Measuring device for top space of elevator

Abstract

The utility model belongs to the field of measurement, particularly relates to an elevator top space measuring device, and aims to solve the problems that an existing laser range finder needs to be held by a hand to measure the distance during use and an existing device cannot well follow an elevator car to move and measure, the following scheme is provided: the elevator top space measuring device comprises a limiting base, a measuring and calculating base is fixedly installed on one side of the limiting base, a clamping buckle is rotatably installed on one side of the measuring and calculating base, a laser range finder is installed on the inner side of the clamping buckle in a clamped mode, a containing groove is formed in the limiting base, and a sliding metal block is installed on the inner wall of one side of the containing groove in a sliding mode. Two rack grooves are formed in the bottom of the limiting base. According to the utility model, working personnel can record and calculate conveniently, the stability of the laser range finder during measurement is ensured, the laser range finder can move along with the elevator car, and the space at the top of the elevator shaft can be measured and calculated more effectively.

Description

Technical Field

[0001] The utility model relates to the technical field of measurement, in particular to a device for measuring the top space of an elevator. Background Art

[0002] Elevators are special equipment that require regular inspections and tests. Inspectors need to do a lot of data measurement and calculation processing during the inspection process. The most complicated part is the inspection and calculation of the hoistway space at the top of the elevator. There are many measurement points and the recording and calculation are complicated.

[0003] The existing measurement method is mostly to use a laser rangefinder to measure the distance and then calculate it. However, most of the existing devices have the following shortcomings: the existing laser rangefinder needs to be manually held for distance measurement when in use, and when measuring the top space of the elevator shaft, in some cases, it is necessary to measure the distance between the elevator and the top of the elevator shaft after it runs to the top floor. The existing device cannot follow the elevator car well for mobile measurement. Utility Model Content

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A device for measuring the space at the top of an elevator comprises a limit base, a measuring base is fixedly installed on one side of the limit base, a clamping buckle is rotatably installed on one side of the measuring base, a motor slot is provided on one side of the measuring base, and a laser rangefinder is clamped and installed on the inner side of the clamping buckle; an accommodating slot is provided inside the limit base, a sliding metal block is slidably installed on the inner wall of one side of the accommodating slot, a plurality of through holes are provided on the outer side of the sliding metal block, rotating metal blocks are rotatably installed in the through holes on the upper and lower sides of the sliding metal block, a connecting slot is provided on one side of the two rotating metal blocks, an upper connecting bracket and a lower connecting bracket are fixedly installed in the two connecting slots respectively, and a clamping clip is fixedly installed on the side where the upper connecting bracket and the lower connecting bracket are away from each other; two rack slots are provided at the bottom of the limit base, and a clamping spur rack is slidably installed on the inner sides of the two rack slots.

[0006] Specifically, a driven gear is rotatably mounted on an inner wall of one side of the motor slot, a clamping buckle is fixedly mounted on one side of the driven gear, a driving gear is meshed on one side of the driven gear, and one side of the driving gear is rotatably mounted on an inner wall of one side of the motor slot.

[0007] Specifically, an adjusting servo motor is fixedly installed on the inner wall of one side of the motor slot, the output shaft of the adjusting servo motor is connected to the driving gear, a remote control module is fixedly installed on the top of the measuring base, and the laser rangefinder and the adjusting servo motor are both connected to the same remote control module circuit, so as to facilitate control through the remote control module.

[0008] Specifically, a fixed metal block is fixedly installed on the inner wall of one side of the accommodating groove, and rotation grooves are opened on both sides of the fixed metal block. Rotating columns are fixedly installed on the inner wall of one side of the two rotating grooves, and two clamping clips are rotatably mounted on the corresponding rotating columns, which helps the two clamping clips to clamp the main steel cable.

[0009] Specifically, a fixed column is fixedly installed on one side of the fixed metal block, a reset spring is sleeved on the outer side of the fixed column, one end of the reset spring is connected to the sliding metal block, the sliding metal block is slidably sleeved on the fixed column, a limiting hole is provided on one side of the limiting base, a pushing column is slidably installed in the limiting hole, two limiting metal blocks are fixedly installed on the outer side of the pushing column, and one side of the pushing column is rotatably installed on one side of the sliding metal block, so as to facilitate the movement of the sliding metal block by the pushing column.

[0010] Specifically, a positioning metal block is fixedly installed on one side of the two clamping clips that are close to each other, and a sliding sleeve and a sliding rod are rotatably installed on the inner sides of the two positioning metal blocks. The sliding rod is slidably installed in the sliding sleeve, and an auxiliary clamp is fixedly installed on one side of the fixed metal block. A buffer spacer is fixedly installed on one side of the two clamping clips and the auxiliary clamp. A movable hole is opened on one side of the auxiliary clamp, and the sliding sleeve slides in the movable hole, which helps to ensure that the rotation angles of the two clamping clips do not differ too much.

[0011] Specifically, a plurality of rack reset springs are fixedly installed on the tops of the two clamping spur racks, one ends of the plurality of rack reset springs are connected to the inner wall of one side of the corresponding rack groove, fixed grooves are provided on both sides of the limiting base, and fixed clamps are rotatably installed on the inner wall of one side of the two fixed grooves, and a plurality of straight tooth grooves are provided on one side of the two fixed clamps, and the plurality of straight tooth grooves are adapted to the corresponding clamping spur racks, and the corresponding fixed clamps can be driven to be flipped by the two clamping spur racks.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The utility model provides an elevator top space measurement device that can clamp a laser rangefinder on the frame of the elevator car through an additional mechanism, eliminating the need for workers to hold the laser rangefinder for measurement. This facilitates workers to record and calculate, and also helps to ensure the stability of the laser rangefinder during measurement and prevent data deviation.

[0014] (2) The utility model provides an elevator top space measuring device that can, through a set mechanism, enable a laser rangefinder to move with the elevator car, thereby measuring the distance between the elevator car and the top of the elevator shaft when the elevator car is at different floors, and can more effectively measure the space at the top of the elevator shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional structural schematic diagram of an elevator top space measuring device proposed by the utility model;

[0016] Figure 2 This is a cross-sectional schematic diagram of the three-dimensional structure of an elevator top space measuring device proposed by the utility model;

[0017] Figure 3 This is a cross-sectional schematic diagram of the main structure of an elevator top space measuring device proposed by the utility model;

[0018] Figure 4 This is a cross-sectional schematic diagram of a side view structure of an elevator top space measuring device proposed by the utility model;

[0019] Figure 5 The utility model is a three-dimensional structural schematic diagram of a clamping mechanism of an elevator top space measuring device.

[0020] In the figure: 1. Limit base; 2. Measuring base; 3. Clamping buckle; 4. Driven gear; 5. Driving gear; 6. Adjusting servo motor; 7. Remote control module; 8. Laser rangefinder; 9. Sliding metal block; 10. Rotating metal block; 11. Upper connecting bracket; 12. Lower connecting bracket; 13. Clamping clip; 14. Buffer spacer; 15. Push column; 16. Limiting metal block; 17. Fixed column; 18. Reset spring; 19. Fixed metal block; 20. Auxiliary clip; 21. Positioning metal block; 22. Sliding sleeve; 23. Sliding rod; 24. Fixed clip; 25. Clamping spur rack; 26. Rack reset spring; 27. Rotating column. DETAILED DESCRIPTION

[0021] Reference Figure 1-5 A device for measuring the space at the top of an elevator comprises a limit base 1, a measuring base 2 is fixedly installed on one side of the limit base 1, a clamping buckle 3 is rotatably installed on one side of the measuring base 2, a motor slot is provided on one side of the measuring base 2, and a laser rangefinder 8 is clamped and installed on the inner side of the clamping buckle 3; a receiving slot is provided inside the limit base 1, a sliding metal block 9 is slidably installed on the inner wall of one side of the receiving slot, a plurality of through holes are provided on the outer side of the sliding metal block 9, and rotating metal blocks 10 are rotatably installed in the through holes on the upper and lower sides of the sliding metal block 9, and a connecting slot is provided on one side of the two rotating metal blocks 10, an upper connecting bracket 11 and a lower connecting bracket 12 are fixedly installed in the two connecting slots, and a clamping clip 13 is fixedly installed on the side away from the upper connecting bracket 11 and the lower connecting bracket 12; two rack slots are provided at the bottom of the limit base 1, and a clamping spur rack 25 is slidably installed on the inner side of the two rack slots.

[0022] In this embodiment, a driven gear 4 is rotatably mounted on the inner wall of one side of the motor slot, a clamping buckle 3 is fixedly mounted on one side of the driven gear 4, a driving gear 5 is meshed with one side of the driven gear 4, and one side of the driving gear 5 is rotatably mounted on the inner wall of one side of the motor slot.

[0023] In this embodiment, an adjusting servo motor 6 is fixedly installed on the inner wall of one side of the motor slot, the output shaft of the adjusting servo motor 6 is connected to the driving gear 5, a remote control module 7 is fixedly installed on the top of the measuring base 2, and the laser rangefinder 8 and the adjusting servo motor 6 are both connected to the same remote control module 7 circuit, which is convenient for control through the remote control module 7.

[0024] In this embodiment, a fixed metal block 19 is fixedly installed on the inner wall of one side of the accommodating groove, and rotation grooves are opened on both sides of the fixed metal block 19. Rotation columns 27 are fixedly installed on the inner wall of one side of the two rotation grooves, and the two clamping clips 13 are rotatably mounted on the corresponding rotation columns 27, which helps the two clamping clips 13 to clamp the main steel cable.

[0025] In this embodiment, a fixed column 17 is fixedly installed on one side of the fixed metal block 19, and a reset spring 18 is sleeved on the outer side of the fixed column 17. One end of the reset spring 18 is connected to the sliding metal block 9. The sliding metal block 9 is slidably sleeved on the fixed column 17. A limiting hole is opened on one side of the limiting base 1, and a pushing column 15 is slidably installed in the limiting hole. Two limiting metal blocks 16 are fixedly installed on the outer side of the pushing column 15. One side of the pushing column 15 is rotatably installed on one side of the sliding metal block 9, so that the sliding metal block 9 can be driven to move by the pushing column 15.

[0026] In this embodiment, a positioning metal block 21 is fixedly installed on one side of the two clamping clips 13 that are close to each other, and a sliding sleeve 22 and a sliding rod 23 are rotatably installed on the inner sides of the two positioning metal blocks 21 respectively. The sliding rod 23 is slidably installed in the sliding sleeve 22, and an auxiliary clamp 20 is fixedly installed on one side of the fixed metal block 19. A buffer spacer is fixedly installed on one side of the two clamping clips 13 and the auxiliary clamp 20. A movable hole is opened on one side of the auxiliary clamp 20, and the sliding sleeve 22 slides in the movable hole, which helps to ensure that the rotation angles of the two clamping clips 13 will not differ too much.

[0027] In this embodiment, a plurality of rack return springs 26 are fixedly installed on the top of the two clamping spur racks 25, and one end of the plurality of rack return springs 26 is connected to the inner wall of one side of the corresponding rack groove. Fixed grooves are provided on both sides of the limiting base 1, and fixed clamps 24 are rotatably installed on the inner wall of one side of the two fixed grooves. A plurality of straight tooth grooves are provided on one side of the two fixed clamps 24, and the plurality of straight tooth grooves are adapted to the corresponding clamping spur racks 25, and the corresponding fixed clamps 24 can be driven to flip by the two clamping spur racks 25.

[0028] Working principle: When the staff conducts maintenance and measurement, the limit base 1 is placed on the elevator car frame, the limit base 1 is pressed down, and the two clamping spur racks 25 slidably installed at the bottom slide inward, and the fixed clamps 24 are rotatably installed on both sides of the limit base 1. A plurality of spur tooth grooves are provided on one side of the two fixed clamps 24, and the spur tooth grooves provided on one side of the two fixed clamps 24 are adapted to the corresponding clamping spur racks 25. Therefore, the sliding of the two clamping spur racks 25 drives the corresponding fixed clamps 24 to rotate, clamping the same elevator car frame, and then the staff The operator adjusts the position of the limit base 1 so that the elevator main steel cable is located between the two clamping clips 13, and then moves the push column 15. The movement of the push column 15 drives the sliding metal block 9 to move. The movement of the two sliding metal blocks 9 drives the two rotating metal blocks 10 to rotate. The rotation of the two rotating metal blocks 10 drives the upper connecting bracket 11 and the lower connecting bracket 12 to deviate respectively. The upper connecting bracket 11 and the lower connecting bracket 12 deviate and drive the corresponding clamping clips 13 to rotate. A fixed metal block 19 is fixedly installed on the inner side of the limit base 1, and rotating metal blocks 19 are provided on both sides. The two rotating grooves are fixed with rotating columns 27, and one side of the two clamping clips 13 is rotatably sleeved on the corresponding rotating columns 27, so that the two clamping clips 13 rotate around the corresponding rotating columns 27, and the two clamping clips 13 approach each other to clamp the same elevator main steel cable. At the same time, an auxiliary clamp 20 is fixedly installed on one side of the fixed metal block 19, and the auxiliary clamp 20 assists the two clamping clips 13 to clamp the same main steel cable. Then the staff rotates the pushing column 15, and two limiting metal blocks 1 are fixedly installed on one side of the pushing column 15. 6. The two limiting metal blocks 16 move to the specified position due to the rotation of the push column 15, so that the push column 15 is fixed to prevent the push column 15 from loosening during the measurement. Then the staff starts the elevator. After the elevator reaches the specified floor, the remote control module 7 is started by remote control. The remote control module 7 starts to drive the adjustment servo motor 6 to start. The adjustment servo motor 6 starts to drive the driving gear 5 to rotate. The driving gear 5 rotates to drive the driven gear 4 to rotate. After the driven gear 4 rotates to drive the clamping buckle 3 to rotate to the specified angle, the laser rangefinder 8 is started by the remote control module 7 for measurement.

[0029] The technical progress achieved by the present invention compared with the prior art is that the device no longer requires the staff to hold the laser rangefinder 8 for measurement, which frees the staff's hands and helps to improve the accuracy and stability of the data. It can also measure the space at the top of the elevator shaft when the elevator car is on different floors, providing more data for the staff, and effectively improving the safety and accuracy of maintenance measurements.

Claims

1. An elevator top space measuring device, characterized in that: include: A limit base (1), a measuring base (2) is fixedly mounted on one side of the limit base (1), a clamping buckle (3) is rotatably mounted on one side of the measuring base (2), a motor slot is provided on one side of the measuring base (2), and a laser rangefinder (8) is clamped and mounted on the inner side of the clamping buckle (3); The limiting base (1) is provided with a receiving groove inside, a sliding metal block (9) is slidably mounted on an inner wall of one side of the receiving groove, a plurality of through holes are provided on the outer side of the sliding metal block (9), rotating metal blocks (10) are rotatably mounted in the through holes on the upper and lower sides of the sliding metal block (9), a connecting groove is provided on one side of the two rotating metal blocks (10), an upper connecting bracket (11) and a lower connecting bracket (12) are fixedly mounted in the two connecting grooves respectively, and a clamping clip (13) is fixedly mounted on the side of the upper connecting bracket (11) and the lower connecting bracket (12) away from each other; The bottom of the position limiting base (1) is provided with two rack grooves, and a clamping spur rack (25) is slidably mounted on the inner sides of the two rack grooves.

2. The elevator top space measuring device according to claim 1, characterized in that: A driven gear (4) is rotatably mounted on an inner wall of one side of the motor slot, a clamping buckle (3) is fixedly mounted on one side of the driven gear (4), a driving gear (5) is meshed on one side of the driven gear (4), and one side of the driving gear (5) is rotatably mounted on an inner wall of one side of the motor slot.

3. The elevator top space measuring device according to claim 2, characterized in that: An adjusting servo motor (6) is fixedly mounted on an inner wall of one side of the motor slot, an output shaft of the adjusting servo motor (6) is connected to a driving gear (5), a remote control module (7) is fixedly mounted on the top of the measuring base (2), and the laser rangefinder (8) and the adjusting servo motor (6) are both connected to the same remote control module (7) circuit.

4. The elevator top space measuring device according to claim 1, characterized in that: A fixed metal block (19) is fixedly mounted on the inner wall of one side of the receiving groove, rotation grooves are provided on both sides of the fixed metal block (19), rotation columns (27) are fixedly mounted on the inner walls of one side of the two rotation grooves, and the two clamping clips (13) are rotatably sleeved on the corresponding rotation columns (27).

5. The elevator top space measuring device according to claim 4, characterized in that: A fixed column (17) is fixedly installed on one side of the fixed metal block (19), and a reset spring (18) is sleeved on the outer side of the fixed column (17). One end of the reset spring (18) is connected to the sliding metal block (9). The sliding metal block (9) is slidably sleeved on the fixed column (17). A limiting hole is provided on one side of the limiting base (1), and a pushing column (15) is slidably installed in the limiting hole. Two limiting metal blocks (16) are fixedly installed on the outer side of the pushing column (15), and one side of the pushing column (15) is rotatably installed on one side of the sliding metal block (9).

6. The elevator top space measuring device according to claim 5, characterized in that: A positioning metal block (21) is fixedly installed on one side of the two clamping clips (13) close to each other, and a sliding sleeve (22) and a sliding rod (23) are rotatably installed on the inner sides of the two positioning metal blocks (21), and the sliding rod (23) is slidably installed in the sliding sleeve (22). An auxiliary clamp (20) is fixedly installed on one side of the fixed metal block (19), and a buffer spacer (14) is fixedly installed on one side of the two clamping clips (13) and the auxiliary clamp (20), and a movable hole is opened on one side of the auxiliary clamp (20), and the sliding sleeve (22) slides in the movable hole.

7. The elevator top space measuring device according to claim 1, characterized in that: A plurality of rack return springs (26) are fixedly mounted on the tops of the two clamping spur racks (25), one end of each of the plurality of rack return springs (26) is connected to an inner wall of one side of a corresponding rack groove, both sides of the limiting base (1) are provided with fixed grooves, a fixed clamp (24) is rotatably mounted on an inner wall of one side of the two fixed grooves, a plurality of straight tooth grooves are provided on one side of the two fixed clamps (24), and the plurality of straight tooth grooves are adapted to the corresponding clamping spur racks (25).

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