CN202897850U

CN202897850U - Control device for rotary location for gantry hoist

Info

Publication number: CN202897850U
Application number: CN 201220519207
Authority: CN
Inventors: 李万录
Original assignee: Taiyuan Heavy Industry Co Ltd
Current assignee: Taiyuan Heavy Industry Co Ltd
Priority date: 2012-09-27
Filing date: 2012-09-27
Publication date: 2013-04-24
Anticipated expiration: 2022-09-27

Abstract

The utility model discloses a control device for rotary location for a gantry hoist, and relates to a gantry hoist for a ladle crane and is used for solving the technical problem that the traditional gantry hoist cannot realize rotary location in the multiple intervals of 0 to +/-90 degrees and 0 to +/-180 degrees. According to the control device disclosed by the utility model, an electro-hydraulic push rod with a limit switch, and a gear-rack transmission device thereof are installed on a cross beam, and telescopic and swingable retainers and limit switch receivers are arranged at a +/-90-degree position and a +/-180-degree position respectively; and a two-way buffer and a limit switch emitter are arranged at a 0-degree position of the cross beam of the gantry hoist, and accurate and reliable location for the hoist is guaranteed via electromechanical combined action. The control device disclosed by the utility model is suitable for all ladle cranes needing a multi-interval rotary location operation, expands the operating range of the rotary gantry hoist, and increasing the working efficiency.

Description

The control setup of a kind of gantry lifting tool rotation location

Technical field

The utility model relates to ladle carne, particularly a kind of rotary positioning apparatus of casting crane gantry lifting tool.

Background technology

Along with the development of modern metallurgical technology, gantry lifting tool generally uses on the metallurgical casting hoisting crane.The gantry lifting tool of existing ladle carne can only be realized 0 ° to ± 90 ° or 0 ° to 180 ° interval rotation location, still can not realize rotating between 0 ° to ± 90 ° and 0 ° to ± 180 ° multi-region and locate.

Summary of the invention

The purpose of this utility model is to overcome the shortcoming of prior art, and the control setup of a kind of gantry lifting tool rotation location is provided, and solves traditional gantry lifting tool and can not realize rotating the technical matters of locating between 0 ° to ± 90 ° and 0 ° to ± 180 ° multi-region.

For achieving the above object, the technical solution adopted in the utility model is:

The control setup of a kind of gantry lifting tool rotation location, comprise: with the crossbeam of rotating mechanism, the gantry lifting tool that is connected with described crossbeam, it is characterized in that: the electric drive hydraulic thruster with limit switch, horizontal tooth bar, miniature gears, axle, big gear wheel, bottom are installed with the vertical tooth bar of divider, the divider that can swing and limit switch receptor on the described crossbeam, 0 ° of position (on the circle Q) is equipped with bidirectional buffer and limit switch projector on the crossbeam of described gantry lifting tool; Described electric drive hydraulic thruster is connected with described horizontal tooth bar, described miniature gears and described horizontal tooth bar engagement, described miniature gears is connected with described big gear wheel by described axle, described big gear wheel and described vertical tooth bar engagement, vertical tooth bar with divider when stretching out (declines), realizes that 0 ° of rotation of arriving ± 90 ° of intervals locates.The described divider that swings is installed in below the described crossbeam, with respect to described bidirectional buffer place, described limit switch receptor is installed in below the described crossbeam, be positioned at the described divider outer edge circumference that swings and by the anglec of rotation 4 groups of totally 10 receptors be set: No. 0 receptor, No. 1 receptor, No. 2 receptors, No. 3 receptors, No. 4 receptors, No. 5 receptors, No. 6 receptors, No. 7 receptors, No. 8 receptors, No. 9 receptors, described No. 0 receptor, No. 1 receptor, No. 4 receptor is arranged on 0 ° of position of the anglec of rotation, described No. 2 receptors, No. 3 receptor is arranged on ° position, the anglec of rotation+90, described No. 5 receptors, No. 6 receptor is arranged on the anglec of rotation-90 ° position, described No. 7 receptors, No. 8 receptors, No. 9 receptor is arranged on ° position, the anglec of rotation ± 180.

The described divider that swings is comprised of swing span, little axle, bearing, positioning seat, and described bearing is fixed on below the described crossbeam, and positioning seat is installed in described bearing both sides, and described swing span is hinged by little axle and described bearing.

The utility model compared with prior art owing to the electric drive hydraulic thruster and the rack and pinion drive thereof that are equipped with at crossbeam with limit switch, is respectively equipped with scalable and divider and limit switch receptor that can swing at ± 90 ° with ± 180 ° of positions; (on the circle Q) is provided with bidirectional buffer and limit switch projector in 0 ° of position on the crossbeam of gantry lifting tool, and dynamo-electric combined action guarantees that suspender can accurately and reliably locate.The utility model is applicable to all ladle carnes that need rotation positioning operation between multi-region, has expanded the scope of work of rotation gantry lifting tool, has improved work efficiency.

Description of drawings

Fig. 1 is the structural representation of the utility model in casting crane gantry lifting tool;

Fig. 2 is the lateral plan of Fig. 1;

Fig. 3 is the layout schematic diagram of limit switch receptor;

The position view of the divider that Fig. 4 is limit switch receptor, bidirectional buffer, limit switch projector, can swing;

Fig. 5 is the structural representation of different conditions between the divider that can swing and the bidirectional buffer.

The utility model is further described by preferred embodiment below in conjunction with accompanying drawing.

The specific embodiment

Shown in Fig. 1,2,3,4, the control setup of a kind of gantry lifting tool rotation location, comprise: with the crossbeam 02 of rotating mechanism, the gantry lifting tool 01 that is connected with described crossbeam 02, electric drive hydraulic thruster 1 with limit switch 1.1, horizontal tooth bar 2, miniature gears 3, axle 4, big gear wheel 5, bottom are installed with the vertical tooth bar 6 of divider, the divider 7 that can swing and limit switch receptor 10 on the described crossbeam 02,0 ° of position (on the circle Q) is equipped with bidirectional buffer 8 and limit switch projector 9 on the crossbeam of described gantry lifting tool 01; Described electric drive hydraulic thruster 1 is connected with described horizontal tooth bar 2, described miniature gears 3 and described horizontal tooth bar 2 engagements, described miniature gears 3 is connected with described big gear wheel 5 by described axle 4, described big gear wheel 5 and described vertical tooth bar 6 engagements, the described divider that swings 7 is installed in below the described crossbeam 02, with respect to described bidirectional buffer 8 places, described limit switch receptor 10 is installed in below the described crossbeam 02, be positioned at the described divider that swings 7 outer edge circumference and by the anglec of rotation 4 groups of totally 10 receptors be set: No. 0 receptor 10.0, No. 1 receptor 10.1, No. 2 receptors 10.2, No. 3 receptors 10.3, No. 4 receptors 10.4, No. 5 receptors 10.5, No. 6 receptors 10.6, No. 7 receptors 10.7, No. 8 receptors 10.8, No. 9 receptors 10.9, described No. 0 receptor 10.0, No. 1 receptor 10.1, No. 4 receptor 10.4 is arranged on 0 ° of position of the anglec of rotation, described No. 2 receptors 10.2, No. 3 receptor 10.3 is arranged on ° position, the anglec of rotation+90, described No. 5 receptors 10.5, No. 6 receptor 10.6 is arranged on the anglec of rotation-90 ° position, described No. 7 receptors 10.7, No. 8 receptors 10.8, No. 9 receptor 10.9 is arranged on ° position, the anglec of rotation ± 180.

As shown in Figure 5, the described divider that swings 7 is comprised of swing span 7.1, little axle 7.2, bearing 7.3, positioning seat 7.4, described bearing 7.3 is fixed on below the described crossbeam 02, and positioning seat 7.4 is installed in described bearing 7.3 both sides, and described swing span 7.1 is hinged by little axle 7.2 and described bearing 7.3.

When hanger twist forward to+180 ° when stopping, the M of bidirectional buffer 8 end works, and forwards-180 ° to when stopping when hanger twist, the N of bidirectional buffer 8 holds and works.

Usually vertical tooth bar 6 is in and mentions state, and the divider 7 that only has this moment ± can swing on 180 ° of positions works.When suspender will be worked in 0 ° to ± 90 ° interval, start electric drive hydraulic thruster 1, push rod 1 (stretching out) promotes horizontal tooth bar 2, laterally tooth bar 2 drives miniature gears 3, miniature gears 3 drives big gear wheels 5 by axle 4, and big gear wheel 5 promotes vertical tooth bar 6 and moves downward, when the center contour (all being on the round Q) of the divider center of vertical tooth bar 6 ends and bidirectional buffer 8, limit switch 1.1 on the electric drive hydraulic thruster 1 sends signal, and push rod 1 quits work.When suspender will be worked in 0 ° to ± 180 ° interval, electric drive hydraulic thruster 1 retraction, by horizontal tooth bar 2, miniature gears 3, axle 4, big gear wheel 5 vertical tooth bar 6 is mentioned, when the divider of vertical tooth bar 6 ends is higher than bidirectional buffer 8, limit switch 1.1 on the electric drive hydraulic thruster 1 sends signal, and push rod 1 quits work.

When suspender was worked in 0 ° to 90 ° interval, electric drive hydraulic thruster 1 and vertical tooth bar 6 all were in the state of stretching out.Suspender turns to 90 ° of processes from 0 °, only have 10.2 and 10.3 to work in the receptor, when 10.2 receive the signal of projector 9, rotating mechanism runs slowly, and 10.3 when receiving the signal of projector 9, and suspender stops the rotation, the M of bidirectional buffer 8 end contacts with the divider of vertical tooth bar 6 ends simultaneously, and under effect of inertia, bidirectional buffer slightly has compression, and amount of compression is determined by adjusting 10.3 position.Turn to 0 ° of reseting procedure from 90 ° at suspender, only have 10.1 and 10.0 to work in the receptor, when 10.1 received the signal of projector 9, rotating mechanism ran slowly, and 10.0 when receiving the signal of projector 9, and suspender stops the rotation.Situation 0 ° to-90 ° interval work is identical with said process, only about on the contrary.

Suspender is when 0 ° to 180 ° interval work, and hydraulic push rod 1 and vertical tooth bar 6 all are in retracted state.Suspender turns to 180 ° of processes from 0 °, only have 10.7 and 10.8 to work in the receptor, when 10.7 receive the signal of projector 9, rotating mechanism runs slowly, and after this M of bidirectional buffer 8 end contacts with the swing span 7.1 of the divider 7 that can swing, and promotion swing span 7.1 swings to the right around axle 7.2, until 10.8 when receiving the signal of projector 9, suspender stops the rotation, and swing span 7.1 contacts with positioning seat 7.4 simultaneously, and swing span 7.1 also stops swinging.Under effect of inertia, bidirectional buffer slightly has compression.Turn to 0 ° of reseting procedure from 180 ° at suspender, only have 10.1 and 10.0 to work in the receptor, when 10.1 received the signal of projector 9, rotating mechanism ran slowly, and 10.0 when receiving the signal of projector 9, and suspender stops the rotation.Situation 0 ° to-180 ° interval work is identical with said process, only about on the contrary.

Claims

1. a gantry lifting tool rotates the control setup of location, comprise: with the crossbeam (02) of rotating mechanism, the gantry lifting tool (01) that is connected with described crossbeam (02), it is characterized in that: the electric drive hydraulic thruster (1) that band limit switch (1.1) is installed on the described crossbeam (02), horizontal tooth bar (2), miniature gears (3), axle (4), big gear wheel (5), the bottom is with the vertical tooth bar (6) of divider, the divider that can swing (7) and limit switch receptor (10) are equipped with bidirectional buffer (8) and limit switch projector (9) on 0 ° of position circle Q on the crossbeam of described gantry lifting tool (01); Described electric drive hydraulic thruster (1) is connected with described horizontal tooth bar (2), described miniature gears (3) and described horizontal tooth bar (2) engagement, described miniature gears (3) is connected with described big gear wheel (5) by described axle (4), described big gear wheel (5) and described vertical tooth bar (6) engagement, the described divider that swings (7) is installed in below the described crossbeam (02), locate with respect to described bidirectional buffer (8), described limit switch receptor (10) is installed in below the described crossbeam (02), be positioned at the described divider that swings (7) outer edge circumference and by the anglec of rotation 4 groups of totally 10 receptors be set: No. 0 receptor (10.0), No. 1 receptor (10.1), No. 2 receptors (10.2), No. 3 receptors (10.3), No. 4 receptors (10.4), No. 5 receptors (10.5), No. 6 receptors (10.6), No. 7 receptors (10.7), No. 8 receptors (10.8), No. 9 receptors (10.9), described No. 0 receptor (10.0), No. 1 receptor (10.1), No. 4 receptors (10.4) are arranged on 0 ° of position of the anglec of rotation, described No. 2 receptors (10.2), No. 3 receptors (10.3) are arranged on ° position, the anglec of rotation+90, described No. 5 receptors (10.5), No. 6 receptors (10.6) are arranged on the anglec of rotation-90 ° position, described No. 7 receptors (10.7), No. 8 receptors (10.8), No. 9 receptors (10.9) are arranged on ° position, the anglec of rotation ± 180.

2. gantry lifting tool according to claim 1 rotates the control setup of location, it is characterized in that: the described divider that swings (7) is comprised of swing span (7.1), little axle (7.2), bearing (7.3), positioning seat (7.4), described bearing (7.3) is fixed on below the described crossbeam (02), positioning seat (7.4) is installed in described bearing (7.3) both sides, and described swing span (7.1) is hinged by little axle (7.2) and described bearing (7.3).