CN215886101U

CN215886101U - Novel portal crane

Info

Publication number: CN215886101U
Application number: CN202122380300.5U
Authority: CN
Inventors: 高崇帅; 程洪涛; 王超琦; 李力伟
Original assignee: Henan Lifute Hoisting And Conveying Machinery Co ltd
Current assignee: Henan Lifute Hoisting And Conveying Machinery Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-02-22
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a novel portal bridge crane, which relates to the technical field of cranes and comprises a tripod and a cross beam, wherein the top of the cross beam is fixedly connected with a slide rail, the middle part of the slide rail is slidably clamped with a movable box, and the top of the movable box is fixedly connected with a telescopic rod through a mounting plate. According to the utility model, by arranging the parallel light plates, when a container is hoisted, the movable box can be moved to the edge of the container, the parallel light plates are moved to the position above the corner position of the container by the extension of the telescopic rod, and under the irradiation of the laser pen, the corners of the container can form projections on the ground, so that the purpose of avoiding the need of adjustment when the container falls down is achieved.

Description

Novel portal crane

Technical Field

The utility model relates to the technical field of cranes, in particular to a novel portal crane.

Background

The portal crane is mainly used for loading and unloading outdoor goods yards, stockyards and bulk goods. The portal crane has the characteristics of high site utilization rate, large operation range, wide application range, strong universality and the like, and is widely used in port goods yards. The metal structure of the device is like a door-shaped frame, two support legs are arranged under a bearing main beam and can directly walk on a track on the ground, and overhanging cantilever beams can be arranged at the two ends of the main beam. A gantry crane (also called a gantry crane) is a bridge crane in which a bridge is supported on a ground rail by legs at both sides. Structurally, the crane consists of a portal frame, a cart running mechanism, a hoisting trolley, an electric part and the like. Some gantry cranes have legs on one side only, and the other side is supported on a factory or a trestle to run, and are called semi-gantry cranes. According to different main beam structures, the structure can be divided into two forms of box beams and trusses.

At present, the height of ceiling need be considered when using to current indoor bridge crane, when the support of hoist removes, if the height of ceiling changes, will make and bump between the top of hoist and the ceiling, very danger, and when using hoist and mount packing box, need with the accurate assigned position of putting of packing box, if can not stop with position adjustment before the cantilever beam, still be continuous when the packing box descends and adjust, very influence efficiency.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a novel portal crane, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the lifting device comprises a tripod and a cross beam, wherein the top of the cross beam is fixedly connected with a slide rail, the middle part of the slide rail is slidably clamped and connected with a moving box, the top of the moving box is fixedly connected with a telescopic rod through a mounting plate, the movable end of the telescopic rod is fixedly connected with a parallel light plate, the bottom of the parallel light plate is fixedly connected with a laser pen, the inner top wall of the hoisting box is fixedly connected with a moving motor through a motor frame, the output shaft of the moving motor is connected with a moving gear in a key mode, and the top of the slide rail is provided with a rack matched with the moving gear; fixedly connected with a lift section of thick bamboo in the middle of the top of tripod, it has the lifter to peg graft in the inside of a lift section of thick bamboo, the top of lifter and the both ends fixed connection of crossbeam, the shoulder hole has been seted up to the lateral wall of a lift section of thick bamboo, peg graft in the inside of shoulder hole have with the bearing plate of lifter looks adaptation, the inner wall of a lift section of thick bamboo has the cable drum through bearing swing joint, the side of cable drum is provided with the wire cable, the interior roof fixedly connected with fixed pulley of a lift section of thick bamboo, the bottom side fixedly connected with of lifter links the becket bridle, the side of fixed pulley is walked around at the middle part of wire cable, the tip and the becket bridle fixed connection of wire cable.

Optionally, the number of the stepped holes is equal to that of the side walls of the lifting cylinder.

Optionally, the outer side surface of the lifting cylinder is fixedly connected with a gear box, the top of the gear box is fixedly connected with a lifting motor, and the rope disc is in transmission connection with an output shaft of the gear box.

Optionally, the two ends of the bottom of the tripod are both movably connected with moving wheels through pin shafts, and the moving wheels are symmetrically arranged at the two ends of the bottom of the tripod.

Optionally, a hoisting box is movably connected in the middle of the bottom of the cross beam, and a hoisting rope is arranged at the bottom of the hoisting box.

Optionally, the laser pens are distributed in a rectangular array at the bottom of the parallel light plate.

Three beneficial effects

The utility model provides a novel portal crane, which has the following beneficial effects:

1. this novel portal crane through setting up parallel worn-out fur, when hoist the packing box, can utilize the edge that removes the packing box, removes the top of packing box border angle position with parallel worn-out fur through the extension of telescopic link, under shining of laser pen, can make the corner of packing box form the projection on the ground to reach the purpose that needs the adjustment when avoiding the packing box to fall.

2. This novel gantry crane through setting up the cable drum, can utilize the cable drum to the steel wire cable withdraw the high change that makes the lifter, utilizes the bearing plate to support the bottom of lifter simultaneously, can make the crossbeam stop at different heights under the restriction of shoulder hole, reaches the purpose that adapts to different warehouse indoor environment.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 at A according to the present invention;

FIG. 3 is a schematic sectional view of the hoist case according to the present invention;

FIG. 4 is a schematic cross-sectional view of the lift cylinder of the present invention.

In the figure: 1. a moving wheel; 2. a tripod; 3. a bearing plate; 4. a stepped hole; 5. a lifting cylinder; 6. a lifting rod; 7. a cross beam; 8. a slide rail; 9. a parallel light plate; 10. a telescopic rod; 11. mounting a plate; 12. a mobile box; 13. a hoisting box; 14. a lifting motor; 15. a gear case; 16. a laser pen; 17. a motor frame; 18. a moving motor; 19. a moving gear; 20. a rope connecting ring; 21. a rope reel; 22. a wire rope; 23. and a fixed pulley.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: a novel portal crane comprises a tripod 2 and a beam 7, wherein both ends of the bottom of the tripod 2 are movably connected with moving wheels 1 through pin shafts, the moving wheels 1 are symmetrically arranged at both ends of the bottom of the tripod 2, the middle of the bottom of the beam 7 is movably connected with a hoisting box 13, the bottom of the hoisting box 13 is provided with hoisting ropes, the top of the beam 7 is fixedly connected with a slide rail 8, the middle part of the slide rail 8 is slidably connected with a moving box 12, the top of the moving box 12 is fixedly connected with a telescopic rod 10 through a mounting plate 11, the movable end of the telescopic rod 10 is fixedly connected with a parallel light plate 9, the bottom of the parallel light plate 9 is fixedly connected with laser pens 16, the laser pens 16 are provided with a plurality of laser pens 16, the laser pens 16 are distributed in a rectangular array at the bottom of the parallel light plate 9, the inner top wall of the hoisting box 13 is fixedly connected with a moving motor 18 through a motor frame 17, and the output shaft of the moving motor 18 is in key connection with a moving gear 19, the top of the slide rail 8 is provided with a rack matched with the movable gear 19; a lifting cylinder 5 is fixedly connected in the middle of the top of the tripod 2, a lifting rod 6 is inserted in the lifting cylinder 5, the top of the lifting rod 6 is fixedly connected with two ends of a cross beam 7, a stepped hole 4 is formed in the side wall of the lifting cylinder 5, a bearing plate 3 matched with the lifting rod 6 is inserted in the stepped hole 4, a plurality of stepped holes 4 are formed in the side wall of the lifting cylinder 5 at equal intervals, a rope disc 21 is movably connected to the inner wall of the lifting cylinder 5 through a bearing, a steel wire 22 is arranged on the side surface of the rope disc 21, a fixed pulley 23 is fixedly connected to the inner top wall of the lifting cylinder 5, a connecting rope ring 20 is fixedly connected to the bottom side surface of the lifting rod 6, the middle part of the steel wire 22 bypasses the side surface of the fixed pulley 23, the end part of the steel wire 22 is fixedly connected with the connecting rope ring 20, a gear box 15 is fixedly connected to the outer side surface of the lifting cylinder 5, and a lifting motor 14 is fixedly connected to the top of the gear box 15, the rope reel 21 is in driving connection with the output shaft of the gear box 15.

When the height of the cross beam 7 is adjusted, firstly, the steel wire rope 22 is driven by the power of the lifting motor 14 to be retracted, the position of the lifting rod 6 is lifted under the action of the tensile force of the steel wire rope 22, after the bearing plate 3 is pulled out, the height of the lifting rod 6 can be lifted by the lifting motor 14, after the preset height is reached, the lifting motor 14 is inserted into the proper stepped hole 4, the power of the motor frame 17 is cut off, so that the lifting rod 6 falls on the bearing plate 3, when a container is lifted and put down, the bearing plate 3 drives the movable gear 19 to rotate, so that the movable box 12 moves on the slide rails 8 and the telescopic rods 10 are adjusted, the number of the parallel light plates 9 is four, after the four parallel light plates 9 are simultaneously positioned above the four corners of the container, the light emitted by the laser pen 16 forms a projection on the ground to the corner position of the container, after the projection position is adjusted, the container can be put down smoothly, and the container does not need to be adjusted when falling down.

In conclusion, this device is through setting up parallel worn-out fur 9, when hoist the packing box, can utilize the removal case 12 to remove the edge of packing box, the extension through telescopic link 10 with parallel worn-out fur 9 remove the top of packing box edge angle position, under the irradiation of laser pen 16, can make the corner of packing box form the projection on the ground, thereby reach the purpose that needs the adjustment when avoiding the packing box to fall, through setting up cable drum 21, can utilize cable drum 21 to make the change of height of lifter 6 to retrieving of wire rope 22, utilize bearing plate 3 to support the bottom of lifter 6 simultaneously, can make crossbeam 7 stop at different heights under the restriction of shoulder hole 4, reach the purpose that adapts to different warehouse indoor environment.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A novel portal crane comprises a tripod (2) and a beam (7), and is characterized in that: the top of the cross beam (7) is fixedly connected with a slide rail (8), the middle of the slide rail (8) is slidably clamped with a movable box (12), the top of the movable box (12) is fixedly connected with a telescopic rod (10) through a mounting plate (11), the movable end of the telescopic rod (10) is fixedly connected with a parallel light plate (9), the bottom of the parallel light plate (9) is fixedly connected with a laser pen (16), the middle of the bottom of the cross beam (7) is movably connected with a hoisting box (13), the bottom of the hoisting box (13) is provided with a hoisting rope, the inner top wall of the hoisting box (13) is fixedly connected with a movable motor (18) through a motor frame (17), an output shaft of the movable motor (18) is connected with a movable gear (19) in a key mode, and the top of the slide rail (8) is provided with a rack matched with the movable gear (19); a lifting cylinder (5) is fixedly connected in the middle of the top of the tripod (2), a lifting rod (6) is inserted in the lifting cylinder (5), the top of the lifting rod (6) is fixedly connected with the two ends of the cross beam (7), the side wall of the lifting cylinder (5) is provided with a stepped hole (4), a bearing plate (3) matched with the lifting rod (6) is inserted in the stepped hole (4), the inner wall of the lifting cylinder (5) is movably connected with a rope disc (21) through a bearing, a steel wire rope (22) is arranged on the side surface of the rope disc (21), a fixed pulley (23) is fixedly connected with the inner top wall of the lifting cylinder (5), the side surface of the bottom of the lifting rod (6) is fixedly connected with a rope connecting ring (20), the middle part of the steel wire rope (22) winds around the side surface of the fixed pulley (23), and the end part of the steel wire rope (22) is fixedly connected with the rope connecting ring (20).

2. The novel gantry crane according to claim 1, wherein: the plurality of stepped holes (4) are formed in the side wall of the lifting cylinder (5) at equal intervals, and the plurality of stepped holes (4) are formed in the side wall of the lifting cylinder (5).

3. The novel gantry crane according to claim 1, wherein: the outer side surface of the lifting cylinder (5) is fixedly connected with a gear box (15), the top of the gear box (15) is fixedly connected with a lifting motor (14), and the rope disc (21) is in transmission connection with an output shaft of the gear box (15).

4. The novel gantry crane according to claim 1, wherein: the movable wheel is characterized in that the two ends of the bottom of the tripod (2) are both movably connected with movable wheels (1) through pin shafts, and the movable wheels (1) are symmetrically arranged at the two ends of the bottom of the tripod (2).

5. The novel gantry crane according to claim 1, wherein: the laser pens (16) are arranged in a plurality of rectangular arrays at the bottoms of the parallel light plates (9).