Abrasion detection device for elevator driving rope sheave

Abstract

The utility model discloses a wear detection device for an elevator driving rope sheave, and belongs to the technical field of wear detection for elevator driving rope sheaves. The supports are symmetrically and fixedly connected to the base, the driving wheel and the driven wheel are rotationally connected to the supports, the power output end of the driving motor is in transmission connection with the driving wheel, and a steel wire rope is installed between the driving wheel and the driven wheel. An adjusting frame is arranged between the supports, the bottom end of the adjusting frame is fixedly connected with the base, a servo motor is installed at the top end of the adjusting frame, a double-end lead screw is driven to rotate through power output of the servo motor on the adjusting frame, a connecting base is in threaded connection with the double-end lead screw, and a guide rod is matched with a guide frame to slide. Therefore, the tensioning wheels move oppositely, the steel wire rope is tensioned by the tensioning wheels, meanwhile, the steel wire rope and the friction block are kept attached all the time, and abrasion detection of the steel wire rope is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator drive rope wheel wear detection technical field more specifically, relate to a kind of elevator drive rope wheel wear detection device. BACKGROUND

[0002] The car elevator usually adopts steel wire rope friction transmission, steel wire rope passes through traction sheave, and two ends are connected with car and counterweight respectively, and motor drives traction sheave to make car lift. When selecting steel wire rope, if wear detection is not carried out, the durability data of the type number of steel wire rope cannot be obtained, so that it is not convenient to judge during maintenance and repair, and safety accidents are easily caused.

[0003] Patent authorization number CN213903213U discloses a kind of novel elevator drive rope wheel wear detection device, including base, motor is fixed on base, driving fixed pulley is fixed on the rotating shaft of motor, linkage fixed pulley is rotatably installed on base by shaft support, driving fixed pulley is connected by steel wire rope with linkage fixed pulley, support fixed pulley is rotatably installed on base by shaft support, cylinder body is fixed on base, tensioning fixed pulley is rotatably installed on the piston rod of cylinder body by shaft support, steel wire rope passes through support fixed pulley and tensioning fixed pulley in turn.By the transmission of steel wire rope, simulate elevator movement, through tensioning fixed pulley cooperation cylinder body can make steel wire rope can be tight, at the same time, gear can improve the friction of driving fixed pulley and linkage fixed pulley with steel wire rope, ensure normal rotation, and polishing layer can simulate normal contact wear of steel wire rope with dust particle and sand particle when elevator runs, ensure the stability of wear detection.

[0004] But steel wire rope slidingly penetrates polishing layer in patent authorization number CN213903213U, abrasive stone material can simulate common dust particle to fragment sand particle to simulate the wear condition of steel wire rope when elevator runs, since polishing layer is gradually thinned after being rubbed by steel wire rope, so that polishing layer cannot contact with steel wire rope, thereby affecting the wear detection of steel wire rope, therefore we propose a kind of elevator drive rope wheel wear detection device to solve the above problems. UTILITY MODEL CONTENTS

[0005] 1. Technical problem to be solved

[0006] In view of the problems existing in the prior art, the utility model aims at providing a kind of elevator drive rope wheel wear detection device, which drives double-end screw to rotate by the power output of servo motor on adjusting frame, utilizes the screwing of connecting seat and double-end screw, and slips through guide rod and guide frame, so that the tensioning pulley moves towards each other, the tensioning pulley is tensioned to steel wire rope at the same time, and the steel wire rope and friction block always keep adhering, so as to ensure the wear detection of steel wire rope.

[0007] 2. Technical scheme

[0008] To solve the above problems, the utility model adopts the following technical scheme.

[0009] An elevator drive rope wheel wear detection device, including base, symmetry fixedly connected on the support of base, driving wheel and driven wheel of rotation connection on the support and power output end with the driving wheel transmission connection driving motor, the driving wheel with the driven wheel between installation has steel wire rope;

[0010] The support between being provided with the bottom end with the fixed connection of the adjusting frame of base;

[0011] The top of the adjusting frame is provided with a servo motor, and the inner side of the adjusting frame is provided with a double-end screw which is in transmission connection with the power output end of the servo motor.

[0012] The double-end screw is symmetrically screwed with a connecting seat, the side wall of the connecting seat close to the steel wire rope is fixedly connected with a guide rod, the adjusting frame is fixedly connected with a guide frame for guiding the guide rod, and the end of the guide rod is rotatably connected with a tensioning wheel abutting against the steel wire rope.

[0013] The tensioning wheel is provided with a friction block abutting against the steel wire rope.

[0014] Further, the driving wheel and the driven wheel are provided with a wheel groove, and the inner side of the wheel groove is provided with a convex tooth for increasing the friction with the steel wire rope.

[0015] Further, the bottom end of the double-end screw is rotatably connected with the bottom of the adjusting frame through a bearing, and the top end of the double-end screw is connected with the power output end of the servo motor through a shaft coupling.

[0016] Further, a guide hole is longitudinally formed in the guide frame, and the guide hole is in sliding connection with the guide rod.

[0017] Further, the side wall of the tensioning wheel is annularly provided with a limiting groove abutting against the steel wire rope.

[0018] Further, the end of the friction block is provided with a mounting seat fixedly connected with the guide frame.

[0019] Further, the material of the friction block is white corundum.

[0020] 3. Beneficial effects

[0021] Compared with the prior art, the utility model has the advantages that:

[0022] (1) the scheme, by adjusting the power output of the servo motor on the frame drive double head screw rotation, using the connecting seat and double head screw thread connection, and through the guide rod with guide frame slip, so that the tension between the wheels move towards each other, so that the tension of the wire rope tension wheel, and the wire rope and friction block always keep in contact, to ensure the wear detection of the wire rope, friction block can simulate common dust particles to the wear of the wire rope in the elevator running, the wear strength of the wire rope, under the continuous rotation, observe the wear or fracture time.

[0023] (2) the scheme, by setting the limiting groove on the tension wheel, in the process of tensioning the wire rope, can effectively prevent the wire rope from falling off the tension wheel. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is the three-dimensional structure schematic diagram of the utility model;

[0025] Figure 2 is the structure schematic diagram of the driving wheel and the driven wheel of the utility model;

[0026] Figure 3 is the structure schematic diagram of the adjusting frame of the utility model;

[0027] Figure 4 is the structure schematic diagram of the tension wheel of the utility model;

[0028] Figure 5 is the structure schematic diagram of the friction block of the utility model.

[0029] Mark explanation in the drawing:

[0030] 1, base; 2, support; 3, driving wheel; 4, driven wheel; 5, drive motor; 6, adjusting frame; 7, servo motor; 8, double head screw; 9, connecting seat; 10, guide rod; 11, guide frame; 12, tension wheel; 13, limiting groove; 14, wire rope; 15, friction block; 16, mounting seat. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model; Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the protection scope of the utility model.

[0032] Embodiment:

[0033] Please refer to Figures 1-5The utility model provides an elevator drive rope wheel wear detection device, including base 1, the support 2 of symmetry fixed connection on base 1, the driving wheel 3 and driven wheel 4 of rotation connection on support 2 and the drive motor 5 of power output end and driving wheel 3 transmission connection, driving wheel 3 with driven wheel 4 between installation has steel wire rope 14;

[0034] The support 2 between the bottom end is fixedly connected with the adjusting frame 6 of the base 1;

[0035] The top end of the adjusting frame 6 is provided with a servo motor 7, and the inner side of the adjusting frame 6 is provided with a double-headed screw 8 in transmission connection with the power output end of the servo motor 7;

[0036] The double-headed screw 8 is symmetrically screwed with a connecting seat 9, the side wall of the connecting seat 9 close to the steel wire rope 14 is fixedly connected with a guide rod 10, and the adjusting frame 6 is fixedly connected with a guide frame 11 for guiding the guide rod 10, and the end of the guide rod 10 is rotationally connected with a tensioning wheel 12 abutting against the steel wire rope 14;

[0037] The tensioning wheel 12 is provided with a friction block 15 abutting against the steel wire rope 14;

[0038] It should be noted that the elevator drive rope wheel wear detection device in use, first install steel wire cylinder 14 on driving wheel 3 and driven wheel 4, then drive driving wheel 3 and drive driven wheel 4 through drive motor 5, simulate the running of steel wire rope 14 when the car elevator is working, the power output of servo motor 7 on adjusting frame 6 drives double-headed screw 8 to rotate, the connecting seat 9 is screwed with double-headed screw 8, and the guide rod 10 cooperates with the guide frame 11 to slide, so that the tensioning wheel 12 moves towards each other, the tensioning wheel 12 tightens the steel wire rope 14, and the steel wire rope 14 always abuts against the friction block 15, so as to ensure the wear detection of the steel wire rope 14, the friction block 15 can simulate the wear of the steel wire rope 14 in the elevator operation by common dust particles and gravel particles, the wear strength of the steel wire rope 14, and the wear or fracture time is observed under continuous rotation.

[0039] As shown in Figure 2 The driving wheel 3 and the driven wheel 4 are both provided with a wheel groove, and the inner side of the wheel groove is provided with a convex tooth for increasing the friction with the steel wire rope 14;

[0040] It should be noted that the convex tooth can improve the friction between the driving wheel 3, the driven wheel 4 and the steel wire rope, and ensure the normal rotation of the steel wire rope 14.

[0041] As shown in Figure 3 The bottom end of the double-headed screw 8 is rotationally connected with the bottom of the adjusting frame 6 through a bearing, and the top end of the double-headed screw 8 is connected with the power output end of the servo motor 7 through a shaft coupling;

[0042] Need to explain, in guaranteeing the double head screw rod 8 revolves the precision, can make the power that the servo motor 7 transmitted can normally be passed to the steel wire rope 14.

[0043] As Figure 3 The guide frame 11 is longitudinally provided with a guide hole, and the guide hole is slidably connected with the guide rod 10.

[0044] Need to explain, through the guide rod 10 cooperation guide hole on the guide frame 11 slip, thereby adjusting the spacing between the tension pulley 12.

[0045] As Figure 4 The side wall of the tension pulley 12 is provided with a limiting groove 13 abutting against the steel wire rope 14.

[0046] Need to explain, through the limiting groove 13 on the tension pulley 12, in the process of tensioning the steel wire rope 14, the steel wire rope 14 can be effectively prevented from falling off the tension pulley 12.

[0047] The end of the friction block 15 is provided with a mounting seat 16 fixedly connected with the guide frame 11, and the material of the friction block 15 is white corundum.

[0048] In use: first, the steel cylinder 14 is installed on the driving wheel 3 and the driven wheel 4, then the driving motor 5 drives the driving wheel 3 and drives the driven wheel 4 to simulate the operation of the steel wire rope 14 when the car elevator is working, the power output of the servo motor 7 on the adjusting frame 6 drives the double head screw rod 8 to rotate (the power output of the servo motor 7 has a self-locking device), the connecting seat 9 is screwed with the double head screw rod 8, and the guide rod 10 cooperates with the guide frame 11 to slide, so that the tension pulley 12 moves towards each other, the tension pulley 12 tightens the steel wire rope 14, and the steel wire rope 14 always keeps in contact with the friction block 15, the friction block 15 can simulate the common dust particles to simulate the abrasion of the steel wire rope 14 in the elevator operation, the abrasion intensity of the steel wire rope 14, under the continuous rotation, the abrasion or fracture time is observed.

[0049] The above is only the preferred embodiment of the present application; however, the protection scope of the present application is not limited thereto. Any skilled person in the art can make equivalent replacement or change according to the technical scheme of the present application and the improved concept, which should be covered in the protection scope of the present application.

Claims

1. An elevator drive sheave wear detection device, comprising a base (1), a bracket (2) symmetrically fixedly connected to the base (1), a drive wheel (3) and a driven wheel (4) rotatably connected to the bracket (2), and a drive motor (5) whose power output end is transmittedly connected to the drive wheel (3), characterized in that: A steel wire rope (14) is installed between the driving wheel (3) and the driven wheel (4); An adjustment bracket (6) with its bottom end fixedly connected to the base (1) is provided between the brackets (2); A servo motor (7) is installed at the top of the adjustment frame (6), and a double-ended lead screw (8) that is connected to the power output end of the servo motor (7) is installed on the inner side of the adjustment frame (6). The double-ended screw (8) is symmetrically screwed with connecting seats (9), and the connecting seats (9) are fixedly connected with guide rods (10) near the side wall of the wire rope (14). The adjusting frame (6) is fixedly connected with a guide frame (11) for guiding the guide rods (10), and the end of the guide rods (10) is rotatably connected with a tensioning wheel (12) that abuts against the wire rope (14). Friction blocks (15) that fit against the wire rope (14) are provided between the tensioning wheels (12).

2. The elevator drive sheave wear detection device according to claim 1, characterized in that: Both the driving wheel (3) and the driven wheel (4) are provided with wheel grooves, and the inner side of the wheel groove is provided with protruding teeth for increasing friction with the wire rope (14).

3. The elevator drive sheave wear detection device according to claim 1, characterized in that: The bottom end of the double-ended lead screw (8) is rotatably connected to the bottom of the adjusting frame (6) through a bearing, and the top end of the double-ended lead screw (8) is connected to the power output end of the servo motor (7) through a coupling.

4. The elevator drive sheave wear detection device according to claim 1, characterized in that: The guide frame (11) has a guide hole in the longitudinal direction, and the guide hole is slidably connected to the guide rod (10).

5. The elevator drive sheave wear detection device according to claim 1, characterized in that: The side wall of the tensioning wheel (12) is provided with a limiting groove (13) that abuts against the wire rope (14).

6. The elevator drive sheave wear detection device according to claim 1, characterized in that: The friction block (15) is fitted with a mounting base (16) that is fixedly connected to the guide frame (11) at its end.

7. The elevator drive sheave wear detection device according to claim 1, characterized in that: The friction block (15) is made of white corundum.

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