Rope clamping device for elevator

Abstract

The utility model discloses a rope clamping device for an elevator, and relates to the technical field of elevators. Comprising fixing panels, the fixing panels are symmetrically arranged, connecting plates are fixed to the four corners between the fixing panels, mounting assemblies are arranged on the fixing panels, clamping assemblies are vertically and symmetrically arranged in the fixing panels, each clamping assembly comprises mounting boxes fixed to the inner side faces of the connecting plates, and a plurality of fixing transverse rods are inserted between the two mounting boxes located at the same horizontal position at equal intervals. Through the arrangement of the clamping assembly, the steel wire rope slides in the first circular groove and the second circular groove in a lifting mode, when clamping operation is carried out, a rotating motor is started, a plurality of screw rods rotate synchronously, the clamping blocks get close to one another, the steel wire rope is stably clamped, the friction force between the clamping blocks and the steel wire rope is enhanced through anti-skid cushion blocks, and the clamping effect of the steel wire rope is improved. And through the arrangement of the double clamping blocks, the emergency situation of unstable clamping can be dealt with conveniently, so that the clamping force is enhanced, and the potential safety hazard is reduced to a certain extent.

Description

Technical Field

[0001] The utility model relates to the technical field of elevators, in particular to a rope clamping device for elevators. Background Art

[0002] An elevator is a means of transportation used to transport passengers or goods vertically. An elevator rope clamp is a safety device that automatically clamps the elevator's wire rope when an abnormal situation occurs in the elevator to ensure the safe operation of the elevator.

[0003] The existing elevator rope clamp (authorization announcement number: CN107867616B) has the following defects: the above-mentioned device will not cause wear to the wire rope and the rope pressure plate, and will not accidentally trigger the safety clamp action linked thereto, thereby reducing the maintenance cost of the elevator during use. However, the above-mentioned and existing ones have a single structure for clamping the wire rope, and the single clamping structure is not easy to deal with sudden situations such as unstable clamping, which poses certain safety hazards. For this reason, the present utility model is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a rope clamping device for an elevator to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rope clamping device for an elevator, comprising a fixed panel, the fixed panels are symmetrically arranged, connecting plates are fixed at four corners between the fixed panels, a mounting assembly is arranged on the fixed panel, and a clamping assembly is symmetrically arranged in the fixed panel, the clamping assembly comprises a mounting box fixed to the inner side of the connecting plate, a plurality of fixed cross bars are equidistantly inserted between two mounting boxes located at the same horizontal position, a screw is arranged on one side of the vertical position of the fixed cross bar, the screw passes through the mounting box and is rotatably connected to the mounting box, a sprocket is sleeved and fixed on one end of the screw, a chain is connected between the sprockets, and a clamping block is symmetrically arranged between the two mounting boxes located at the same horizontal position, and the clamping block is sleeved on the screw and the fixed cross bar at corresponding positions.

[0006] Preferably, a second circular groove is provided on the opposite side of the clamping block, a plurality of anti-slip pads are provided on the groove wall of the second circular groove, the fixed cross bar is fixed to the installation box, and one end of the screw located on one side is connected to a rotating motor.

[0007] Preferably, a through hole sliding with the fixed cross bar is provided in the clamping block, and thread grooves matching with the external threads of the screw and having the same and opposite directions are respectively provided in the clamping block, and the rotating motor is installed in the installation box.

[0008] Preferably, the mounting assembly includes a first side U-shaped plate arranged on one side of the fixed panel and the connecting plate as a whole, and a second side U-shaped plate arranged on the other side of the fixed panel and the connecting plate as a whole, and the first side U-shaped plate and the second side U-shaped plate are arranged symmetrically.

[0009] Preferably, the first side U-shaped plate and the second side U-shaped plate are fixed with limiting sliders on their outer side surfaces relative to the horizontal plate, a sliding groove compatible with the limiting slider is opened on the fixed panel, and a plurality of positioning rods are fixed with equal distances on one side of the first side U-shaped plate relative to the horizontal plate.

[0010] Preferably, a positioning groove matched with the positioning rod is provided on the second side U-shaped plate, a first circular groove is symmetrically provided on the first side U-shaped plate and the second side U-shaped plate, the first side U-shaped plate and the second side U-shaped plate are integrally sleeved with a frame plate, a locking bolt is screwed on one side of the frame plate, and a positioning sleeve matched with the locking bolt is fixed on the fixed panel located on one side.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The elevator rope clamp device, through the setting of the clamping assembly, the wire rope is lifted and slid in the first circular groove and the second circular groove. When the clamping operation is performed, the rotary motor is started, and the multiple screws are rotated synchronously, so that the clamping blocks are close to each other, and the wire rope is clamped stably. The anti-slip pad blocks strengthen the friction between the clamping blocks and the wire rope. The setting of the double clamping blocks is convenient for dealing with sudden situations of unstable clamping, thereby strengthening the clamping force and reducing safety hazards to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 It is the first cross-sectional view of the utility model;

[0015] Figure 3 It is a second cross-sectional view of the utility model;

[0016] Figure 4 It is a schematic diagram of the three-dimensional split structure of the utility model.

[0017] In the figure: 1, fixed panel; 101, connecting plate; 2, first side U-shaped plate; 201, second side U-shaped plate; 202, first circular groove; 203, limiting slider; 204, slide groove; 205, positioning rod; 3, frame plate; 301, locking bolt; 302, positioning sleeve; 4, installation box; 401, fixed cross bar; 402, screw; 403, sprocket; 404, chain; 405, clamping block; 406, second circular groove; 407, anti-slip pad. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] During the use of the elevator, a rope clamping device is required. The rope clamping device provided by the utility model is specially used for double clamping of the wire rope to ensure the normal operation of the elevator. At the same time, the first side U-shaped plate 2, the second side U-shaped plate 201 and the sleeve frame plate 3 facilitate the disassembly and installation of the device, thereby facilitating the maintenance of the device. During the use of the device, it is necessary to perform preparatory work such as inspection in advance to ensure the normal operation of the device.

[0020] like Figure 1-Figure 4 As shown, the utility model provides a technical solution: a rope clamping device for an elevator, comprising a fixed panel 1, the fixed panels 1 are symmetrically arranged, connecting plates 101 are fixed at four corners between the fixed panels 1, a mounting assembly is arranged on the fixed panel 1, and a clamping assembly is symmetrically arranged in the fixed panel 1, the clamping assembly comprises an installation box 4 fixed to the inner side of the connecting plate 101, a plurality of fixed cross bars 401 are equidistantly inserted between two installation boxes 4 located at the same horizontal position, a screw rod 402 is arranged on one side of the vertical position of the fixed cross bar 401, the screw rod 402 penetrates the installation box 4 and is rotatably connected to the installation box 4, a sprocket wheel 403 is sleeved and fixed on one end of the screw rod 402, a chain 404 is chained between the sprocket wheels 403, and a clamping block 405 is symmetrically arranged between the two installation boxes 4 located at the same horizontal position, and the clamping block 405 is sleeved on the screw rod 402 and the fixed cross bar 401 at corresponding positions.

[0021] In the embodiment, a second circular groove 406 is opened on the opposite side of the clamping block 405, and a plurality of anti-slip pads 407 are arranged on the groove wall of the second circular groove 406. The fixed cross bar 401 is fixed to the installation box 4, and one end of the screw 402 located on one side is connected to a rotating motor, wherein the clamping block 405 moves more stably under the drive of the screw 402, wherein the rotating motor adopts a servo motor with a self-locking function in the prior art, and the chain 404 and the sprocket 403 are prior art.

[0022] In the embodiment, a through hole sliding with the fixed cross bar 401 is provided in the clamping block 405, and thread grooves matching the external threads of the screw 402 and in the same and opposite directions are respectively provided in the clamping block 405. The rotating motor is installed in the installation box 4. Through the setting of the clamping assembly, the wire rope is lifted and slid in the first circular groove 202 and the second circular groove 406. When the clamping operation is performed, the rotating motor is started, and the multiple screws 402 rotate synchronously, so that the clamping blocks 405 are close to each other, and the wire rope is clamped stably. The anti-slip pad 407 strengthens the friction between the clamping block 405 and the wire rope. The setting of the double clamping block 405 is convenient for dealing with sudden situations of unstable clamping, thereby strengthening the clamping force and reducing safety hazards to a certain extent.

[0023] In an embodiment, the installation component includes a first side U-shaped plate 2 arranged at one side of the fixed panel 1 and the connecting plate 101 as a whole, and a second side U-shaped plate 201 is arranged at the other side of the fixed panel 1 and the connecting plate 101 as a whole. The first side U-shaped plate 2 and the second side U-shaped plate 201 are symmetrically arranged, and the outer side surfaces of the first side U-shaped plate 2 and the second side U-shaped plate 201 relative to the transverse plate are fixed with a limiting slider 203, and a sliding groove 204 compatible with the limiting slider 203 is opened on the fixed panel 1. A plurality of positioning rods 205 are equidistantly fixed to one side of the first side U-shaped plate 2 relative to the transverse plate, wherein the positioning rods 205 and the limiting slider 203 ensure the stable installation of the first side U-shaped plate 2 and the second side U-shaped plate 201.

[0024] In the embodiment, a positioning groove matched with the positioning rod 205 is provided on the second side U-shaped plate 201, and a first circular groove 202 is symmetrically provided on the first side U-shaped plate 2 and the second side U-shaped plate 201, and the first side U-shaped plate 2 and the second side U-shaped plate 201 are integrally sleeved with a frame plate 3, and a locking bolt 301 is screwed on one side of the frame plate 3, and a positioning sleeve 302 matched with the locking bolt 301 is fixed on the fixed panel 1 located on one side, wherein the positioning sleeve 302 is screwed with the locking bolt 301, and the locking bolt 301, the frame plate 3 and the positioning sleeve 302 ensure the convenience of installation and disassembly of the device, and the first circular groove 202 and the second circular groove 406 are opened correspondingly.

[0025] Working principle: When using this device, first install it, move the first side U-shaped plate 2 and the second side U-shaped plate 201 on the slide groove 204 through the limit slider 203 until the positioning rod 205 is inserted into the positioning groove, then the frame plate 3 is sleeved on the entire outside of the first side U-shaped plate 2 and the second side U-shaped plate 201, and finally rotate the locking bolt 301 until the locking bolt 301 is locked in the positioning sleeve 302, and the wire rope passes through the first circular groove 202 and the second circular groove 406. When the device is working, the rotating motor starts, driving multiple screws 402 to rotate under the action of the sprocket 403 and the chain 404, so that the relative clamping block 405 is close to clamp the wire rope, which is convenient for double clamping of the wire rope, increases the clamping area, and improves the safety of the device to a certain extent.

[0026] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is limited by the attached embodiments and their equivalents.

Claims

1. A rope clamping device for an elevator, comprising a fixing panel (1), characterized in that: The fixed panels (1) are symmetrically arranged, and connecting plates (101) are fixed at four corners between the fixed panels (1). A mounting assembly is arranged on the fixed panels (1), and a clamping assembly is symmetrically arranged in the fixed panels (1) from top to bottom. The clamping assembly comprises a mounting box (4) fixed to the inner side of the connecting plate (101), and a plurality of fixed cross bars (401) are inserted at equal intervals between two mounting boxes (4) at the same horizontal position. A screw rod (402) is arranged on one side of the vertical position of the fixed cross bar (401), and the screw rod (402) passes through the mounting box (4) and is rotatably connected to the mounting box (4). A sprocket wheel (403) is sleeved and fixed on one end of the screw rod (402), and a chain (404) is linked between the sprocket wheels (403). A clamping block (405) is symmetrically arranged between the two mounting boxes (4) at the same horizontal position, and the clamping block (405) is sleeved on the screw rod (402) and the fixed cross bar (401) at corresponding positions.

2. The elevator rope clamping device according to claim 1, characterized in that: A second circular groove (406) is provided on the opposite side of the clamping block (405), a plurality of anti-slip pads (407) are provided on the groove wall of the second circular groove (406), the fixed cross bar (401) is fixed to the installation box (4), and one end of the screw rod (402) located at one side is connected to a rotating motor.

3. An elevator rope clamping device according to claim 2, characterized in that: The clamping block (405) is provided with a through hole that slides with the fixed cross bar (401), and the clamping block (405) is provided with thread grooves that match the external threads of the screw rod (402) and have the same and opposite directions, respectively. The rotating motor is installed in the installation box (4).

4. The elevator rope clamping device according to claim 1, characterized in that: The mounting assembly comprises a first side U-shaped plate (2) arranged at one side of the fixed panel (1) and the connecting plate (101) as a whole, and a second side U-shaped plate (201) arranged at the other side of the fixed panel (1) and the connecting plate (101) as a whole, wherein the first side U-shaped plate (2) and the second side U-shaped plate (201) are arranged symmetrically.

5. The elevator rope clamping device according to claim 4, characterized in that: The first side U-shaped plate (2) and the second side U-shaped plate (201) are both fixed with a limit slider (203) on their outer side surfaces relative to the transverse plate, a slide groove (204) adapted to the limit slider (203) is provided on the fixed panel (1), and a plurality of positioning rods (205) are fixed at equal distances on a side surface of the first side U-shaped plate (2) relative to the transverse plate.

6. The elevator rope clamping device according to claim 5, characterized in that: The second side U-shaped plate (201) is provided with a positioning groove matched with the positioning rod (205); the first side U-shaped plate (2) and the second side U-shaped plate (201) are symmetrically provided with a first circular groove (202); the first side U-shaped plate (2) and the second side U-shaped plate (201) are integrally sleeved with a sleeve frame plate (3); a locking bolt (301) is screwed on one side of the sleeve frame plate (3); and a positioning sleeve (302) matched with the locking bolt (301) is fixed on the fixed panel (1) located at one side.

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