Grating measuring device for absolute position
By setting up grating measurement devices in the elevator shaft, including grating ruler, reader connection bracket and buffer spring, the problem of elevator position and speed measurement errors is solved, and the stability and safety of elevator operation are improved.
Patent Information
- Application Number
- CN202422390169.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-29
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-09-29
AI Technical Summary
During the operation of existing elevators, the holes of the steel ruler are easily blocked by impurities such as dust, resulting in errors in the measurement of the elevator's residence position and speed, which poses safety hazards.
A grating ruler is installed in the elevator shaft, and components such as spring buckles, reader connection brackets and buffer springs are used to realize that the grating reader slides with the elevator, accurately measure the position and speed of the elevator car, and provide protection with buffer springs.
It improves the stability and safety of elevator operation, avoids measurement errors caused by external factors, and ensures the reliable operation of elevators.
Smart Images
Figure CN223060432U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of elevator safe operation, in particular to a grating measuring device for absolute position. Background Technique
[0002] An elevator is used to transport people and goods in a building. During the operation of the elevator, the traction system drives the car and the counterweight to move up and down along the guide rails. During the operation, it is necessary to set the positions of leveling, deceleration, limit and other switches at the external interfaces of the sensors. The control system of the elevator completes the docking through these signals to control the operation of the elevator.
[0003] During the use of the existing elevator, the position and speed of the elevator stop are determined by the positions formed by the single-row holes on the internal steel tape. Since the holes on the steel tape are easily blocked by impurities such as dust, the elevator may not be able to read the position, resulting in errors in the position and speed of the elevator stop, and there are certain safety hazards.
[0004] Therefore, aiming at the problem that the holes on the steel tape are easily blocked by impurities such as dust, resulting in errors in the position and speed of the elevator stop and there are certain safety hazards, a grating measuring device for absolute position can be designed. By setting a grating scale penetrating from the top floor to the bottom floor inside the hoistway and reading the position as the elevator car moves, accurate measurement of the position and speed of the elevator car can be achieved, avoiding errors in the measurement of the position and speed of the elevator car caused by external factor interference, and ensuring the safe and reliable operation of the elevator. Content of the Utility Model
[0005] In order to overcome the problem that during the operation of the elevator, the position and speed of the elevator stop are determined by the positions formed by the single-row holes on the internal steel tape. Since the holes on the steel tape are easily blocked by impurities such as dust, the elevator may not be able to read the position, resulting in errors in the position and speed of the elevator stop, and there are certain safety hazards.
[0006] The technical solution of the utility model is as follows: An absolute position grating measuring device includes an elevator shaft, a guide rail assembly, an elevator assembly, a connection assembly, a connection hanging groove, a spring hanging buckle, a grating scale, a read head connection bracket, a read head bolt, a grating read head, a connection head, a connection clamping bracket, a clamping bolt, and a buffer spring. Inside the elevator shaft, there is a guide rail assembly. Outside the guide rail assembly, there is an elevator assembly. Outside the guide rail assembly, there is a connection assembly. On the side of the connection assembly, there is a connection hanging groove. Outside the connection hanging groove, there is a spring hanging buckle. Outside the spring hanging buckle, there is a grating scale. On the top surface of the elevator assembly, there is a read head connection bracket. On the top surface of the read head connection bracket, there is a read head bolt. On the side of the read head connection bracket, there is a grating read head. On the bottom surface of the grating scale, there is a connection head. Outside the connection head, there is a connection clamping bracket. On the side of the connection clamping bracket, there is a clamping bolt. On the bottom surface of the connection clamping bracket, there is a buffer spring.
[0007] Preferably, the guide rail assembly can limit the moving direction of the elevator. The elevator assembly can prevent the elevator from falling when a failure occurs, ensuring the safety of passengers. The connection assembly can be connected and fixed to the guide rail assembly, thereby providing support for the installation of the grating scale. The spring hanging buckle can connect and limit one end of the grating scale to the connection hanging groove. The read head bolt can fixedly connect the read head connection bracket to the elevator assembly, so that the grating read head can slide on the grating scale as the elevator runs. The clamping bolt can connect and fix the connection head to the connection clamping bracket. The buffer spring can provide buffering for the grating scale during the operation of the elevator, preventing the grating scale from being damaged.
[0008] Preferably, the guide rail assembly includes a guide rail base and a shaft steel rail. On the inner bottom surface of the elevator shaft, there is a guide rail base. On the inner top surface of the elevator shaft, there is a guide rail base. There are four groups of guide rail bases. On the side of the guide rail base, there is a shaft steel rail. There are two groups of shaft steel rails.
[0009] Preferably, the elevator assembly includes an elevator car and an electronic safety clamp. Inside the elevator shaft, there is an elevator car. On the side of the elevator car, there are two groups of electronic safety clamps. The electronic safety clamps are slidably connected to the shaft steel rails.
[0010] Preferably, the connection assembly includes an upper beam bracket, a lower beam bracket, a connection fixing plate, and a connection bolt. On the side of one end of the shaft steel rail, there is an upper beam bracket. On the side of the other end of the shaft steel rail, there is a lower beam bracket. On the side of the shaft steel rail, there are two groups of connection fixing plates. On the side of the connection fixing plate, there are two groups of connection bolts.
[0011] Preferably, on the side of the upper beam bracket, there are multiple connection hanging grooves. One end of the spring hanging buckle is snap-connected to the connection hanging groove, and the other end of the spring hanging buckle is snap-connected to one end of the grating scale.
[0012] Preferably, a reader connection bracket is provided on the top surface of the elevator car. There are two groups of reader bolts, which are threadedly connected to the top surface of the elevator car. The grating reader is fixedly connected to the side surface of the reader connection bracket, and the grating reader is slidably connected to the grating scale.
[0013] Preferably, the bottom surface of the connecting head grating scale is fixedly connected. There are two groups of clamping bolts, which are threadedly connected to the connecting head. One end of the buffer spring is arranged on the bottom surface of the clamping bracket, and the other end of the buffer spring is arranged on the top surface of the lower crossbeam bracket.
[0014] The beneficial effects of the present utility model:
[0015] 1. Pass the spring buckle through one end of the grating scale, and then snap the spring buckle with the connecting hanging groove opened on the upper crossbeam bracket, so as to install and fix one end of the grating scale with the upper crossbeam bracket. Use the clamping bolts to facilitate the threaded connection and fixation of the connecting head arranged on the bottom surface of the grating scale with the connecting clamping bracket, so as to install and connect the other end of the grating scale with the lower crossbeam bracket. Use the reader bolts to facilitate the threaded connection and fixation of the reader connection bracket with the top surface of the elevator car. During the operation of the elevator car, drive the grating reader to slide on the grating scale along with the operation of the elevator through the reader connection bracket, which is convenient for accurately measuring the position and speed of the elevator car, improving the stability and safety of the elevator operation. Use the elasticity of the buffer spring to provide buffering for the grating scale during the operation of the elevator, avoiding damage to the grating scale. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 Shown is a three-dimensional structural schematic diagram of a grating measuring device for absolute position of the present utility model;
[0017] Figure 2 Shown is a structural schematic diagram of a spring buckle of a grating measuring device for absolute position of the present utility model;
[0018] Figure 3 Shown is a structural schematic diagram of an elevator assembly of a grating measuring device for absolute position of the present utility model;
[0019] Figure 4 Shown is a three-dimensional structural schematic diagram of a buffer spring of a grating measuring device for absolute position of the present utility model;
[0020] Description of the reference numerals: 1, elevator shaft; 201, guide rail seat; 202, shaft steel rail; 301, elevator car; 302, electronic safety clamp; 401, upper crossbeam bracket; 402, lower crossbeam bracket; 403, connecting fixing plate; 404, connecting bolt; 51, connecting hanging groove; 52, spring hanging buckle; 53, grating ruler; 61, reading head connecting bracket; 62, reading head bolt; 63, grating reading head; 71, connecting head; 72, connecting clamping bracket; 73, clamping bolt; 74, buffer spring. Detailed implementation manners
[0021] The present utility model will be further described below in conjunction with the drawings and embodiments.
[0022] Please refer to Figures 1-4 , the present utility model provides an embodiment: a grating measuring device for absolute position, including an elevator shaft 1, a guide rail assembly, an elevator assembly, a connecting assembly, a connecting hanging groove 51, a spring hanging buckle 52, a grating ruler 53, a reading head connecting bracket 61, a reading head bolt 62, a grating reading head 63, a connecting head 71, a connecting clamping bracket 72, a clamping bolt 73 and a buffer spring 74; a guide rail assembly is arranged inside the elevator shaft 1, an elevator assembly is arranged outside the guide rail assembly, a connecting assembly is arranged outside the guide rail assembly, a connecting hanging groove 51 is formed on the side surface of the connecting assembly, a spring hanging buckle 52 is arranged outside the connecting hanging groove 51, a grating ruler 53 is arranged outside the spring hanging buckle 52, a reading head connecting bracket 61 is arranged on the top surface of the elevator assembly, a reading head bolt 62 is arranged on the top surface of the reading head connecting bracket 61, a grating reading head 63 is arranged on the side surface of the reading head connecting bracket 61, a connecting head 71 is arranged on the bottom surface of the grating ruler 53, a connecting clamping bracket 72 is arranged outside the connecting head 71, a clamping bolt 73 is arranged on the side surface of the connecting clamping bracket 72, a buffer spring 74 is arranged on the bottom surface of the connecting clamping bracket 72, the guide rail assembly can limit the moving direction of the elevator, the elevator assembly can prevent the elevator from falling when a failure occurs in the elevator to ensure the safety of passengers, the connecting assembly can be connected and fixed to the guide rail assembly, so as to provide support for the installation of the grating ruler 53, the spring hanging buckle 52 can connect and limit one end of the grating ruler 53 to the connecting hanging groove 51, the reading head bolt 62 can fixedly connect the reading head connecting bracket 61 to the elevator assembly, so that the grating reading head 63 can slide on the grating ruler 53 along with the operation of the elevator, the clamping bolt 73 can connect and fix the connecting head 71 to the connecting clamping bracket 72, and the buffer spring 74 can provide buffering for the grating ruler 53 during the operation of the elevator to prevent the grating ruler 53 from being damaged.
[0023] Please refer to Figures 1-4, in this embodiment, the guide rail assembly includes a guide rail base 201 and a hoistway rail 202; the inner bottom surface of the elevator hoistway 1 is provided with a guide rail base 201, the inner top surface of the elevator hoistway 1 is provided with a guide rail base 201, there are four groups of guide rail bases 201, the side surface of the guide rail base 201 is provided with a hoistway rail 202, and there are two groups of hoistway rails 202. The guide rail base 201 provides fixed support for the hoistway rail 202, and the movement direction of the elevator car 301 is restricted by the hoistway rail 202 to ensure the stability of the car during operation. The elevator assembly includes an elevator car 301 and an electronic safety clamp 302; the elevator car 301 is arranged inside the elevator hoistway 1, and the electronic safety clamp 302 is arranged on the side surface of the elevator car 301. There are two groups of electronic safety clamps 302, and the electronic safety clamp 302 is slidably connected to the hoistway rail 202. Passengers or goods are carried by the elevator car 301. When the elevator car 301 runs at an excessive speed or falls, the electronic safety clamp 302 is used to clamp the hoistway rail 202 to prevent the elevator car 301 from continuing to fall, thus ensuring the safety of passengers. The connection assembly includes an upper crossbeam bracket 401, a lower crossbeam bracket 402, a connection fixing plate 403 and a connection bolt 404; an upper crossbeam bracket 401 is arranged on the side surface of one end of the hoistway rail 202, a lower crossbeam bracket 402 is arranged on the side surface of the other end of the hoistway rail 202, a connection fixing plate 403 is arranged on the side surface of the hoistway rail 202, there are two groups of connection fixing plates 403, a connection bolt 404 is arranged on the side surface of the connection fixing plate 403, and there are two groups of connection bolts 404. The connection bolt 404 and the connection fixing plate 403 are used to connect and fix the upper crossbeam bracket 401 and the lower crossbeam bracket 402 to the hoistway rail 202, so as to facilitate the connection and installation of the grating scale 53.
[0024] Please refer to Figures 1-4, in this embodiment, connection hanging grooves 51 are formed on the side surface of the upper crossbeam bracket 401, and multiple groups of connection hanging grooves 51 are provided. One end of the spring hanging buckle 52 is snap-connected to the connection hanging groove 51, and the other end of the spring hanging buckle 52 is snap-connected to one end of the grating scale 53. By passing the spring hanging buckle 52 through one end of the grating scale 53 and then snap-connecting the spring hanging buckle 52 to the connection hanging groove 51 formed on the upper crossbeam bracket 401, one end of the grating scale 53 is installed and fixed to the upper crossbeam bracket 401. A read head connection bracket 61 is provided on the top surface of the elevator car 301. Two groups of read head bolts 62 are provided, and the read head bolts 62 are threadedly connected to the top surface of the elevator car 301. The grating read head 63 is fixedly connected to the side surface of the read head connection bracket 61, and the grating read head 63 is slidably connected to the grating scale 53. The read head bolts 62 are used to facilitate the threaded connection and fixation of the read head connection bracket 61 to the top surface of the elevator car 301. During the operation of the elevator car 301, the grating read head 63 is driven by the read head connection bracket 61 to slide on the grating scale 53 as the elevator operates, which is convenient for accurately measuring the position and speed of the elevator car 301, improving the stability and safety of the elevator operation. A connection head 71 is fixedly connected to the bottom surface of the grating scale 53. Two groups of clamping bolts 73 are provided, and the clamping bolts 73 are threadedly connected to the connection head 71. One end of the buffer spring 74 is arranged on the bottom surface of the connection clamping bracket 72, and the other end of the buffer spring 74 is arranged on the top surface of the lower crossbeam bracket 402. The clamping bolts 73 are used to facilitate the threaded connection and fixation of the connection head 71 arranged on the bottom surface of the grating scale 53 to the connection clamping bracket 72, thereby installing and connecting the other end of the grating scale 53 to the lower crossbeam bracket 402. The elastic force of the buffer spring 74 is used to provide buffering for the grating scale 53 during the operation of the elevator, avoiding damage to the grating scale 53.
[0025] When working, the guide rail seat 201 provides fixed support for the hoistway rail 202, and the movement direction of the elevator car 301 is restricted by the hoistway rail 202 to ensure the stability of the car during operation;
[0026] The elevator car 301 transports passengers or goods. When the elevator car 301 runs at an excessive speed or falls, the electronic safety clamp 302 is used to clamp the hoistway rail 202 to prevent the elevator car 301 from continuing to fall, thus ensuring the safety of passengers;
[0027] The connecting bolts 404 and the connecting fixing plate 403 are used to facilitate the connection and fixation of the upper crossbeam bracket 401 and the lower crossbeam bracket 402 to the hoistway rail 202, thereby facilitating the connection and installation of the grating scale 53;
[0028] One end of the grating scale 53 is installed and fixed to the upper crossbeam bracket 401 by passing the spring buckle 52 through one end of the grating scale 53 and then snap-connecting the spring buckle 52 with the connecting hanging groove 51 formed on the upper crossbeam bracket 401. The connecting head 71 provided on the bottom surface of the grating scale 53 is threadedly connected and fixed to the connecting clamping bracket 72 by using the clamping bolt 73, so as to install and connect the other end of the grating scale 53 to the lower crossbeam bracket 402.
[0029] The reading head connecting bracket 61 is threadedly connected and fixed to the top surface of the elevator car 301 by using the reading head bolt 62. During the operation of the elevator car 301, the grating reading head 63 is driven by the reading head connecting bracket 61 to slide on the grating scale 53 along with the operation of the elevator, which is convenient for accurately measuring the position and speed of the elevator car 301, improving the stability and safety of the elevator operation. The elastic force of the buffer spring 74 is used to provide buffering for the grating scale 53 during the operation of the elevator, avoiding damage to the grating scale 53.
[0030] Through the above steps, the moving direction of the elevator is restricted by the guide rail assembly, and the elevator component prevents the elevator from falling when a fault occurs in the elevator to ensure the safety of passengers. The connecting component is connected and fixed to the guide rail assembly to provide support for the installation of the grating scale 53. The spring buckle 52 is used to connect and limit one end of the grating scale 53 to the connecting hanging groove 51. The reading head connecting bracket 61 is fixedly connected to the elevator component by the reading head bolt 62, so that the grating reading head 63 slides on the grating scale 53 along with the operation of the elevator. The connecting head 71 is connected and fixed to the connecting clamping bracket 72 by the clamping bolt 73. The buffer spring 74 provides buffering for the grating scale 53 during the operation of the elevator, avoiding damage to the grating scale 53.
[0031] The above has described in detail the embodiments of the present invention in conjunction with the accompanying drawings. However, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the scope of knowledge possessed by those skilled in the art.
Claims
1. An absolute position grating measuring device, comprising an elevator shaft (1); characterized in that: It also includes a guide rail assembly, an elevator assembly, a connection assembly, a connection hanging groove (51), a spring hanging buckle (52), a grating scale (53), a read head connection bracket (61), a read head bolt (62), a grating read head (63), a connection head (71), a connection clamping bracket (72), a clamping bolt (73) and a buffer spring (74); a guide rail assembly is arranged inside the elevator hoistway (1), an elevator assembly is arranged outside the guide rail assembly, a connection assembly is arranged outside the guide rail assembly, a connection hanging groove (51) is formed on the side surface of the connection assembly, a spring hanging buckle (52) is arranged outside the connection hanging groove (51), a grating scale (53) is arranged outside the spring hanging buckle (52), a read head connection bracket (61) is arranged on the top surface of the elevator assembly, a read head bolt (62) is arranged on the top surface of the read head connection bracket (61), a grating read head (63) is arranged on the side surface of the read head connection bracket (61), a connection head (71) is arranged on the bottom surface of the grating scale (53), a connection clamping bracket (72) is arranged outside the connection head (71), a clamping bolt (73) is arranged on the side surface of the connection clamping bracket (72), and a buffer spring (74) is arranged on the bottom surface of the connection clamping bracket (72).
2. The grating measurement device for absolute position according to claim 1, characterized in that: The guide rail assembly includes a guide rail seat (201) and a hoistway steel rail (202); a guide rail seat (201) is arranged on the inner bottom surface of the elevator hoistway (1), a guide rail seat (201) is arranged on the inner top surface of the elevator hoistway (1), there are four groups of guide rail seats (201), a hoistway steel rail (202) is arranged on the side surface of the guide rail seat (201), and there are two groups of hoistway steel rails (202).
3. The grating measuring device for absolute position according to claim 2, characterized in that: The elevator assembly includes an elevator car (301) and an electronic safety clamp (302); an elevator car (301) is arranged inside the elevator hoistway (1), an electronic safety clamp (302) is arranged on the side surface of the elevator car (301), there are two groups of electronic safety clamps (302), and the electronic safety clamp (302) is slidably connected to the hoistway steel rail (202).
4. The grating measuring device for absolute position according to claim 2, wherein: The connection assembly includes an upper crossbeam bracket (401), a lower crossbeam bracket (402), a connection fixing plate (403) and a connection bolt (404); an upper crossbeam bracket (401) is arranged on the side surface of one end of the hoistway steel rail (202), a lower crossbeam bracket (402) is arranged on the side surface of the other end of the hoistway steel rail (202), a connection fixing plate (403) is arranged on the side surface of the hoistway steel rail (202), there are two groups of connection fixing plates (403), a connection bolt (404) is arranged on the side surface of the connection fixing plate (403), and there are two groups of connection bolts (404).
5. An absolute position grating measurement device according to claim 4, characterized in that: A connection hanging groove (51) is formed on the side surface of the upper crossbeam bracket (401), there are multiple groups of connection hanging grooves (51), one end of the spring hanging buckle (52) is snap-connected to the connection hanging groove (51), and the other end of the spring hanging buckle (52) is snap-connected to one end of the grating scale (53).
6. The grating measurement device for absolute position according to claim 3, wherein: The top surface of the elevator car (301) is provided with a reader connection bracket (61). There are two sets of reader bolts (62), and the reader bolts (62) are threadedly connected to the top surface of the elevator car (301). The grating reader (63) is fixedly connected to the side surface of the reader connection bracket (61), and the grating reader (63) is slidably connected to the grating scale (53).
7. An absolute position grating measuring device according to claim 4, characterized in that: The bottom surface of the connector (71) is fixedly connected to the grating scale (53). There are two sets of clamping bolts (73), and the clamping bolts (73) are threadedly connected to the connector (71). One end of the buffer spring (74) is arranged on the bottom surface of the connection clamping frame (72), and the other end of the buffer spring (74) is arranged on the top surface of the lower crossbeam bracket (402).