Crane lifting device capable of stably lifting

Abstract

The utility model discloses a crane lifting device capable of lifting stably, which belongs to the field of cranes and comprises a base, a stand column is fixedly arranged at the upper end of the base, a motor is fixedly arranged at the upper end of the stand column, a rotating column is fixedly arranged on a motor shaft of the motor, an annular groove is formed in the rotating column, and the rotating column is connected with a lifting hook through a second telescopic rod. The first telescopic rod is connected with the left side of the second telescopic rod, so that the first telescopic rod is conveniently driven to axially move through the movement of the second telescopic rod, the lifting hook is conveniently driven to axially move, the moving range of the lifting device of the crane is enlarged, and work is convenient; the motor shaft drives the rotating column to rotate, so that the cross beam is conveniently driven to rotate, the first telescopic rod and the second telescopic rod at the upper end of the cross beam are conveniently driven to rotate, the lifting hook is conveniently driven to rotate, the lifting device has a rotating effect, and the working effect of the lifting device is improved.

Description

Technical Field

[0001] The utility model relates to the field of cranes, and more specifically to a crane lifting device with stable lifting performance. Background Art

[0002] A crane is a multi-action lifting machine that can lift heavy objects vertically and carry them horizontally within a certain range. It is also called an overhead crane, overhead crane, or crane.

[0003] For example, a crane lifting device disclosed in announcement No. CN207524855U includes a cross bar, the ends of which are rotatably connected to columns via a rotating shaft, the columns including a telescopic column and a fixed column, a hydraulic mechanism is fixedly arranged inside the fixed column, a base plate is fixedly arranged at the bottom end of the fixed column, a stabilizing column is fixedly arranged on the upper surface of the base plate, a protective device is arranged at the connection between the stabilizing column and the fixed column, a non-slip pad is fixedly arranged on the inner wall of the protective device by bonding, a reinforcing protrusion is fixedly arranged inside the non-slip pad, the length of the cross bar can be changed by a hydraulic drive device, and longer-distance lifting can be achieved within the effective range without frequently moving the position of the crane, the telescopic rod and the fixed rod can adjust the height, and higher lifting can be achieved within the effective range, and the protective device can reinforce the fixed rod and prevent the stabilizing column from detaching from it, thereby extending the service life of the crane and improving safety.

[0004] It can be seen from the above-mentioned public scheme that the lifting function of the current crane is mostly a vertically arranged lifting structure, and the lifting structure cannot achieve the effect of axial movement, thereby reducing the use effect and range of activity of the lifting structure. At the same time, the lifting structure of the crane does not have a rotation effect, which brings a lot of inconvenience to use. Utility Model Content

[0005] The utility model aims to provide a crane lifting device with stable lifting and lowering, so as to solve the problem of axial movement and rotation effect of the crane lifting device.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a crane lifting device with stable lifting, comprising a base, a column is fixedly arranged on the upper end of the base, a motor is fixedly arranged on the upper end of the column, a rotating column is fixedly arranged on the motor shaft of the motor, the rotating column is provided with an annular groove, a supporting ring is fixedly arranged on the outer side of the upper end of the column, a plurality of latches are connected to the upper end of the supporting ring by threaded rotation, a cross beam is fixedly arranged on the upper end of the rotating column, a convex block is fixedly arranged on the left side of the upper end of the cross beam, a first telescopic rod is fixedly arranged on the upper end of the convex block, a second telescopic rod is fixedly arranged on the right side of the first telescopic rod, the cross beam is provided with a through groove, and the upper and lower ends of the cross beam are fixedly provided with a plurality of latches. The ends are respectively provided with sliders for sliding movement, the sliders are provided with sliding holes, the sliders are fixedly provided with connecting blocks, and the hook is connected through the second telescopic rod to facilitate the hook to be lifted and lowered vertically, and the first telescopic rod is connected to the left side of the second telescopic rod, so that the first telescopic rod is driven to move axially through the movement of the second telescopic rod, thereby facilitating the axial movement of the hook, thereby increasing the moving range of the crane lifting device and facilitating work. At the same time, through the setting of the motor, the motor shaft drives the rotating column to rotate, thereby facilitating the rotation of the beam, and conveniently driving the first telescopic rod and the second telescopic rod at the upper end of the beam to rotate, thereby facilitating the rotation of the hook, so that the lifting device has a rotation effect, and the working effect of the lifting device is increased.

[0007] Preferably, the motor is arranged inside the support ring, the motor shaft is arranged inside the support ring, and the column and the rotating column are fixed by a device in the prior art. When there is no need to rotate the rotating column, the device in the prior art limits the column and the rotating column to prevent the rotating column from driving the crossbeam to rotate.

[0008] Preferably, the lower end of the rotating column is rotatably arranged inside the support ring, and the lower end of the column, the upper end of the rotating column and the lower end of the rotating column are respectively fixed with reinforcement blocks, and the pin is rotatably arranged inside the annular groove. Through the setting of the base, it is convenient to install the column through the base limit, and the annular groove and the pin are rotatably engaged to facilitate the limited connection between the column and the rotating column. Through the setting of the support ring, the motor is wrapped and the connection between the column and the rotating column is limited.

[0009] Preferably, a hanging block is fixedly provided at the lower end of the second telescopic rod, and a hanging hook is fixedly provided at the lower end of the hanging block. The setting of the slider facilitates the left and right sliding of the first telescopic rod to avoid sliding friction between the first telescopic rod and the crossbeam.

[0010] Preferably, the second telescopic rod slides through the interior of the through slot, the second telescopic rod is fixedly arranged at the upper end of the slider, the second telescopic rod slides through the interior of the slide hole, and the connecting block is slidably arranged inside the through slot.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] (1) The utility model connects the hook via the second telescopic rod, which facilitates the hook to be lifted and lowered vertically, and the first telescopic rod is connected to the left side of the second telescopic rod, which facilitates the axial movement of the first telescopic rod through the movement of the second telescopic rod, thereby facilitating the axial movement of the hook, thereby increasing the moving range of the crane lifting device and facilitating work.

[0013] (2) The utility model uses the setting of the motor, and the motor shaft drives the rotating column to rotate, thereby facilitating the rotation of the crossbeam, and conveniently driving the first telescopic rod and the second telescopic rod at the upper end of the crossbeam to rotate, thereby facilitating the rotation of the hook, so that the lifting device has a rotating effect, and the working effect of the lifting device is enhanced. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a partial cross-sectional view of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 3 A top view of the crossbeam of the utility model;

[0017] Figure 4 It is an enlarged top cross-sectional view of the rotating column of the utility model.

[0018] Description of the numbers in the figure:

[0019] 1 base, 2 column, 3 motor, 4 motor shaft, 5 rotating column, 6 annular groove, 7 support ring, 8 latch, 9 reinforcement block, 10 cross beam, 11 protrusion, 12 first telescopic rod, 13 second telescopic rod, 14 hanging block, 15 hanging hook, 16 through groove, 17 sliding block, 18 sliding hole, 19 connecting block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] See also Figure 1-4The figure shows a crane lifting device with stable lifting, including a base 1, a column 2 is fixedly arranged on the upper end of the base 1, a motor 3 is fixedly arranged on the upper end of the column 2, the model of the motor 3 is YE2, the plug of the motor 3 is plugged into the external power supply, which belongs to the prior art, a rotating column 5 is fixedly arranged on the motor shaft 4 of the motor 3, the rotating column 5 is provided with an annular groove 6, a support ring 7 is fixedly arranged on the outer side of the upper end of the column 2, and a plurality of pins 8 are connected to the upper end of the support ring 7 by screw thread rotation, a crossbeam 10 is fixedly arranged on the upper end of the rotating column 5, and the crossbeam 10 A protrusion 11 is fixedly provided on the left side of the upper end, a first telescopic rod 12 is fixedly provided on the upper end of the protrusion 11, a second telescopic rod 13 is fixedly provided on the right side of the first telescopic rod 12, the first telescopic rod 12 and the second telescopic rod 13 are of model YNT-03, plugs of the first telescopic rod 12 and the second telescopic rod 13 are plugged into an external power supply, which belongs to the prior art, the beam 10 is provided with a through groove 16, and sliders 17 are slidably provided at the upper and lower ends of the beam 10, respectively, the slider 17 is provided with a sliding hole 18, and the slider 17 is fixedly provided with a connecting block 19.

[0023] In order to facilitate the rotation of the crossbeam, the motor 3 is arranged inside the support ring 7, the motor shaft 4 is arranged inside the support ring 7, the lower end of the rotating column 5 is rotatably arranged inside the support ring 7, the lower end of the column 2, the upper end of the rotating column 5 and the lower end of the rotating column 5 are respectively fixed with reinforcement blocks 9, and the pin 8 is rotatably arranged inside the annular groove 6.

[0024] In this embodiment, the hook 15 is connected by the second telescopic rod 13, which facilitates the hook 15 to move vertically up and down, and the first telescopic rod 12 is connected to the left side of the second telescopic rod 13, so that the first telescopic rod 12 can be driven to move axially through the movement of the second telescopic rod 13, thereby facilitating the hook 15 to move axially, thereby increasing the moving range of the crane lifting device and facilitating work.

[0025] Example 2

[0026] See also Figure 1-4 , this embodiment further explains Example 1. In the figure, a crane lifting device with stable lifting comprises a base 1. A column 2 is fixedly provided on the upper end of the base 1. A motor 3 is fixedly provided on the upper end of the column 2. A rotating column 5 is fixedly provided on the motor shaft 4 of the motor 3. The rotating column 5 is provided with an annular groove 6. A supporting ring 7 is fixedly provided on the outer side of the upper end of the column 2. A plurality of latches 8 are connected to the upper end of the supporting ring 7 by threaded rotation. A cross beam 10 is fixedly provided on the upper end of the rotating column 5. A protrusion 11 is fixedly provided on the left side of the upper end of the cross beam 10. A first telescopic rod 12 is fixedly provided on the upper end of the protrusion 11. A second telescopic rod 13 is fixedly provided on the right side of the first telescopic rod 12. The cross beam 10 is provided with a through groove 16. Slide blocks 17 are respectively slidably provided on the upper and lower ends of the cross beam 10. The slide block 17 is provided with a sliding hole 18. The slide block 19 is fixedly provided on the slide block 17.

[0027] In order to facilitate axial movement of the first telescopic rod, a hanging block 14 is fixedly provided at the lower end of the second telescopic rod 13, and a hook 15 is fixedly provided at the lower end of the hanging block 14. The second telescopic rod 13 slides through the interior of the through groove 16. The second telescopic rod 13 is fixedly provided at the upper end of the slider 17. The second telescopic rod 13 slides through the interior of the sliding hole 18, and the connecting block 19 is slidably provided inside the through groove 16.

[0028] In this embodiment, through the setting of the motor 3, the motor shaft 4 drives the rotating column 5 to rotate, thereby facilitating the rotation of the beam 10, and conveniently driving the first telescopic rod 12 and the second telescopic rod 13 at the upper end of the beam 10 to rotate, thereby conveniently driving the hook 15 to rotate, so that the lifting device has a rotation effect, thereby increasing the working effect of the lifting device.

[0029] Starting the second telescopic rod 13 can make the second telescopic rod 13 move downward, and then the second telescopic rod 13 drives the hanging block 14 and the hook 15 to move downward, so that when the hook 15 moves downward to a suitable position, then the second telescopic rod 13 is paused to move downward, and then the object is hung, and then the second telescopic rod 13 is started to make the second telescopic rod 13 retract upward, and then when the second telescopic rod 13 moves upward to a suitable position, the first telescopic rod 12 is started, and the first telescopic rod 12 drives the second telescopic rod 13 to move rightward, when it moves to a suitable position, the slider 17 slides at the same time, and then moves to a suitable position, when it is necessary to rotate the cross beam 10, then the motor 3 is started, the motor 3 works, the motor shaft 4 of the motor 3 rotates, the motor shaft 4 drives the rotating column 5 to rotate, so that the rotating column 5 drives the cross beam 10 to rotate, when it rotates to a suitable position, the latch 8 is rotatably arranged inside the annular groove 6, when the cross beam 10 does not need to rotate, then the device in the prior art is used to limit and fix the cross beam 10.

[0030] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A crane lifting device with stable lifting, comprising a base (1), characterized in that: A column (2) is fixedly provided at the upper end of the base (1), a motor (3) is fixedly provided at the upper end of the column (2), a rotating column (5) is fixedly provided on the motor shaft (4) of the motor (3), the rotating column (5) is provided with an annular groove (6), a supporting ring (7) is fixedly provided on the outer side of the upper end of the column (2), a plurality of latches (8) are rotatably connected to the upper end of the supporting ring (7) through a thread, a crossbeam (10) is fixedly provided on the upper end of the rotating column (5), and the A protrusion (11) is fixedly provided on the left side of the upper end of the cross beam (10), a first telescopic rod (12) is fixedly provided on the upper end of the protrusion (11), a second telescopic rod (13) is fixedly provided on the right side of the first telescopic rod (12), the cross beam (10) is provided with a through groove (16), and sliders (17) are slidably provided at the upper and lower ends of the cross beam (10), the slider (17) is provided with a sliding hole (18), and a connecting block (19) is fixedly provided on the slider (17).

2. A crane lifting device with stable lifting according to claim 1, characterized in that: The motor (3) is arranged inside the support ring (7), and the motor shaft (4) is arranged inside the support ring (7).

3. A crane lifting device with stable lifting according to claim 1, characterized in that: The lower end of the rotating column (5) is rotatably arranged inside the support ring (7), the lower end of the column (2), the upper end of the rotating column (5) and the lower end of the rotating column (5) are respectively fixed with reinforcement blocks (9), and the latch (8) is rotatably arranged inside the annular groove (6).

4. A crane lifting device with stable lifting according to claim 1, characterized in that: A hanging block (14) is fixedly provided at the lower end of the second telescopic rod (13), and a hanging hook (15) is fixedly provided at the lower end of the hanging block (14).

5. The crane lifting device with stable lifting according to claim 1 is characterized in that: The second telescopic rod (13) slides through the interior of the through slot (16), the second telescopic rod (13) is fixedly arranged on the upper end of the slider (17), the second telescopic rod (13) slides through the interior of the slide hole (18), and the connecting block (19) is slidably arranged inside the through slot (16).

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