the positive direction, the threaded column 332 moves toward the inside of the sliding block 331. Since the end of the threaded column 332 conflicts with the U-shaped long side of the clamping spring piece 333, the threaded column 332 pushes the U-shaped long side of the clamping spring piece 333 to move closer to the clamping piece 334, thereby making the clamping gap 335 The gap 335 is reduced. When the threaded column 332 is rotated in the opposite direction, the U-shaped long side of the clamping spring 333 is reset under the action of its own elastic force, thereby increasing the clamping gap 335. The fixing mechanism 33 can clamp the step teeth on the step 1 by adjusting the size of the clamping gap 335. Since the sliding direction of the sliding block 331 is perpendicular to the moving direction of the measuring mechanism 34, their movements will not interfere with each other, and the position of the measuring mechanism 34 can be fixed by the fixing mechanism 33.

[0056] It should be noted that, in another embodiment of the present invention, the fixing hole in the above-mentioned fixing mechanism 33 can be removed, and the clamping spring 333 can be directly welded to the sliding block 331. Since the clamping spring 333 is a consumable part that needs to be used for a long time, in the embodiment containing a fixing hole, the clamping spring 333 can be removed from the fixing hole by removing the threaded column 332, thereby facilitating the replacement of the clamping spring 333, reducing repair and maintenance costs, and saving repair time.

[0057] It should be noted that there can be any number of locking units as long as they can ensure that the step teeth on the step 1 are clamped tightly. In all the above embodiments, there are two locking units, and two locking units can ensure more stable locking.

[0058] Based on the above-mentioned escalator comb plate trigger force detection device, the present invention proposes a detection method of the detection device, and its specific measurement steps are as follows:

[0059] First, the display mechanism 35 in the measuring device 3 is electrically connected to the mechanical sensor 342 in the measuring mechanism 34 and the protection switch in the escalator through data lines and signal lines, so that the display mechanism 35 can record the test data on the mechanical sensor 342 in real time, and when the protection switch in the escalator is started, the display mechanism 35 can automatically record the mechanical data corresponding to the mechanical sensor 342 when the protection switch is started, and the display mechanism 35 also needs to have a zeroing function. When the mechanical sensor 342 has a certain initial force during the debugging process of the measuring device 3 or due to the gravity of the measuring device 3 itself, these initial forces can be cleared through the display mechanism 35.

[0060] It should be noted that we need to test not only the trigger force of the escalator comb plate in the horizontal direction, but also the trigger force of the escalator comb plate in the vertical direction. Figure 1 As shown in the figure, the steps for detecting the trigger force of the comb plate in the horizontal direction of the escalator are as follows:

[0061] S21: First, the measuring device 3 is placed at a suitable position on the step 1, and the fixing mechanism 33 on the measuring frame 31 is slidably adjusted so that the step teeth on the step 1 can just fall into the clamping gap 335 on the fixing mechanism 33, and the threaded column 332 is further rotated in the positive direction, so that the threaded column 332 pushes the clamping spring 333 to approach the clamping sheet 334, and the clamping gap 335 is reduced until the clamping spring 333 and the clamping sheet 334 can clamp the step teeth on the step 1, and then the measuring device 3 is fixed on the step 1 through the fixing mechanism 33;

[0062] S22: First, rotate the rocker 321, and the rocker 321 drives the rotating shaft 322 to rotate, and then the rotating rotating shaft 322 can drive the first bevel gear 323 to rotate. Since the first bevel gear 323 and the second bevel gear 325 are meshed with each other, the first bevel gear 323 drives the second bevel gear 325 to rotate, and the second bevel gear 325 is fixed to the threaded sleeve 326, and the axis center lines of the second bevel gear 325 and the threaded sleeve 326 coincide, so the second bevel gear 325 can drive the threaded sleeve 326 to rotate, and the further rotating threaded sleeve 326 drives the threaded rod 327 to move along its own axial direction, and the threaded rod 327 makes the tension and compression rod 341 in the measuring mechanism 34 contact with the comb plate 2, and the display mechanism 35 is further cleared;

[0063] S23: driving the threaded rod 327 according to step S22, so that the threaded rod 327 drives the tension and compression rod 341 to apply horizontal pressure to the comb plate 2, and then the tension and compression rod 341 can transmit the pressure to the mechanical sensor 342 until the protection switch on the escalator comb plate is triggered;

[0064] S24: The display mechanism 35 automatically records the pressure value on the mechanical sensor 342 when the protection switch is triggered, and the data on the display mechanism 35 is manually read and recorded.

[0065] Secondly, if Figure 2 As shown, when understanding the trigger force detection of the escalator comb plate in the vertical direction, it is necessary to first understand the auxiliary tool measurement bracket 4, which is a Z-shaped structure, such as Figure 2 As shown, the measuring bracket 4 includes: a hanging ear arranged at the top thereof, and a hanging column is arranged at the middle position of the fixing plate 324, and the hanging column is hung on the hanging ear to realize the inversion of the measuring device 3. Further, the trigger force detection steps of the escalator comb plate in the vertical direction are as follows:

[0066] S31: Hang the measuring device 3 upside down on the measuring support 4;

[0067] S32: As described in step S22, the measuring mechanism 34 is adjusted by the driving mechanism 32 so that the tension and compression rod 341 can hook the comb plate 2 through the gap between the pull hook and the comb teeth on the comb plate 2, and the display mechanism 35 is further cleared;

[0068] S33: Step on the measuring bracket 4 to stabilize it, and then drive the threaded rod 327 according to step S22, so that the threaded rod 327 drives the tension rod 341 to apply a vertical tension to the comb plate 2, and then the tension rod 341 can transmit the tension to the mechanical sensor 342 until the protection switch on the escalator comb plate is triggered;

[0069] S34: The display mechanism 35 automatically records the pressure value on the mechanical sensor 342 when the protection switch is triggered, and the data on the display mechanism 35 is manually read and recorded.

[0070] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An escalator comb plate trigger force detection device, characterized in that: It comprises a measuring frame (31), a driving mechanism (32) and a measuring mechanism (34); The driving mechanism (32) and the measuring mechanism (34) are respectively arranged on the measuring frame (31); The driving mechanism (32) is capable of controlling the measuring mechanism (34) to perform stable reciprocating motion along a certain direction on the measuring frame (31); The measuring mechanism (34) is capable of measuring tension and compression; The measuring mechanism (34) comprises: a mechanical sensor (342); The mechanical sensor (342) is capable of measuring tension and compression; The first end of the mechanical sensor (342) is fixed to the output end of the driving mechanism (32), and the second end of the mechanical sensor (342) is hingedly connected to a tension and compression rod (341); A hook is provided at one end of the tension and compression rod (341) away from the mechanical sensor (342); The measuring frame (31) is provided with fixing mechanisms (33) on both sides parallel to the moving direction of the measuring mechanism (34); The fixing mechanism (33) is capable of clamping the step teeth on the step (1), so that the measuring frame (31) is fixed on the step (1); The fixing mechanism (33) comprises: a sliding block (331); The sliding block (331) is slidably connected to the measuring frame (31); At least one locking unit is installed on the sliding block (331); The locking unit comprises: a threaded column (332), a clamping spring (333) and a clamping sheet (334); The clamping piece (334) is fixedly connected to the bottom of the sliding block (331); An adjustment hole is formed on the sliding block (331), the clamping spring piece (333) is fixed on the sliding block (331), and the clamping spring piece (333) extends along the adjustment hole and protrudes from the bottom of the sliding block (331); A clamping gap (335) is formed between the portion of the clamping spring sheet (333) protruding from the bottom of the sliding block (331) and the clamping sheet (334); The threaded column (332) is threadedly connected to the sliding block (331), and the end of the threaded column (332) penetrates into the adjustment hole and contacts the side surface of the clamping spring sheet (333); The size of the clamping gap (335) can be adjusted by screwing the threaded column (332).

2. The escalator comb plate trigger force detection device according to claim 1, characterized in that: The driving mechanism (32) comprises: a threaded sleeve (326), a threaded rod (327), a fixing plate (324) and a driving structure; The threaded sleeve (326) and the threaded rod (327) are threadedly connected; The outer portion of the threaded sleeve (326) is sleeved with a rolling bearing (328); The threaded rod (327) is used to drive the measuring mechanism (34); The non-output end of the threaded rod (327) is fixedly connected to a limiting rod (329), and a limiting groove is provided on the fixed plate (324), so that the threaded rod (327) can be prevented from rotating by the limiting rod (329) and the limiting groove; The fixed plate (324) and the rolling bearing (328) are both fixedly connected to the measuring frame (31); and the driving structure can drive the threaded sleeve (326) to rotate.

3. The escalator comb plate trigger force detection device according to claim 2, characterized in that: The driving structure comprises a first bevel gear (323) and a second bevel gear (325); The second bevel gear (325) is fixedly connected to one end of the threaded sleeve (326), and the axis lines of the second bevel gear (325) and the threaded sleeve (326) coincide with each other; The first bevel gear (323) and the second bevel gear (325) are meshed with each other; The first bevel gear (323) is also fixedly connected to a rotating shaft (322), and the axis center line of the rotating shaft (322) coincides with the axis center line of the first bevel gear (323); The rotating shaft (322) is also fixedly connected to a rocker (321), and the rocker (321) is used to drive the rotating shaft (322) to rotate.

4. The escalator comb plate trigger force detection device according to claim 1, characterized in that: The mechanical sensor (342) is hinged to the tension and compression rod (341) via a ball joint (344); The tension and compression rod (341) is threadedly connected to a limit cover (343), and the limit cover (343) is used to lock the ball joint (344) on the tension and compression rod (341) to prevent it from detaching.

5. The escalator comb plate trigger force detection device according to claim 1, characterized in that: The fixing mechanism (33) can slide freely on the measuring frame (31), and the angle between the sliding direction of the fixing mechanism (33) and the moving direction of the measuring mechanism (34) is 90°.

6. The escalator comb plate trigger force detection device according to claim 5, characterized in that: The fixing mechanism (33) and the measuring mechanism (34) are respectively provided with a plurality of slide blocks; The measuring frame (31) is provided with sliding grooves corresponding to the plurality of sliding blocks one by one; The fixing mechanism (33) and the measuring mechanism (34) are both in stable sliding connection with the measuring frame (31) via a slider and a sliding groove structure.

7. The escalator comb plate trigger force detection device according to claim 6, characterized in that: There are two locking units; The cross section of the clamping spring piece (333) is in a U-shape with one side longer and the other side shorter. A fixing hole is provided on the sliding block (331), wherein the short side of the U-shape of the clamping spring piece (333) is inserted into the fixing hole, and the long side of the U-shape of the clamping spring piece (333) is inserted into the adjusting hole. The threaded column (332) passes through the short side of the U-shape of the clamping spring piece (333) to fix the clamping spring piece (333) on the sliding block (331), and the end of the threaded column (332) is in conflict with the long side of the U-shape of the clamping spring piece (333).

8. An escalator comb plate trigger force detection device according to any one of claims 1 to 7, characterized in that: Also includes a display mechanism (35); The display mechanism (35) can be electrically connected to the measuring mechanism (34) and the escalator respectively.

9. A detection method using the escalator comb plate trigger force detection device according to any one of claims 1 to 8, characterized in that: The measurement steps are as follows: S1: First, the display mechanism (35) in the measuring device (3) is electrically connected to the measuring mechanism (34) and the escalator respectively; S2: using the measuring device (3) to detect the trigger force of the escalator comb plate in the horizontal direction; S3: Using the measuring device (3) to detect the triggering force of the escalator comb plate in the vertical direction.

10. The detection method of the escalator comb plate trigger force detection device according to claim 9, characterized in that: The steps of detecting the trigger force of the escalator comb plate in the horizontal direction in step S2 are as follows: S21: fixing the measuring device (3) on the step (1) by means of a fixing mechanism (33); S22: adjusting the measuring mechanism (34) through the driving mechanism (32) so that the measuring mechanism (34) is in contact with the comb plate (2), and further clearing the display mechanism (35); S23: starting the driving mechanism (32), and driving the measuring mechanism (34) to apply pressure in the horizontal direction to the comb plate (2) through the driving mechanism (32), until the protection switch on the comb plate of the escalator is triggered; S24: Read the data on the display mechanism (35) and record it; The steps of detecting the trigger force of the escalator comb plate in the vertical direction in step S3 are as follows: S31: Hanging the measuring device (3) upside down on the measuring support (4); S32: adjusting the measuring mechanism (34) through the driving mechanism (32) so that the measuring mechanism (34) can hook the comb plate (2), and further clearing the display mechanism (35); S33: starting the driving mechanism (32), and driving the measuring mechanism (34) to apply a pulling force in the vertical direction to the comb plate (2) through the driving mechanism (32), until the protection switch on the comb plate of the escalator is triggered; S34: Read the data on the display mechanism (35) and record it.

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