CN218261665U

CN218261665U - Crane for automatic operation

Info

Publication number: CN218261665U
Application number: CN202222538116.3U
Authority: CN
Inventors: 赵玉霞; 付海凤
Original assignee: Henan Yuzhong Lift Group Co ltd
Current assignee: Henan Yuzhong Lift Group Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-01-10
Anticipated expiration: 2032-09-23

Abstract

The utility model discloses a hoist for automated operation relates to hoist technical field, specifically is a hoist for automated operation, including girder and transfinite case, first through-hole has been seted up to the inside of transfinite case, the inside sliding connection of first through-hole has the connecting rack. This a hoist for automated operation, through first spring, the second spring, transfinite the case, the cooperation setting of gear and connecting rack, in the use, when the goods hangs and lifts by crane on the couple, under the effect of gravity, the couple can move down, extrude the second spring, simultaneously under the effect of gear, make connecting rack and transfinite the case and carry out the relative slip, can stretch first spring, when goods gravity is too big when exceeding the elasticity of spring, the stripper plate on the connecting rack can contact pressure sensors, and then signals of telecommunication, use stopping when using simultaneously, thereby the effect of transfinite the protection has been played.

Description

Crane for automatic operation

Technical Field

The utility model relates to a hoist technical field specifically is a hoist for automated operation.

Background

The cranes have certain rated load weight, when the weight of the goods lifted by the cranes exceeds the rated load weight, namely, when the cranes run in overload, accidents such as steel wire rope breakage, motor burnout, brake system failure and even casualties occur, on one hand, the accidents ensure that the workshop safety production is difficult to guarantee, on the other hand, the running cost of the cranes is also increased due to frequent part replacement, and therefore, the cranes are required to be provided with corresponding overload protection devices.

The existing overload protection device mostly operates by utilizing parts such as multiple chips, but the structure of the overload protection device is complex, the cost is high, meanwhile, the existing bridge crane does not have an anti-collision function, an electric hoist on the bridge crane possibly collides an end beam in the process of transferring materials, safety accidents are generated, and the normal use of the crane is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a hoist for automated operation has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a hoist for automated operation, includes girder and transfinite case, first through-hole has been seted up to the inside of transfinite case, the inside sliding connection of first through-hole has connecting rack, connecting rack's upper end is provided with the connection roof, the lower surface of connecting the roof is provided with first spring, the one end setting of first spring is on the interior diapire of transfinite case, first spring cup joints on connecting rack's surface, connecting rack's lower extreme is provided with the stripper plate, transfinite case's lower surface is provided with pressure sensors, pressure sensors and stripper plate adaptation, the mounting groove has been seted up to the inside of transfinite case, the inside of mounting groove is provided with first axostylus axostyle, the surface of first axostylus axostyle rotates and is connected with the connecting gear, the surface meshing of connecting gear has the regulation rack, one side of adjusting rack is provided with the couple, connecting rack and connecting gear intermeshing.

Optionally, the upper end of couple is provided with the connecting plate, the lower extreme of connecting plate is provided with the slide bar, slide bar sliding connection is in the inside of transfinite case, the one end of slide bar is provided with spacing dish, the surface of connecting plate is provided with the second spring, the one end setting of second spring is on the inner wall of transfinite case.

Optionally, a supporting plate is arranged on the lower surface of the main beam, a connecting chute is formed in the supporting plate, a guide rod is connected to the inside of the connecting chute in a sliding mode, a connecting block is connected to the outer surface of the guide rod in a sliding mode, a third spring is arranged inside the connecting chute, and one end of the third spring is arranged on the connecting block.

Optionally, the connecting block is connected with a connecting rod in a rotating mode, one end of the connecting rod is connected with a fixing block in a rotating mode, and a buffer plate is arranged at one end of the fixing block.

Optionally, the surface of buffer board is provided with the bracing piece, bracing piece sliding connection is in the inside of backup pad, the surface of buffer board is provided with the fourth spring, the one end setting of fourth spring is in the backup pad.

Optionally, the outer surface of the main beam is connected with a walking trolley in a rolling manner, the lower end of the walking trolley is provided with a connecting seat, the lower end of the connecting seat is provided with an electric hoist, and one end of an electric hoist steel cable is arranged on the connecting top plate.

(III) advantageous effects

The utility model provides a hoist for automated operation possesses following beneficial effect:

1. this a hoist for automated operation, through first spring, the second spring, transfinite the case, the cooperation setting of gear and connecting rack, in the use, when the goods hangs and lifts by crane on the couple, under the effect of gravity, the couple can move down, extrude the second spring, simultaneously under the effect of gear, make connecting rack and transfinite the case and carry out the relative slip, can stretch first spring, when goods gravity is too big when exceeding the elasticity of spring, the stripper plate on the connecting rack can contact pressure sensors, and then signals of telecommunication, use stopping when using simultaneously, thereby the effect of transfinite the protection has been played.

2. This a hoist for automated operation, through the backup pad, the buffer board, the cooperation setting of third spring and fourth spring, in the in-process of using, when electric hoist and walking dolly move, when the walking dolly moves to both ends, can contact the buffer board, and then the extrusion connecting rod, make the connecting rod rotate, extrude the third spring, make the bracing piece slide simultaneously, extrude the fourth spring, under the spring action of third spring and fourth spring, reduce the impact of walking dolly to the end beam, thereby the effect of protection hoist has been played.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the front view of the overrun box of the present invention;

FIG. 3 is a schematic diagram of a side view of the overrun box of the present invention;

fig. 4 is a schematic view of the internal structure of the support plate of the present invention;

fig. 5 is a schematic three-dimensional structure of the present invention.

In the figure: 1. a main beam; 2. an overrun box; 3. connecting the racks; 4. connecting the top plate; 5. a first spring; 6. a pressing plate; 7. a pressure sensor; 8. a connecting gear; 9. adjusting the rack; 10. hooking; 11. a connecting plate; 12. a second spring; 13. a support plate; 14. a third spring; 15. a connecting rod; 16. a buffer plate; 17. a support bar; 18. a fourth spring; 19. a walking trolley; 20. an electric hoist.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Referring to fig. 1 to 5, the present invention provides a technical solution: a crane for automatic operation comprises a main beam 1 and an overrun box 2, wherein a supporting plate 13 is arranged on the lower surface of the main beam 1, a connecting sliding groove is formed in the supporting plate 13, a guide rod is slidably connected to the inside of the connecting sliding groove, a connecting block is slidably connected to the outer surface of the guide rod, a third spring 14 is arranged in the connecting sliding groove, one end of the third spring 14 is arranged on the connecting block, a connecting rod 15 is rotatably connected to the inside of the connecting block, a fixed block is rotatably connected to one end of the connecting rod 15, a buffer plate 16 is arranged at one end of the fixed block, a supporting rod 17 is arranged on the outer surface of the buffer plate 16, the supporting rod 17 is slidably connected to the inside of the supporting plate 13, a fourth spring 18 is arranged on the outer surface of the buffer plate 16, one end of the fourth spring 18 is arranged on the supporting plate 13, and the supporting plate 13, the buffer plate 16, the third spring 14 and the fourth spring 18 are arranged in a matched mode, in the using process, when the electric hoist 20 and the traveling trolley 19 move, when the traveling trolley 19 moves to two ends, the electric hoist contacts the buffer plate 16 and further extrudes the connecting rod 15 to enable the connecting rod 15 to rotate to extrude the third spring 14 and enable the supporting rod 17 to slide to extrude the fourth spring 18, under the elastic force action of the third spring 14 and the fourth spring 18, the impact of the traveling trolley 19 on an end beam is reduced, so that the crane is protected, a first through hole is formed in the overrun box 2, the connecting rack 3 is connected in the first through hole in a sliding mode, the upper end of the connecting rack 3 is provided with a connecting top plate 4, the lower surface of the connecting top plate 4 is provided with a first spring 5, one end of the first spring 5 is arranged on the inner bottom wall of the overrun box 2, the first spring 5 is sleeved on the outer surface of the connecting rack 3, the lower end of the connecting rack 3 is provided with an extrusion plate 6, the lower surface of the overrun box 2 is provided with a pressure sensor 7, the pressure sensor 7 is matched with the extrusion plate 6, the inside of the overrun box 2 is provided with a mounting groove, the inside of the mounting groove is provided with a first shaft rod, the outer surface of the first shaft rod is rotatably connected with a connecting gear 8, the outer surface of the connecting gear 8 is meshed with an adjusting rack 9, one side of the adjusting rack 9 is provided with a hook 10, the upper end of the hook 10 is provided with a connecting plate 11, the lower end of the connecting plate 11 is provided with a slide rod which is connected inside the overrun box 2 in a sliding manner, one end of the slide rod is provided with a limiting disc, the outer surface of the connecting plate 11 is provided with a second spring 12, one end of the second spring 12 is arranged on the inner wall of the overrun box 2, the connecting rack 3 is mutually meshed with the connecting gear 8, and the outer surface of the main beam 1 is connected with a walking trolley 19 in a rolling manner, the lower extreme of walking dolly 19 is provided with the connecting seat, the lower extreme of connecting seat is provided with electric hoist 20, the one end setting of 20 cable wires of electric hoist is on connecting roof 4, through first spring 5, second spring 12, transfinite case 2, the cooperation setting of gear and connecting rack 3, in the use, when the goods hangs on couple 10 and lifts by crane, under the effect of gravity, couple 10 can move down, extrude second spring 12, simultaneously under the effect of gear, make connecting rack 3 and transfinite case 2 carry out the relative slip, can tensile first spring 5, when goods gravity is too big when exceeding the elasticity of spring, stripper plate 6 on the connecting rack 3 can contact pressure sensors 7, and then send electric signal, the while is used and is stopped using, thereby the effect of transfinite protection has been played.

When the crane is used, when goods are hung on the hook 10 to be lifted, the hook 10 moves downwards under the action of gravity to extrude the second spring 12, the connecting rack 3 and the overrun box 2 slide relatively under the action of the gear to stretch the first spring 5, when the gravity of the goods exceeds the elastic force of the first spring 5 and the second spring 12, the extrusion plate 6 on the connecting rack 3 contacts the pressure sensor 7 to send out an electric signal, and the crane stops being used when being used, so that the overrun protection effect is achieved, meanwhile, when the electric hoist 20 and the walking trolley 19 move in the using process, when the walking trolley 19 moves to two ends, the impact of the walking trolley 19 on an end beam is reduced, the connecting rod 15 is extruded to rotate, the third spring 14 is extruded, the supporting rod 17 slides to extrude the fourth spring 18, and the impact of the walking trolley 19 on the end beam is reduced under the elastic force of the third spring 14 and the fourth spring 18, so that the crane is protected.

The utility model discloses a theory of operation and beneficial effect: this a hoist for automation mechanized operation, through first spring 5, second spring 12, transfinite case 2, the cooperation setting of gear and connecting rack 3, in the in-process of using, when the goods hangs and lifts by crane on couple 10, under the effect of gravity, couple 10 can move down, extrude second spring 12, simultaneously under the effect of gear, make connecting rack 3 and transfinite case 2 carry out relative slip, can stretch first spring 5, when goods gravity exceedes the elasticity of spring greatly, stripper plate 6 on the connecting rack 3 can contact pressure sensors 7, and then send the signal of telecommunication, stop using when using simultaneously, thereby the effect of transfinite protection has been played, through backup pad 13, buffer plate 16, the cooperation setting of third spring 14 and fourth spring 18, in the in-process of using, when electric hoist 20 and walking dolly 19 move, when walking dolly 19 moves to both ends, can contact buffer plate 16, and then extrude connecting rod 15, make connecting rod 15 rotate, extrude third spring 14, make the bracing piece 17, make the spring 18 slide to the effect of fourth spring, thereby the effect of protecting trolley 18 has been reduced to the dolly impact of the walking of spring under the effect of fourth spring, thereby the effect of the impact of the hoist.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A hoist for automated operation, includes girder (1) and transfinite case (2), its characterized in that: the inner part of the overrun box (2) is provided with a first through hole, the inner part of the first through hole is connected with a connecting rack (3) in a sliding mode, the upper end of the connecting rack (3) is provided with a connecting top plate (4), the lower surface of the connecting top plate (4) is provided with a first spring (5), one end of the first spring (5) is arranged on the inner bottom wall of the overrun box (2), the first spring (5) is sleeved on the outer surface of the connecting rack (3), the lower end of the connecting rack (3) is provided with an extrusion plate (6), the lower surface of the overrun box (2) is provided with a pressure sensor (7), the pressure sensor (7) is matched with the extrusion plate (6), a mounting groove is formed in the overrun box (2), a first shaft rod is arranged in the mounting groove, the outer surface of the first shaft rod is connected with a connecting gear (8) in a rotating mode, an adjusting rack (9) is meshed with the outer surface of the connecting gear (8), a hook (10) is arranged on one side of the adjusting rack (9), and the connecting rack (3) is meshed with the connecting gear (8).

2. A crane for automated operations according to claim 1, characterized in that: the upper end of couple (10) is provided with connecting plate (11), the lower extreme of connecting plate (11) is provided with the slide bar, slide bar sliding connection is in the inside of transfinite case (2), the one end of slide bar is provided with spacing dish, the surface of connecting plate (11) is provided with second spring (12), the one end setting of second spring (12) is on the inner wall of transfinite case (2).

3. A crane for automated operations according to claim 1, characterized in that: the lower surface of girder (1) is provided with backup pad (13), the inside of backup pad (13) has been seted up and has been connected the spout, the inside sliding connection who connects the spout has the guide bar, the surface sliding connection of guide bar has the connecting block, the inside of connecting the spout is provided with third spring (14), the one end setting of third spring (14) is on the connecting block.

4. A crane for automated operations according to claim 3, characterized in that: the inside of connecting block rotates and is connected with connecting rod (15), the one end of connecting rod (15) rotates and is connected with the fixed block, the one end of fixed block is provided with buffer board (16).

5. A crane for automated operations according to claim 4, characterized in that: the surface of buffer board (16) is provided with bracing piece (17), bracing piece (17) sliding connection is in the inside of backup pad (13), the surface of buffer board (16) is provided with fourth spring (18), the one end setting of fourth spring (18) is on backup pad (13).

6. A crane for automated operations according to claim 1, characterized in that: the outer surface roll connection of girder (1) has walking dolly (19), the lower extreme of walking dolly (19) is provided with the connecting seat, the lower extreme of connecting seat is provided with electric hoist (20), the one end setting of electric hoist (20) cable wire is on connecting roof (4).