Anti-swing portal crane

Abstract

The utility model discloses an anti-swing gantry crane, which relates to the technical field of gantry cranes, and comprises two support plates and a transverse plate fixed on the top surfaces of the two support plates, a first screw rod and a support rod are arranged between the two support plates, one end of the first screw rod is rotatably connected with one surface of one support plate, and the other end of the first screw rod is rotatably connected with the other surface of the other support plate. The other end of the first lead screw penetrates through one face of the other supporting plate and extends into the supporting plate, and one side of the surface of one supporting plate is fixedly connected with a first motor. Goods are carried through the operation of the hoisting assembly, and in the process of hoisting the goods, the anti-swing assembly and the hoisting assembly can always keep an up-and-down aligned position relation to limit the lifting rope, so that the lifting rope is effectively prevented from shaking under the influence of external factors; therefore, damage caused by collision of goods due to shaking of the lifting rope and danger brought to workers on the ground are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of gantry cranes, in particular to an anti-sway gantry crane. Background Art

[0002] Gantry crane is a kind of deformation of bridge crane, also called gantry crane, mainly used for loading and unloading of outdoor cargo yard, material yard cargo and bulk cargo. Gantry crane has the characteristics of high site utilization, large operating range, wide adaptability and strong versatility, and is widely used in port cargo yards.

[0003] After searching, the applicant found that a Chinese patent disclosed a "gantry crane" with the publication number "CN217297041U". The patent mainly uses a height adjustment mechanism set between the base and the lifting platform; the gantry crane can meet the lifting work of different horizontal positions and different heights, has a wider range of applications, and can also carry out lifting work on a site with a certain slope, with fewer limitations on use;

[0004] The above device can achieve the effect of satisfying lifting work at different lateral positions and different heights through a series of structures. However, the stability of the lifting rope of the above device is not good when in use. When lifting heavy objects, the lifted heavy objects may shake due to external factors, which not only affects the safety of ground workers but also may cause collision and damage to the goods. Utility Model Content

[0005] The utility model aims to provide an anti-sway gantry crane to solve the problem in the background technology that the poor stability of the lifting rope of the above device may cause shaking when lifting the goods, thereby affecting the safety of the goods and the ground staff.

[0006] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: an anti-sway gantry crane, comprising two support plates and a horizontal plate fixed to the top surfaces of the two support plates, a first screw rod and a support rod are provided between the two support plates, one end of the first screw rod is rotatably connected to a surface of one of the support plates, the other end of the first screw rod passes through a surface of the other support plate and extends to the interior of the support plate, a first motor is fixedly connected to one side of the surface of one of the support plates, an output end of the first motor passes through the surface of the support plate and is fixedly connected to one end of the first screw rod, a support block is threadedly connected to the rod wall of the first screw rod, the inner wall of the support block is slidably connected to the rod wall of the support rod, a lifting assembly capable of lifting heavy objects is provided on the bottom surface of the support block, an anti-sway assembly capable of moving left and right is provided on the opposite side of the two support plates, and a transmission assembly capable of prompting the lifting assembly and the anti-sway assembly to run simultaneously is provided inside one of the support plates.

[0007] Preferably, the lifting assembly includes a hanging box, the top surface of the hanging box is fixedly connected to the bottom surface of the support block, a winding roller is provided inside the hanging box, a lifting rope is wound around the surface of the winding roller, one end of the lifting rope passes through the bottom surface of the inner wall of the hanging box and is fixedly connected to a hook.

[0008] Preferably, the lifting assembly further comprises a second motor, one side of the second motor is fixedly connected to one side of the hanging box, and the output end of the second motor passes through the surface of the hanging box and is fixedly connected to one end of the winding roller.

[0009] Preferably, the anti-sway assembly includes a second screw rod, two ends of which are rotatably connected to opposite sides of the inner walls of the two support plates respectively, and the opposite sides of the inner walls of the two support plates are commonly fixedly connected to a limiting rod, the rod wall of the second screw rod is threadedly connected with an anti-sway block, the inner wall of the anti-sway block is slidably connected to the rod wall of the limiting rod, the top surface of the anti-sway block is provided with an anti-sway hole, and the inner wall of the anti-sway hole is fixedly connected with an anti-wear pad.

[0010] Preferably, the transmission assembly includes a first gear and a second gear, the inner walls of the first gear and the second gear are respectively fixedly connected to the rod walls of the first screw rod and the second screw rod located inside the support plate, and the surfaces of the first gear and the second gear are jointly meshed and connected with a synchronous toothed belt.

[0011] Preferably, the bottom surfaces of the two support plates are fixedly connected with counterweight blocks, the top surfaces of the two counterweight blocks are fixedly connected with two fixing rods, and the other ends of the two fixing rods are respectively fixedly connected to the two sides of the corresponding support plate surfaces.

[0012] Preferably, the thread direction and pitch of the first screw rod are consistent with those of the second screw rod.

[0013] Preferably, the inner wall of the anti-sway hole is slidably connected to the surface of the lifting rope and the lifting hook is located at the bottom of the anti-sway block.

[0014] The technical effects and advantages of the utility model are as follows: the utility model transports goods through the operation of the lifting component, and in the process of lifting the goods, the anti-sway component can always maintain an aligned position relationship with the lifting component to limit the lifting rope, effectively preventing the lifting rope from shaking under the influence of external factors, thereby avoiding damage to the goods caused by collision due to the shaking of the lifting rope and danger to ground workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0016] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model.

[0017] Figure 3 It is a schematic diagram of the three-dimensional structure of the anti-sway block of the utility model.

[0018] Figure 4 For this utility model Figure 2 Enlarged structural diagram at A in the middle.

[0019] Figure 5 It is a schematic diagram of the side cross-sectional structure of the support plate of the utility model.

[0020] In the figure: 1. support plate; 2. anti-sway assembly; 3. lifting assembly; 4. transmission assembly; 5. counterweight; 6. fixing rod; 7. first screw rod; 8. support block; 9. first motor; 10. support rod; 11. cross plate; 204. second screw rod; 205. anti-sway hole; 206. anti-wear pad; 207. anti-sway block; 208. limit rod; 301. hanging box; 302. winding roller; 303. second motor; 304. lifting rope; 305. hook; 401. first gear; 402. second gear; 403. synchronous toothed belt. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The utility model provides Figure 1-5The anti-sway gantry crane shown in the figure comprises two support plates 1 and a horizontal plate 11 fixed to the top surfaces of the two support plates 1, a first screw rod 7 and a support rod 10 are provided between the two support plates 1, one end of the first screw rod 7 is rotatably connected to one side of one of the support plates 1, the other end of the first screw rod 7 passes through one side of the other support plate 1 and extends to the inside of the support plate 1, a first motor 9 is fixedly connected to one side of the surface of one of the support plates 1, the output end of the first motor 9 passes through the surface of the support plate 1 and is fixedly connected to one end of the first screw rod 7, the rod wall of the first screw rod 7 is threadedly connected to a support block 8, the inner wall of the support block 8 is slidably connected to the rod wall of the support rod 10, and the support The bottom surface of the support block 8 is provided with a lifting component 3 capable of lifting heavy objects, and the opposite side of the two support plates 1 is provided with an anti-sway component 2 capable of moving left and right, and one of the support plates 1 is provided with a transmission component 4 capable of causing the lifting component 3 and the anti-sway component 2 to keep running simultaneously, so that the goods are transported by the operation of the lifting component 3, and in the process of lifting the goods, the anti-sway component 2 can always maintain an aligned position relationship with the lifting component 3 to limit the lifting rope 304, effectively preventing the lifting rope 304 from shaking under the influence of external factors, thereby avoiding damage to the goods caused by the shaking of the lifting rope 304 and the danger to the ground staff.

[0023] like Figure 1-3 As shown, the lifting component 3 includes a lifting box 301, the top surface of the lifting box 301 is fixedly connected to the bottom surface of the support block 8, a winding roller 302 is provided inside the lifting box 301, and the winding roller 302 can control the lifting and lowering of the goods, and a lifting rope 304 is wound around the surface of the winding roller 302, one end of the lifting rope 304 passes through the bottom surface of the inner wall of the lifting box 301 and is fixedly connected to a hook 305, and the hook 305 can be fixed to the goods, and the lifting component 3 also includes a second motor 303, one side of the second motor 303 is fixedly connected to one side of the lifting box 301, and the output end of the second motor 303 passes through the surface of the lifting box 301 and is fixedly connected to one end of the winding roller 302.

[0024] like Figure 4 and Figure 5 As shown, the anti-sway assembly 2 includes a second screw rod 204, both ends of which are rotatably connected to the opposite sides of the inner walls of the two support plates 1 respectively, and the opposite sides of the inner walls of the two support plates 1 are commonly fixedly connected with a limiting rod 208, and the limiting rod 208 can limit the anti-sway block 207 from rotating as the second screw rod 204 rotates, and the rod wall of the second screw rod 204 is threadedly connected with the anti-sway block 207, and the anti-sway block 207 can limit the suspension rope 304 to prevent the suspension rope 304 from shaking, and the inner wall of the anti-sway block 207 is slidably connected to the rod wall of the limiting rod 208, and the top surface of the anti-sway block 207 is provided with an anti-sway hole 205, and the inner wall of the anti-sway hole 205 is fixedly connected with an anti-wear pad 206, and the anti-wear pad 206 can prevent the suspension rope 304 from wearing.

[0025] like Figure 4 and Figure 5 As shown, the transmission assembly 4 includes a first gear 401 and a second gear 402. The inner walls of the first gear 401 and the second gear 402 are fixedly connected to the rod walls of the first screw rod 7 and the second screw rod 204 located inside the support plate 1 respectively. The surfaces of the first gear 401 and the second gear 402 are jointly meshed and connected with a synchronous toothed belt 403. The synchronous toothed belt 403 can ensure that the first screw rod 7 and the second screw rod 204 rotate synchronously.

[0026] like Figure 1 , Figure 2 As shown, the bottom surfaces of the two support plates 1 are fixedly connected with counterweight blocks 5, which can ensure the overall stability of the device. The top surfaces of the two counterweight blocks 5 are fixedly connected with two fixing rods 6, and the other ends of the two fixing rods 6 are respectively fixedly connected to the two sides of the surface of the corresponding support plate 1.

[0027] like Figure 2 As shown, the thread direction and pitch of the first screw rod 7 are consistent with those of the second screw rod 204, so that the anti-sway block 207 and the hanging box 301 can maintain consistent moving positions, the inner wall of the anti-sway hole 205 is slidingly connected to the surface of the hanging rope 304 and the hook 305 is located at the bottom of the anti-sway block 207.

[0028] The working principle of the utility model is as follows: when the crane is used, the first motor 9 is started first, and the first motor 9 rotates while driving the first screw rod 7 to rotate, and then the first screw rod 7 rotates while driving the second gear 402 to rotate through the cooperation of the first gear 401 and the synchronous toothed belt 403, and then the second screw rod 204 rotates with the rotation of the second gear 402, so that the first screw rod 7 and the second screw rod 204 rotate synchronously, and then as the first screw rod 7 rotates, the support block 8 moves the hanging box 301 along the first screw rod 7 until the hanging box 301 reaches directly above the cargo. At the same time, when the second screw rod 204 rotates, it drives the anti-sway block 207 to move to the top of the cargo, and then starts the second motor 303. Then the second motor 303 drives the winding roller 302 to rotate and makes the lifting rope 304 and the hook 305 move downward, and then fix the hook 305 to the cargo, and then starts the second motor 303 to rotate in the opposite direction, so that the winding roller 302 reels the lifting rope 304 to lift the cargo, and uses the anti-sway block 207 to limit the lifting rope 304 to prevent the lifting rope 304 from shaking. The original text highlights the innovative structure and does not elaborate on the prior art.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An anti-sway gantry crane, comprising two support plates (1) and a transverse plate (11) fixed to the top surfaces of the two support plates (1), characterized in that: A first screw rod (7) and a support rod (10) are provided between the two support plates (1); one end of the first screw rod (7) is rotatably connected to one side of one of the support plates (1); the other end of the first screw rod (7) passes through one side of the other support plate (1) and extends into the interior of the support plate (1); a first motor (9) is fixedly connected to one side of the surface of one of the support plates (1); the output end of the first motor (9) passes through the surface of the support plate (1) and is fixedly connected to one end of the first screw rod (7); a support block (8) is threadedly connected to the rod wall of the first screw rod (7); the inner wall of the support block (8) is slidably connected to the rod wall of the support rod (10); a lifting component (3) capable of lifting a heavy object is provided on the bottom surface of the support block (8); an anti-sway component (2) capable of moving left and right is provided on the opposite side of the two support plates (1); a transmission component (4) capable of causing the lifting component (3) and the anti-sway component (2) to keep running simultaneously is provided inside one of the support plates (1).

2. The anti-sway gantry crane according to claim 1, characterized in that: The lifting assembly (3) comprises a hanging box (301), the top surface of the hanging box (301) being fixedly connected to the bottom surface of the support block (8), a winding roller (302) being provided inside the hanging box (301), a hanging rope (304) being wound around the surface of the winding roller (302), one end of the hanging rope (304) passing through the bottom surface of the inner wall of the hanging box (301) and being fixedly connected to a hanging hook (305).

3. The anti-sway gantry crane according to claim 2, characterized in that: The lifting assembly (3) further comprises a second motor (303), one side of the second motor (303) being fixedly connected to one side of the hanging box (301), and an output end of the second motor (303) passing through the surface of the hanging box (301) and being fixedly connected to one end of the winding roller (302).

4. The anti-sway gantry crane according to claim 1, characterized in that: The anti-sway assembly (2) comprises a second screw rod (204), the two ends of the second screw rod (204) are rotatably connected to opposite sides of the inner walls of the two support plates (1), the opposite sides of the inner walls of the two support plates (1) are commonly fixedly connected to a limiting rod (208), the rod wall of the second screw rod (204) is threadedly connected to an anti-sway block (207), the inner wall of the anti-sway block (207) is slidably connected to the rod wall of the limiting rod (208), the top surface of the anti-sway block (207) is provided with an anti-sway hole (205), and the inner wall of the anti-sway hole (205) is fixedly connected to an anti-wear pad (206).

5. The anti-sway gantry crane according to claim 4, characterized in that: The transmission assembly (4) comprises a first gear (401) and a second gear (402); the inner walls of the first gear (401) and the second gear (402) are respectively fixedly connected to the rod walls of the first screw rod (7) and the second screw rod (204) located inside the support plate (1); and the surfaces of the first gear (401) and the second gear (402) are meshedly connected with a synchronous toothed belt (403).

6. The anti-sway gantry crane according to claim 5, characterized in that: The bottom surfaces of the two support plates (1) are fixedly connected with a counterweight block (5), the top surfaces of the two counterweight blocks (5) are fixedly connected with two fixing rods (6), and the other ends of the two fixing rods (6) are respectively fixedly connected to the two sides of the surface of the corresponding support plate (1).

7. The anti-sway gantry crane according to claim 5, characterized in that: The first screw rod (7) and the second screw rod (204) have the same thread direction and pitch.

8. The anti-sway gantry crane according to claim 4, characterized in that: The inner wall of the anti-sway hole (205) is slidably connected to the surface of the suspension rope (304), and the suspension hook (305) is located at the bottom of the anti-sway block (207).

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