CN216613769U

CN216613769U - Limit ruler limiting device for double-beam bridge crane

Info

Publication number: CN216613769U
Application number: CN202122462652.5U
Authority: CN
Inventors: 王华振; 王光鹏; 马善磊
Original assignee: Shandong Iron and Steel Group Yongfeng Lingang Co Ltd
Current assignee: Shandong Iron and Steel Group Yongfeng Lingang Co Ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-05-27
Anticipated expiration: 2031-10-13

Abstract

The utility model discloses a limiting ruler limiting device for a double-beam bridge crane, which comprises a crane body, a limiting ruler power box and a limiting ruler, wherein a guide rail is arranged on the crane body and is right opposite to the limiting ruler, an automatic lifting support assembly is arranged in the guide rail, and the automatic lifting support assembly correspondingly lifts along with the rotation of the limiting ruler and supports the limiting ruler. According to the utility model, the guide rail, the hydraulic telescopic rod, the telescopic seat, the first hinge rod, the second hinge rod, the rotating shaft and the mounting seat are arranged, the hydraulic telescopic rod is started after the limit ruler is positioned, the telescopic seat is moved to adjust the angle between the first hinge rod and the second hinge rod, so that the mounting seat can limit and support the limit ruler, the external force generated by the swinging of the induction frame and acting on the limit ruler is basically dispersed on the mounting seat, the excessive pressure on the driving end in the limit ruler driving box is avoided, the phenomenon that an internal driving structure is frequently jammed, failed and damaged is avoided, a maintainer does not need to frequently maintain and replace the limit, and the intrinsic safety of equipment is ensured.

Description

Limit ruler limiting device for double-beam bridge crane

Technical Field

The utility model relates to the technical field of cranes, in particular to a limiting ruler limiting device for a double-beam bridge crane.

Background

Coal injection workshop coal canopy bridge crane is at the operation in-process, the spacing response frame of the rising height of hoist is followed the driving and is rocked, the response frame sways the external force that produces and at first acts on high spacing gauge, external force further acts on the inside drive end of limit chi drive case through the gauge, thereby lead to the inside drive end of high limit chi drive case often to be offed the card, failure, damage, maintenance personal need frequent maintenance, it is spacing to change, staff intensity of labour has not only been increased, and increased equipment potential safety hazard, can not guarantee equipment essential safety, in view of this, we provide a two-beam bridge crane with limit chi stop device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a limiting device of a limiting ruler for a double-beam bridge crane.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a two roof beam bridge crane is with spacing chi stop device, includes hoist body, spacing chi headstock and spacing chi, just install the guide rail to spacing chi on the hoist body, install automatic rising supporting component in the guide rail, and automatic rising supporting component rotates corresponding lift and supports it along with spacing chi.

Preferably, the automatic lifting support assembly comprises a hydraulic telescopic rod, a telescopic seat, a first hinged rod, a second hinged rod, a rotating pin and a mounting seat, the hydraulic telescopic rod is fixedly mounted in the guide rail, the free end of the hydraulic telescopic rod is fixedly mounted with the telescopic seat, one end, away from the hydraulic telescopic rod, of the telescopic seat is hinged to the first hinged rod, the second hinged rod is hinged to the inner wall of the guide rail, the mounting seat is arranged between the first hinged rod and the second hinged rod, a rotating shaft penetrates through the mounting seat, and the first hinged rod and the second hinged rod are respectively rotatably mounted at two extending ends of the rotating shaft.

Preferably, a supporting plate is fixedly mounted on the mounting seat, and a buffering air bag is mounted at one side end, far away from the mounting seat, of the supporting plate.

Preferably, be equipped with the installation cavity on the interior jade of guide rail bottom, and be equipped with the mouth that slides in pairs on the installation cavity jade, the balladeur train is installed respectively at flexible seat both ends, and two balladeur trains run through corresponding mouth, two one side fixed mounting that the balladeur train is located the installation cavity has same connecting plate, and fixed mounting has double-end motor on the connecting plate, two outputs of double-end motor are fixed mounting respectively has the lead screw, and threaded sleeve is equipped with the lead screw cover on the lead screw, be equipped with limit slider on the lead screw cover, and be equipped with the spacing spout with the limit slider adaptation on the connecting plate, be equipped with the lead wire mouth that corresponds with the lead screw cover on the balladeur train, and be equipped with the jack that corresponds with the lead screw cover on the installation cavity wall.

Preferably, a driving motor and a hydraulic telescopic rod in the limit ruler power box are connected with the same driving switch.

Preferably, the bottom end of the sliding frame is provided with a ball groove, a ball is arranged in the ball groove, the ball can rotate along the wall of the ball groove, and the ball is arranged on the wall of the bottom cavity of the installation cavity.

Preferably, the balls are distributed at equal intervals in a transverse array along the length direction of the bottom end face of the sliding frame.

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

according to the utility model, the guide rail, the hydraulic telescopic rod, the telescopic seat, the first hinge rod, the second hinge rod, the rotating shaft and the mounting seat are arranged, the hydraulic telescopic rod is started after the limiting ruler is positioned, the telescopic seat is moved to adjust the angle between the first hinge rod and the second hinge rod, so that the mounting seat can limit and support the limiting ruler, the external force generated by the swinging of the induction frame and acting on the limiting ruler is basically dispersed on the mounting seat, the excessive pressure on the driving end in the limiting ruler driving box is avoided, the phenomenon that an internal driving structure is frequently jammed, failed and damaged is avoided, a maintainer does not need to frequently maintain and replace for limiting, the labor intensity of staff is reduced, the potential safety hazard of equipment is greatly reduced, and the intrinsic safety of the equipment is ensured.

Drawings

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

FIG. 1 is a schematic structural diagram of a mounting position of a limiting ruler limiting device for a double-beam bridge crane on the crane;

FIG. 2 is a schematic perspective view of a limiting device of a limiting ruler for a double-beam bridge crane according to the present invention;

FIG. 3 is a schematic sectional view of a limiting device of a limiting ruler for a double-beam bridge crane according to the present invention;

fig. 4 is a schematic side-view sectional structure view of a limiting ruler limiting device for a double-beam bridge crane according to the present invention.

In the figure: 1 crane body, 2 spacing chi headstock, 3 spacing chi, 4 guide rails, 5 hydraulic telescoping rod, 6 flexible seats, 7 first articulated rod, 8 second articulated rod, 9 pivot, 10 mount pads, 11 backup pads, 12 buffering gasbag, 13 balladeur train, 14 connecting plates, 15 double-end motor, 16 lead screws, 17 lead screw covers, 18 spacing slider, 19 ball bearings

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.

Referring to fig. 1-4, the utility model provides a limiting ruler limiting device for a double-beam bridge crane, which comprises a crane body 1, a limiting ruler power box 2 and a limiting ruler 3, wherein a guide rail 4 is arranged on the crane body 1 and is just opposite to the limiting ruler 3, an automatic lifting support assembly is arranged in the guide rail 4, the automatic lifting support assembly correspondingly lifts along with the rotation of the limiting ruler 3 and supports the limiting ruler, the automatic lifting support assembly comprises a hydraulic telescopic rod 5, a telescopic seat 6, a first hinged rod 7, a second hinged rod 8, a rotating pin 9 and a mounting seat 10, the hydraulic telescopic rod 5 is fixedly arranged in the guide rail 4, the telescopic seat 6 is fixedly arranged at the free end of the hydraulic telescopic rod 5, the end of the telescopic seat 6, which is far away from the hydraulic telescopic rod 5, is hinged with the first hinged rod 7, the second hinged rod 8 is hinged on the inner wall of the guide rail 4, the mounting seat 10 is arranged between the first hinged rod 7 and the second hinged rod 8, and the pivot 9 has run through on the mount pad 10, and first articulated arm 7 and second articulated arm 8 rotate respectively and install and extend on the end in pivot 9 two, spacing 3 spacing back, can start hydraulic telescoping rod 5 free end extension, promote flexible seat 6 and remove along guide rail 4, extrude first articulated arm 7, the angle between indirect adjustment first articulated arm 7 and the second articulated arm 8, make mount pad 10 support on spacing chi 3, play the supporting role to spacing chi 3, the external force that the induction bracket sways and produces the effect on spacing chi 3 disperses on mount pad 10 basically, avoid exerting pressure excessively to drive end in the spacing chi drive box 2 like this.

Fixed mounting has backup pad 11 on mount pad 10, and backup pad 11 keeps away from one side end of mount pad 10 and installs buffering gasbag 12, and through establishing backup pad 11 of taking buffering gasbag 12, spacing and adjust buffering gasbag 12 and support on spacing chi 3 when spacing chi 3, to spacing chi 3 plays supporting role, and the induction frame sways and produces the external force that acts on spacing chi 3 and disperse on buffering gasbag 12 basically, and alleviates the shock effect more.

Driving motor and hydraulic telescoping rod 5 in the spacing chi headstock 2 are connected with same drive switch, and spacing chi 3 needs to rotate through the driving motor drive in the spacing chi headstock 2, draws and puts rather than the wire rope of being connected, and the spacing induction frame of adjustment rise is in balanced state, and buffering gasbag 12 can offset with spacing chi 3 all the time, rotates when spacing chi 3 and makes corresponding adjustment buffering gasbag 12 rise simultaneously, makes buffering gasbag 12 carry out spacing support to spacing chi 3 all the time.

In another embodiment, a mounting cavity is arranged on the inner wall of the bottom end of the guide rail 4, paired sliding openings are arranged on the wall of the mounting cavity, sliding carriages 13 are respectively installed at two ends of the telescopic seat 6, the two sliding carriages 13 respectively penetrate through the corresponding sliding openings, ball grooves are arranged at the bottom ends of the sliding carriages 13, balls 19 are arranged in the ball grooves, the balls 19 can rotate along the wall in the ball grooves, the balls 19 are arranged on the wall of the bottom cavity of the mounting cavity, the balls 19 are distributed in a transverse array shape along the length direction of the bottom end face of the sliding carriage 13 at equal intervals, the balls 19 capable of sliding along the wall of the mounting cavity are arranged at the bottom end of the sliding carriage 13, the sliding carriages 13 can be guaranteed to move more smoothly, and jamming caused by overlarge friction force can be avoided.

One side of the two sliding frames 13 in the installation cavity is fixedly provided with the same connecting plate 14, the connecting plate 14 is fixedly provided with a double-head motor 15, two output ends of the double-head motor 15 are respectively and fixedly provided with a screw rod 16, the screw rod 16 is sleeved with a screw rod sleeve 17 in a threaded manner, the screw rod sleeve 17 is provided with a limiting slide block 18, the connecting plate 14 is provided with a limiting slide groove matched with the limiting slide block 18, the sliding frames 13 are provided with guide ports corresponding to the screw rod sleeve 17, the wall of the installation cavity is provided with insertion holes corresponding to the screw rod sleeve 17, after the limiting ruler 3 is limited, the installation seat 10 is abutted against the limiting ruler 3, the double-head motor 15 can be started to enable the two screw rods 16 to rotate, the screw rod sleeve 17 extends out, the screw rod sleeve 17 is inserted into the corresponding insertion hole, thereby limiting the position of the telescopic seat 6, the locking position effect is achieved, the pressure applied to the free end of the hydraulic telescopic rod 5 is guided to the guide rail 4 by the telescopic seat 6, the free end of the hydraulic telescopic rod 5 is protected.

The working principle is as follows: spacing back of spacing chi 3, can start 5 free ends of hydraulic stretching pole and extend, promote flexible seat 6 and remove along guide rail 4, extrude first hinge bar 7, angle between first hinge bar 7 of indirect adjustment and the second hinge bar 8, make mount pad 10 support on spacing chi 3, play the supporting role to spacing chi 3, the response frame sways like this and produces the external force of effect on spacing chi 3 and disperse on mount pad 10 basically, avoid exerting pressure excessively to drive end in the spacing chi drive box 2.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes or modifications may be made by the patentees within the scope of the appended claims, and within the scope of the utility model, as long as they do not exceed the scope of the utility model described in the claims.

Claims

1. The utility model provides a two roof beam bridge crane is with spacing chi stop device, includes hoist body, spacing chi headstock and spacing chi, its characterized in that: the crane is characterized in that a guide rail is arranged on the crane body just opposite to the limit ruler, an automatic lifting supporting assembly is arranged in the guide rail, and the automatic lifting supporting assembly can rotate to correspondingly lift and support the limit ruler according to the limit ruler.

2. The limiting device of claim 1, wherein the limiting device comprises: automatic lift supporting component includes hydraulic telescoping rod, flexible seat, first hinge bar, second hinge bar, rolling pin and mount pad, hydraulic telescoping rod fixed mounting is in the guide rail, and hydraulic telescoping rod free end fixed mounting has flexible seat, the one end that hydraulic telescoping rod was kept away from to flexible seat articulates there is first hinge bar, the second hinge bar articulates on the guide rail inner wall, be equipped with the mount pad between first hinge bar and the second hinge bar, and run through on the mount pad and have the pivot, and first hinge bar and second hinge bar rotate respectively and install and hold in pivot two extensions.

3. The limiting device of claim 2, wherein the limiting device comprises: the mounting seat is fixedly provided with a supporting plate, and a side end, far away from the mounting seat, of the supporting plate is provided with a buffering air bag.

4. The limiting device of claim 2, wherein the limiting device comprises: be equipped with the installation cavity on the interior jade of guide rail bottom, and be equipped with the mouth that slides in pairs on the installation cavity jade, the balladeur train is installed respectively at flexible seat both ends, and two balladeur trains run through corresponding mouth, two one side fixed mounting that the balladeur train is located the installation cavity has same connecting plate, and fixed mounting has double-end motor on the connecting plate, two outputs of double-end motor are fixed mounting respectively has the lead screw, and the thread bush is equipped with the lead screw cover on the lead screw, be equipped with spacing slider on the lead screw cover, and be equipped with the spacing spout with spacing slider adaptation on the connecting plate, be equipped with the lead wire mouth that corresponds with the lead screw cover on the balladeur train, and be equipped with the jack that corresponds with the lead screw cover on the installation cavity wall.

5. The limiting device of claim 4, wherein the limiting device comprises: and the driving motor and the hydraulic telescopic rod in the limit ruler power box are connected with the same driving switch.

6. The limiting device of claim 5, wherein the limiting device comprises: the ball bearing is characterized in that a ball groove is formed in the bottom end of the sliding frame, balls are arranged in the ball groove, the balls can rotate along the inner wall of the ball groove, and the balls are arranged on the wall of the bottom cavity of the installation cavity.

7. The limiting device of claim 6, wherein the limiting device comprises: the balls are distributed in a transverse array shape at equal intervals along the length direction of the bottom end face of the sliding frame.