CN217498491U

CN217498491U - Inverted gantry crane

Info

Publication number: CN217498491U
Application number: CN202221458118.5U
Authority: CN
Inventors: 姜占元
Original assignee: Wuxi Yuanyida Technology Co ltd
Current assignee: Wuxi Yuanyida Technology Co ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-09-27
Anticipated expiration: 2032-06-13

Abstract

The utility model discloses a reverse hanging gantry crane uses in the heavy object field of lifting by crane, and its technical scheme main points are: the ceiling beam structure comprises vertical beams arranged along the vertical direction, wherein the upper ends of the vertical beams are fixed on a ceiling; the upper end of the beam is fixed with an upper cross bar which is horizontally arranged; the vertical beam is connected with a cross beam arranged along the horizontal direction in a sliding manner, the cross beam is always positioned below the upper cross rod, and the cross beam is provided with a hook; the upper cross rod is connected with the cross beam through a traction rope, the cross beam is rotatably connected with a rope coiling wheel, one end of the traction rope is wound on the rope coiling wheel, the rope coiling wheel is connected with a lifting driving device, and the rope coiling wheel is driven to rotate; a locking assembly is arranged at the sliding connection position of the cross beam and the vertical beam to lock the cross beam on the vertical beam; has the technical effects that: can install the device and accomplish the operation on the ceiling or other high support frames, avoid influencing the passing through of below personnel and transport vechicle.

Description

Reverse hanging type gantry crane

Technical Field

The utility model relates to a heavy object field of lifting by crane, in particular to hanging-upside-down gantry crane.

Background

In the production process, the heavy object is often required to be loaded, the hoisting tool is used in a large amount in the production process, and the gantry crane is simple and reasonable in structure, convenient to detach and good in heavy object lifting effect, so that the gantry crane becomes a common hoisting tool.

At present, the chinese patent application with publication number CN110921504A discloses a gantry crane, which includes a fixed support, a crane disposed on the fixed support and moving relative to the fixed support, a transmission assembly for driving the crane to move, and a driving member for driving the transmission assembly to move; the transmission assembly comprises a first fixed pulley, a second fixed pulley and a movable pulley, wherein the first fixed pulley and the second fixed pulley are connected with the fixed support at intervals, the movable pulley is arranged between the first fixed pulley and the second fixed pulley, and the first fixed pulley, the second fixed pulley and the movable pulley are connected in a winding mode through chains; the first fixed pulley, the second fixed pulley and the movable pulley are all positioned above the lifting frame, and the chain is connected with the lifting frame; the driving piece drives the movable pulley to move, and the moving direction of the movable pulley is vertical to the plane of the lifting frame.

Although an existing gantry crane can well lift heavy objects, the gantry crane needs to be placed on the ground, and space for people or objects to pass through is occupied.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a reverse hanging portal crane, its advantage can install the device and accomplish the operation on the ceiling or other high higher support frames, avoids influencing passing through of below personnel and transport vechicle.

The above technical purpose of the present invention can be achieved by the following technical solutions: the device comprises a vertical beam arranged along the vertical direction, wherein the upper end of the vertical beam is fixed on a ceiling; an upper cross rod which is horizontally arranged is fixed at the upper end of the cross beam; the vertical beam is connected with a cross beam arranged along the horizontal direction in a sliding manner, the cross beam is always positioned below the upper cross rod, and the cross beam is provided with a hook; the lifting device is characterized in that the upper cross rod is connected with the cross beam through a traction rope, a rope coiling wheel is rotatably connected to the cross beam, one end of the traction rope is wound on the rope coiling wheel, the rope coiling wheel is connected with a lifting driving device, and the rope coiling wheel is driven to rotate; and a locking assembly is arranged at the sliding connection part of the cross beam and the vertical beam and locks the cross beam on the vertical beam.

Through the technical scheme, the vertical beam is used for fixing the gantry crane on a ceiling and providing a track for the sliding of the cross beam, and the hook on the cross beam is used for hanging a heavy object so as to lift the heavy object through the telemechanical action of the cross beam; the lifting driving device drives the rope wheel to rotate, and the traction rope is wound on the rope wheel when the rope wheel rotates, so that the length of the traction rope between the upper cross rod and the cross beam is gradually reduced, the distance between the upper cross rod and the cross beam is gradually reduced, and the cross beam can be lifted because the upper cross rod is fixed on the vertical beam; the locking assembly is used to lock the beam at a particular height after the beam is raised to the appropriate height.

The utility model discloses further set up to: the locking assembly comprises a waist hole, a locking block and a locking driving device;

a plurality of waist holes are formed in the vertical beam along the vertical direction;

the locking block is connected to the cross beam in a sliding mode, the sliding direction is arranged along the horizontal direction, and the locking driving device drives the locking block to slide and insert into and pull out of the waist hole.

Through the technical scheme, the locking driving device drives the locking block to transversely slide so as to control the locking block to be inserted into or pulled out of the waist hole, when the locking block is inserted into the waist hole, the cross beam is locked at a specific height, and when the locking block is pulled out of the waist hole, the cross beam can continuously slide.

The utility model discloses further set up to: the upper cross rod and the cross beam are provided with a plurality of rollers, the traction ropes are abutted to the rollers, and the stress direction is changed through the rollers.

Through above-mentioned technical scheme, through the supporting role of a plurality of gyro wheels to the haulage rope, increase the atress that the haulage rope was shared with this to the stress point of haulage rope, increase the life of haulage rope, reduce the required power when lifting.

The utility model discloses further set up to: limiting blocks are fixed at the upper end and the lower end of the vertical beam to limit the maximum range of the sliding of the cross beam on the vertical beam.

Through the technical scheme, the limiting block blocks the beam from continuing to move, the maximum moving range of the beam is limited in a hard limiting mode, and the safety is good and the stability is high.

The utility model discloses further set up to: the lifting driving device is a servo motor, and a gear box is arranged at the joint of the servo motor and a rotating shaft of the disc rope wheel.

Through above-mentioned technical scheme, servo motor can drive the positive rotation of dish rope sheave or reverse rotation to this lifting or the decline of controlling the crossbeam, the gear box can change servo motor and act on the rotation direction on the dish rope sheave, provides the basis for the use of two dish rope sheaves.

The utility model discloses further set up to: and the beam is provided with a distance measuring sensor for detecting the height of the beam from the ground.

Through the technical scheme, the height of the cross beam from the ground can be detected, the driving speed of the lifting driving device can be controlled by sending signals when the height is low, the rotating speed is reduced, and the use safety is ensured.

The utility model discloses further set up to: the two rope coiling wheels are connected through a rotating shaft;

the rollers are symmetrically arranged by the symmetrical lines of the two rope coiling wheels.

Through above-mentioned technical scheme, can be connected through the haulage rope rather than close gyro wheel respectively through two rope winding wheels, come to carry out the lifting simultaneously to the both ends of crossbeam, the lifting is more stable, and the atress of single haulage rope also diminishes, increases the life of haulage rope.

The utility model discloses further set up to: still include adjusting screw and adjusting ring, adjusting ring and adjusting screw are provided with two, and two adjusting ring cover are established the pivot is close to the one end of dish rope sheave, adjusting screw and crossbeam threaded connection, and the direction of removal sets up along vertical direction, and the bottom and the adjusting ring of adjusting screw offset.

Through above-mentioned technical scheme, can be through rotatory adjusting screw extrusion adjusting ring, finely tune the height of two adjusting rings to this relative height who adjusts two dish rope wheels makes two dish rope wheels be located same water flat line and so that when making the haulage rope pull the crossbeam and lift, both ends atress is even.

To sum up, the utility model discloses following beneficial effect has:

1. the floor is prevented from occupying the ground position by being hung on a ceiling for use, and the utilization rate of space is improved;

2. through multiple structure locking spacing, prevent that the crossbeam from falling and hindering the people, the security is high.

Drawings

Fig. 1 is an overall configuration diagram of the present embodiment;

FIG. 2 is a schematic view showing the overall reverse structure of the present embodiment;

fig. 3 is a schematic structural diagram of the structure of the pulley, the adjusting screw and the adjusting ring of the present embodiment;

fig. 4 is a schematic structural view of the locking assembly of the present embodiment.

Reference numerals: 1. erecting a beam; 2. an upper cross bar; 3. a lower cross bar; 4. a cross beam; 5. a locking assembly; 6. a ranging sensor; 7. adjusting screws; 8. a limiting block; 9. a lift drive; 10. a gear case; 12. coiling a rope wheel; 13. hooking; 14. a first roller; 15. a second roller; 16. a third roller; 17. a fourth roller; 18. a fifth roller; 19. a sixth roller; 20. a slide rail; 21. a slider; 22. an adjustment ring; 23. a rotating shaft; 24. a fixing ring; 51. a waist hole; 52. a locking block; 53. and locking the driving device.

Detailed Description

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

The embodiment is as follows:

referring to fig. 1 and 2, a reverse hanging type gantry crane comprises vertical beams 1 arranged along the vertical direction, wherein the upper ends of the vertical beams 1 are fixed on a ceiling through screws, the vertical beams 1 are provided with two vertical beams, an upper cross rod 2 horizontally arranged is welded and fixed at the upper end of each vertical beam 1, a lower cross rod 3 is welded and fixed at the lower end of each vertical beam 1 for enhancing the structural strength, and the two vertical beams 1, the upper cross rod 2 and the lower cross rod 3 form a stable frame structure.

The two vertical beams 1 are fixed with slide rails 20, the arrangement direction of the slide rails 20 is the same as that of the vertical beams 1, and the two vertical beams 1 are arranged; the sliding rail 20 is connected with a sliding block 21 in a sliding manner, the vertical beam 1 is connected with a cross beam 4 in a sliding manner, the cross beam 4 is arranged along the horizontal direction, and two ends of the cross beam 4 are respectively fixed with one sliding block 21 through screws; the crossbeam 4 is arranged below the upper cross rod 2, and a hook 13 is fixed at the lower end of the crossbeam 4 and used for hoisting heavy objects.

Referring to fig. 1 and 4, further comprising a locking assembly 5, wherein the locking assembly 5 comprises a waist hole 51, a locking block 52 and a locking driving device 53; a plurality of waist holes 51 are formed in the vertical beam 1 along the vertical direction; the latch segment 52 is connected on the cross beam 4 through the latch seat sliding connection, the latch seat is fixed on the cross beam 4, a locking groove is formed, the latch segment 52 is connected in the locking groove sliding connection, the sliding direction is arranged along the horizontal direction, the latch segment 52 is driven by the locking driving device 53 to slide, in the embodiment, the locking driving device 53 is an air cylinder, the cylinder body part of the air cylinder is fixed on the latch seat, the piston rod is in interference connection with the latch segment 52, and the air cylinder drives the latch segment 52 to insert and extract the waist hole 51.

Referring to fig. 1 and 3, a lifting driving device 9 is fixed on the cross beam 4 through screws, in this embodiment, the lifting driving device 9 is a servo motor, a rotating shaft 23 of the servo motor is structurally connected with the rotating shaft 23 through a gear box 10, the axial direction of the rotating shaft 23 is arranged along the horizontal direction, the servo motor drives the rotating shaft 23 to rotate clockwise or counterclockwise, and two ends of the rotating shaft 23 are respectively connected with a rope winding wheel 12 in an interference manner.

Go up horizontal pole 2 and crossbeam 4 and be provided with a plurality of gyro wheels on, in this embodiment, rotate on last horizontal pole 2 and be connected with four gyro wheels, rotate on crossbeam 4 and be connected with two gyro wheels, according to crossbeam 4 length direction's linear order, denominate it as a gyro wheel, No. two gyro wheels, No. three gyro wheels, No. four gyro wheels, No. five gyro wheels and No. six gyro wheels, wherein No. two gyro wheels and No. five gyro wheels set up on crossbeam 4.

Two fixing rings 24 (refer to fig. 4) are welded and fixed on the cross beam 4, one fixing ring is fixed at each of two ends, a traction rope is fixed on each fixing ring 24, one end of the first traction rope is fixed with the fixing ring 24, and the first traction rope, the second traction rope and the third traction rope pass through the upper part of the first roller, the lower part of the second roller and the upper part of the third roller and are wound on the rope coiling wheel 12; one end of the second traction rope is fixed with the fixing ring 24, and is wound on the rope coiling wheel 12 through the position above the fourth roller, the position below the fifth roller and the position above the sixth roller, the rope coiling wheel 12 rotates, and the driving beam 4 moves in the vertical direction.

Referring to fig. 1, the upper and lower ends of the vertical beam 1 are fixed with limit blocks 8 to limit the maximum range of the sliding of the cross beam 4 on the vertical beam 1.

Referring to fig. 1, a distance measuring sensor 6 is disposed on the cross beam 4 for detecting the height of the cross beam 4 from the ground.

Referring to fig. 3, the rope winding device further comprises an adjusting screw 7 and two adjusting rings 22, the two adjusting rings 22 and the two adjusting screws 7 are arranged, the rotating shaft 23 is close to one end of the rope winding wheel 12, the adjusting screw 7 is in threaded connection with the cross beam 4, the moving direction is arranged in the vertical direction, and the bottom end of the adjusting screw 7 is abutted to the adjusting rings 22.

The using process is briefly described as follows: when the device is used, a heavy object is hung on a hook 13 fixed on the cross beam 4, a servo motor drives a disc rope wheel 12 to rotate, a traction rope is wound on the disc rope wheel 12, the length of the traction rope between a fixing ring 24 and the disc rope wheel 12 is reduced, the cross beam 4 moves towards the direction of the upper cross rod 2, namely upwards, the heavy object is lifted, after the proper height is reached, a locking driving device 53 drives a locking block 52 to be inserted into a waist hole 51, the relative position of the cross beam 4 is fixed, and a limiting block 8 limits the maximum lifting height of the cross beam 4; when whereabouts, servo motor driving disc rope sheave 12 counter rotation, the length increase of the haulage rope between fixed ring to the rope sheave 12, crossbeam 4 whereabouts, for guaranteeing safety, when descending to a take the altitude, range sensor 6 detects the signal, and the slowdown of the descending speed of crossbeam 4 limits the minimum height of its whereabouts through stopper 8.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The inverted gantry crane comprises a vertical beam (1) arranged in the vertical direction, wherein the upper end of the vertical beam (1) is fixed on a ceiling; the upper end of the beam (4) is fixed with an upper cross bar (2) which is horizontally arranged; the vertical beam (1) is connected with a cross beam (4) arranged along the horizontal direction in a sliding manner, the cross beam (4) is always positioned below the upper cross rod (2), and a hook (13) is arranged on the cross beam (4); the device is characterized in that the upper cross rod (2) is connected with the cross beam (4) through a traction rope, a disc rope wheel (12) is rotatably connected to the cross beam (4), one end of the traction rope is wound on the disc rope wheel (12), the disc rope wheel (12) is connected with a lifting driving device (9), and the disc rope wheel (12) is driven to rotate; a locking assembly (5) is arranged at the sliding connection position of the cross beam (4) and the vertical beam (1) to lock the cross beam (4) on the vertical beam (1).

2. The hanging gantry crane according to claim 1, wherein said locking assembly (5) comprises a waist hole (51), a locking block (52) and a locking driving device (53);

a plurality of waist holes (51) are formed in the vertical beam (1) along the vertical direction;

the locking block (52) is connected to the cross beam (4) in a sliding mode, the sliding direction is arranged along the horizontal direction, the locking block (52) is driven by the locking driving device (53) to slide, and the locking block is inserted into and pulled out of the waist hole (51).

3. The inverted gantry crane according to claim 1, wherein the upper beam (2) and the cross beam (4) are provided with a plurality of rollers, the traction rope is abutted against the plurality of rollers, and the force bearing direction is changed by the rollers.

4. The inverted gantry crane according to claim 1, wherein the limiting blocks (8) are fixed to the upper and lower ends of the vertical beam (1) to limit the maximum range of the sliding of the cross beam (4) on the vertical beam (1).

5. The hanging gantry crane according to claim 1, wherein the lifting driving device (9) is a servo motor, and a gear box (10) is arranged at the connection of the servo motor and a rotating shaft (23) of the disc-rope wheel (12).

6. The inverted gantry crane according to claim 1, wherein the beam (4) is provided with a distance measuring sensor (6) for detecting the height of the beam (4) from the ground.

7. The hanging gantry crane according to claim 3, wherein there are two disc sheaves (12), and the two disc sheaves (12) are connected by a rotating shaft (23);

the rollers are symmetrically arranged with the symmetry line of the two rope coiling wheels (12).

8. The inverted gantry crane according to claim 7, further comprising two adjusting screws (7) and two adjusting rings (22), wherein the two adjusting rings (22) are arranged on the rotating shaft (23) and close to one end of the rope coiling wheel (12), the two adjusting rings (22) are sleeved on the rotating shaft (23), the adjusting screws (7) are in threaded connection with the cross beam (4), the moving direction is arranged in the vertical direction, and the bottom ends of the adjusting screws (7) are abutted to the adjusting rings (22).