CN213802635U

CN213802635U - Novel bridge crane with safety brake

Info

Publication number: CN213802635U
Application number: CN202022885392.8U
Authority: CN
Inventors: 蒋思磊; 钟铭; 付利民; 郭通
Original assignee: Huaneng Qinmei Ruijin Power Generation Co Ltd
Current assignee: Huaneng Qinmei Ruijin Power Generation Co Ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-07-27
Anticipated expiration: 2030-12-03

Abstract

The utility model discloses a take safety brake's novel bridge crane, including longmen frame, dead lever, bumper shock absorber and couple, the outside both sides of winder are provided with rejection module, and winder internally mounted has first motor, winder internally mounted has the second motor, and the second motor front end is connected with the planet retarber, be fixed with the reflector on the planet retarber, and the reflector target direction is provided with the rotational speed inductor, be fixed with the brake drum on the bobbin, and the brake drum outside is provided with the brake block, the brake block bottom surface is connected with hydraulic ejector pin, the winding has wire rope on the bobbin, and the wire rope below is connected with the yoke plate. This take safety brake's novel bridge crane is provided with the winder, and the inside planet retarber of accessible winder carries out the speed that goes up and down, prevents motor fault to start brake block and chuck through the rotational speed inductor response if planet retarber trouble can, make the more reliable practicality of device.

Description

Novel bridge crane with safety brake

Technical Field

The utility model relates to a bridge crane technical field specifically is a take safety brake's novel bridge crane.

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.

However, the existing bridge crane is still incomplete in the technology of braking function, and the single braking mode can cause thermal failure in case of emergency, so that the serious consequence of insufficient braking performance can be caused. We therefore propose a new bridge crane with a safety brake in order to solve the problems set out above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take safety brake's novel bridge crane to solve present bridge crane that above-mentioned background art provided and still imperfect to braking function's technique, single braking mode if meet emergency can appear hot failure and lead to the not enough problem of taking place serious consequence of brake performance.

In order to achieve the above object, the utility model provides a following technical scheme: a novel bridge crane with a safety brake comprises a gantry frame, a fixed rod, a shock absorber and a hook, wherein an electromagnet is installed on the inner side surface of the gantry frame, a sliding groove is formed in the bottom surface of the gantry frame, a sliding block is clamped on the sliding groove, a winder is fixed below the sliding block, repelling modules are arranged on two sides of the outer portion of the winder, a first motor is installed inside the winder, a first rotating shaft is fixed to the shaft end of the first motor, a first gear is arranged on the first rotating shaft, a rack is meshed with the tooth surface of the first gear, a second motor is installed inside the winder, a planetary speed reducer is connected to the front end of the second motor, a reflector is fixed on the planetary speed reducer, a rotating speed inductor is arranged in the object direction of the reflector, a winding drum is installed on the fixed rod, a clamping groove is formed in the winding drum, and a chuck is arranged on the right side of the clamping groove, and the chuck right side is connected with electric push rod, be fixed with the brake drum on the bobbin, and the brake drum outside is provided with the brake block, the brake block bottom surface is connected with hydraulic pressure ejector pin, the winding has wire rope on the bobbin, and is connected with the yoke plate below the wire rope, be fixed with the bumper shock absorber in the middle of the yoke plate, and the couple is installed to yoke plate below.

Preferably, the winder forms a moving mechanism under the gantry frame through a first motor, a first rotating shaft, a first gear and a rack, and the winder is fixed with the gantry frame through a chute and a sliding block.

Preferably, the planetary retarder comprises a rotation gear, a revolution gear, a ring gear and a base plate, wherein the tooth surface of the rotation gear is engaged with the revolution gear, the tooth surface of the revolution gear is engaged with the ring gear, and the bottom surface of the revolution gear is fixed with the base plate.

Preferably, the base plate is fixedly connected with the revolving gear, the base plate is fixedly connected with the bobbin, and the base plate forms a rotating mechanism on the planetary retarder through the second motor, the rotation gear, the revolving gear and the ring gear.

Preferably, the chuck forms a telescopic mechanism on the fixed rod through an electric push rod, and the clamping groove is connected with the chuck in a clamping manner.

Preferably, the right flank of brake drum and the right flank of brake block are on same vertical line, and the brake block passes through hydraulic pressure ejector pin and constitutes extending structure in the rolling ware.

Compared with the prior art, the beneficial effects of the utility model are that: this take safety brake's novel bridge crane:

(1) the transverse buffering function can be realized by the repulsion of the electromagnet and the repulsion module, the problem of insufficient braking capacity caused by too high speed is prevented, and the device is more stable;

(2) be provided with the winder, the inside planet retarber of accessible winder carries out the speed that goes up and down, prevents motor fault to start brake block and chuck through the rotational speed inductor response if planet retarber trouble can, make the more reliable practicality of device.

Drawings

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

FIG. 2 is a schematic side sectional view of the present invention;

FIG. 3 is a schematic view of the winder of the present invention;

fig. 4 is the structure schematic diagram of the planetary retarder of the utility model.

In the figure: 1. a gantry frame; 2. an electromagnet; 3. a chute; 4. a slider; 5. a winder; 6. a rejection module; 7. a first motor; 8. a first rotating shaft; 9. a first gear; 10. a rack; 11. a second motor; 12. a planetary retarder; 1201. a rotation gear; 1202. a revolution gear; 1203. a ring gear; 1204. a base plate; 13. a reflector; 14. a rotational speed sensor; 15. fixing the rod; 16. a bobbin; 17. a card slot; 18. a chuck; 19. an electric push rod; 20. a brake drum; 21. a brake pad; 22. a hydraulic ejector rod; 23. a wire rope; 24. a yoke plate; 25. a shock absorber; 26. and (4) hanging hooks.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a novel bridge crane with a safety brake comprises a gantry frame 1, an electromagnet 2, a sliding chute 3, a sliding block 4, a winder 5, a rejection module 6, a first motor 7, a first rotating shaft 8, a first gear 9, a rack 10, a second motor 11, a planetary retarder 12, a reflector 13, a rotating speed inductor 14, a fixed rod 15, a bobbin 16, a clamping groove 17, a chuck 18, an electric push rod 19, a brake drum 20, a brake pad 21, a hydraulic ejector rod 22, a steel wire rope 23, a connecting plate 24, a shock absorber 25 and a hook 26, wherein the electromagnet 2 is installed on the inner side surface of the gantry frame 1, the sliding chute 3 is formed in the bottom surface of the gantry frame 1, the sliding block 4 is clamped on the sliding chute 3, the winder 5 is fixed below the sliding block 4, the rejection module 6 is arranged on two outer sides of the winder 5, the first motor 7 is installed inside the winder 5, the first rotating shaft 8 is fixed at the end of the first motor 7, and a first gear 9 is arranged on the first rotating shaft 8, a rack 10 is meshed with the tooth surface of the first gear 9, a second motor 11 is arranged inside the winder 5, the front end of the second motor 11 is connected with a planetary retarder 12, a reflector 13 is fixed on the planetary retarder 12, a rotating speed inductor 14 is arranged in the object direction of the reflector 13, a bobbin 16 is arranged on a fixed rod 15, a clamping groove 17 is formed in the bobbin 16, a clamping chuck 18 is arranged on the right side of the clamping groove 17, an electric push rod 19 is connected to the right side of the clamping chuck 18, a brake drum 20 is fixed on the bobbin 16, a brake pad 21 is arranged on the outer side of the brake drum 20, a hydraulic ejector rod 22 is connected to the bottom surface of the brake pad 21, a steel wire rope 23 is wound on the bobbin 16, a coupling plate 24 is connected to the lower side of the steel wire rope 23, a shock absorber 25 is fixed in the middle of the coupling plate 24, and a hook 26 is arranged below the coupling plate 24.

The winder 5 forms a moving mechanism under the gantry frame 1 through a first motor 7, a first rotating shaft 8, a first gear 9 and a rack 10, and the winder 5 is fixed with the gantry frame 1 through a chute 3 and a sliding block 4, so that the function of moving left and right is realized.

The planetary retarder 12 includes a rotation gear 1201, a revolution gear 1202, a ring gear 1203, and a base plate 1204, the rotation gear 1201 is tooth-meshed with the revolution gear 1202, the revolution gear 1202 is tooth-meshed with the ring gear 1203, and the base plate 1204 is fixed to the bottom surface of the revolution gear 1202, preventing the internal power device from malfunctioning and causing no traction force.

The base plate 1204 and the revolving gear 1202 are fixedly connected, the base plate 1204 and the bobbin 16 are fixedly connected, and the base plate 1204 forms a rotating mechanism on the planetary retarder 12 through the second motor 11, the rotation gear 1201, the revolving gear 1202 and the ring gear 1203, so that the device is more stable.

The chuck 18 forms a telescopic mechanism on the fixing rod 15 through an electric push rod 19, and the connection mode between the clamping groove 17 and the chuck 18 is clamping connection, so that the brake can be effectively applied in an emergency situation.

The right flank of brake drum 20 and the right flank of brake block 21 are on same vertical line, and brake block 21 passes through hydraulic ram 22 and constitutes extending structure in retractor 5, prevents that traction force is not enough more stable.

The working principle is as follows: when using this take safety brake's novel bridge crane, at first, when moving the winder 5 about, thereby start first motor 7 earlier and rotate the removal function that the first gear 9 meshing rack 10 on the first pivot 8 realized the winder 5, start electromagnet 2 and reject module 6 on the winder 5 and carry out the speed reduction buffering with the winder 5, the electric current that the distance is more nearly electromagnet 2 is less to realize safety brake at last.

Then if want to descend couple 26, start second motor 11 and rotate planetary retarder 12 and drive reel 16 and pay off, and install bumper shock absorber 25 in the middle of yoke plate 24 on couple 26, it leads to the cable tolerance not enough to prevent to receive the line when the atress is too big when rising and falling, at last when receiving the line, reverse second motor 11 can be withdrawed, if meet planetary retarder 12 and lead to the hoist not have traction force when breaking down, reflector 13 on planetary retarder 12 can rotate fast this moment, through the response of rotational speed inductor 14, later start hydraulic ejector pin 22 and impel brake block 21 with brake drum 20 friction speed reduction, start electric push rod 19 after the speed slows down and impel chuck 18 in draw-in groove 17 and carry out the block and fix and accomplish emergency braking, more stable and safety, this is whole work flow. And those not described in detail in this specification are well within the skill of those in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a take safety brake's novel bridge crane, includes gantry frame (1), dead lever (15), bumper shock absorber (25) and couple (26), its characterized in that: the electromagnetic speed reducer is characterized in that an electromagnet (2) is installed on the inner side face of the gantry frame (1), a sliding chute (3) is formed in the bottom face of the gantry frame (1), a sliding block (4) is clamped on the sliding chute (3), a winder (5) is fixed below the sliding block (4), repelling modules (6) are arranged on two sides of the outer portion of the winder (5), a first motor (7) is installed inside the winder (5), a first rotating shaft (8) is fixed at the shaft end of the first motor (7), a first gear (9) is arranged on the first rotating shaft (8), a rack (10) is meshed with the tooth surface of the first gear (9), a second motor (11) is installed inside the winder (5), the front end of the second motor (11) is connected with a planetary speed reducer (12), a reflector (13) is fixed on the planetary speed reducer (12), and a rotating speed sensor (14) is arranged in the object direction of the reflector (13), install bobbin (16) on dead lever (15), and seted up draw-in groove (17) on bobbin (16), draw-in groove (17) right side is provided with chuck (18), and chuck (18) right side is connected with electric putter (19), be fixed with brake drum (20) on bobbin (16), and brake drum (20) outside is provided with brake block (21), brake block (21) bottom surface is connected with hydraulic ram (22), the winding has wire rope (23) on bobbin (16), and wire rope (23) below is connected with yoke plate (24), be fixed with bumper shock absorber (25) in the middle of yoke plate (24), and couple (26) are installed to yoke plate (24) below.

2. The novel bridge crane with the safety brake as claimed in claim 1, wherein: the winder (5) forms a moving mechanism under the gantry frame (1) through a first motor (7), a first rotating shaft (8), a first gear (9) and a rack (10), and the winder (5) is fixed with the gantry frame (1) through a sliding groove (3) and a sliding block (4).

3. The novel bridge crane with the safety brake as claimed in claim 1, wherein: the planetary retarder (12) comprises a rotation gear (1201), a revolution gear (1202), a ring gear (1203) and a base plate (1204), wherein the tooth surface of the rotation gear (1201) is meshed with the revolution gear (1202), the tooth surface of the revolution gear (1202) is meshed with the ring gear (1203), and the base plate (1204) is fixed to the bottom surface of the revolution gear (1202).

4. The novel bridge crane with the safety brake as claimed in claim 3, wherein: the base plate (1204) is fixedly connected with the revolving gear (1202), the base plate (1204) is fixedly connected with the bobbin (16), and the base plate (1204) forms a rotating mechanism on the planetary retarder (12) through the second motor (11), the rotation gear (1201), the revolving gear (1202) and the ring gear (1203).

5. The novel bridge crane with the safety brake as claimed in claim 1, wherein: the chuck (18) forms a telescopic mechanism on the fixed rod (15) through an electric push rod (19), and the clamping groove (17) is connected with the chuck (18) in a clamping manner.

6. The novel bridge crane with the safety brake as claimed in claim 1, wherein: the right flank of brake drum (20) and the right flank of brake block (21) are on same vertical line, and brake block (21) pass through hydraulic pressure ejector pin (22) and constitute extending structure in winder (5).