CN218909498U

CN218909498U - Elevator overspeed governor testing arrangement

Info

Publication number: CN218909498U
Application number: CN202223258620.4U
Authority: CN
Inventors: 任育柱; 翟树声; 孟祥石; 张朝康
Original assignee: Tianjin Dongfang Lida Elevator Parts Co ltd
Current assignee: Tianjin Dongfang Lida Elevator Parts Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-04-25
Anticipated expiration: 2032-12-06

Abstract

The utility model belongs to the field of elevator component detection, and particularly relates to an elevator speed limiter testing device which comprises a base, wherein a movable bearing mechanism is fixedly arranged above the base, and a detection mechanism is fixedly arranged above the movable bearing mechanism. Through setting up the comprehensive utilization of concave supporting bench, protruding type mobile station, rope sheave, speed sensor and the first trigger sensor among removal loading mechanism and the detection mechanism, can realize the location of elevator overspeed governor, wire rope unreel and pulling wire rope detects the overspeed governor, can ensure that the testing result is accurate, replaces professional equipment completely, and this device structure is succinct, cost and use cost are cheap, and the sexual valence relative altitude is favorable to reducing total manufacturing cost. Under the condition of mechanical triggering speed and electrical appliance triggering speed under the real condition, the rope sheave emergency braking condition is detected and recorded through the first triggering sensor, and the speed limiter is simple in structure, convenient to install, convenient to detect the speed limiter at any time, and capable of improving the detection effect.

Description

Elevator overspeed governor testing arrangement

Technical Field

The utility model belongs to the field of elevator component detection, and particularly relates to an elevator speed limiter testing device.

Background

An elevator speed limiter is one of safety control components in an elevator safety protection system. When the elevator is in overspeed or even in falling danger due to whatever reason during operation, and all other safety protection devices are not in action, the speed limiter and the safety tongs perform linkage action to stop the elevator car, the elevator speed limiter tester is a portable field testing instrument which is developed according to the common requirement of elevator industry safety detection, and is currently widely applied to special equipment inspection mechanisms of quality technology supervision departments at all levels, elevator whole machines and accessory factories and elevator installation maintenance companies, so that the elevator safety testing instrument has a prominent effect on improving the operation safety of the elevator in China.

Through retrieving, chinese patent application No. CN 202220826318.5's chinese utility model patent application discloses a novel elevator overspeed governor testing arrangement, including the instrument box, the instrument box is inside to be seted up and to put the thing groove, put thing inslot portion and placed speed sensor and driving motor, driving motor output fixedly connected with drive wheel, driving motor is equipped with auxiliary support subassembly, auxiliary support subassembly comprises the fixed plate, the fixed plate bottom passes through the clamp joint on overspeed governor curb plate outer wall, the screw has been seted up to fixed plate side outer wall, the fixed plate passes the screw through the butterfly screw to be fixed, the fixed plate top is connected with the rotor plate through the pivot rotation, the jack has been seted up to the rotor plate outer wall, and jack and driving motor looks adaptation design, through clamp mouth and butterfly screw, can be fixed in on the overspeed governor curb plate with the fixed plate, the jack is fixed to driving motor on the rethread rotor plate, the handle is held down to the one hand when the test can make the drive wheel rotatory closely laminating overspeed governor gyro wheel along the pivot.

For the above related art, the device is provided with a single-hand holding handle to press down for testing, so that the safety and accuracy of detection cannot be ensured, and the actual test cannot be performed according to the on-site situation, which results in invalid test, so that it is highly desirable to design an elevator speed limiter testing device to deal with these problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model discloses an elevator speed limiter testing device.

The utility model realizes the above purpose through the following technical scheme:

the elevator speed limiter testing device comprises a base, wherein a movable bearing mechanism is fixedly arranged above the base, and a detection mechanism is fixedly arranged above the movable bearing mechanism.

The detection mechanism comprises a second ball screw support frame fixedly arranged above the movable bearing mechanism, a second ball screw is rotationally connected to the second ball screw support frame, one end of the second ball screw is fixedly connected to a power output end of a second motor, a second ball screw nut table is movably connected to the outer surface of the second ball screw, a rope wheel supporting lower vertical plate is fixedly arranged on the front side and the rear side of the second ball screw nut table, a rope wheel supporting upper vertical plate is fixedly arranged above the rope wheel supporting lower vertical plate, a rope wheel supporting shaft is arranged between the rope wheel supporting lower vertical plate and the rope wheel supporting upper vertical plate, a rope wheel is fixedly connected to the outer surface of the rope wheel supporting shaft, a balancing weight is fixedly arranged on the inner side of the rope wheel, a wire rope unreeling wheel is arranged on one side of a base, a first trigger sensor is arranged below the rope wheel, the front side of the rope wheel is provided with a speed sensor, the front side of the rope wheel supporting lower vertical plate is fixedly arranged on the front side of the rope wheel supporting lower vertical plate, a second rope wheel supporting vertical plate is arranged on the rear side of the rope wheel supporting lower vertical plate, a second rope wheel supporting vertical plate is fixedly arranged on the second side of the rope wheel supporting vertical plate, a second servo motor is fixedly arranged on the second side of the second servo motor, a movable servo pulley is fixedly arranged on the second servo pulley, a first main pulley is fixedly arranged on the second servo pulley, and a movable servo pulley is fixedly arranged between the second main pulley and a movable servo pulley is arranged on one end, and a movable pulley.

Preferably, the movable bearing mechanism comprises a bearing table fixedly arranged above the base, two groups of concave supporting tables are longitudinally arranged above the bearing table, a convex movable table is arranged on the inner side of each concave supporting table, a power telescopic end of a first hydraulic cylinder is fixedly arranged on the front side of each convex movable table, a first ball screw support frame is arranged above each convex movable table, a first ball screw is rotatably connected with the first ball screw support frame, one end of the first ball screw is fixedly connected with a power output end of a first motor, and a first ball screw nut table is movably connected with the outer surface of the first ball screw.

Preferably, the second ball screw support frame is connected with the second ball screw through a bearing, and the second ball screw is connected with the second motor through a coupler.

Preferably, the rope pulley supporting shaft is welded with the rope pulley, and the rope pulley is connected with the balancing weight through a connecting rod.

Preferably, the servo main belt wheel is connected with the servo motor through a coupling, and the third motor is connected with the feedback wheel through a coupling.

Preferably, the convex moving platform is welded with the first hydraulic cylinder, and the bearing platform is welded with the concave supporting platform.

Preferably, the first ball screw support frame is connected with the first ball screw through a bearing, the first ball screw is connected with the first motor through a coupler, and the first ball screw is connected with the first ball screw nut table through threads.

The beneficial effects are that:

the utility model discloses an elevator speed limiter testing device, which can realize the positioning of an elevator speed limiter, the unreeling of a steel wire rope and the detection of the speed limiter by pulling the steel wire rope through the comprehensive utilization of a concave supporting table, a convex moving table, a rope pulley, a speed sensor and a first trigger sensor in a movable bearing mechanism and a detection mechanism, can ensure the accurate detection result, completely replace professional equipment, has simple structure, low manufacturing cost and use cost, and higher cost performance, and is beneficial to reducing the total production cost. Under the mechanical trigger speed and the electrical apparatus trigger speed under the real condition to under the rope sheave emergency braking condition, detect the record through first trigger sensor, simple structure, simple to operate are convenient for at any time to the detection of overspeed governor, have made things convenient for the detection greatly, have improved the detection effect simultaneously.

Drawings

FIG. 1 is a schematic illustration of an isometric shaft configuration of the present utility model;

FIG. 2 is a schematic elevational view of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

FIG. 4 is a first schematic structural view of the present utility model;

FIG. 5 is a second schematic structural view of the present utility model;

fig. 6 is a partial schematic view at a in fig. 5.

In the figure: 1. a base;

2. a movable bearing mechanism; 201. a carrying platform; 202. a concave supporting table; 203. a convex mobile station; 204. a first hydraulic cylinder; 205. a first ball screw support frame; 206. a first ball screw; 207. a first motor; 208. a first ball screw nut table;

3. a detection mechanism; 301. a second ball screw support frame; 302. a second ball screw; 303. a second motor; 304. a second ball screw nut table; 305. the rope wheel supports the lower vertical plate; 306. the rope wheel supports the upper vertical plate; 307. a sheave support shaft; 308. a rope pulley; 309. balancing weight; 310. a wire rope unreeling wheel; 311. a first trigger sensor; 312. a speed sensor; 313. a second hydraulic cylinder; 314. a second hydraulic telescoping rod; 315. a support plate; 316. a third motor; 317. a feedback wheel; 318. a passive slave pulley; 319. a conveyor belt; 320. a servo main belt wheel; 321. a servo motor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-6, one embodiment provided by the present utility model is: the utility model provides an elevator overspeed governor testing arrangement, includes base 1, and base 1 top is fixed to be provided with and removes and bear mechanism 2, and it is fixed to be provided with detection mechanism 3 to remove and bear mechanism 2 top.

In this embodiment: the movable bearing mechanism 2 comprises a bearing table 201 fixedly arranged above the base 1, two groups of concave supporting tables 202 are longitudinally arranged above the bearing table 201, a convex moving table 203 is arranged on the inner side of the concave supporting tables 202, the front side of the convex moving table 203 is fixedly arranged at the power telescopic end of a first hydraulic cylinder 204, a first ball screw supporting frame 205 is arranged above the convex moving table 203, a first ball screw 206 is rotatably connected with the first ball screw supporting frame 205, one end of the first ball screw 206 is fixedly connected with the power output end of a first motor 207, and a first ball screw nut table 208 is movably connected with the outer surface of the first ball screw 206. The convex moving table 203 is welded to the first hydraulic cylinder 204, and the carrier table 201 is welded to the concave support table 202. The first ball screw support 205 is connected to the first ball screw 206 through a bearing, the first ball screw 206 is connected to the first motor 207 through a coupling, and the first ball screw 206 is connected to the first ball screw nut stage 208 through a screw. The first hydraulic cylinder 204 is used for driving the convex moving table 203 to longitudinally move in the concave supporting table 202, and the convex moving table 203 is used for carrying the rope pulley 308 in the detection mechanism 3 to move.

In this embodiment: the detection mechanism 3 comprises a second ball screw supporting frame 301 fixedly arranged above the movable bearing mechanism 2, a second ball screw 302 is rotatably connected with the second ball screw supporting frame 301, one end of the second ball screw 302 is fixedly connected with the power output end of a second motor 303, the outer surface of the second ball screw 302 is movably connected with a second ball screw nut table 304, a rope pulley supporting lower vertical plate 305 is fixedly arranged on the front side and the rear side above the second ball screw nut table 304, a rope pulley supporting upper vertical plate 306 is fixedly arranged above the rope pulley supporting lower vertical plate 305, a rope pulley supporting shaft 307 is arranged between the rope pulley supporting lower vertical plate 305 and the rope pulley supporting upper vertical plate 306, the outer surface of the rope pulley supporting shaft 307 is fixedly connected with a rope pulley 308, a balancing weight 309 is fixedly arranged on the inner side of the rope pulley 308, a steel wire rope unreeling wheel 310 is arranged on one side above the base 1, the pulley 308 below is provided with first trigger sensor 311, and fixed the setting is in second ball screw nut platform 304 top, pulley 308 front end one side is provided with speed sensor 312, and set up in the pulley support lower riser 305 front side, pulley 308 rear side is provided with second pneumatic cylinder 313, the power expansion end swing joint of second pneumatic cylinder 313 has second hydraulic telescoping rod 314, the fixed supporting plate 315 that is provided with in second hydraulic telescoping rod 314 top, supporting plate 315 top is provided with third motor 316, third motor 316 power take off end is provided with feedback wheel 317, pulley 308 one side is provided with passive slave pulley 318, passive slave pulley 318 top is provided with servo master pulley 320, be provided with the conveyer belt 319 between passive slave pulley 318 and the servo master pulley 320, servo master pulley 320 one end is fixed the power take off end of setting at servo motor 321. The second ball screw support 301 is connected to the second ball screw 302 through a bearing, and the second ball screw 302 is connected to the second motor 303 through a coupling. The sheave support shaft 307 is welded to the sheave 308, and the sheave 308 is connected to the counterweight 309 via a connecting rod. The servo main belt wheel 320 is connected with a servo motor 321 through a coupling, and the third motor 316 is connected with a feedback wheel 317 through a coupling. The second ball screw 302 drives the second ball screw nut table 304 to move, the second ball screw nut table 304 drives the sheave 308 and the first trigger sensor 311 to move horizontally with the speed sensor 312, and the feedback wheel 317 is used for feeding back the speed of the sheave 308 to the first trigger sensor 311.

Working principle: when the device is used, firstly, the rope pulley 308 is detected, the steel wire on the outer surface of the steel wire rope unreeling wheel 310 is wound on the outer surface of the rope pulley 308, the motor on the front side of the rope pulley supporting shaft 307 is started, when the rope pulley 308 rotates and the rotating speed is gradually increased, due to the action of the balancing weight 309 and the contact installed on one side, a signal is fed back to the feedback wheel 317 after touching the first trigger sensor 311, the feedback wheel 317 gives the rotating speed to the control console, after the specified times are repeated, the control console records the rotating speed change curve, the evaluation results of the loss life and the stability of the rope pulley 308 can be obtained, if the steel wire rope is not loaded, the third motor 316 can be started to drive the feedback wheel 317, and no-load experiment is carried out on the rope pulley 308 independently. During operation, the height and the distance of the feedback wheel 317 to the rope wheel 308 can be adjusted according to the size of the rope wheel 308, the first hydraulic cylinder 204 is started to drive the convex moving table 203 to drive the detection mechanism 3 to move forwards and backwards, and when the detection mechanism is moved to a proper position, the second motor 303 in the detection mechanism 3 is started to rotate through the second ball screw 302 to drive the second ball screw nut table 304 and drive the rope wheel 308 to move horizontally, the servo motor 321 is started to drive the servo main belt wheel 320 to rotate through the conveying belt 319 to drive the driven slave belt wheel 318 to rotate, the rope wheel 308 is enabled to contact the conveying belt 319, and meanwhile the rotation direction of the conveying belt 319 is opposite to that of the rope wheel 308, so that whether accurate emergency braking can be carried out is judged.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. An elevator overspeed governor testing arrangement, its characterized in that: the device comprises a base (1), wherein a movable bearing mechanism (2) is fixedly arranged above the base (1), and a detection mechanism (3) is fixedly arranged above the movable bearing mechanism (2);

the detection mechanism (3) comprises a second ball screw supporting frame (301) fixedly arranged above the movable bearing mechanism (2), a second ball screw (302) is rotatably connected between the second ball screw supporting frame (301), one end of the second ball screw (302) is fixedly connected with a power output end of a second motor (303), a second ball screw nut table (304) is movably connected to the outer surface of the second ball screw (302), a rope pulley supporting lower vertical plate (305) is fixedly arranged on the front side and the rear side above the second ball screw nut table (304), a rope pulley supporting upper vertical plate (306) is fixedly arranged above the rope pulley supporting lower vertical plate (305), a rope pulley supporting shaft (307) is arranged between the rope pulley supporting lower vertical plate (305) and the rope pulley supporting upper vertical plate (306), a rope pulley (308) is fixedly connected to the outer surface of the rope pulley supporting shaft (307), a balancing weight (309) is fixedly arranged on the inner side of the rope pulley (308), a steel wire rope unreeling wheel (310) is arranged on one side above the base (1), a first rope pulley (308) is triggered by a first rope pulley sensor (311), a speed sensor (312) is fixedly arranged on one side of the rope pulley supporting vertical plate (308), and a speed sensor (312) is fixedly arranged on one side of the front side of the rope sensor (308), the utility model discloses a power transmission device for a motor vehicle, including rope sheave (308), power telescopic end, servo main band pulley (318), servo main band pulley (320), rope sheave (308) rear side is provided with second pneumatic cylinder (313), the power telescopic end swing joint of second pneumatic cylinder (313) has second hydraulic telescopic handle (314), second hydraulic telescopic handle (314) top is fixed to be provided with and supports dull and stereotyped (315), it is provided with third motor (316) to support dull and stereotyped (315) top, third motor (316) power take off end is provided with feedback wheel (317), rope sheave (308) one side is provided with passive slave band pulley (318), passive slave band pulley (318) top is provided with servo main band pulley (320), passive slave band pulley (318) with be provided with conveyer belt (319) between servo main band pulley (320), servo main band pulley (320) one end is fixed to be set up the power take off end at servo motor (321).

2. The elevator governor testing apparatus of claim 1, wherein: the movable bearing mechanism (2) comprises a bearing table (201) fixedly arranged above the base (1), two groups of concave supporting tables (202) are longitudinally arranged above the bearing table (201), a convex movable table (203) is arranged on the inner side of the concave supporting tables (202), a power telescopic end of a first hydraulic cylinder (204) is fixedly arranged on the front side of the convex movable table (203), a first ball screw supporting frame (205) is arranged above the convex movable table (203), a first ball screw (206) is rotatably connected to the first ball screw supporting frame (205), one end of the first ball screw (206) is fixedly connected to a power output end of a first motor (207), and a first ball screw nut table (208) is movably connected to the outer surface of the first ball screw (206).

3. The elevator governor testing apparatus of claim 1, wherein: the second ball screw support frame (301) is connected with the second ball screw (302) through a bearing, and the second ball screw (302) is connected with the second motor (303) through a coupling.

4. The elevator governor testing apparatus of claim 1, wherein: the rope pulley supporting shaft (307) is welded with the rope pulley (308), and the rope pulley (308) is connected with the balancing weight (309) through a connecting rod.

5. The elevator governor testing apparatus of claim 1, wherein: the servo main belt wheel (320) is connected with the servo motor (321) through a coupling, and the third motor (316) is connected with the feedback wheel (317) through a coupling.

6. The elevator governor testing apparatus of claim 2, wherein: the convex moving table (203) is welded with the first hydraulic cylinder (204), and the bearing table (201) is welded with the concave supporting table (202).

7. The elevator governor testing apparatus of claim 2, wherein: the first ball screw support frame (205) is connected with the first ball screw (206) through a bearing, the first ball screw (206) is connected with the first motor (207) through a coupler, and the first ball screw (206) is connected with the first ball screw nut table (208) through threads.