CN214733825U

CN214733825U - Novel bridge crane structure

Info

Publication number: CN214733825U
Application number: CN202121109768.4U
Authority: CN
Inventors: 李智翔
Original assignee: Suzhou Special Equipment Supervision And Inspection Center
Current assignee: Suzhou Special Equipment Supervision And Inspection Center
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-11-16
Anticipated expiration: 2031-05-21

Abstract

The utility model discloses a hoist technical field's a novel bridge crane structure, including pulley box, movable pulley, cable wire, lifting hook, anticreep board, determine module is including detecting seat, detection post, mounting hole, detection ring, pressure sensor, gyro wheel, spring, and spring elasticity is replaced and is detected the post and drive and detect the post and move up, makes the gyro wheel support tight cable wire, and detects the ring and have the effort to pressure sensor. The utility model has the advantages that: when the movable pulley is worn, the lowest point of the steel cable is moved upwards, the spring elastically supports against the detection column to enable the roller to move upwards, the acting force of the detection ring on the pressure sensor is reduced, the pressure data value of the pressure sensor is reduced, the abrasion loss of the movable pulley is judged by the external single chip microcomputer, real-time detection of the abrasion loss of the movable pulley is achieved, and potential safety hazards are reduced.

Description

Novel bridge crane structure

Technical Field

The utility model relates to a hoist technical field specifically is a novel bridge crane structure.

Background

The bridge crane is a hoisting device which is transversely arranged above workshops, warehouses and stockyards to hoist materials. Since its two ends are seated on a tall concrete column or a metal bracket, it is shaped like a bridge. The bridge frame of the bridge crane runs longitudinally along the rails laid on the elevated frames at two sides, so that the space below the bridge frame can be fully utilized to hoist materials without being hindered by ground equipment. The lifting machine has the widest application range and the largest quantity.

Present bridge crane mainly drives the lifting hook through loose pulley assembly and reciprocates, and the last movable pulley of loose pulley assembly is long-term when contacting with the cable wire, and the inevitable wearing and tearing that produce, this kind of wearing and tearing mode are the main inefficacy form of movable pulley, when the movable pulley produces wearing and tearing, can't in time detect the wearing and tearing of movable pulley, can only rely on the regular detection mode to detect the wearing and tearing of movable pulley, and this kind of mode is more passive, and difficult in time discovery movable pulley wearing and tearing, causes the potential safety hazard easily.

Based on this, the utility model designs a novel bridge crane structure to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel bridge crane structure, mainly drive the lifting hook through loose pulley assembly with the present bridge crane who proposes in solving above-mentioned background art and reciprocate, when the last movable pulley of loose pulley assembly contacted with the cable wire for a long time, can not avoid producing wearing and tearing, this kind of wearing and tearing mode is the main failure mode of movable pulley, when the movable pulley produces wearing and tearing, can't in time detect the wearing and tearing of movable pulley, can only rely on the regular detection mode to detect the wearing and tearing of movable pulley, this kind of mode is more passive, and be difficult for in time discovering the movable pulley wearing and tearing, cause the problem of potential safety hazard easily.

In order to achieve the above object, the utility model provides a following technical scheme: a novel bridge crane structure comprises a pulley assembly composed of a pulley box and a movable pulley, wherein the movable pulley is horizontally and rotatably connected to the pulley box and used for winding a steel cable, the bottom of the pulley box is provided with a lifting hook, an anti-drop plate is rotatably installed on the lifting hook, a detection assembly used for detecting the abrasion of the movable pulley is arranged in the pulley box, the detection assembly comprises a detection seat fixedly connected in the pulley box, a detection column penetrating out of the top of the detection seat is coaxially arranged on the detection seat, a through hole type installation hole for the insertion of the detection column is formed in the detection seat, a detection ring is sleeved at one end of the detection column penetrating out of the detection seat, a pressure sensor is arranged on the detection seat, the lower end surface of the detection ring is abutted against the pressure sensor, the upper end of the detection column is horizontally and rotatably connected with a roller, and the roller is abutted against the part of the steel cable wound on the movable pulley, a spring is vertically arranged in a mounting hole of the detection seat, the spring elastically abuts against the detection column and drives the detection column to move upwards, the roller abuts against the steel cable, and the detection ring has acting force on the pressure sensor.

Preferably, the floating pin is horizontally arranged at one end of the detection column penetrating into the mounting hole in a penetrating mode, and a waist-shaped hole which is used for inserting and combining two ends of the floating pin and can freely slide up and down is formed in the outer wall of the detection seat.

Preferably, the detection seat is located at the lowest point of the periphery of the movable pulley.

Preferably, the anticreep board is driven its along the articulated department rotation with the lifting hook by drive assembly, drive assembly is including articulating the miniature electric push rod on the lifting hook, the drive is connected with the connector on the miniature electric push rod, be equipped with a upset arm on the anticreep board, the upset arm is articulated with the connector.

Preferably, the hook head end of the lifting hook is provided with a limiting part for limiting the rotation of the anti-falling plate towards the outer side of the lifting hook.

Compared with the prior art, the beneficial effects of the utility model are that: when the movable pulley wearing and tearing, the cable wire minimum will produce and shift up, produce elasticity by the spring to detecting the post again and support, make the gyro wheel shift up, and then make the effort of detecting the ring to pressure sensor reduce, pressure sensor's pressure data value reduces, and then judge the movable pulley wearing and tearing volume by outside singlechip, realize detecting the movable pulley wearing and tearing volume in real time, reduce the potential safety hazard, rotate through setting up drive assembly drive anticreep board, make the anticreep board can swing, and then be convenient for the lifting rope on the outside heavy object during penetrating the lifting hook, and need not the manual mode and press the anticreep board and come out the lifting rope from the lifting hook.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of the structure at A in FIG. 1;

fig. 3 is an enlarged schematic view of a partial structure at B in fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

1-steel cable, 2-movable pulley, 3-pulley box, 4-lifting hook, 5-anti-drop plate, 6-roller, 7-detection column, 8-detection ring, 9-pressure sensor, 10-floating pin, 11-spring, 12-kidney-shaped hole, 13-mounting hole, 14-detection seat, 15-micro electric push rod, 16-connector, 17-turnover arm and 18-limiting part.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a novel bridge crane structure comprises a pulley assembly composed of a pulley box 3 and a movable pulley 2, wherein the movable pulley 2 is horizontally and rotatably connected to the pulley box 3 and used for winding a steel cable 1, the bottom of the pulley box 3 is provided with a lifting hook 4, an anti-drop plate 5 is rotatably installed on the lifting hook 4, the hook head end of the lifting hook 4 is provided with a limiting part 18 used for limiting the rotation of the anti-drop plate 5 towards the outer side of the lifting hook 4, the anti-drop plate 5 is driven by a driving assembly to rotate along the hinged part with the lifting hook 4, the driving assembly comprises a micro electric push rod 15 hinged on the lifting hook 4, the micro electric push rod 15 is in driving connection with a connector 16, the anti-drop plate 5 is provided with a turnover arm 17, the turnover arm 17 is hinged with the connector 16, when a heavy object is hoisted, the micro electric push rod 15 is firstly started, the telescopic rod of the micro electric push rod 15 is extended to enable the anti-drop plate 5 to turn downwards, at the moment, a lifting rope on the heavy object can penetrate into the lifting hook 4, after the threading is finished, the miniature electric push rod 15 is started again, the telescopic rod of the miniature electric push rod 15 is shortened, the anti-falling plate 5 is turned upwards to enable the anti-falling plate to abut against the limiting part 18, so that the lifting rope is prevented from falling off from the lifting hook 4, after a heavy object is lifted to a proper position, the miniature electric push rod 15 is started again to enable the anti-falling plate 5 to turn downwards, so that the lifting rope can fall off from the lifting hook 4 conveniently, a detection assembly for detecting the abrasion of the movable pulley 2 is arranged in the pulley box 3, the detection assembly comprises a detection seat 14 fixedly connected in the pulley box 3, the detection seat 14 is positioned at the lowest point of the periphery of the movable pulley 2, a detection column 7 penetrating out of the top of the detection seat 14 is coaxially arranged on the detection seat 14, a mounting hole 13 in a through hole form for inserting and connecting the detection column 7 is arranged in the detection seat 14, one end of the detection column 7, which penetrates out of the detection seat 14, a detection ring 8 is sleeved on the detection seat 14, a pressure sensor 9 is arranged on the detection seat 14, the lower end face of the detection ring 8 is abutted against the pressure sensor 9, the upper end of the detection column 7 is horizontally and rotatably connected with a roller 6, the roller 6 is abutted against the part of the steel cable 1 wound on the movable pulley 2, a spring 11 is vertically arranged in a mounting hole 13 of the detection seat 14, the spring 11 elastically abuts against the detection column 7 and drives the detection column 7 to move upwards, the roller 6 abuts against the steel cable 1, the detection ring 8 has acting force on the pressure sensor 9, when the movable pulley 2 is worn, the lowest point of the steel cable 1 moves upwards, then the spring 11 elastically abuts against the detection column 7, the roller 6 moves upwards, further the acting force of the detection ring 8 on the pressure sensor 9 is reduced, the pressure data value of the pressure sensor 9 is reduced, further, the wear amount of the movable pulley 2 is determined by an external single chip microcomputer, real-time detection of the wear amount of the movable pulley 2 is realized, a floating pin 10 horizontally penetrates through one end of the detection column 7 penetrating into the mounting hole 13, the outer wall of the detection seat 14 is provided with a waist-shaped hole 12 which is used for inserting and closing two ends of the floating pin 10 and can freely slide up and down, and the floating pin 10 slides in the waist-shaped hole 12 and is limited, so that the detection column 7 cannot fall off from the installation hole 13 of the detection seat 14.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A novel bridge crane structure comprises a pulley assembly composed of a pulley box (3) and a movable pulley (2), wherein the movable pulley (2) is horizontally connected to the pulley box (3) in a rotating manner and used for winding a steel cable (1), a lifting hook (4) is arranged at the bottom of the pulley box (3), an anti-drop plate (5) is rotatably arranged on the lifting hook (4), the novel bridge crane structure is characterized in that a detection assembly used for detecting the abrasion of the movable pulley (2) is arranged in the pulley box (3), the detection assembly comprises a detection seat (14) fixedly connected in the pulley box (3), a detection column (7) penetrating through the top of the detection seat (14) is coaxially arranged on the detection seat (14), a mounting hole (13) for inserting and combining the detection column (7) in a through hole form is formed in the detection seat (14), and a detection ring (8) is sleeved at one end of the detection column (7) penetrating through the detection seat (14), be equipped with pressure sensor (9) on detecting seat (14), detect under ring (8) terminal surface and conflict with pressure sensor (9), it is connected with gyro wheel (6) to detect post (7) upper end horizontal rotation, gyro wheel (6) and cable wire (1) winding position on movable pulley (2) are contradicted, vertical arrangement has spring (11) in mounting hole (13) of detecting seat (14), spring (11) elasticity is supported and is detected post (7) and drive and detect post (7) and move up, makes gyro wheel (6) support tight cable wire (1), just it has the effort to pressure sensor (9) to detect ring (8).

2. The novel bridge crane structure as claimed in claim 1, wherein a floating pin (10) horizontally penetrates through one end of the detection column (7) penetrating into the mounting hole (13), and a slotted hole (12) for inserting and closing two ends of the floating pin (10) and allowing the floating pin to freely slide up and down is formed in the outer wall of the detection seat (14).

3. A new bridge crane structure, according to claim 1, characterized in that said detection seat (14) is located at the lowest point of the periphery of the travelling block (2).

4. The novel bridge crane structure as claimed in claim 1, wherein the anti-dropping plate (5) is driven by a driving assembly to rotate along the hinge with the hook (4), the driving assembly comprises a micro electric push rod (15) hinged on the hook (4), the micro electric push rod (15) is connected with a connector (16) in a driving manner, an overturning arm (17) is arranged on the anti-dropping plate (5), and the overturning arm (17) is hinged with the connector (16).

5. A novel bridge crane structure as claimed in claim 4, wherein the hook head end of the hook (4) is provided with a limiting part (18) for limiting the rotation of the anti-dropping plate (5) towards the outer side of the hook (4).