Speed measuring device for elevator detection

Abstract

The utility model relates to the technical field of elevator detection, in particular to a speed measuring device for elevator detection, which comprises a detection frame main body, two groups of sliding columns are arranged at one end of the top of the detection frame main body, sliding grooves are formed in the inner sides of the sliding columns, and movable columns are slidably connected to the inner sides of the sliding grooves. The top ends of the two movable columns are connected with an elevator speed measuring motor in a clamped mode through a splicing mechanism, the splicing mechanism comprises a connecting assembly, a limiting torsion assembly and a protection assembly, the connecting assembly is used for connecting the elevator speed measuring motor to the movable columns in a locked mode, and the limiting torsion assembly is used for releasing fixation of the position of the elevator speed measuring motor. The protection assembly is used for covering and sealing the limiting torsion assembly; the device is simple in structure and convenient to operate, the elevator speed measuring motor can be rapidly disassembled and assembled by workers for maintenance or replacement, the disassembly and assembly operation can be rapidly carried out by pressing and twisting, and the practicability of the device is further improved.

Description

Technical Field

[0001] This utility model relates to the field of elevator testing technology, specifically to a speed measuring device for elevator testing. Background Technology

[0002] Elevators are being used more and more widely in our lives, and their safety is increasingly being emphasized by elevator designers and manufacturers. The detection and monitoring of the elevator car's running speed is one of the most important aspects of elevator safety monitoring. Existing elevator speed measuring devices are easily affected by the elevator's verticality and daily running trajectory, making the speed measuring wheel inaccurate. At the same time, the fixed seat of the speed measuring device does not have an adjustment effect, and long-term wear will cause the speed measuring position to change, making the speed measurement unstable.

[0003] To address the aforementioned technical problems, Chinese Patent No. CN211444607U discloses a speed measuring device for elevator detection, comprising a mounting plate, an adjusting block slidably mounted on the top of the mounting plate, an elevator speed measuring motor disposed on the left side of the top of the adjusting block, and a first screw threadedly connected to the adjusting block being movably mounted inside the mounting plate.

[0004] While the aforementioned existing technical solution has the advantages of facilitating the adjustment of the speed measuring position and improving the stability of the speed measuring, both sides of the elevator speed measuring motor are fixedly connected to one end of two sets of limit plates, making it difficult for staff to quickly disassemble it to repair faulty parts or replace the elevator speed measuring motor, thus affecting the practicality of the device. Utility Model Content

[0005] The purpose of this utility model is to provide a speed measuring device for elevator testing, in order to solve the problem mentioned in the background art that the elevator speed measuring motor is fixedly connected to one end of two sets of limit plates on both sides, making it difficult for workers to quickly disassemble it to repair or replace the faulty parts, thus affecting the practicality of the device.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A speed measuring device for elevator inspection includes a detection frame body. Two sets of sliding columns are arranged and installed at the top end of the detection frame body. A sliding groove is opened on the inner side of the sliding column, and a movable column is slidably connected to the inner side of the sliding groove. An elevator speed measuring motor is snapped onto the top of the two sets of movable columns through a splicing mechanism. The splicing mechanism includes a connecting component, a limiting torsion component, and a protective component. The connecting component is used to lock the elevator speed measuring motor onto the movable column. The limiting torsion component is used to release the fixation of the elevator speed measuring motor position. The protective component is used to cover and seal the limiting torsion component.

[0008] As a preferred embodiment of this utility model, the connecting component includes a rubber pad embedded in the top of the movable column, one end of the rubber pad having a docking groove extending into the interior of the movable column, the bottom of the elevator speed measuring motor having a docking block slidably connected to the docking groove, a locking groove being formed inside the movable column on one side of the docking groove, a movable rod being rotatably connected to the inner wall of the locking groove, and a pressing plate being sleeved on the outer side of the movable rod.

[0009] As a preferred embodiment of this utility model, the opposite ends of the extrusion plate and the mating block are provided with mutually fitting inclined surfaces, and a stretching groove is provided on one side of the extrusion plate. A first spring is installed between the inner wall of the stretching groove and the inner wall of the engagement groove.

[0010] As a preferred embodiment of this utility model, a retraction groove is formed inside the extrusion plate at its inclined surface, a rotating rod is rotatably connected to the inside of the retraction groove, a retraction plate is sleeved on the outside of the rotating rod, a guide surface that fits against the inclined surface is formed on one side of the retraction plate, a torsion spring is installed between the rotating rod and the inner wall of the retraction groove, and a slot is formed inside the docking block at its inclined surface.

[0011] As a preferred embodiment of this utility model, the limiting torsion assembly includes a limiting groove opened inside the movable column on one side of the engagement groove, a limiting block slidably connected to the limiting groove is installed at one end of the extrusion plate, an extension groove is opened inside the movable column on one side of the engagement groove, and a torsion plate is installed at one end of the movable rod extending to the inside of the extension groove.

[0012] As a preferred embodiment of this utility model, the protective component includes a sliding groove formed on the outer wall of the movable column on one side of the extension groove. The inner side of the extension groove communicates with the inner side of the sliding groove. A sliding plate is slidably connected to the inner side of the sliding groove. Synchronization grooves are formed on both sides of the inner wall of the sliding groove. Synchronization blocks that are slidably connected to the synchronization grooves are installed at both ends of the sliding plate. A first fixing member is embedded at one end of the sliding plate, and a second fixing member corresponding to the first fixing member is embedded in the inner wall of the sliding groove.

[0013] In a preferred embodiment of this utility model, one of the first fixing member and the second fixing member is a first magnet, and the other of the first fixing member and the second fixing member is a second magnet. The magnetic poles of the first magnet and the second magnet are opposite and attract each other.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] In this invention, the elevator speed measuring motor is locked to the movable column by the connecting component, the limiting torsion component releases the fixation of the elevator speed measuring motor position, and the protective component covers and seals the limiting torsion component. The structure is simple and easy to operate, which makes it convenient for staff to quickly disassemble and install the elevator speed measuring motor for maintenance or replacement. The disassembly and assembly operations can be quickly carried out by pressing and twisting, which further improves the practicality of the device. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a partial three-dimensional structural diagram of the movable column of this utility model;

[0018] Figure 3 This is a partial cross-sectional view of the connection between the movable column and the elevator speed measuring motor of this utility model.

[0019] In the diagram: 1. Detection frame body; 2. Sliding column; 3. Movable column; 4. Elevator speed measuring motor; 5. First fixing component; 6. Rubber pad; 7. Connecting block; 8. Movable rod; 9. Extrusion plate; 10. First spring; 11. Retraction plate; 12. Torsion spring; 13. Limiting block; 14. Torsion plate; 15. Sliding plate; 16. Synchronous groove. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0021] Example:

[0022] Please see Figures 1-3 This utility model provides a technical solution:

[0023] A speed measuring device for elevator inspection includes a testing frame body 1. Two sets of sliding columns 2 are arranged and installed at the top end of the testing frame body 1. Sliding grooves are opened on the inner side of the sliding columns 2, and movable columns 3 are slidably connected to the inner side of the sliding grooves. The top ends of the two sets of movable columns 3 are engaged with elevator speed measuring motors 4 through a splicing mechanism. The splicing mechanism includes a connecting component, a limiting torsion component, and a protective component. The connecting component is used to lock the elevator speed measuring motor 4 onto the movable columns 3. The limiting torsion component is used to release the fixation of the elevator speed measuring motor 4. The protective component is used to cover and seal the limiting torsion component. In use, the elevator speed measuring motor 4 can be locked onto the movable columns 3 through the connecting component, the limiting torsion component can release the fixation of the elevator speed measuring motor 4, and the protective component can cover and seal the limiting torsion component. The device has a simple structure and is easy to operate, which facilitates the quick disassembly and assembly of the elevator speed measuring motor 4 for maintenance or replacement by the staff. The disassembly and assembly operations can be quickly performed by pressing and twisting, which further improves the practicality of the device.

[0024] In this embodiment, as Figure 1 , Figure 2 and Figure 3 As shown, the connecting assembly includes a rubber pad 6 embedded in the top of the movable column 3. One end of the rubber pad 6 has a docking groove extending into the interior of the movable column 3. The bottom of the elevator speed measuring motor 4 is equipped with a docking block 7 that is slidably connected to the docking groove. The interior of the movable column 3 has a locking groove on one side of the docking groove. The inner wall of the locking groove is rotatably connected to a movable rod 8. A pressing plate 9 is sleeved on the outer side of the movable rod 8. First, the elevator speed measuring motor 4 and the movable column 3 are brought together so that the docking block 7 enters the inner side of the docking groove and contacts the pressing plate 9. After the inclined surfaces on the two come into contact, the pressing plate 9 and the movable rod 8 are forced to rotate around the center.

[0025] In this embodiment, as Figure 1 , Figure 2 and Figure 3As shown, both the extrusion plate 9 and the mating block 7 have mutually fitting inclined surfaces at their opposite ends. A stretching groove is formed on one side of the extrusion plate 9. A first spring 10 is installed between the inner wall of the stretching groove and the inner wall of the locking groove. A retraction groove is formed inside the extrusion plate 9 at its inclined surface. A rotating rod is rotatably connected to the inner side of the retraction groove. A retraction plate 11 is sleeved on the outer side of the rotating rod. A guide surface that fits against the inclined surface is formed on one side of the retraction plate 11. A torsion spring 12 is installed between the rotating rod and the inner wall of the retraction groove. A locking groove is formed inside the mating block 7 at its inclined surface. Then, the first spring 10 is stretched, and the rubber pad 6 also... The plate is compressed until the docking block 7 contacts the retraction plate 11. The inclined surface then fits against the guide surface, forcing the rotating rod to rotate inside the retraction groove. After the torsion spring 12 is compressed and retracted, the retraction plate 11 also retracts to the inside of the retraction groove. After the slot on the docking block 7 is pushed to the retraction groove, the resistance disappears and the torsion spring 12 drives the retraction plate 11 to reset. The retraction plate 11 pops out to the inside of the slot. At this time, the elevator speed measuring motor 4 can be released. The rubber pad 6 rebounds a little, driving the docking block 7 to retract. After the slot moves, its inner wall abuts against one side of the retraction plate 11, completing the quick locking of the elevator speed measuring motor 4.

[0026] In this embodiment, as Figure 1 , Figure 2 and Figure 3 As shown, the limiting torsion assembly includes a limiting groove located inside the movable column 3 on one side of the engaging groove. One end of the extrusion plate 9 is equipped with a limiting block 13 that is slidably connected to the limiting groove. An extension groove is provided inside the movable column 3 on one side of the engaging groove. A torsion plate 14 is installed at one end of the movable rod 8 that extends into the extension groove. Furthermore, when maintenance or replacement is required, the sliding plate 15 can be opened again. Then, the torsion plate 14 is twisted to drive the movable rod 8 to rotate. At the same time, the limiting block 13 and the limiting groove can drive the extrusion plate 9 to rotate smoothly around the center of the movable rod 8 for a certain distance, pulling the retracting plate 11 out from the inside of the engaging groove. At this time, the rubber pad 6 fully rebounds, driving the docking block 7 and the engaging groove on it away from the position of the retracting groove. At this time, the torsion plate 14 will not be locked again when it is released. Then the elevator speed measuring motor 4 can be removed.

[0027] In this embodiment, as Figure 1 , Figure 2 and Figure 3As shown, the protective component includes a sliding groove on the outer wall of the movable column 3 located on one side of the extension groove. The inner side of the extension groove is connected to the inner side of the sliding groove. A sliding plate 15 is slidably connected to the inner side of the sliding groove. Synchronization grooves 16 are provided on both sides of the inner wall of the sliding groove. Synchronization blocks that are slidably connected to the synchronization grooves 16 are installed at both ends of the sliding plate 15. A first fixing member 5 is embedded at one end of the sliding plate 15. A second fixing member corresponding to the first fixing member 5 is embedded in the inner wall of the sliding groove. One of the first fixing member 5 and the second fixing member is a first magnet, and the other of the first fixing member 5 and the second fixing member is a second magnet. The magnetic poles of the first magnet and the second magnet are opposite and attract each other. Furthermore, after locking, the two sets of latching grooves can be fastened together with the synchronization grooves 16 and the synchronization blocks to drive the sliding plate 15 close to the inner wall of the sliding groove, so that the first fixing member 5 and the second fixing member are adsorbed and positioned, thereby covering the torsion plate 14 and preventing personnel from accidentally touching it after assembly and causing the component connection to loosen.

[0028] The implementation principle of a speed measuring device for elevator detection in this application embodiment is as follows: the elevator speed measuring motor 4 and the movable column 3 are attached together, so that the docking block 7 enters the docking groove and contacts the extrusion plate 9. After the inclined surfaces on the two contacts, the extrusion plate 9 and the movable rod 8 are forced to rotate around the center. The first spring 10 is stretched, and the rubber pad 6 is also compressed. Until the docking block 7 contacts the retraction plate 11, the inclined surface will be attached to the guide surface, forcing the rotating rod to rotate inside the retraction groove. After the torsion spring 12 is squeezed and retracted, the retraction plate 11 also retracts to the inside of the retraction groove. After the slot on the docking block 7 is pushed to the retraction groove, the resistance disappears and the torsion spring 12 drives the retraction plate 11 to reset. The retraction plate 11 pops out to the inside of the slot. At this time, the elevator speed measuring motor 4 can be released. The rubber pad 6 rebounds a small section, driving the docking block 7 to retract. After the slot moves, its inner wall abuts against one side of the retraction plate 11, completing the quick locking of the elevator speed measuring motor 4.

[0029] After locking, the two sets of latching grooves can be engaged with the synchronous groove 16 and synchronous block to drive the sliding plate 15 close to the inner wall of the sliding groove, allowing the first fixing part 5 and the second fixing part to be adsorbed and positioned. Then, the torsion plate 14 is covered to prevent personnel from accidentally touching the parts after assembly and causing the parts to loosen. When maintenance or replacement is required, the sliding plate 15 can be opened again. Then, the torsion plate 14 is twisted to drive the movable rod 8 to rotate. At the same time, with the limit block 13 and the limit groove, the extrusion plate 9 can be driven to rotate smoothly around the center of the movable rod 8 for a distance, pulling the retraction plate 11 out from the inside of the slot. At this time, the rubber pad 6 fully rebounds, driving the docking block 7 and the slot opened on it away from the position of the retraction slot. At this time, the torsion plate 14 will not be locked again when it is released. Then, the elevator speed measuring motor 4 can be removed. This equipment has a simple structure and is easy to operate, which makes it easy for staff to quickly disassemble and install the elevator speed measuring motor for maintenance or replacement. Pressing and twisting can quickly carry out disassembly and assembly operations, further improving the practicality of the device.

[0030] The control method of this utility model is through a controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art. The power supply is also common knowledge in the field. Since this utility model is used to protect mechanical devices, the control method and circuit connection will not be explained in detail.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A speed measuring device for elevator inspection, comprising a detection frame body (1), characterized in that: Two sets of sliding columns (2) are arranged and installed at one end of the top of the main body (1) of the detection frame. A sliding groove is provided on the inner side of the sliding column (2). A movable column (3) is slidably connected to the inner side of the sliding groove. An elevator speed measuring motor (4) is snapped onto the top of the two sets of movable columns (3) through a splicing mechanism. The splicing mechanism includes a connecting component, a limiting torsion component and a protective component. The connecting component is used to lock the elevator speed measuring motor (4) onto the movable column (3). The limiting torsion component is used to release the fixation of the position of the elevator speed measuring motor (4). The protective component is used to cover and seal the limiting torsion component.

2. The speed measuring device for elevator detection according to claim 1, characterized in that: The connecting assembly includes a rubber pad (6) embedded in the top of the movable column (3), one end of the rubber pad (6) having a docking groove extending into the interior of the movable column (3), the bottom of the elevator speed measuring motor (4) having a docking block (7) slidably connected to the docking groove, the interior of the movable column (3) having a locking groove on one side of the docking groove, the inner wall of the locking groove being rotatably connected to a movable rod (8), and the outer side of the movable rod (8) being fitted with a pressing plate (9).

3. The speed measuring device for elevator detection according to claim 2, characterized in that: The extrusion plate (9) and the mating block (7) are provided with mutually fitting inclined surfaces at their opposite ends. A stretching groove is provided on one side of the extrusion plate (9). A first spring (10) is installed between the inner wall of the stretching groove and the inner wall of the engagement groove.

4. A speed measuring device for elevator detection according to claim 3, characterized in that: The extrusion plate (9) has a retraction groove on its inclined surface. A rotating rod is rotatably connected to the inside of the retraction groove. A retraction plate (11) is sleeved on the outside of the rotating rod. A guide surface that fits against the inclined surface is opened on one side of the retraction plate (11). A torsion spring (12) is installed between the rotating rod and the inner wall of the retraction groove. A slot is opened on the inclined surface of the docking block (7).

5. A speed measuring device for elevator detection according to claim 2, characterized in that: The limiting torsion assembly includes a limiting groove opened inside the movable column (3) on one side of the engagement groove, a limiting block (13) slidably connected to the limiting groove is installed at one end of the extrusion plate (9), an extension groove is opened inside the movable column (3) on one side of the engagement groove, and a torsion plate (14) is installed at one end of the movable rod (8) extending to the inside of the extension groove.

6. A speed measuring device for elevator detection according to claim 1, characterized in that: The protective component includes a sliding groove on the outer wall of the movable column (3) located on one side of the extension groove. The inner side of the extension groove is connected to the inner side of the sliding groove. A sliding plate (15) is slidably connected to the inner side of the sliding groove. Synchronization grooves (16) are provided on both sides of the inner wall of the sliding groove. Synchronization blocks that are slidably connected to the synchronization grooves (16) are installed at both ends of the sliding plate (15). A first fixing member (5) is embedded at one end of the sliding plate (15). A second fixing member corresponding to the first fixing member (5) is embedded in the inner wall of the sliding groove.

7. A speed measuring device for elevator detection according to claim 6, characterized in that: One of the first fixing member (5) and the second fixing member is a first magnet, and the other of the first fixing member (5) and the second fixing member is a second magnet. The magnetic poles of the first magnet and the second magnet are opposite and attract each other.

Images