Anti-shaking electric hoist

Abstract

The utility model discloses an anti-shaking electric hoist, and relates to the technical field of electric hoists, in particular to an anti-shaking electric hoist, which comprises a portal frame, a hoisting mechanism is arranged on the portal frame and is used for hoisting, and the hoisting mechanism comprises an execution component, a lifting component, a lifting component and a lifting component, the lifting hook is mounted on a rope of the electric hoist; the anti-shaking assembly comprises inner rods fixed to the two ends of the lifting hook, outer rods slidably installed at the upper ends of the inner rods in a sleeving mode, shaft seats fixed to the tops of the outer rods, and balance wheels rotationally installed at the two ends of the shaft seats. The auxiliary assembly comprises a bottom plate fixed to the top of the portal frame and guide groove holes formed in the two sides of the interior of the bottom plate. When the execution assembly walks along the guide rail on the portal frame, the execution assembly drives the outer rod to slide along the interior of the guide groove hole in the bottom plate through the inner rod, and the anti-shaking assembly is limited and guided through the guide groove hole, so that the execution assembly is prevented from shaking during transverse or longitudinal movement.

Description

Technical Field

[0001] The utility model relates to the technical field of electric hoists, in particular to an anti-swaying electric hoist. Background Art

[0002] Electric hoist is a kind of lifting equipment, installed on overhead crane and gantry crane. It has the characteristics of small size, light weight, simple operation and convenient use. It is used in industrial and mining enterprises, warehouses, docks and other places. The electric hoist has a compact structure, and the electric hoist with the motor axis perpendicular to the drum axis adopts a worm gear transmission device;

[0003] After checking the publication number: CN214003830U, an anti-sway electric hoist is disclosed. This technology discloses "an anti-sway electric hoist, including an electric hoist body and a second fixed cylinder, the top outer wall of the electric hoist body is fixed with a fixing ring by screws, and the bottom outer wall of the electric hoist body is provided with a rope, and the middle part of the top outer wall of the second fixed cylinder is fixed with a fixing rod by screws, and the top outer wall of the fixing rod and the bottom outer wall of the fixing ring are both provided with an anti-sway mechanism" and other technical solutions, which have "by providing an electric hoist body, a fixing ring, a hook, an anti-sway mechanism, a rotating rod, a small servo motor, a driving gear, a rotating column, a driven gear, a rope, and a second positioning wheel, when the electric hoist body is started and stopped, the goods on the hook will generate an instant acceleration groove, thereby causing shaking, and at this time, the worker can use the controller to make the small servo motor drive the rotating rod to rotate a certain angle, and the rotation direction is determined according to the hook direction" and other technical effects;

[0004] Although the above solution can effectively reduce the large-scale shaking of the electric hoist during the lifting process, in actual operation, the electric hoist may still produce slight shaking due to various factors; this slight shaking may come from slight deviations in the electric hoist's own structure, slight errors of the operator, elastic deformation of the lifting rope, or slight disturbances caused by environmental factors such as wind and uneven ground; although these slight shaking are not as significant as large-scale shaking, they may also have an adverse effect on the stability and safety of the lifting operation if accumulated over a long period of time. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an anti-sway electric hoist, which has the characteristics that when the actuator component moves along the guide rail on the gantry, the actuator component drives the outer rod to slide along the inside of the guide slot on the base plate through the inner rod, and the anti-sway component is limited and guided by the guide slot to prevent the actuator component from shaking when moving horizontally or vertically.

[0006] To achieve the above purpose, the utility model is implemented by the following technical scheme: an anti-sway electric hoist, including a gantry, the gantry is provided with a lifting and hoisting mechanism and is used for lifting and hoisting, the lifting and hoisting mechanism includes:

[0007] Actuating components, including an electric hoist mounted on the gantry and a hook mounted on the rope of the electric hoist;

[0008] The anti-sway assembly includes an inner rod fixed at both ends of the hook, an outer rod slidably mounted on the upper end of the inner rod, an axle seat fixed at the top of the outer rod, and balance wheels rotatably mounted at both ends of the axle seat;

[0009] The auxiliary component comprises a bottom plate fixed on the top of the gantry, guide slots on both sides of the bottom plate, and outer rods passing through the guide slots on the bottom plate.

[0010] Preferably, the auxiliary component also includes a stand fixed on the top of the base plate, a top plate fixed on the top of the stand, tracks opened on both sides of the bottom of the top plate, and the balance wheel is located inside the track.

[0011] Preferably, the anti-sway assembly further includes a spring installed between the inner rod and the outer rod, and the spring is located at the inner upper end of the outer rod.

[0012] Preferably, the actuator assembly also includes a mounting frame fixed on the top of the electric hoist, two driven gears rotatably mounted on the inner walls at both ends of the mounting frame, walking wheels fixed on the driven gears, a motor mounted on the outer wall of the mounting frame, a driving gear mounted on the output end of the motor, and the driving gear meshes with the driven gears on both sides for transmission.

[0013] Preferably, the actuator assembly further comprises two shaft frames fixed at both ends of the mounting frame, and guide wheels rotatably mounted on the outer ends of the shaft frames.

[0014] Preferably, the guide rails on the gantry are I-shaped steel structures, the walking wheels cooperate with the webs of the I-shaped steels, and the guide wheels cooperate with the flanges of the I-shaped steels.

[0015] Beneficial Effects

[0016] The utility model provides an anti-sway electric hoist. Compared with the prior art, it has the following beneficial effects:

[0017] (1) When the actuator moves along the guide rail on the gantry, the actuator drives the outer rod to slide along the inside of the guide slot on the bottom plate through the inner rod, and the anti-sway assembly is limited and guided by the guide slot to prevent the actuator from shaking when moving horizontally or vertically.

[0018] (2) When the actuator moves along the guide rail on the gantry, the actuator drives the anti-sway assembly to move horizontally synchronously, and the balance wheel rolls along the track on the top plate, thereby improving the stability of the anti-sway assembly during movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 It is a schematic diagram of the structure of the execution component and the anti-sway component in the utility model;

[0021] Figure 3 This is a schematic diagram of the internal structure of the anti-sway component in the utility model;

[0022] Figure 4 It is a structural schematic diagram of the auxiliary components in the utility model;

[0023] Figure 5 It is a schematic diagram of the internal structure of the execution component in the utility model.

[0024] In the figure: 1. gantry; 2. lifting and hoisting mechanism; 21. actuator; 211. electric hoist; 212. hook; 213. mounting frame; 214. driven gear; 215. walking wheel; 216. motor; 217. driving gear; 218. axle frame; 219. guide wheel; 22. anti-sway assembly; 221. inner rod; 222. outer rod; 223. axle seat; 224. balance wheel; 225. spring; 23. auxiliary assembly; 231. bottom plate; 232. guide slot; 233. stand; 234. top plate; 235. track. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-5 The utility model provides a technical solution for an anti-sway electric hoist: an anti-sway electric hoist comprises a gantry 1, a lifting and hoisting mechanism 2 is arranged on the gantry 1 and is used for lifting and hoisting, and the lifting and hoisting mechanism 2 comprises:

[0027] The execution assembly 21 includes an electric hoist 211 installed on the gantry 1 and a hook 212 installed on the rope of the electric hoist 211;

[0028] The anti-sway assembly 22 includes an inner rod 221 fixed at both ends of the hook 212, an outer rod 222 slidably mounted on the upper end of the inner rod 221, an axle seat 223 fixed at the top of the outer rod 222, and balance wheels 224 rotatably mounted at both ends of the axle seat 223;

[0029] The auxiliary component 23 includes a bottom plate 231 fixed on the top of the gantry 1 , guide slots 232 provided on both sides of the bottom plate 231 , and the outer rod 222 passes through the guide slots 232 on the bottom plate 231 .

[0030] In this embodiment, when the actuator 21 moves along the guide rail on the gantry 1, the actuator 21 drives the outer rod 222 to slide along the guide slot 232 on the base plate 231 through the inner rod 221, and the anti-sway assembly 22 is limited and guided by the guide slot 232 to prevent the actuator 21 from shaking when moving horizontally or vertically.

[0031] Specifically, the auxiliary component 23 also includes a stand 233 fixed on the top of the bottom plate 231 , a top plate 234 fixed on the top of the stand 233 , tracks 235 opened on both sides of the bottom of the top plate 234 , and the balance wheel 224 is located inside the track 235 .

[0032] In this embodiment, when the actuator 21 moves along the guide rail on the gantry 1, the actuator 21 drives the anti-sway assembly 22 to move horizontally synchronously, and the balance wheel 224 rolls along the track 235 on the top plate 234, thereby improving the stability of the anti-sway assembly 22 during movement.

[0033] Specifically, the anti-sway assembly 22 further includes a spring 225 installed between the inner rod 221 and the outer rod 222 , and the spring 225 is located at the inner upper end of the outer rod 222 .

[0034] In this embodiment, the rebound pressure of the spring 225 pushes the outer rod 222 to drive the balancing wheel 224 on the shaft seat 223 to move upward, so that the balancing wheel 224 can always be located in the track 235 on the top plate 234.

[0035] Specifically, the actuator 21 also includes a mounting frame 213 fixed on the top of the electric hoist 211, two driven gears 214 rotatably mounted on the inner walls at both ends of the mounting frame 213, a walking wheel 215 fixed on the driven gear 214, a motor 216 mounted on the outer wall of the mounting frame 213, and a driving gear 217 mounted on the output end of the motor 216, and the driving gear 217 is meshed with the driven gears 214 on both sides for transmission.

[0036] In this embodiment, the output end of the motor 216 drives the driving gear 217 to rotate, and the driving gear 217 drives the walking wheel 215 to rotate through the driven gear 214, so that the actuator 21 moves along the guide rail on the gantry 1.

[0037] Specifically, the actuator assembly 21 further includes two shaft frames 218 fixed at both ends of the mounting frame 213 , and guide wheels 219 rotatably mounted at the outer ends of the shaft frames 218 .

[0038] In this embodiment, when the actuator 21 moves along the guide rail on the gantry 1, the guide wheel 219 rolls along the flange of the guide rail of the gantry 1, thereby improving the stability of the gantry 1 during movement.

[0039] Specifically, the guide rail on the gantry 1 is an I-shaped steel structure, the running wheel 215 cooperates with the web of the I-shaped steel, and the guide wheel 219 cooperates with the flange of the I-shaped steel.

[0040] The working principle and use process of the utility model are as follows: first, the output end of the motor 216 drives the driving gear 217 to rotate, and the driving gear 217 drives the walking wheel 215 to rotate through the driven gear 214, so that the actuator 21 moves along the guide rail on the gantry 1;

[0041] When the actuator 21 moves along the guide rail on the gantry 1, the actuator 21 drives the outer rod 222 to slide along the guide slot 232 on the bottom plate 231 through the inner rod 221; at the same time, it drives the balance wheel 224 to roll along the track 235 on the top plate 234, thereby improving the stability of the anti-sway assembly 22 during movement; the anti-sway assembly 22 is limited and guided by the guide slot 232, which can prevent the actuator 21 from shaking when moving horizontally or vertically.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti-sway electric hoist, comprising a gantry (1), characterized in that: The gantry (1) is provided with a lifting and hoisting mechanism (2) for lifting and hoisting, and the lifting and hoisting mechanism (2) comprises: An execution assembly (21) includes an electric hoist (211) installed on the gantry (1) and a hook (212) installed on a rope of the electric hoist (211); The anti-sway assembly (22) comprises an inner rod (221) fixed at both ends of the hook (212), an outer rod (222) slidably mounted on the upper end of the inner rod (221), an axle seat (223) fixed at the top of the outer rod (222), and balance wheels (224) rotatably mounted at both ends of the axle seat (223); The auxiliary component (23) comprises a bottom plate (231) fixed on the top of the gantry (1), guide slots (232) provided on both sides of the bottom plate (231), and an outer rod (222) passing through the guide slots (232) on the bottom plate (231).

2. The anti-sway electric hoist according to claim 1, characterized in that: The auxiliary component (23) further comprises a stand (233) fixed on the top of the bottom plate (231), a top plate (234) fixed on the top of the stand (233), tracks (235) opened on both sides of the bottom of the top plate (234), and the balance wheel (224) is located inside the track (235).

3. The anti-sway electric hoist according to claim 1, characterized in that: The anti-sway assembly (22) further comprises a spring (225) installed between the inner rod (221) and the outer rod (222), and the spring (225) is located at the inner upper end of the outer rod (222).

4. The anti-sway electric hoist according to claim 1, characterized in that: The actuator assembly (21) further comprises a mounting frame (213) fixed on the top of the electric hoist (211), two driven gears (214) rotatably mounted on the inner walls at both ends of the mounting frame (213), a travel wheel (215) fixed on the driven gears (214), a motor (216) mounted on the outer wall of the mounting frame (213), and a driving gear (217) mounted on the output end of the motor (216), wherein the driving gear (217) meshes with the driven gears (214) on both sides for transmission.

5. The anti-sway electric hoist according to claim 4, characterized in that: The actuator assembly (21) further comprises two shaft frames (218) fixed at both ends of the mounting frame (213), and guide wheels (219) rotatably mounted at the outer ends of the shaft frames (218).

6. The anti-sway electric hoist according to claim 5, characterized in that: The guide rail on the gantry (1) is an I-shaped steel structure, the walking wheel (215) cooperates with the web of the I-shaped steel, and the guide wheel (219) cooperates with the flange of the I-shaped steel.

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