CN220245371U

CN220245371U - Double-hook portal crane

Info

Publication number: CN220245371U
Application number: CN202321983224.XU
Authority: CN
Inventors: 张建鑫; 刘辉; 毛堂伟; 候存计; 何香利; 郭自庭; 刘金峰
Original assignee: Henan Lugang Crane Group Co ltd
Current assignee: Henan Lugang Crane Group Co ltd
Priority date: 2023-07-26
Filing date: 2023-07-26
Publication date: 2023-12-26
Anticipated expiration: 2033-07-26

Abstract

The utility model discloses a double-hook portal crane which comprises a mounting pipe, a crane portal beam and lifting plates, wherein the mounting pipe is arranged at two ends of the bottom of the crane portal beam, bearings are arranged at the tops of the interiors of the mounting pipes, first threaded rods are arranged in the interiors of the bearings, the first threaded rods penetrate through the crane portal beam, and first bevel gears are arranged at the tops of the first threaded rods. The utility model is provided with the bottom plate, the support rod, the mounting pipe, the first threaded rod, the second threaded pipe and the guide sliding block, when in use, the first threaded rod is rotated to enable the second threaded pipe to move through threads, the support rod can drive the bottom plate to move, the height of the gantry beam of the crane can be adjusted, the device can be adjusted to a specified height for use, the height of the device can be reduced in the transferring process, the trafficability of the device is improved, and the device can be adjusted to the specified height according to the requirement, so that goods can be conveniently lifted to the specified height.

Description

Double-hook portal crane

Technical Field

The utility model relates to the technical field of portal crane equipment, in particular to a double-hook portal crane.

Background

The portal crane is a deformation of bridge crane, also called portal crane, and is mainly used for loading and unloading operations of outdoor goods yard, stock yard goods and bulk goods, and has the characteristics of high field utilization rate, large operation range, wide application range, strong universality and the like, and is widely used in port goods yards.

The double hook gantry crane is provided with two sets of lifting hooks, can hoist the goods from the both ends of goods, and the hoist and mount in-process, interval size between two sets of lifting hooks is fixed, is inconvenient to adjust according to the length of goods, and in the use, the height-fixing of gantry crane can not adjust according to the demand, is not only inconvenient to transport gantry crane, still is inconvenient to hoist the goods to appointed height, and the adjustability of device is relatively poor, and the suitability is relatively poor.

Disclosure of Invention

The utility model aims to provide a double-hook portal crane for solving the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a double hook portal crane, includes mounting tube, crane door beam and lifter plate, the mounting tube is all installed at the both ends of crane door beam bottom, and the inside top of mounting tube all installs the bearing, the inside of bearing all installs first threaded rod, first threaded rod all passes crane door beam, and first helical gear is all installed at the top of first threaded rod, the second thread tube of seeing is all installed to the outside of first threaded rod, the mounting panel is installed to the one end of crane door beam, and the second servo motor is installed at the top of mounting panel, first sliding assembly is installed to the one end that the mounting panel was kept away from to crane door beam bottom, and the bottom slidable mounting of first sliding assembly has the sliding plate, the one end that the crane door beam bottom is close to the second servo motor is installed electric pneumatic cylinder, first servo motor is installed to the bottom of sliding plate, and the output of first servo motor installs the pivot, the roller is installed in the outside of pivot, and the outside of roller is around being equipped with the lifting rope, the lifter plate is installed to the bottom of lifting plate bottom, the intermediate position of lifter plate bottom installs the third sliding assembly, and the second sliding assembly is all installed to the second sliding assembly with the second sliding assembly, the second sliding assembly is all installed to the second sliding assembly has the second sliding assembly, the second sliding assembly is kept away from the second sliding assembly has the second sliding assembly, the second sliding assembly is installed to the second sliding assembly, the second sliding assembly has the second sliding assembly is installed.

Preferably, the output end of the second servo motor is provided with a rotating rod, and two groups of second bevel gears meshed with the first bevel gears are arranged on the outer side of the rotating rod.

Preferably, the first threaded pipe is arranged on the outer side of the second threaded rod in a threaded manner, push-pull rods are hinged to two ends of the first threaded pipe, and one ends, far away from the first threaded pipe, of the push-pull rods are hinged to the connecting plate.

Preferably, the two ends of the bottom of the second viewing thread pipe are provided with supporting rods, and the bottoms of the supporting rods are provided with bottom plates.

Preferably, the third sliding components are mounted at two ends of the inside of the mounting pipe, the guide sliding blocks are slidably mounted at the inner sides of the third sliding components, and one ends of the guide sliding blocks, far away from the third sliding components, are connected with the second thread-viewing pipe.

Preferably, a wear-resistant layer is arranged on the outer side of the rotating shaft.

Preferably, the output end of the electric pneumatic cylinder is connected with the sliding plate.

Preferably, a group of reinforcing plates are symmetrically arranged on the outer sides of the supporting rods, and one ends, far away from the supporting rods, of the reinforcing plates are connected with the bottom plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. the double-hook portal crane is provided with the bottom plate, the support rod, the mounting pipe, the first threaded rod, the second threaded pipe and the guide sliding block, when the double-hook portal crane is used, the first threaded rod is rotated to enable the second threaded pipe to move through threads, the support rod can drive the bottom plate to move, the height of the portal beam of the crane can be adjusted, the device can be adjusted to a specified height for use, the height of the device can be reduced in the transferring process, the trafficability of the device is improved, the device can be adjusted to the specified height according to requirements, and therefore cargoes can be conveniently lifted to the specified height;

2. the double-hook portal crane is provided with the first helical gear, the second helical gear, the rotating rod and the second servo motor, when the double-hook portal crane is used, the second servo motor drives the two groups of second helical gears to rotate through the rotating rod, so that the second helical gear drives the first threaded rod to rotate through the first helical gear, the height of the device can be directly regulated, the operation of the regulating process is more convenient, and the device is more convenient to use;

3. the connecting plate, the push-pull rod, the hook, the first threaded pipe, the second threaded rod, the third servo motor and the second sliding component are installed on the double-hook portal crane, when the double-hook portal crane is used, the third servo motor drives the second threaded rod to rotate, the first threaded pipe moves through threads, the two groups of push-pull rods can be forced to push or pull the connecting plate to move, the size of the distance between the two groups of hooks can be adjusted, and the two groups of hooks can be convenient for lifting cargoes with different lengths.

Drawings

FIG. 1 is a schematic view in front cross-section of the present utility model;

FIG. 2 is a schematic front view of the present utility model;

FIG. 3 is a schematic view of a partial structure of the present utility model;

fig. 4 is an enlarged view of the structure at a in fig. 1 according to the present utility model.

In the figure: 1. a bottom plate; 2. a support rod; 3. installing a pipe; 4. a first threaded rod; 5. a bearing; 6. a crane door beam; 7. a control panel; 8. a first helical gear; 9. a second helical gear; 10. a rotating rod; 11. a first slide assembly; 12. a roller; 13. a rotating shaft; 14. a first servo motor; 15. a sliding plate; 16. an electric pneumatic cylinder; 17. a connecting plate; 18. a push-pull rod; 19. a hanging rope; 20. a hook; 21. a second servo motor; 22. a mounting plate; 23. a first threaded pipe; 24. a second threaded rod; 25. a third servo motor; 26. a second slide assembly; 27. a lifting plate; 28. a third slide assembly; 29. a second view of the threaded pipe; 30. and a guide sliding block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, an embodiment of the present utility model is provided: a double-hook portal crane comprises a mounting tube 3, a crane door beam 6 and a lifting plate 27, wherein the mounting tube 3 is installed at two ends of the bottom of the crane door beam 6, a bearing 5 is installed at the top of the inside of the mounting tube 3, a first threaded rod 4 is installed in the bearing 5, the first threaded rod 4 penetrates through the crane door beam 6, a first bevel gear 8 is installed at the top of the first threaded rod 4, a second thread-viewing tube 29 is installed on the outer side of the first threaded rod 4 in a threaded manner, a mounting plate 22 is installed at one end of the crane door beam 6, a second servo motor 21 is installed at the top of the mounting plate 22, the second servo motor 21 can be MR-J2S-10A, a first sliding component 11 is installed at one end of the bottom of the crane door beam 6 far away from the mounting plate 22, and a sliding plate 15 is installed at the bottom of the first sliding component 11, an electric pneumatic cylinder 16 is arranged at one end, close to the second servo motor 21, of the bottom of the crane door beam 6, the electric pneumatic cylinder 16 can be J64RT2UNIVER, a first servo motor 14 is arranged at the bottom of the sliding plate 15, the first servo motor 14 can be MR-J2S-10A, a rotating shaft 13 is arranged at the output end of the first servo motor 14, a roller 12 is arranged at the outer side of the rotating shaft 13, a lifting rope 19 is wound at the outer side of the roller 12, a lifting plate 27 is arranged at the bottom of the lifting rope 19, a third servo motor 25 is arranged at the middle position of the bottom of the lifting plate 27, the third servo motor 25 can be MR-J2S-10A, a second threaded rod 24 is arranged at the output end of the third servo motor 25, a second sliding component 26 is arranged at both ends of the bottom of the lifting plate 27, a connecting plate 17 is arranged at the bottom of the second sliding component 26 in a sliding manner, a hook 20 is arranged at the bottom of the connecting plate 17, the crane door beam 6 is installed control panel 7 far away from the one end of mounting panel 22, and the output of control panel 7 passes through the wire respectively with first servo motor 14, electronic pneumatic cylinder 16, second servo motor 21 and the input electric connection of third servo motor 25.

In this embodiment:

further, the output end of the second servo motor 21 is provided with the rotating rod 10, and two groups of second bevel gears 9 meshed with the first bevel gears 8 are arranged on the outer side of the rotating rod 10, when the device is used, the second servo motor 21 drives the two groups of second bevel gears 9 to rotate through the rotating rod 10, and the second bevel gears 9 can drive the first threaded rod 4 to rotate through the first bevel gears 8, so that the height of the device can be directly adjusted, the operation of the adjusting process is more convenient, and the device is more convenient to use.

Further, the first threaded pipe 23 is installed on the outer side of the second threaded rod 24 in a threaded manner, the push-pull rods 18 are hinged to two ends of the first threaded pipe 23, one end, far away from the first threaded pipe 23, of each push-pull rod 18 is hinged to the connecting plate 17, the third servo motor 25 drives the second threaded rod 24 to rotate, the first threaded pipe 23 moves through threads, the two groups of push-pull rods 18 can be forced to push or pull the connecting plate 17 to move, the distance between the two groups of hooks 20 can be adjusted, and the two groups of hooks 20 can conveniently hoist cargos with different lengths.

Further, the supporting rods 2 are installed at two ends of the bottom of the second threaded tube 29, the bottom plate 1 is installed at the bottom of the supporting rods 2, the second threaded tube 29 moves through threads, the bottom plate 1 can be driven to move through the supporting rods 2, the height of the crane door beam 6 can be adjusted, and the device can be adjusted to be used at a specified height.

Further, the third sliding component 28 is installed at both ends of the inside of the installation tube 3, the guiding sliding blocks 30 are slidably installed at the inner sides of the third sliding component 28, one ends of the guiding sliding blocks 30, which are far away from the third sliding component 28, are connected with the second threaded tube 29, and the second threaded tube 29 is limited by the guiding sliding blocks 30, so that the second threaded tube 29 can be prevented from rotating along with the first threaded rod 4.

Further, the wear-resistant layer is arranged on the outer side of the rotating shaft 13, so that abrasion to the roller 12 in the winding process of the lifting rope 19 can be reduced, and the service life of the roller 12 can be prolonged.

Further, the output end of the electric pneumatic cylinder 16 is connected with the sliding plate 15, and the electric pneumatic cylinder 16 pushes or pulls the sliding plate 15 to move, so that the position of the hook 20 can be adjusted.

Furthermore, a group of reinforcing plates are symmetrically arranged on the outer sides of the supporting rods 2, and one ends, far away from the supporting rods 2, of the reinforcing plates are connected with the bottom plate 1, so that the supporting rods 2 and the bottom plate 1 can be firmly arranged.

Working principle:

when the device is used, the power supply is connected, and then the second servo motor 21 is started through the control panel 7, so that the second servo motor 21 drives the rotating rod 10 to rotate clockwise or anticlockwise, the rotating rod 10 drives the two groups of first bevel gears 8 to rotate through the two groups of second bevel gears 9, the two groups of first bevel gears 8 simultaneously drive the two groups of first threaded rods 4 to rotate, the second thread-looking pipe 29 outside the first threaded rods 4 is limited by the guide sliding block 30, the second thread-looking pipe 29 cannot rotate along with the first threaded rods 4, and the second thread-looking pipe 29 can only move upwards or downwards outside the first threaded rods 4 through threads;

at this time, the second thread-viewing tube 29 drives the guide slide block 30 to slide on the third sliding component 28 along a straight line, and the second thread-viewing tube 29 drives the bottom plate 1 to move through the support rod 2, so that the distance between the bottom plate 1 and the crane door beam 6 can be adjusted, the height of the device can be adjusted, and after the device is adjusted to a specified height, the second servo motor 21 can be closed through the control panel 7;

when in hoisting, a worker can start the electric pneumatic cylinder 16 through the control panel 7, so that the electric pneumatic cylinder 16 pushes or pulls the sliding plate 15 to move, and the position of the hook 20 can be adjusted;

then the first servo motor 14 is started through the control panel 7, so that the first servo motor 14 drives the roller 12 to rotate anticlockwise through the rotating shaft 13, and the lifting rope 19 at the outer side of the roller 12 can be put down, so that the hook 20 moves downwards;

after the hook 20 is moved to the goods position, a worker can start the third servo motor 25 through the control panel 7, so that the third servo motor 25 drives the second threaded rod 24 to rotate clockwise or anticlockwise, the first threaded pipe 23 is limited by the push-pull rod 18, the first threaded pipe 23 cannot rotate along with the second threaded rod 24, and the first threaded pipe 23 can only move upwards or downwards on the outer side of the second threaded rod 24 through threads;

at this time, the first threaded pipe 23 drives the two groups of push-pull rods 18 to move together, so that the two groups of push-pull rods 18 are forced to push or pull the two groups of connecting plates 17 to move, so that the connecting plates 17 drive the hooks 20 to move, and the distance between the two groups of hooks 20 can be adjusted, thereby being convenient for the two groups of hooks 20 to lift cargoes with different lengths.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a double hook portal crane, includes mounting tube (3), crane door beam (6) and lifter plate (27), its characterized in that: the utility model discloses a crane door beam (6), including crane door beam (6), mounting tube (6), bearing (5) are all installed at the both ends of crane door beam (6) bottom, and the inside top of mounting tube (3) is all installed, first threaded rod (4) are all installed to the inside of bearing (5), first threaded rod (4) all pass crane door beam (6), and first helical gear (8) are all installed at the top of first threaded rod (4), second thread pipe (29) are all installed to the outside of first threaded rod (4), mounting panel (22) are installed to the one end of crane door beam (6), and second servo motor (21) are installed at the top of mounting panel (22), first sliding component (11) are installed to the one end that mounting panel (22) was kept away from to crane door beam (6) bottom, and the bottom slidable mounting of first sliding component (11) has slide plate (15), the one end that is close to second servo motor (21) is installed to the bottom of slide plate (15) has electric pneumatic cylinder (16), first servo motor (14) are installed to the bottom of slide plate (15), and first servo motor (14) are installed at the top of mounting panel (22), and output rope (13) are installed around pivot (13) outside of roller (13), lifting plate (27) are installed to the bottom of lifting rope (19), third servo motor (25) are installed to intermediate position department of lifting plate (27) bottom, and second threaded rod (24) are installed to the output of third servo motor (25), second slip subassembly (26) are all installed at the both ends of lifting plate (27) bottom, and the bottom of second slip subassembly (26) all slidable mounting has connecting plate (17), couple (20) are all installed to the bottom of connecting plate (17), control panel (7) are installed to the one end that mounting panel (22) was kept away from to crane door beam (6), the output of control panel (7) pass through wire respectively with first servo motor (14), electric pneumatic cylinder (16), second servo motor (21) and the input electric connection of third servo motor (25).

2. A double hook gantry crane according to claim 1, characterized in that: the output end of the second servo motor (21) is provided with a rotating rod (10), and two groups of second bevel gears (9) meshed with the first bevel gears (8) are arranged on the outer side of the rotating rod (10).

3. A double hook gantry crane according to claim 1, characterized in that: the outside screw thread of second threaded rod (24) is installed first screwed pipe (23), and both ends of first screwed pipe (23) all articulate push-and-pull rod (18), push-and-pull rod (18) keep away from the one end of first screwed pipe (23) all with connecting plate (17) articulated.

4. A double hook gantry crane according to claim 1, characterized in that: the two ends of the bottom of the second thread watching pipe (29) are provided with supporting rods (2), and the bottoms of the supporting rods (2) are provided with bottom plates (1).

5. A double hook gantry crane according to claim 1, characterized in that: the third sliding components (28) are arranged at two ends of the inside of the installation pipe (3), the guide sliding blocks (30) are slidably arranged on the inner sides of the third sliding components (28), and one ends, far away from the third sliding components (28), of the guide sliding blocks (30) are connected with the second thread-viewing pipe (29).

6. A double hook gantry crane according to claim 1, characterized in that: and a wear-resistant layer is arranged on the outer side of the rotating shaft (13).

7. A double hook gantry crane according to claim 1, characterized in that: the output end of the electric pneumatic cylinder (16) is connected with the sliding plate (15).

8. The double-hook gantry crane of claim 4, wherein: a group of reinforcing plates are symmetrically arranged on the outer sides of the supporting rods (2), and one ends, far away from the supporting rods (2), of the reinforcing plates are connected with the bottom plate (1).