Lifting device for mounting large equipment

Abstract

The utility model discloses a lifting device for large equipment installation. The lifting device comprises a cross beam, a first locking unit and a second locking unit. The lower end of the cross beam is slidably connected with an electric hoist, the left and right ends of the cross beam are rotatably connected with stand columns, the lower ends of the two stand columns are provided with connecting seats, the front and rear ends of the connecting seats are rotatably connected with supporting legs, and the lower ends of the supporting legs are provided with trundles; the first locking unit is used for locking the stand column; the second locking unit is used for locking the supporting legs; the lifting device further comprises a control switch, the control switch is arranged at the lower end of the electric hoist, the input end of the electric hoist is electrically connected with the output end of the control switch, and the input end of the control switch is electrically connected with an external power source. And the use convenience of the lifting device is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of large-scale equipment installation, in particular to a lifting device used for large-scale equipment installation. Background Art

[0002] With the progress of society, the number of large-scale equipment is increasing day by day, and the number of various types of large-scale equipment is constantly increasing. Especially in the industrial field, the scale of equipment investment and the scale of stock are constantly expanding. In the process of installing large-scale equipment, lifting devices will be used to lift the parts of large-scale equipment, which greatly reduces the labor burden of installers. The existing lifting devices are generally composed of a frame and an electric hoist. The structure is simple and the cost of use is low. The frame is generally an integrated structure and cannot be folded during transportation. The large size is inconvenient to transport, or multiple screws need to be loosened to disassemble the frame. Although transportation is convenient, the disassembly process is cumbersome, which affects the convenience of use. Utility Model Content

[0003] The technical problem to be solved by the present invention is to overcome the existing defects and provide a lifting device for the installation of large equipment. The frame of the lifting device is rotatably connected by multiple connecting rods. After the lock is released, the frame can be folded to reduce its own volume, thereby facilitating the transportation of the lifting device after the large equipment is installed. At the same time, the locking unit structure is simple and easy to use, which greatly improves the convenience of using the lifting device and can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned object, the present utility model provides the following technical solutions: a lifting device for installing large equipment, comprising a crossbeam, a locking unit 1 and a locking unit 2;

[0005] Crossbeam: The lower end of the crossbeam is slidably connected to an electric hoist, and the left and right ends of the crossbeam are rotatably connected to columns. The lower ends of the two columns are provided with connecting seats, and the front and rear ends of the connecting seats are rotatably connected to support legs, and the lower ends of the support legs are provided with casters;

[0006] Locking unit 1: used for locking the column;

[0007] Locking unit 2: used to lock the legs;

[0008] Among them: it also includes a control switch, which is arranged at the lower end of the electric hoist, the input end of the electric hoist is electrically connected to the output end of the control switch, and the input end of the control switch is electrically connected to an external power supply. The frame itself is rotatably connected by a multi-section connecting rod. After the lock is released, the frame can be folded to reduce its own volume, thereby facilitating the transportation of the lifting device after the installation of large equipment. At the same time, the locking unit structure is simple and easy to use, which greatly improves the convenience of using the lifting device.

[0009] Furthermore, the locking unit 1 includes a support tube and a pin shaft. The support tubes are respectively arranged at the upper ends inside the two columns. The front and rear ends of the support tubes are slidably connected with pin shafts, and the pin shafts are movably plugged into the crossbeam to facilitate the control of the locking of the columns.

[0010] Furthermore, the locking unit 1 also includes a rotating disk, a sliding column and a handle. The rotating disk is rotatably connected to the upper end inside the column. The sliding column is provided on the outer arc surface of the pin shaft. The sliding column extends out of the support tube and is slidably connected to the laterally adjacent rotating disk to facilitate the control of the movement of the pin shaft.

[0011] Furthermore, the locking unit 1 also includes a spring, which is respectively installed inside the support tube. The spring is located between two longitudinally adjacent pins to facilitate the positioning of the pins.

[0012] Furthermore, the locking unit 2 includes a locking shaft and a connecting handle. The locking shaft is slidably connected to the front and rear ends of the connecting seat respectively. The locking shafts pass through the laterally adjacent legs. The two longitudinally corresponding locking shafts form a group. A group of locking shafts is provided with a connecting handle at one end close to the transverse center of the beam to facilitate the locking of the legs.

[0013] Furthermore, the locking unit 2 also includes a tension spring and a retaining ring. The retaining rings are respectively arranged in the middle of the outer arc surface of the locking shaft, and the tension springs are respectively arranged inside the connecting seat. The ends of the tension springs close to the connecting handles are fixedly connected to the laterally adjacent connecting handles to facilitate the positioning of the locking shaft.

[0014] Furthermore, a pull rope is provided at the lower end of the electric hoist, and a wristband is provided at the lower end of the outer arc surface of the pull rope. The lower end of the pull rope is fixedly connected to the upper end of the control switch, so as to facilitate the control of the movement of the electric hoist.

[0015] Compared with the prior art, the beneficial effects of the present invention are: the lifting device for installing large equipment has the following advantages:

[0016] Its frame is connected by a multi-section connecting rod. After the lock is released, the frame can be folded to reduce its volume, thereby facilitating the transportation of the lifting device after the installation of large equipment. At the same time, the locking unit has a simple structure and is easy to use, which greatly improves the convenience of using the lifting device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic cross-sectional structural diagram of the utility model beam;

[0019] Figure 3 This is an enlarged structural diagram of point A of the utility model;

[0020] Figure 4 This is an enlarged structural diagram of point B of the utility model;

[0021] Figure 5 This is an enlarged structural diagram of point C of the present invention.

[0022] In the figure: 1 beam, 2 column, 3 connecting base, 4 leg, 5 caster, 6 locking unit 1, 61 support tube, 62 pin, 63 rotating disk, 64 sliding column, 65 handle, 66 spring, 7 locking unit 2, 71 locking shaft, 72 connecting handle, 73 tension spring, 74 retaining ring, 8 electric hoist, 9 pull rope, 10 wristband, 11 control switch. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1-5 , this embodiment provides a technical solution: a lifting device for installing large equipment, comprising a crossbeam 1, a locking unit 1 6 and a locking unit 2 7;

[0025] Crossbeam 1: The lower end of the crossbeam 1 is slidably connected to an electric hoist 8, which is used to lift and transport components of large equipment. The left and right ends of the crossbeam 1 are rotatably connected to columns 2. The lower ends of the two columns 2 are provided with connecting seats 3. The front and rear ends of the connecting seats 3 are rotatably connected to legs 4. After the legs 4 can rotate freely, the legs 4 rotate in the direction close to the columns 2. The legs 4 rotate to a state parallel to the columns 2, completing the folding of the legs 4 and the columns 2. The columns 2 can rotate, and the columns 2 rotate 270 degrees to be parallel to the crossbeam 1, thereby completing the folding of the legs 4, the columns 2 and the crossbeam 1. Casters 5 are provided at the lower ends of the legs 4, which can push the legs 4. The legs 4 move under the support of the casters 5. The legs 4 drive the crossbeam 1 to move through the connecting seat 3 and the columns 2, and the crossbeam 1 drives the components to move and adjust their positions through the electric hoist 8;

[0026] Locking unit 16: used for locking the column 2, the locking unit 16 includes a support tube 61 and a pin 62, the support tube 61 is respectively provided at the upper end of the interior of the two columns 2, the front and rear ends of the support tube 61 are slidably connected with the pin 62, the pin 62 is movably plugged with the crossbeam 1, the locking unit 16 also includes a rotating disk 63, a slide 64 and a handle 65, the rotating disk 63 is rotatably connected to the upper end of the interior of the column 2, the outer arc surface of the pin 62 is provided with a slide 64, and the slide 64 extends out of the outer surface of the support tube 61. The locking unit 1 6 is connected to the vertically adjacent rotating disk 63 and is slidably connected to the horizontally adjacent rotating disk 63. The locking unit 1 6 also includes a spring 66. The springs 66 are respectively installed inside the support tube 61. The spring 66 is located between the two longitudinally adjacent pins 62. When the handle 65 is turned, the handle 65 drives the rotating disk 63 to rotate. The sliding hole on the rotating disk 63 slides relative to the sliding column 64. The sliding hole drives the pin 62 to move in the direction close to the axis of the rotating disk 63 through the sliding column 64. The pin 62 compresses the spring 66 and contracts to the inside of the column 2 and separates from the crossbeam 1.

[0027] When locking sill 75 is positioned between latch lock 7 and latch lock 7, the latch lock 7 is in the form of a through-hole, and latch lock 7 is in the form of a through-hole, and a through-hole 7 is formed on the latch block 7, which is used to lock the latch block 7. When the latch is in the form of a through-hole, the latch block 7 is in the form of a through-hole.

[0028] Among them: it also includes a control switch 11, the control switch 11 is arranged at the lower end of the electric hoist 8, the input end of the electric hoist 8 is electrically connected to the output end of the control switch 11, and the input end of the control switch 11 is electrically connected to the external power supply. A pull rope 9 is provided at the lower end of the electric hoist 8, and a wristband 10 is provided at the lower end of the outer arc surface of the pull rope 9. The lower end of the pull rope 9 is fixedly connected to the upper end of the control switch 11. The electric hoist 8 is pulled by the wristband 10 and the pull rope 9, and the electric hoist 8 slides along the track at the lower end of the beam 1, thereby facilitating the lateral movement of parts.

[0029] The working principle of the lifting device for large equipment installation provided by the present invention is as follows: when installing large equipment, the parts of the large equipment are lifted and hoisted by the electric hoist 8, and then the electric hoist 8 is pulled by the hand ring 10 and the pull rope 9. The electric hoist 8 slides along the track at the lower end of the beam 1, thereby facilitating the lateral movement of the parts, and can also push the legs 4. The legs 4 move under the support of the casters 5. The legs 4 drive the beam 1 to move through the connecting seat 3 and the column 2. The beam 1 drives the parts to move and adjust their positions through the electric hoist 8. When the large equipment is installed, the frame structure composed of the beam 1, the column 2 and the legs 4 is first placed, and then the connecting handle 7 is pulled 2, the connecting handle 72 stretches the tension spring 73 and drives the locking shaft 71 to move out from the inside of the support leg 4, and then the support leg 4 can rotate freely, and the support leg 4 rotates in the direction close to the column 2, and the support leg 4 rotates to a state parallel to the column 2, completing the folding of the support leg 4 and the column 2, and then the handle 65 is moved, and the handle 65 drives the rotating disk 63 to rotate, and the sliding hole on the rotating disk 63 slides relative to the sliding post 64, and the sliding hole drives the pin 62 to move in the direction close to the axis of the rotating disk 63 through the sliding post 64, and the pin 62 compresses the spring 66 and contracts to the inside of the column 2 and separates from the crossbeam 1, and then the column 2 can rotate, and the column 2 rotates 270 degrees to be parallel to the crossbeam 1, thereby completing the folding of the support leg 4, the column 2 and the crossbeam 1.

[0030] It is worth noting that the electric hoist 8 disclosed in the above embodiment can be freely configured according to the actual application scenario. The electric hoist 8 can be an electric hoist of model PA200, and the control switch 11 is provided with a switch button corresponding to the electric hoist 8 for controlling its switching operation.

[0031] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A lifting device for installing large equipment, characterized by: It comprises a crossbeam (1), a locking unit 1 (6) and a locking unit 2 (7); The crossbeam (1) is slidably connected to an electric hoist (8) at its lower end, and the left and right ends of the crossbeam (1) are rotatably connected to upright posts (2). The lower ends of the two upright posts (2) are provided with connecting seats (3), and the front and rear ends of the connecting seats (3) are rotatably connected to supporting legs (4), and the lower ends of the supporting legs (4) are provided with casters (5); Locking unit 1 (6): used for locking the column (2); Locking unit 2 (7): used for locking the supporting leg (4); The electric hoist (8) further comprises a control switch (11), wherein the control switch (11) is arranged at the lower end of the electric hoist (8), the input end of the electric hoist (8) is electrically connected to the output end of the control switch (11), and the input end of the control switch (11) is electrically connected to an external power supply.

2. A lifting device for large equipment installation according to claim 1, characterized in that: The locking unit 1 (6) includes a support tube (61) and a pin (62). The support tube (61) is respectively arranged at the upper end inside the two columns (2). The front and rear ends of the support tube (61) are slidably connected with the pin (62), and the pin (62) is movably connected to the crossbeam (1).

3. A lifting device for large equipment installation according to claim 2, characterized in that: The locking unit 1 (6) further comprises a rotating disk (63), a sliding column (64) and a handle (65), wherein the rotating disk (63) is rotatably connected to the upper end inside the column (2), and the sliding column (64) is provided on the outer arc surface of the pin shaft (62), and the sliding column (64) extends outside the support tube (61) and is slidably connected to the rotating disk (63) adjacent to the horizontal side.

4. A lifting device for large equipment installation according to claim 2, characterized in that: The locking unit (6) further includes a spring (66), which is respectively installed inside the support tube (61). The spring (66) is located between two longitudinally adjacent pin shafts (62).

5. The lifting device for large equipment installation according to claim 1, characterized in that: The locking unit 2 (7) comprises a locking shaft (71) and a connecting handle (72), wherein the locking shaft (71) is slidably connected to the front and rear ends of the connecting seat (3), and the locking shafts (71) all pass through the laterally adjacent legs (4). The two longitudinally corresponding locking shafts (71) form a group, and a connecting handle (72) is provided at one end of each group of locking shafts (71) close to the transverse center of the beam (1).

6. A lifting device for large equipment installation according to claim 5, characterized in that: The locking unit 2 (7) further comprises a tension spring (73) and a retaining ring (74), wherein the retaining ring (74) is respectively arranged at the middle of the outer arc surface of the locking shaft (71), and the tension spring (73) is respectively arranged inside the connecting seat (3), and one end of the tension spring (73) close to the connecting handle (72) is fixedly connected to the laterally adjacent connecting handle (72).

7. The lifting device for large equipment installation according to claim 1, characterized in that: The lower end of the electric hoist (8) is provided with a pull rope (9), the lower end of the outer arc surface of the pull rope (9) is provided with a wristband (10), and the lower end of the pull rope (9) is fixedly connected to the upper end of the control switch (11).

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