Anti-swing device for European-style electric hoist of single-beam crane

By designing anti-sway components and tensioning components, and utilizing a motor and gear system to counteract swaying of the slings, the European-style electric hoist on a single-girder crane can be brought to a rapid stop, solving the swaying problem during hoisting and improving safety and stability.

CN223632968UActive Publication Date: 2025-12-05CHONGQING TAILIAN CRANE EQUIPMENT CO LTD
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Patent Information

Application Number
CN202520227174.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-13
Publication Date
2025-12-05
Estimated Expiration
2035-02-13

AI Technical Summary

Technical Problem

Existing single-girder cranes with European-style electric hoists are prone to swaying during lifting, causing instability of goods, posing a high risk, and making it difficult to quickly restore them to a stationary state.

Method used

By employing a combination of anti-sway components and tensioning components, and utilizing components such as servo motors, drive gears, driven gears, external rotor motors, and electric push rods, the swaying motion is counteracted by applying opposing forces to the sling. Combined with the control motor and screw adjustment of the mounting rod position, the sling can be quickly restored to a stationary state.

Benefits of technology

It effectively prevents excessive swaying of the slings and cargo, avoids cargo falling, and improves the safety and stability of the hoisting process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-swing device for a European-style electric hoist of a single-beam crane, and relates to the technical field of single-beam cranes. The electric hoist comprises a steel beam, an anti-swing assembly and a tensioning assembly, the surface of the steel beam is slidably connected with an electric hoist body, the top of the steel beam is slidably connected with a moving trolley, and the bottom of the rear side of the moving trolley is fixedly connected with the electric hoist body. According to the anti-swing electric hoist, the sling of the electric hoist body can be pulled through the anti-swing assembly, the sling is prevented from greatly shaking in the cargo hoisting process, and the servo motor and the driving gear are matched to control the driven gear and the mounting frame to rotate; the outer rotor motor is matched with the electric push rod to control the positioning sleeve to move towards the side opposite to the shaking side of the sling, the sling is pulled through the positioning sleeve, opposite acting force is continuously applied to the sling to offset the swinging action of the sling, the sling is rapidly restored to the static state, and the situation that goods fall due to the too large shaking amplitude is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to single beam crane technical field, in particular, relate to a single beam crane european style electric hoist anti -sway device. BACKGROUND

[0002] Single beam crane usually refers to single beam bridge crane, is the deformation of bridge crane, is the hoisting equipment of material hoisting above workshop, warehouse and material yard, and the upper structure is same with common bridge crane, but the main beam is different, generally the hoisting capacity is below 100 tons, the main beam of single beam crane bridge is mostly adopts I - shaped steel or the combination section of steel type and steel plate, is widely used in multiple industrial fields, and carries out the loading and unloading and handling operation of article.

[0003] The existing single beam crane utilizes european style electric hoist to hoist and transport goods, and in the process of hoisting, once the european style electric hoist and goods are not in the vertical state, the goods will swing in the moment of hoisting, the skilled operator of single beam crane can adjust the position of european style electric hoist to flatten the swing of goods, but this method needs a lot of practice, and once the operation is improper, the swing amplitude of goods will increase, and the goods will seriously fall, which is high in danger.

[0004] Therefore, we provide a single beam crane european style electric hoist anti - swing device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a single beam crane european style electric hoist anti - swing device, through the cooperation of anti - swing assembly and tensioning assembly, the problem that the single beam crane european style electric hoist of prior art is prone to swing when hoisting goods, cannot quickly restore the goods to be stationary and is high in danger is solved.

[0006] To solve the above technical problem, the utility model is realized through the following technical schemes.

[0007] The utility model discloses a single -beam crane european style electric hoist anti -sway device, including steel beam, anti -sway subassembly and tensioning subassembly, the surface sliding joint of steel beam has electric hoist body, the top sliding joint of steel beam has the trolley, the bottom of trolley rear side is fixedly connected with electric hoist body, the anti -sway subassembly includes mounting bracket, the bottom of mounting bracket is fixedly connected with trolley, the top fixed connection of mounting bracket has servo motor, the bottom of servo motor output passes through mounting bracket and is fixedly connected with driving gear, the front side swing joint of mounting bracket bottom has driven gear, the bottom fixed connection of driven gear has installation frame, the front side and rear side between installation frame inner chamber are fixedly connected with outer rotor motor, the bottom fixed connection of outer rotor motor has electric push rod, the bottom fixed connection of electric push rod output has connecting frame, the rear side fixed connection of connecting frame has the positioning sleeve, the tensioning subassembly includes control box, the rear side of control box is fixedly connected with electric hoist body, the left side fixed connection of control box inner chamber has control mechanism, the front side fixed connection of control mechanism has installation rod, the front side of installation rod passes through control box and is fixedly connected with control ring.

[0008] The utility model further sets up, the front side fixed connection of control box inner chamber bottom has the guide rail, the surface sliding joint of guide rail has the locating block, the top of locating block is fixedly connected with installation rod, and guide rail and locating block can be positioned to installation rod, so that it can move left and right stably, prevent it from shaking in the moving process.

[0009] The utility model further sets up, the rear side fixed connection of mounting bracket inner chamber has electric cylinder, the front side fixed connection of electric cylinder output has the toothed plate, the front side of toothed plate is engaged with driving gear, and electric cylinder can control toothed plate to move, and toothed plate can be engaged with driving gear, prevent installation frame from rotating.

[0010] The utility model further sets up, the top fixed connection of mounting bracket rear side has the pull rope, the rear side of pull rope is fixedly connected with trolley, and pull rope can increase the stability in the use process of installation frame, prevent installation frame from loosening and falling off.

[0011] The utility model further sets up, the front side and rear side of mounting bracket bottom all are fixedly connected with triangle reinforcing plate, and the bottom of triangle reinforcing plate is fixedly connected with trolley, and triangle reinforcing plate can further increase the stability of connection between installation frame and trolley.

[0012] The utility model further sets up, the shape of installation rod and connecting frame all is L -shaped, and the inner wall fixed connection of control ring has rubber ring, and rubber ring can avoid the surface of electric push rod from being abraded by control ring, and improve the friction between control ring and electric push rod.

[0013] The utility model further sets up, control mechanism includes control motor, the left side of control motor is fixedly connected with the inner wall of control box, the right side of control motor output is fixedly connected with screw rod, the surface screw rod is connected with the threaded bushing, the front side of threaded bushing is fixedly connected with the mounting rod, and control motor can cooperate with screw rod and control threaded bushing's use position, and threaded bushing can cooperate with screw rod and adjust mounting rod and control ring and move.

[0014] The utility model further sets up, the right side of screw rod is movably connected with the inner wall of control box through bearing, the front side of control box is equipped with the adjusting opening of cooperation use with mounting rod, and bearing can increase the stability in screw rod rotation process, and adjusting opening can make mounting rod control control ring's use position.

[0015] The utility model has the following beneficial effects.

[0016] 1, the utility model discloses a prevent rocking subassembly can pull the sling of electric hoist body, avoid its in the process of cargo hoisting and appear the swing of big amplitude, utilize servo motor and driving gear cooperation control driven gear and installation frame and rotate, through the external rotor motor and electric push rod cooperation control positioning sleeve moves to the opposite side of sling swing, through positioning sleeve and pull the sling, constantly exert opposite force on it and offset its swing action, make it restore the stationary state quickly, avoid its swing amplitude too big and lead to the goods fall.

[0017] 2, the utility model discloses a tensioning subassembly can pull the electric push rod and limit, when the goods swing amplitude is too big, and electric push rod can not control positioning sleeve and limit the sling, utilize control motor and screw rod cooperation control threaded bushing and mounting rod and move, and mounting rod and control ring cooperation pull electric push rod, prevent it and swing along with the sling, through external force and pull make it gradually restore the stationary state, improve the anti-swing effect of sling. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to make the technical scheme of the embodiments of the utility model clearer, the following will briefly introduce the drawings needed to be used in the embodiment description.

[0019] Figure 1 It is a kind of single-beam crane European electric hoist anti-swing device perspective view;

[0020] Figure 2 It is a kind of single-beam crane European electric hoist anti-swing device rear view;

[0021] Figure 3 It is a kind of single-beam crane European electric hoist anti-swing device control box sectional view;

[0022] Figure 4 It is a side view of a swing-preventing assembly in a swing-preventing device for a single-beam crane European electric hoist;

[0023] Figure 5 It is a swing-preventing assembly in a swing-preventing device for a single-beam crane European electric hoist Figure 3 It is a partial enlarged view of A in the middle.

[0024] In the drawings: 1, steel beam; 2, electric hoist body; 3, moving trolley; 4, swing-preventing assembly; 41, mounting frame; 42, servo motor; 43, driving gear; 44, driven gear; 45, mounting frame; 46, outer rotor motor; 47, electric push rod; 48, connecting frame; 49, positioning sleeve; 5, tensioning assembly; 51, control box; 52, control mechanism; 53, mounting rod; 54, control ring; 6, guide rail; 7, positioning block; 8, electric cylinder; 9, toothed plate; 10, pull rope; 521, control motor; 522, screw rod; 523, threaded sleeve. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. The described embodiments are only some of the embodiments of the present application, not all.

[0026] Embodiment one

[0027] Please refer to Figures 1-5 The utility model discloses a swing-preventing device for a single-beam crane European electric hoist, which comprises a steel beam 1, a swing-preventing assembly 4 and a tensioning assembly 5. The surface of the steel beam 1 is slidably connected with the electric hoist body 2. The top of the steel beam 1 is slidably connected with the moving trolley 3. The bottom of the rear side of the moving trolley 3 is fixedly connected with the electric hoist body 2. The swing-preventing assembly 4 comprises a mounting frame 41. The bottom of the mounting frame 41 is fixedly connected with the moving trolley 3. The top of the mounting frame 41 is fixedly connected with a servo motor 42. The bottom of the output end of the servo motor 42 penetrates through the mounting frame 41 and is fixedly connected with a driving gear 43. The front side of the bottom of the mounting frame 41 is movably connected with a driven gear 44. The bottom of the driven gear 44 is fixedly connected with a mounting frame 45. The front side and the rear side between the inner cavity of the mounting frame 45 are fixedly connected with an outer rotor motor 46. The bottom of the outer rotor motor 46 is fixedly connected with an electric push rod 47. The bottom of the output end of the electric push rod 47 is fixedly connected with a connecting frame 48. The rear side of the connecting frame 48 is fixedly connected with a positioning sleeve 49. The tensioning assembly 5 comprises a control box 51. The rear side of the control box 51 is fixedly connected with the electric hoist body 2. The left side of the inner cavity of the control box 51 is fixedly connected with a control mechanism 52. The front side of the control mechanism 52 is fixedly connected with a mounting rod 53. The front side of the mounting rod 53 penetrates through the control box 51 and is fixedly connected with a control ring 54.

[0028] Specifically, the mobile trolley 3 can slide on the steel beam 1, and the supporting effect of the mounting frame 41 is improved, the mounting frame 41 can facilitate the installation of the servo motor 42 and the mounting frame 45, the servo motor 42 can control the rotation of the driving gear 43 and the driven gear 44, the outer rotor motor 46 can control the swinging of the electric push rod 47, the connecting frame 48 can facilitate the installation and fixation of the positioning sleeve 49, the positioning sleeve 49 can be sleeved on the surface of the sling of the electric hoist body 2, and is used for preventing the sling from swinging, the mounting rod 53 can cooperate with the control mechanism 52 to adjust the use position of the control ring 54, the control ring 54 is sleeved on the surface of the electric push rod 47, and is used for preventing the swinging amplitude of the electric push rod 47 from being too large, and pulling the electric push rod 47 to gradually restore the static state.

[0029] Example two

[0030] Please refer to Figures 1-5 On the basis of example one, the front side of the inner cavity bottom of the control box 51 is fixedly connected with a guide rail 6, the surface of the guide rail 6 is slidably connected with a positioning block 7, the top of the positioning block 7 is fixedly connected with the mounting rod 53, the rear side of the inner cavity of the mounting frame 41 is fixedly connected with an electric cylinder 8, the front side of the output end of the electric cylinder 8 is fixedly connected with a toothed plate 9, the front side of the toothed plate 9 is engaged with the driving gear 43, the top of the rear side of the mounting frame 41 is fixedly connected with a pulling rope 10, the rear side of the pulling rope 10 is fixedly connected with the mobile trolley 3, the front side and the rear side of the bottom of the mounting frame 41 are fixedly connected with triangular reinforcing plates, the bottom of the triangular reinforcing plate is fixedly connected with the mobile trolley 3, the shapes of the mounting rod 53 and the connecting frame 48 are both L-shaped, the inner wall of the control ring 54 is fixedly connected with a rubber ring, the control mechanism 52 comprises a control motor 521, the left side of the control motor 521 is fixedly connected with the inner wall of the control box 51, the right side of the output end of the control motor 521 is fixedly connected with a screw rod 522, the surface of the screw rod 522 is threadedly connected with a threaded sleeve 523, the front side of the threaded sleeve 523 is fixedly connected with the mounting rod 53, the right side of the screw rod 522 is movably connected with the inner wall of the control box 51 through a bearing, and the front side of the control box 51 is provided with an adjusting opening used in cooperation with the mounting rod 53.

[0031] Specifically: guide rail 6 and positioning block 7 can limit the installation rod 53, so that it can smoothly move left and right, prevent it from shaking during movement, electric cylinder 8 can control the gear plate 9 to move, the gear plate 9 can be engaged with the driving gear 43, prevent the installation frame 45 from rotating, the pull rope 10 can increase the stability of the installation frame 41 during use, prevent the installation frame 41 from loosening and falling off, the triangular reinforcing plate can further increase the stability of the connection between the installation frame 41 and the moving trolley 3, the rubber ring can avoid the surface of the electric push rod 47 from being worn by the control ring 54, and improve the friction between the control ring 54 and the electric push rod 47, the control motor 521 can cooperate with the screw rod 522 to control the use position of the threaded sleeve 523, the threaded sleeve 523 can cooperate with the screw rod 522 to adjust the movement of the installation rod 53 and the control ring 54, the bearing can increase the stability during the rotation of the screw rod 522, and the adjusting opening can control the use position of the installation rod 53.

[0032] The working principle of the utility model is: in the process of hoisting the goods, the electric push rod 47 is started, the connecting frame 48 and the positioning sleeve 49 are controlled to move downward by the electric push rod 47, when the electric hoist body 2 hoists the goods and swings, the servo motor 42 and the outer rotor motor 46 are started, the servo motor 42 cooperates with the driving gear 43 to control the driven gear 44 and the installation frame 45 to rotate, the outer rotor motor 46 controls the electric push rod 47 to swing, according to the swinging direction of the sling and the goods, the positioning sleeve 49 moves to the opposite side, by continuously applying opposite force to the sling to offset the swinging action, the sling is quickly restored to the static state, after repeating the above operation for many times, the sling is restored to the static state, preventing the sling from swinging too much and causing the goods to fall, when the sling and the goods swing greatly and the electric push rod 47 swings simultaneously, the control motor 521 is started, the control motor 521 cooperates with the screw rod 522 to control the threaded sleeve 523 and the installation rod 53 to move, the installation rod 53 drives the control ring 54 to move, the control ring 54 pulls the electric push rod 47, preventing it from continuing to swing with the sling, gradually restoring the static state by external force, improving the anti-swing effect of the sling.

[0033] The above disclosed preferred embodiments of the utility model are only used to help describe the utility model, the preferred embodiments do not describe all the details, and the utility model is not limited to the specific implementation mode, the description selects and specifically describes these embodiments, in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model.

Claims

1. A single-beam crane anti-swing device for a European electric hoist, comprising a steel beam (1), an anti-swing assembly (4) and a tensioning assembly (5), characterized in that: The surface of the steel beam (1) is slidably connected with the electric hoist body (2), the top of the steel beam (1) is slidably connected with the moving trolley (3), and the bottom of the rear side of the moving trolley (3) is fixedly connected with the electric hoist body (2). The anti-swing assembly (4) comprises a mounting frame (41), the bottom of the mounting frame (41) is fixedly connected with the moving trolley (3), the top of the mounting frame (41) is fixedly connected with a servo motor (42), the bottom of the output end of the servo motor (42) penetrates through the mounting frame (41) and is fixedly connected with a driving gear (43), the front side of the bottom of the mounting frame (41) is movably connected with a driven gear (44), the bottom of the driven gear (44) is fixedly connected with a mounting frame (45), the front side and the rear side of the inner cavity of the mounting frame (45) are fixedly connected with an outer rotor motor (46), the bottom of the outer rotor motor (46) is fixedly connected with an electric push rod (47), the bottom of the output end of the electric push rod (47) is fixedly connected with a connecting frame (48), and the rear side of the connecting frame (48) is fixedly connected with a positioning sleeve (49). The tensioning assembly (5) comprises a control box (51), the rear side of the control box (51) is fixedly connected with the electric hoist body (2), the left side of the inner cavity of the control box (51) is fixedly connected with a control mechanism (52), the front side of the control mechanism (52) is fixedly connected with a mounting rod (53), and the front side of the mounting rod (53) penetrates through the control box (51) and is fixedly connected with a control ring (54).

2. A single-beam crane European electric hoist anti-swing device according to claim 1, characterized in that: The front side of the inner cavity bottom of the control box (51) is fixedly connected with a guide rail (6), the surface of the guide rail (6) is slidably connected with a positioning block (7), and the top of the positioning block (7) is fixedly connected with the mounting rod (53).

3. A single-beam crane European electric hoist anti-swing device according to claim 1, characterized in that: The rear side of the inner cavity of the mounting frame (41) is fixedly connected with an electric cylinder (8), the front side of the output end of the electric cylinder (8) is fixedly connected with a toothed plate (9), and the front side of the toothed plate (9) is engaged with the driving gear (43).

4. A single-beam crane European electric hoist anti-swing device according to claim 1, characterized in that: The top of the rear side of the mounting frame (41) is fixedly connected with a pulling rope (10), and the rear side of the pulling rope (10) is fixedly connected with the moving trolley (3).

5. A single-beam crane European electric hoist anti-swing device according to claim 1, characterized in that: The front side and the rear side of the bottom of the mounting frame (41) are both fixedly connected with triangular reinforcing plates, and the bottom of the triangular reinforcing plate is fixedly connected with the moving trolley (3).

6. A single beam crane European hoist anti-swing device according to claim 1, characterized in that: The mounting rod (53) and the connecting frame (48) are both L-shaped, and the inner wall of the control ring (54) is fixedly connected with a rubber ring.

7. A single-beam crane European electric hoist anti-swing device according to claim 1, characterized in that: The control mechanism (52) comprises a control motor (521), the left side of the control motor (521) is fixedly connected with the inner wall of the control box (51), the right side of the output end of the control motor (521) is fixedly connected with a screw rod (522), the surface of the screw rod (522) is threadedly connected with a threaded sleeve (523), and the front side of the threaded sleeve (523) is fixedly connected with the mounting rod (53).

8. A single-beam crane European electric hoist anti-swing device according to claim 7, characterized in that: The right side of the screw rod (522) is movably connected with the inner wall of the control box (51) through a bearing, and the front side of the control box (51) is provided with an adjusting opening matched with the mounting rod (53).