A semi-gantry double-beam crane

By introducing lifting and rotating components into a semi-gantry double girder crane, the problems of non-adjustable lifting speed and inconvenient maintenance are solved, achieving the effects of speed adjustment and convenient maintenance.

CN223606942UActive Publication Date: 2025-11-28YINGKOU LANDER HOISTING MASCH CO LTD
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Patent Information

Application Number
CN202520046905.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2025-11-28
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

The existing semi-gantry double girder cranes cannot adjust the lifting speed during use, resulting in low work efficiency and inconvenient maintenance after the adjusting wheel is damaged.

Method used

A semi-gantry double-girder crane was designed, comprising a lifting assembly and a rotating assembly. The lifting speed is adjusted by gear meshing and motor drive, and a moving mechanism is provided to facilitate the movement and maintenance of the device.

Benefits of technology

It enables flexible adjustment of lifting speed, improves work efficiency, facilitates repair in case of damage, and expands the range of movement.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of hoist, and disclose a half door type double -beam hoist, including bottom plate, the bottom plate top surface fixedly connected with base, the bottom plate top surface is provided with moving mechanism, the base inside slide connection has support rod, support rod front fixedly connected with ladder, support rod top surface fixedly connected with crossbeam, the crossbeam top surface fixedly connected with railing, the crossbeam top surface is seted up with rectangle slot, the rectangle slot inside fixedly connected with rack, the rectangle slot inside slide connection has hoisting mechanism, the hoisting mechanism includes lifting assembly and rotating component, rotating component sets up in the rectangle slot inside, lifting assembly sets up in rotating component bottom. This half door type double -beam hoist sets up hoisting mechanism, is convenient for adjusting device lifting speed, can increase work efficiency, make device move more convenient, set up moving mechanism, increase device moving range, be convenient for the maintenance to this device.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of hoist, concretely is a kind of half door type double-beam hoist. BACKGROUND

[0002] Hoist is a kind of equipment for vertical lifting and horizontal handling heavy objects, usually used in construction site, logistics and warehousing, port and other places. It is hoisted and moved to another position by using boom, hook, wire rope and other components, hoist usually carries out intermittent motion, i.e. the corresponding mechanism of taking material, moving, unloading and other actions in a working cycle is alternately worked, can efficiently move heavy objects, support various industrial and commercial activities.

[0003] According to the half door type double-beam hoist (authorization announcement number: CN 213356734U) disclosed by patent network, it is described that "the utility model discloses a double-beam half door type hoist, including wall, bearing trolley, ground crossbeam, adjusting plate, main bridge, end beam, the main bridge is provided with two, the lower end of the side of the main bridge away from wall is fixedly connected and is provided with support column, the lower end side of the support column is fixedly installed and is provided with speed reducer motor, the output end of the speed reducer motor is fixedly provided with belt through rotating wheel, the lower end of the support column is rotatably connected and is provided with adjusting wheel, the ground crossbeam is equipped with moving groove, one side of the ground crossbeam is fixedly installed and is provided with servo motor. The utility model sets adjusting plate on the upper end of ground crossbeam, arc-shaped groove is set on adjusting plate, speed reducer motor and adjusting wheel are set on the lower end of support column, speed reducer motor can drive adjusting wheel to move on arc-shaped groove, and main bridge can be rotated through rotating rod, so that the direction angle is conveniently fine-tuned".

[0004] For the above description, the applicant believes that the following problems exist:

[0005] The utility model in use process, the double-beam half door type hoist is not provided with hoisting mechanism, in actual use process, the device cannot adjust lifting speed, waste a lot of time in use, weaken work efficiency, the double-beam half door type hoist sets adjusting wheel, so that the whole device can move, but in actual use process, because adjusting wheel is in the device, the double-beam half door type hoist is inconvenient to maintain after damage, thus needs to improve a kind of half door type double-beam hoist to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of half door type double-beam hoist to solve the problems raised in the above background.

[0007] To achieve the above object, the utility model provides the following technical scheme: a half door type double beam crane, including the bottom plate, the bottom plate top surface fixedly connected with the base, the bottom plate top surface is provided with moving mechanism, the base inside is connected with the support rod of sliding, the support rod front surface fixedly connected with the ladder, the support rod top surface fixedly connected with the crossbeam, the crossbeam top surface fixedly connected with the railing, the crossbeam top surface is equipped with the rectangular groove, the rectangular groove inside fixedly connected with the rack, the rectangular groove inside is provided with hoisting mechanism, the hoisting mechanism includes lifting assembly and rotating component, rotating component sets up in the rectangular groove inside, lifting assembly sets up in rotating component bottom.

[0008] Preferably, the lifting assembly includes a lifting box and two rotating shafts, the lifting box is fixedly connected to the bottom surface of the crossbeam, the lifting box is fixedly connected with a lifting motor inside, the lifting motor output end is fixedly connected with a rotating shaft, and the rotating shaft is provided with a first gear outside, the rotating shaft surface is provided with a toothed groove, and the first gear is limitedly and slidably connected to the surface of the rotating shaft through the toothed groove, and the surface of the rotating shaft is fixedly connected with a third gear, the other rotating shaft is rotatably connected inside the lifting box, and the surface of the rotating shaft is fixedly connected with a second gear and a fourth gear, the surface of the rotating shaft is slidably connected with a first gear near the lifting motor end, the surface of the rotating shaft is wound with a steel wire rope, the surface of the steel wire rope is drivingly connected with a roller, the surface of the roller is rotatably connected with a fixed block, the outer surface of the fixed block is fixedly connected with a fixed groove, the bottom surface of the fixed groove is fixedly connected with a lifting hook, the back surface of the lifting box is fixedly connected with a drive box, the inside of the drive box is fixedly connected with a drive motor, the output end of the drive motor is fixedly connected with a drive block, the surface of the drive block is provided with a sliding groove, the inside of the sliding groove is slidably connected with a moving rod, the moving rod is rotatably connected to the surface of the first gear, which facilitates the lifting of the device, can change the lifting speed of the device, and increases the working efficiency of the device.

[0009] Preferably, the first gear and the second gear are engaged, and the third gear and the fourth gear are engaged, which facilitates the device to change the speed during lifting and facilitates operation.

[0010] Preferably, the number of steel wire ropes is two, and the two steel wire ropes are symmetrically distributed along the center line of the bottom surface of the lifting box, which facilitates the device to maintain balance during work.

[0011] Preferably, the rotating component includes a rotating box, the rotating box is fixedly connected inside the rectangular groove, the top surface of the rotating box is fixedly connected with a double-shaft motor, the double-shaft motor is fixedly connected to the top surface of the rotating box, the output end of the double-shaft motor is fixedly connected with a rotating rod, the surface of the rotating rod is fixedly connected with a moving gear, and the moving gear is engaged with the surface of the rack, which facilitates the movement of the lifting hook inside the crossbeam.

[0012] Preferably, the moving mechanism comprises a limiting groove fixedly connected to the top surface of the base plate, a moving motor fixedly connected to the front surface of the limiting groove, a threaded rod fixedly connected to the output end of the moving motor, the threaded rod being threadedly connected inside the limiting groove, a push block rotatably connected to the surface of the threaded rod, a connecting rod fixedly connected between the push blocks, a limiting block fixedly connected to the right side of the supporting rod, a moving wheel rotatably connected to the bottom surface of the supporting rod, the moving wheel being rotatably connected between the limiting block, and baffles fixedly connected to the front surface and the back surface of the supporting rod, so as to facilitate the movement of the device, increase the moving range of the device, and facilitate maintenance when the device is damaged.

[0013] Preferably, the limiting block and the connecting rod are fixedly connected, so as to facilitate the driving of the supporting rod to move.

[0014] Compared with the prior art, the utility model provides a half door type double beam crane, has the following beneficial effects:

[0015] 1. The half door type double beam crane is provided with a hoisting mechanism, the lifting assembly is arranged, the moving rod is driven to move by the moving rod, the first gear is no longer meshed with the second gear, the lifting speed of the device is facilitated to be adjusted, the working efficiency can be increased, the rotating shaft is driven to rotate by the lifting motor, the rotating assembly is arranged, the moving gear on the surface of the rotating rod is driven to rotate, the moving gear drives the rotating box to move by cooperating with the rack, the hook is facilitated to move in the cross beam, and the device is more convenient to move.

[0016] 2. The half door type double beam crane is provided with a moving mechanism, the connecting block is driven to move by the push block on the surface of the threaded rod in cooperation with the limiting block, the supporting rod is driven to move in the base by cooperating with the moving wheel, the device is facilitated to move, the moving range of the device is increased, and the device is facilitated to be maintained when the moving mechanism is damaged. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will be briefly introduced the drawings needed to be used in the embodiment description, obviously, the drawings in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings:

[0018] Fig. 1 It is the appearance structure schematic diagram of the utility model;

[0019] Fig. 2 It is the appearance structure schematic diagram of the utility model cross beam;

[0020] Fig. 3The utility model discloses a mobile assembly right side section view structure schematic diagram shows;

[0021] Fig. 4 The utility model discloses a hoisting mechanism appearance structure schematic diagram shows;

[0022] Fig. 5 The utility model discloses a hoisting mechanism right side section view structure schematic diagram shows;

[0023] Fig. 6 The utility model discloses a lifting assembly partial part appearance structure schematic diagram.

[0024] In the drawing: 1, bottom plate;2, base;3, moving mechanism;31, limit groove;32, moving motor;33, threaded rod;34, push block;35, baffle;36, connecting rod;37, limit block;38, moving wheel;4, ladder;5, support rod;6, crossbeam;7, hoisting mechanism;71, lifting assembly;711, lifting box;712, lifting motor;713, first gear;714, second gear;715, rotating shaft;716, moving rod;717, drive box;718, drive motor;719, drive block;7110, sliding slot;7111, steel wire rope;7112, third gear;7113, fourth gear;7114, fixed block;7115, roller;7116, fixed groove;7117, lifting hook;7118, toothed groove;72, rotating assembly;721, rotating box;722, double-shaft motor;723, rotating rod;724, moving gear;8, railing;9, rectangular groove;10, rack. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the utility model.

[0026] In the utility model, unless another explicit provision and limitation, the terms "mount", "connect", "connect", "fix" and other terms should be broad understanding, for example, can be fixed connection, can be detachable connection, or integral;Can be mechanical connection, can be electrical connection;Can be directly connected, can be indirectly connected through the intermediate medium, can be the communication of two elements or the interaction of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0027] Embodiment one:

[0028] Please refer toFigs. 1-3 The utility model provides a technical scheme: a kind of half door type double-beam crane, including bottom plate 1, bottom plate 1 top surface is fixedly connected with pedestal 2, and bottom plate 1 top surface is provided with moving mechanism 3, and support rod 5 is slidably connected in pedestal 2 inside, and support rod 5 front surface is fixedly connected with ladder 4, and support rod 5 top surface is fixedly connected with crossbeam 6, and crossbeam 6 top surface is fixedly connected with railing 8, and rectangular groove 9 is set in crossbeam 6 top surface, and rack 10 is fixedly connected in rectangular groove 9 inside, and hoisting mechanism 7 is arranged in rectangular groove 9 inside;Hoisting mechanism 7 includes lifting assembly 71 and rotating assembly 72, and rotating assembly 72 is arranged in rectangular groove 9 inside, and lifting assembly 71 is arranged in rotating assembly 72 bottom.

[0029] Further, moving mechanism 3 includes limiting slot 31, limiting slot 31 is fixedly connected in bottom plate 1 top surface, and moving motor 32 is fixedly connected in the front surface of limiting slot 31, and the output of moving motor 32 is fixedly connected with threaded rod 33, and threaded rod 33 is screw-connected in the inside of limiting slot 31, and push block 34 is rotatably connected on the surface of threaded rod 33, and connecting rod 36 is fixedly connected between push block 34, and limiting block 37 is fixedly connected on the right side of support rod 5, and moving wheel 38 is rotatably connected on the bottom surface of support rod 5, and moving wheel 38 is rotatably connected between limiting block 37, and baffle 35 is fixedly connected on the front surface and back surface of support rod 5, facilitate the movement of device, increase the moving range of device, facilitate maintenance.

[0030] Further, limiting block 37 is fixedly connected between connecting rod 36, facilitate driving support rod 5 to move.

[0031] Embodiment two:

[0032] Please refer to Figs. 4-6And combined with example one, further get, the lifting assembly 71 includes lifting box 711 and two rotating shafts 715, the lifting box 711 is fixedly connected at the bottom surface of the crossbeam 6, the lifting box 711 is fixedly connected with lifting motor 712 inside, the output end of the lifting motor 712 is fixedly connected with a rotating shaft 715, and the outside of the rotating shaft 715 is provided with a first gear 713, the rotating shaft 715 surface is provided with a toothed groove 7118, and the first gear 713 is limitedly and slidably connected on the surface of the rotating shaft 715 through the toothed groove 7118, and the surface of the rotating shaft 715 is fixedly connected with a third gear 7112, the other rotating shaft 715 is rotatably connected inside the lifting box 711, and the surface of the rotating shaft 715 is fixedly connected with a second gear 714 and a fourth gear 7113, the surface of the rotating shaft 715 is slidably connected with the first gear 713 near one end of the lifting motor 712, the steel wire rope 7111 is wound on the surface of the rotating shaft 715, the surface of the roller 7115 is rotatably connected with the fixed block 7114, the fixed block 7114 is fixedly connected with the fixed groove 7116 outside, the hook 7117 is fixedly connected with the driving box 717 on the bottom surface of the fixed groove 7116, the driving box 717 is fixedly connected with the driving motor 718 inside, the output end of the driving motor 718 is fixedly connected with the driving block 719, the surface of the driving block 719 is provided with a sliding groove 7110, the sliding groove 7110 is slidably connected with the moving rod 716 inside, and the moving rod 716 is rotatably connected with the surface of the first gear 713. The device is convenient for lifting, can change the lifting speed of the device, and increases the working efficiency of the device.

[0033] Further, the first gear 713 and the second gear 714 are engaged, and the third gear 7112 and the fourth gear 7113 are engaged, so that the device can change the speed when lifting, and the operation is convenient.

[0034] Further, the number of steel wire ropes 7111 is two, and the two steel wire ropes 7111 are distributed symmetrically along the center line of the bottom surface of the lifting box 711, so that the device can keep balance when working.

[0035] Further, the rotating assembly 72 includes a rotating box 721, the rotating box 721 is fixedly connected inside the rectangular groove 9, the double-shaft motor 722 is fixedly connected to the inner wall of the top surface of the rotating box 721, the output end of the double-shaft motor 722 is fixedly connected with a rotating rod 723, the rotating rod 723 is fixedly connected with a moving gear 724 on the surface, and the moving gear 724 is engaged on the surface of the rack 10, so that the hook 7117 can move inside the crossbeam 6.

[0036] In actual operation, when the device is used, first, the device is fixed in the workshop, the moving motor 32 is started, the threaded rod 33 is driven to rotate by the moving motor 32, the push block 34 on the surface of the threaded rod 33 moves the connecting block by cooperating with the limiting block 37, the push block 34 drives the connecting block to move, the moving wheel 38 is started, the supporting rod 5 moves in the base 2, the double-shaft motor 722 is started when the supporting rod 5 is moved to the designated position, the rotating rod 723 is driven to rotate by the double-shaft motor 722, the moving gear 724 on the surface of the rotating rod 723 is driven to rotate, the moving gear 724 drives the rotating box 721 to move by cooperating with the rack 10, the driving motor 718 is started when the rotating box 721 reaches the designated position, the driving block 719 is driven to rotate by the driving motor 718, the moving rod 716 is driven to move by the rotation of the driving block 719, the first gear 713 is driven to move by the moving rod 716, the first gear 713 is no longer engaged with the second gear 714, the lifting motor 712 is started, the rotating shaft 715 is driven to rotate by the lifting motor 712, the third gear 7112 on the surface of the rotating shaft 715 is driven to rotate, the fourth gear 7113 on the surface of the other rotating shaft 715 is driven to rotate by the third gear 7112, the steel wire rope 7111 on the surface of the rotating shaft 715 is lowered, the roller 7115 is started, the hook 7117 is lowered by the steel wire rope 7111, the driving motor 718 is started again after the hook 7117 is fixed, the first gear 713 is reset, the lifting speed is reduced by engaging the first gear 713 with the second gear 714, the lifting motor 712 is started again, the steel wire rope 7111 is driven to stretch and contract by the lifting motor 712, the roller 7115 is raised by the steel wire rope 7111, the hook 7117 is slowly raised, the hook 7117 is moved by the moving gear 724, and thus the semi-door type double-beam crane works.

[0037] It should be noted that the relational terms herein, such as first and second, are used solely to distinguish one from another entity or action, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises... " does not, without more limitations, preclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

Claims

1. A semi-gantry double-beam crane comprising a floor (1), characterized in that: The bottom plate (1) top surface is fixedly connected with the base (2), the bottom plate (1) top surface is provided with the moving mechanism (3), the base (2) inside is slidably connected with the support rod (5), the support rod (5) front surface is fixedly connected with the ladder (4), the support rod (5) top surface is fixedly connected with the crossbeam (6), the crossbeam (6) top surface is fixedly connected with the railing (8), the crossbeam (6) top surface is provided with the rectangular slot (9), the rectangular slot (9) inside is fixedly connected with the rack (10), the rectangular slot (9) inside is provided with the hoisting mechanism (7); The hoisting mechanism (7) includes lifting assembly (71) and rotating assembly (72), the rotating assembly (72) is arranged in the rectangular slot (9), the lifting assembly (71) is arranged in the rotating assembly (72) bottom.

2. A semi-gantry double girder crane according to claim 1, characterized in that: The lifting assembly (71) includes lifting box (711) and two rotating shafts (715), the lifting box (711) is fixedly connected on the crossbeam (6) bottom surface, the lifting box (711) inside is fixedly connected with the lifting motor (712), the lifting motor (712) output end is fixedly connected with a rotating shaft (715), and the rotating shaft (715) outside is provided with the first gear (713), the rotating shaft (715) surface is provided with the toothed groove (7118), and the first gear (713) is limitedly and slidably connected on the rotating shaft (715) surface through the toothed groove (7118), and the rotating shaft (715) surface is fixedly connected with the third gear (7112), another rotating shaft (715) is rotatably connected in the lifting box (711), and the rotating shaft (715) surface is fixedly connected with the second gear (714) and the fourth gear (7113), the rotating shaft (715) surface is slidably connected with the first gear (713) near one end of the lifting motor (712), the rotating shaft (715) surface is wound with the steel wire rope (7111), the steel wire rope (7111) surface is drivingly connected with the roller (7115), the roller (7115) surface is rotatably connected with the fixed block (7114), the fixed block (7114) outside is fixedly connected with the fixed slot (7116), the fixed slot (7116) bottom surface is fixedly connected with the lifting hook (7117), the lifting box (711) back surface is fixedly connected with the drive box (717), the drive box (717) inside is fixedly connected with the drive motor (718), the drive motor (718) output end is fixedly connected with the drive block (719), the drive block (719) surface is provided with the sliding slot (7110), the sliding slot (7110) inside is slidably connected with the moving rod (716), the moving rod (716) is rotatably connected on the first gear (713) surface.

3. A semi-gantry double girder crane according to claim 2, characterized in that: The first gear (713) and the second gear (714) are engaged, and the third gear (7112) and the fourth gear (7113) are engaged.

4. A semi portal double girder crane according to claim 2, characterized in that: The number of steel wire ropes (7111) is two, and the two steel wire ropes (7111) are distributed along the center line of the lifting box (711) bottom surface.

5. A semi portal double girder crane according to claim 1, characterized in that: The rotating assembly (72) comprises a rotating box (721), the rotating box (721) is fixedly connected inside the rectangular groove (9), the double-shaft motor (722) is fixedly connected to the inner wall of the top surface of the rotating box (721), the double-shaft motor (722) is fixedly connected to the inner wall of the top surface of the rotating box (721), the output end of the double-shaft motor (722) is fixedly connected with a rotating rod (723), the surface of the rotating rod (723) is fixedly connected with a moving gear (724), and the moving gear (724) is engaged on the surface of the rack (10).

6. A semi portal double girder crane according to claim 1, characterized in that: The moving mechanism (3) comprises a limiting groove (31) fixedly connected to the top surface of the bottom plate (1), a moving motor (32) fixedly connected to the front surface of the limiting groove (31), a threaded rod (33) fixedly connected to the output end of the moving motor (32), a push block (34) screw-connected to the surface of the threaded rod (33), a connecting rod (36) fixedly connected between the push blocks (34), a limiting block (37) fixedly connected to the right side of the supporting rod (5), a moving wheel (38) rotatably connected to the bottom surface of the supporting rod (5), and a baffle (35) fixedly connected to the front surface and the back surface of the supporting rod (5).

7. A semi-gantry double girder crane according to claim 6, characterized in that: The limiting block (37) and the connecting rod (36) are fixedly connected.

Citation Information

Patent Citations

  • Double-beam semi-portal crane

    CN213356734U