CN221253644U

CN221253644U - Trackless gantry crane

Info

Publication number: CN221253644U
Application number: CN202323170482.9U
Authority: CN
Inventors: 胡鸣尚; 胡林中; 胡鸣超
Original assignee: Henan Huanghe Explosion Proof Crane Co Ltd
Current assignee: Henan Huanghe Explosion Proof Crane Co Ltd
Priority date: 2023-11-23
Filing date: 2023-11-23
Publication date: 2024-07-02
Anticipated expiration: 2033-11-23

Abstract

The utility model relates to the technical field of portal cranes, and discloses a trackless portal crane which comprises a fixed plate, wherein mounting frames are arranged on two sides of the bottom end of the fixed plate, supporting rods are arranged at the bottom ends of the mounting frames, adjusting mechanisms are arranged at the bottom ends of the supporting rods, and electric wheels are arranged at the bottom ends of the adjusting mechanisms. According to the utility model, the second motor is controlled to start, so that the second motor drives the worm to rotate, the worm and the worm wheel are meshed for transmission, the worm wheel can be driven to stably rotate in the adjusting frame, the power on the worm wheel can be downwards transmitted to the electric wheel through the connecting block, the electric wheel can be driven to rotate, and the electric wheel can be driven to rotate for a certain angle by controlling the second motor to rotate for a certain number of turns, so that the electric wheel can be conveniently controlled to travel in the whole traveling direction of the gantry crane, and the problem that the conventional gantry crane is inconvenient to adjust the traveling direction is solved.

Description

Trackless gantry crane

Technical Field

The utility model relates to the technical field of portal cranes, in particular to a trackless portal crane.

Background

The portal crane, also called portal crane, is a deformation of bridge crane, the metal structure of the portal crane is like a portal frame, two support legs are arranged under a bearing girder, the portal crane can directly walk on a track on the ground, and the two ends of the girder can be provided with overhanging cantilever beams.

Most of existing gantry cranes are of a track type and can only travel along the track direction, so that the use place of the gantry crane is limited, the existing gantry crane is inconvenient to adjust the whole traveling direction, and the existing gantry crane lifting hook generates stronger vibration energy when lifting cargoes and moving, so that the service life of the gantry crane is influenced to a certain extent, and the problem of the gantry crane without the track is solved by the rail.

Disclosure of utility model

The utility model aims to solve the defects existing in the prior art, such as: most of existing gantry cranes are of a track type and can only travel along the track direction, so that the use place of the gantry crane is limited, the existing gantry crane is inconvenient to adjust the whole traveling direction, and the existing gantry crane lifting hook generates stronger vibration energy when lifting cargoes and moving, so that the service life of the gantry crane is influenced to a certain extent, and the proposed trackless gantry crane is provided.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides a gantry crane of trackless formula, includes the fixed plate, the mounting bracket is all installed to the both sides of fixed plate bottom, the bracing piece is all installed to the bottom of mounting bracket, adjustment mechanism is all installed to the bottom of bracing piece, electronic round is all installed to adjustment mechanism's bottom, first motor is installed in the left side on fixed plate top, the threaded rod is installed on the right side of first motor output shaft, movable mechanism is installed on the right side on fixed plate top, the inside at movable mechanism is installed on the right side of threaded rod, the mid-thread of threaded rod installs the thread bush, the support frame is transversely installed to the bottom of fixed plate, the mid-mounting of support frame inner chamber has the fly leaf, the hoist is installed to the bottom of fly leaf, the slide opening has transversely been seted up at the middle part on fly leaf top, the mid-mounting connecting rod on fly leaf top, the top of connecting rod passes slide opening and thread bush to be connected.

Preferably, the four corners of fly leaf bottom all have seted up the movable groove, damping mechanism is all installed to the interior roof in movable groove, limiting wheel is all installed to damping mechanism's bottom.

Preferably, the vibration reduction mechanism comprises a vibration reduction frame arranged in the middle of the inner top wall of the movable groove, a damper is arranged on the inner top wall of the vibration reduction frame, vibration reduction springs are arranged at the bottom ends of the dampers, supporting blocks are arranged at the bottom ends of the vibration reduction springs, and the bottoms of the supporting blocks are respectively connected with the tops of the limiting wheels.

Preferably, the adjustment mechanism is including installing the alignment jig in the bracing piece bottom, the equal movable mounting of interior roof of alignment jig has the worm wheel, the horizontal movable mounting in right side of alignment jig inner chamber has the worm, the rear side and the worm meshing of worm wheel are connected, the second motor is installed in the left side of alignment jig, the right side of second motor output shaft passes the alignment jig and is connected to the worm, the mid-mounting of worm wheel bottom has the connecting block, the bottom of connecting block passes the alignment jig and is connected with the top of electronic round.

Preferably, the movable mechanism comprises a movable frame arranged on the right side of the top end of the fixed plate, a movable bearing is arranged in the movable frame, and the right side of the threaded rod is arranged in the movable bearing.

Preferably, the front side and the rear side of the inner bottom wall of the supporting frame are both transversely provided with limiting grooves, and the bottoms of the limiting wheels are respectively movably inserted into the limiting grooves.

Preferably, the front side and the rear side of the bottom end of the support frame are both transversely provided with reinforcing strips.

Preferably, the bottom of bracing piece both sides all installs the boss, the bottom of boss all is connected with the top of alignment jig.

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

(1) According to the utility model, the second motor is controlled to start, so that the second motor drives the worm to rotate, the worm and the worm wheel are meshed for transmission, the worm wheel can be driven to stably rotate in the adjusting frame, the power on the worm wheel can be downwards transmitted to the electric wheel through the connecting block, the electric wheel can be driven to rotate, and the electric wheel can be driven to rotate for a certain angle by controlling the second motor to rotate for a certain number of turns, so that the electric wheel can be conveniently controlled to travel in the whole traveling direction of the gantry crane, and the problem that the conventional gantry crane is inconvenient to adjust the traveling direction is solved.

(2) According to the utility model, the first motor is controlled to drive the threaded rod to rotate, so that the threaded rod and the threaded sleeve are in threaded transmission, the movable plate can be driven to move left and right in the support frame, so that the lifting hook of the gantry crane can be adjusted in position, goods can be conveniently lifted, the movable plate can generate stronger vibration in the process of moving in the support frame, the movable plate can transfer vibration energy into the vibration reduction frame, and the vibration energy can be absorbed and digested through the combined action of the damper and the vibration reduction spring, so that the influence of the vibration energy on the whole gantry crane structure can be reduced, and the gantry crane is prevented from being damaged in the long-time use process.

Drawings

FIG. 1 is a schematic view of the overall internal structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic cross-sectional view of the inside of the support frame of the present utility model;

FIG. 4 is a schematic diagram of a first embodiment of the present utility model;

FIG. 5 is a schematic diagram of a second embodiment of the present utility model;

Fig. 6 is a schematic structural diagram of a third embodiment of the present utility model.

In the figure: 1. a fixing plate; 2. a first motor; 3. a threaded rod; 4. a thread sleeve; 5. a mounting frame; 6. a slide hole; 7. a movable mechanism; 71. a movable frame; 72. a movable bearing; 8. a vibration damping mechanism; 81. a vibration reduction rack; 82. a damper; 83. a damping spring; 84. a support block; 9. an adjusting mechanism; 91. an adjusting frame; 92. a worm; 93. a second motor; 94. a worm wheel; 95. a connecting block; 10. a support frame; 11. a lifting appliance; 12. an electric wheel; 13. a support rod; 14. a reinforcing block; 15. a connecting rod; 16. a movable plate; 17. reinforcing strips; 18. a movable groove; 19. a limiting wheel; 20. and a limit groove.

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.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to FIGS. 1-6, a trackless portal crane comprises a fixed plate 1, wherein mounting frames 5 are respectively mounted on two sides of the bottom end of the fixed plate 1, supporting rods 13 are respectively mounted on the bottom ends of the mounting frames 5, adjusting mechanisms 9 are respectively mounted on the bottom ends of the supporting rods 13, reinforcing blocks 14 are respectively mounted on the bottoms of the two sides of the supporting rods 13, the bottom ends of the reinforcing blocks 14 are respectively connected with the top ends of adjusting frames 91, the strength of connection between the supporting rods 13 and the adjusting frames 91 can be improved through the reinforcing blocks 14, the condition of fracture between the adjusting frames 91 and the supporting rods 13 is prevented, electric wheels 12 are respectively mounted on the bottom ends of the adjusting mechanisms 9, a first motor 2 is mounted on the left side of the top end of the fixed plate 1, a threaded rod 3 is mounted on the right side of an output shaft of the first motor 2, a movable mechanism 7 is mounted on the right side of the top end of the fixed plate 1, the right side of the threaded rod 3 is mounted inside the movable mechanism 7, the middle thread of the threaded rod 3 is provided with the thread bush 4, the bottom end of the fixed plate 1 is transversely provided with the support frame 10, the front side and the rear side of the bottom end of the support frame 10 are transversely provided with the reinforcing bars 17, the strength of the bottom of the support frame 10 can be improved through the reinforcing bars 17, the bottom of the support frame 10 is prevented from deforming when being lifted by the lifting appliance 11, the middle part of the inner cavity of the support frame 10 is movably provided with the movable plate 16, the lifting appliance 11 is arranged at the bottom end of the movable plate 16, the threaded rod 3 is driven to rotate by controlling the first motor 2, the threaded rod 3 and the thread bush 4 are driven to carry out thread transmission, the movable plate 16 can be driven to move left and right in the inside of the support frame 10, the lifting hook of the gantry crane can be adjusted, the cargo is conveniently lifted, the sliding hole 6 is transversely arranged in the middle of the fixed plate 1, the middle part of the top end of the movable plate 16 is provided with the connecting rod 15, the top of connecting rod 15 passes slide hole 6 and thread bush 4 to being connected, movable groove 18 has all been seted up to the four corners of fly leaf 16 bottom, damping mechanism 8 is all installed to the interior roof in movable groove 18, spacing wheel 19 is all installed to damping mechanism 8's bottom, spacing groove 20 has all transversely been seted up to the front and back both sides of the internal bottom wall of support frame 10, the bottom of spacing wheel 19 is movable respectively alternates in the inside of spacing groove 20, roll in the inside of spacing groove 20 through spacing wheel 19, can make fly leaf 16 keep stable when removing, prevent that fly leaf 16 from taking place the position skew when removing.

Embodiment one:

As shown in fig. 4, adjustment mechanism 9 includes the alignment jig 91 of installing in bracing piece 13 bottom, the equal movable mounting of interior roof of alignment jig 91 has worm wheel 94, the horizontal movable mounting in right side in alignment jig 91 inner chamber has worm 92, the rear side and the worm 92 meshing of worm wheel 94 are connected, second motor 93 is installed in the left side of alignment jig 91, the right side of second motor 93 output shaft passes alignment jig 91 and worm 92 to being connected, the mid-mounting of worm wheel 94 bottom has connecting block 95, the bottom of connecting block 95 passes alignment jig 91 and electric wheel 12's top is connected, start through control second motor 93, can make second motor 93 drive worm 92 rotate, make worm 92 and worm wheel 94 carry out meshing transmission, can drive worm wheel 94 in alignment jig 91's inside steady rotation, can transmit the power on worm wheel 94 downwards to electric wheel 12 through connecting block 95, can drive electric wheel 12 and rotate, through control second motor 93 and rotate certain number of turns, can drive electric wheel 12 and rotate certain angle, thereby can make things convenient for electric wheel 12 at the in-process of marcing, the current gantry crane's direction of marching, the inconvenient adjustment direction has been solved.

Embodiment two:

As shown in fig. 5, the vibration damping mechanism 8 includes a vibration damping frame 81 installed in the middle of the inner top wall of the movable groove 18, a damper 82 is installed on the inner top wall of the vibration damping frame 81, a vibration damping spring 83 is installed at the bottom end of the damper 82, a supporting block 84 is installed at the bottom end of the vibration damping spring 83, the bottom of the supporting block 84 is respectively connected with the top of the limiting wheel 19, vibration energy can be absorbed and resolved through the combined action of the damper 82 and the vibration damping spring 83, and accordingly the influence of vibration energy on the whole gantry crane structure can be reduced, and damage to the gantry crane in the long-time use process is avoided.

Embodiment III:

as shown in fig. 6, the movable mechanism 7 includes a movable frame 71 mounted on the right side of the top end of the fixed plate 1, a movable bearing 72 is mounted in the movable frame 71, the right side of the threaded rod 3 is mounted in the movable bearing 72, and the movable bearing 72 can stably support the right side of the threaded rod 3, so that the threaded rod 3 is stable during rotation.

In the utility model, when a user uses the device, the first motor 2 is controlled to drive the threaded rod 3 to rotate, so that the threaded rod 3 and the threaded sleeve 4 are in threaded transmission, the movable plate 16 can be driven to move left and right in the support frame 10, the lifting tool 11 is controlled to move downwards, the lifting tool 11 lifts goods, when the position of the whole gantry crane is adjusted, an operator controls the electric wheels 12 to rotate through the remote control device, the electric wheels 12 can drive the whole gantry crane to move, during the movement of the gantry crane, the second motor 93 is controlled to start, the second motor 93 drives the worm 92 to rotate, the worm 92 and the worm wheel 94 are in meshed transmission, the worm wheel 94 is driven to rotate stably in the adjusting frame 91, the connecting block 95 can transmit the power on the worm wheel 94 downwards to the electric wheels 12, the electric wheels 12 are driven to rotate, the second motor 93 is controlled to rotate for a certain number of turns, the electric wheels 12 are driven to rotate for a certain angle, and the corresponding control of each electric wheel 12 is controlled, so that the travelling direction of the whole gantry crane can be conveniently controlled in the travelling process.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a gantry crane of trackless formula, includes fixed plate (1), a serial communication port, mounting bracket (5) are all installed to the both sides of fixed plate (1) bottom, bracing piece (13) are all installed to the bottom of mounting bracket (5), adjustment mechanism (9) are all installed to the bottom of bracing piece (13), electronic round (12) are all installed to the bottom of adjustment mechanism (9), first motor (2) are installed in the left side on fixed plate (1) top, threaded rod (3) are installed on the right side of first motor (2) output shaft, movable mechanism (7) are installed on the right side on fixed plate (1) top, the inside at movable mechanism (7) is installed on the right side on threaded rod (3), threaded sleeve (4) are installed to the middle part screw thread of threaded rod (3), support frame (10) are transversely installed to the bottom of fixed plate (1), movable plate (16) are installed in the middle part movable mounting of support frame (10) inner chamber, hoist (11) are installed to the bottom of movable plate (16), movable plate (1) is equipped with movable plate (16) are installed in middle part (6) and are installed in the top of connecting rod (15), the top end of the connecting rod (15) penetrates through the sliding hole (6) and is connected with the threaded sleeve (4) in the direction.

2. The trackless portal crane according to claim 1, wherein the four corners of the bottom end of the movable plate (16) are provided with movable grooves (18), the inner top walls of the movable grooves (18) are provided with vibration reduction mechanisms (8), and the bottom ends of the vibration reduction mechanisms (8) are provided with limit wheels (19).

3. The trackless portal crane according to claim 2, wherein the vibration damping mechanism (8) comprises a vibration damping frame (81) installed in the middle of the inner top wall of the movable groove (18), a damper (82) is installed on the inner top wall of the vibration damping frame (81), vibration damping springs (83) are installed at the bottom ends of the dampers (82), supporting blocks (84) are installed at the bottom ends of the vibration damping springs (83), and the bottoms of the supporting blocks (84) are respectively connected with the tops of the limiting wheels (19).

4. The trackless portal crane according to claim 1, wherein the adjusting mechanism (9) comprises an adjusting frame (91) installed at the bottom end of the supporting rod (13), worm wheels (94) are movably installed on the inner top wall of the adjusting frame (91), a worm (92) is transversely movably installed on the right side of an inner cavity of the adjusting frame (91), the rear side of the worm wheels (94) is meshed with the worm (92), a second motor (93) is installed on the left side of the adjusting frame (91), the right side of an output shaft of the second motor (93) penetrates through the adjusting frame (91) to be connected with the worm (92), a connecting block (95) is installed in the middle of the bottom end of the worm wheels (94), and the bottom end of the connecting block (95) penetrates through the adjusting frame (91) to be connected with the top of the electric wheel (12).

5. A trolley-free gantry crane according to claim 1, characterized in that the movable mechanism (7) comprises a movable frame (71) mounted on the right side of the top end of the fixed plate (1), a movable bearing (72) is mounted in the movable frame (71), and the right side of the threaded rod (3) is mounted in the movable bearing (72).

6. The trackless gantry crane according to claim 2, wherein limiting grooves (20) are formed in the front side and the rear side of the inner bottom wall of the supporting frame (10) transversely, and the bottoms of the limiting wheels (19) are movably inserted into the limiting grooves (20) respectively.

7. A trolley-free gantry crane according to claim 1, characterized in that the front and rear sides of the bottom end of the support frame (10) are provided with reinforcing bars (17) in a transverse direction.

8. The trackless portal crane according to claim 4, wherein the bottom parts of both sides of the supporting bar (13) are provided with reinforcing blocks (14), and the bottom ends of the reinforcing blocks (14) are connected with the top ends of the adjusting frames (91).