CN217947411U

CN217947411U - Container carrying double-beam bridge crane

Info

Publication number: CN217947411U
Application number: CN202221950385.4U
Authority: CN
Inventors: 夏崇汉; 槐运锋; 徐龙俊
Original assignee: Ledwork Intelligent Equipment Technology Jiangsu Co ltd
Current assignee: Ledwork Intelligent Equipment Technology Jiangsu Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2022-12-02
Anticipated expiration: 2032-07-27

Abstract

The utility model belongs to the technical field of the hoist, concretely relates to container delivery double-beam bridge crane, including trolley frame, hoist, still including the reel hoisting assembly and the hoist that install the bisymmetry setting on the trolley frame put on the shelf, reel hoisting assembly includes: the lifting device comprises a winding drum, an upper pulley arranged on a lifting appliance, and a first reversing wheel and a second reversing wheel which are arranged on a trolley frame and are positioned below the upper pulley in parallel; one end of the steel wire rope is wound on the winding drum, then downwards winds around the lower pulley, upwards winds around the second reversing wheel, then winds around the first reversing wheel, and then winds around the upper pulley, and then the other end of the steel wire rope is directly or indirectly connected with the end part of the steel wire rope of the winding drum lifting assembly on the other side. The utility model discloses the reel plays to rise the subassembly and sets up first reverse wheel and second reverse wheel through the below at the dolly frame, changes the direction of wiring, reduces the contained angle between the wire rope of both sides, has reduced the interference between wire rope and the container, has promoted and has dug case efficiency and stability.

Description

Container carrying double-beam bridge crane

Technical Field

The utility model belongs to the technical field of the hoist, concretely relates to container delivery double-beam bridge crane.

Background

The container carrying double-beam bridge crane has high working grade which generally reaches A7 grade; the cart and the trolley have high running speed and high acceleration and deceleration, so that the cart and the trolley can run only when the lifting appliance reaches the upper limit position. Container carrying cranes currently have the following disadvantages:

1. the number of rows of containers is arranged to the maximum extent, the distance between the containers is small, particularly, the lifting height of the containers on the lower layer is large, when a conventional crane easily causes box digging operation, the steel wire rope and the containers are interfered, the steel wire rope is abraded, and the box digging stability is influenced.

2. The container truck is parked on the wharf, the parking angles of the container truck cannot be guaranteed to be both right, the carrying directions of a cart and a trolley of the crane are vertical, so that the container cannot be placed in parallel to a carriage of the container truck, and the lock pin of the container truck cannot correspond to the hole in the container, so that the container truck cannot be locked.

3. The frequency of fetching the container by the crane requires 15 cycles/hour, the operation frequency is high, the working grade of the crane is high, the running speed of a cart and a trolley is high, the acceleration and deceleration is high, the container is easy to shake when the container is driven by a lifting appliance, the safety is poor, and the containers are not easy to be completely aligned in the process of placing the containers in a row when being put down,

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the wire rope that exists among the prior art and causing the defect of interference easily with the container, providing one kind under narrow and small space wire rope can steadily dig the case, be difficult to take place the container delivery double-beam bridge crane who interferes with the container.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a container delivery double beam bridge crane, includes trolley frame, hoist, its characterized in that: still including installing reel hoisting assembly that bisymmetry set up on the trolley frame and the hoist that is used for fixed hoist put on the shelf, reel hoisting assembly includes: the lifting device comprises a winding drum, a lower pulley arranged on the lifting appliance, an upper pulley arranged on the trolley frame, and a first reversing wheel and a second reversing wheel which are arranged on the trolley frame and are positioned below the upper pulley in parallel, wherein the second reversing wheel is close to the center of the trolley frame, and the first reversing wheel is close to the edge of the trolley frame; one end of the steel wire rope is wound on the winding drum, then the steel wire rope downwards winds the lower pulley, then upwards winds the second reversing wheel, then winds the first reversing wheel and then winds the upper pulley, and then the other end of the steel wire rope is directly or indirectly connected with the end part of the steel wire rope of the winding drum hoisting assembly on the other side.

Furthermore, the end parts of the steel wire ropes of the winding drum hoisting assemblies on the two sides are connected through a connecting plate.

The lifting appliance rotating mechanism comprises a support arranged above the trolley frame, a lever rotationally connected to the support and an electric push rod arranged on the trolley frame; the center of the connecting plate is connected with the middle part of the lever, the telescopic end of the electric push rod is installed at the upper end of the lever, and the lower end of the lever is rotatably connected with the support.

Further, the telescopic rods of the electric push rods of the two lifting appliance rotating mechanisms face opposite directions.

Furthermore, the steel wire ropes of the two winding drum hoisting assemblies are symmetrically connected to two ends of the connecting plate through steel wire rope clamps respectively.

The utility model discloses a container delivery double-beam bridge crane's beneficial effect is:

1. the reel hoisting assembly changes the direction of the rope winding by arranging the first reversing wheel and the second reversing wheel below the trolley frame, reduces the included angle between the steel wire ropes on two sides, reduces the interference between the steel wire ropes and the container, and improves the box digging efficiency and stability.

2. The lifting appliance rotating mechanism extends and retracts while passing through the two electric push rods which are arranged in a back-to-back mode, so that the lifting appliance rotates to adapt to the fact that the container and the container truck are aligned and locked together through the lock pin.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic view of a crane carrying container according to an embodiment of the present invention;

fig. 2 is a front view of the crane according to the embodiment of the present invention;

fig. 3 is a left side view of the crane according to the embodiment of the present invention;

fig. 4 is a top view of a crane according to an embodiment of the present invention;

fig. 5 is a schematic diagram of a drum lifting assembly of an embodiment of the present invention about a wire rope;

FIG. 6 is an enlarged view of portion A of FIG. 2;

FIG. 7 is an enlarged view of a portion of FIG. 1;

FIG. 8 is another enlarged partial view of FIG. 1;

fig. 9 is a schematic diagram of a prior art wire rope winding.

In the drawing, the lifting device comprises a trolley frame 1, a trolley frame 2, a lifting appliance 3, a lifting appliance upper frame 4, a winding drum 5, a lower pulley 6, an upper pulley 7, a first reversing wheel 8, a second reversing wheel 9, a steel wire rope 10, a support 11, a steel wire rope clamp 12, an electric push rod 13, a lever 14, an anti-swing fixing frame 141, a vertical rod 1411, a positioning bolt 1412, a guide cone 142, a pull rod 15, a positioning hole 151, a bell mouth 152, a limiting part 16, a container 17 and a connecting plate.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

A schematic view of a container-carrying dual beam bridge crane as shown in fig. 1 carrying a container 16; in order to arrange 16 rows of containers to the maximum extent, the distance between the containers 16 is small, particularly, the containers 16 on the lower layer have large lifting height, and when a conventional crane is easy to cause box digging operation, the steel wire rope 9 and the containers 16 are interfered, the steel wire rope 9 is abraded, and the box digging stability is influenced.

As shown in fig. 1-8 the utility model discloses a specific embodiment of a container delivery double beam bridge crane, the crane includes trolley frame 1, the reel that installs the bisymmetry setting on trolley frame 1 plays to rise the subassembly, installs two hoist rotary mechanism on trolley frame 1, the hoist that realizes promoting through reel play to rise the subassembly wire rope 9 and be used for restricting the rigid anti-sway mechanism that container 16 waved in the delivery process, fixed connection hoist 2 on the hoist upper rack 3.

Fig. 9 shows a conventional wire rope winding method, in which a winding drum 4 is disposed above a trolley frame 1, upper pulleys 6 are disposed at the edge of the trolley frame 1, the winding drums 4 are disposed at the left and right sides of the trolley frame 1, an upper pulley 6 is disposed at each of the four corners of the trolley frame 1, a lower pulley 5 is disposed at each of the four corners of a hanger upper frame 3, one end of a wire rope 9 is wound around the winding drum 4, then the wire rope downwardly passes around the lower pulley 5, and after continuously passing upwards around the upper pulley 6, the other end of the wire rope 9 is connected to the wire rope 9 wound from the other side. Referring to part B of fig. 1, this roping causes the wire ropes 9 to interfere with the containers 16 on the upper level when gripping the lower level containers 16.

Referring to fig. 2, 3, 5, 7 and 8, the drum lift assembly comprises: the lifting appliance comprises a winding drum 4, a lower pulley 5 arranged on a lifting appliance upper frame 3, an upper pulley 6 arranged on a trolley frame 1, and two first reversing wheels 7 and two second reversing wheels 8 which are arranged in parallel and are arranged on the trolley frame 1 and positioned below the upper pulley 6, wherein the second reversing wheels 8 are close to the center of the trolley frame 1, and the first reversing wheels 7 are close to the edge of the trolley frame 1; one end of a steel wire rope 9 is wound on the winding drum 4, then the steel wire rope downwards winds the lower pulley 5, then upwards winds the second reversing wheel 8, then winds the first reversing wheel 7 and then winds the upper pulley 6, and then the other end of the steel wire rope 9 is directly or indirectly connected with the end part of the steel wire rope 9 of the other side winding drum hoisting assembly.

Referring to fig. 2 and 6, the spreader rotation mechanism includes: the device comprises a support 10 arranged above the trolley frame 1, a lever 13 rotationally connected to the support 10, a connecting plate 17 connected to the lever 13, wire rope clamps 11 arranged at two ends of the connecting plate 17 and an electric push rod 12 arranged on the trolley frame 1; the telescopic end of the electric push rod 12 is arranged at the upper end of the lever 13 to push the lever 13 to swing left and right; the wire rope clip 11 is used to fix the wire rope 9 wound from the upper sheave 6. The telescopic rods of the electric push rods 12 of the two sling rotating mechanisms face opposite directions.

The connecting plate 17 is arranged perpendicular to the lever 13, the center of the connecting plate 17 is fixedly or rotatably connected with the middle part of the lever 13, the connecting plate 17 is connected with the middle part of the lever 13, the lower end of the lever 13 is rotatably connected on the support 10, and the upper end of the lever is connected with the telescopic end of the electric push rod 12.

Two electric push rods 12 with opposite telescopic directions are arranged on the front side and the rear side of the trolley frame 1, encoders are arranged on the electric push rods 12, and limit switches and closed-loop control are arranged on the front side and the rear side.

The two electric push rods 12 extend simultaneously, the steel wire ropes 9 on the lower pulleys 5 at the opposite corners of the upper frame 3 of the lifting appliance are lifted, and the steel wire ropes 9 on the lower pulleys 5 at the other opposite corners of the upper frame 3 of the lifting appliance are lowered, so that the lifting appliance 2 can rotate forwards; the electric push rod 12 contracts backwards to realize the reverse rotation of the lifting appliance 2, so that the container truck can be conveniently parked untimely, the operation of carrying the container 16 is automatically assisted, and the container is righted on the container truck, so that the holes on the container truck correspond to the lock pins on the container truck.

Referring to fig. 2, 3 and 8, the rigid anti-swing mechanism comprises an anti-swing fixing frame 14 diagonally mounted on the lower side surface of the trolley frame 1 and a positioning hole 15 corresponding to the anti-swing fixing frame 14 on the upper hanger frame 3. The anti-swing fixing frame 14 comprises a vertical rod 141 and a pull rod 142 fixedly connected to the side surface of the vertical rod 141, the vertical rod 141 and the pull rod 142 are fixed on the lower side surface of the trolley frame 1 through bolts, the lower end of the vertical rod 141 is a positioning bolt 1411, the lower end of the positioning bolt 1411 is provided with a guide cone 1412, and the positioning hole 15 comprises a bell mouth 151 for guiding the positioning bolt 1411 at the upper end and a limiting part 152 for preventing the positioning bolt 1411 from swinging after being inserted at the lower end.

Specifically, the frequency of the container 16 taken by the crane requires 15 cycles/hour, the operation frequency is high, the working level of the crane is high, the large car and the small car run fast, and the acceleration and deceleration is large, so that the large car and the small car can run when the lifting appliance 2 reaches the upper limit, and the rigid anti-swing mechanism is arranged for avoiding the lifting appliance 2 clamping the container 16 from swinging when the large car and the small car run at the acceleration and deceleration, and the rigid anti-swing mechanism is totally divided into two parts/sleeves, and is arranged in an oblique diagonal manner, so that the anti-swing of the lifting appliance 2 in any direction of the large car and the small car can be met. After the spreader 2 grabs the container 16, the spreader 2 moves upwards, the positioning pin 1411 at the end of the vertical rod 141 is gradually inserted into the positioning hole 15, and finally when the spreader 2 reaches the upper limit position, the positioning pin 1411 is inserted into a part of the positioning hole 15 to limit the swinging of the spreader upper frame 3 and the spreader 2.

It should be understood that the specific embodiments described above are only for illustrating the present invention and are not used to limit the present invention. Obvious changes or variations from the spirit of the invention are within the scope of the invention.

Claims

1. The utility model provides a container delivery double beam bridge crane, includes trolley frame (1), hoist (2), its characterized in that: still including installing reel that two symmetries set up on trolley frame (1) play to rise the subassembly and be used for fixed hoist (2) hoist upper bracket (3), the reel plays to rise the subassembly and includes: the lifting device comprises a winding drum (4), a lower pulley (5) arranged on the lifting appliance (2), an upper pulley (6) arranged on the trolley frame (1), and a first reversing wheel (7) and a second reversing wheel (8) which are arranged on the trolley frame (1) and are positioned below the upper pulley (6) in parallel, wherein the second reversing wheel (8) is close to the center of the trolley frame (1), and the first reversing wheel (7) is close to the edge of the trolley frame (1); one end of a steel wire rope (9) is wound on the winding drum (4), then the steel wire rope downwards winds the lower pulley (5), then upwards winds the second reversing wheel (8), then winds the first reversing wheel (7) and then winds the upper pulley (6), and then the other end of the steel wire rope (9) is directly or indirectly connected with the end part of the steel wire rope (9) of the winding drum hoisting assembly on the other side.

2. A container carrying double beam bridge crane according to claim 1, wherein: the ends of the steel wire ropes (9) of the winding drum hoisting assemblies on the two sides are connected through a connecting plate (17).

3. A container carrying double beam bridge crane according to claim 2, wherein: the lifting appliance comprises a trolley frame (1), a lifting appliance rotating mechanism and a lifting appliance rotating mechanism, wherein the lifting appliance rotating mechanism comprises a support (10) arranged above the trolley frame (1), a lever (13) rotationally connected to the support (10) and an electric push rod (12) arranged on the trolley frame (1); the center of the connecting plate (17) is connected with the middle part of the lever (13), the telescopic end of the electric push rod (12) is installed at the upper end of the lever (13), and the lower end of the lever (13) is rotatably connected with the support (10).

4. A container carrying double beam bridge crane according to claim 3, wherein: the telescopic rods of the electric push rods (12) of the two lifting appliance rotating mechanisms face opposite directions.

5. A container carrying double beam bridge crane according to claim 2, wherein: the steel wire ropes (9) of the two winding drum hoisting assemblies are symmetrically connected to two ends of the connecting plate (17) through steel wire rope clamps (11) respectively.