Double-track single main beam of electric hoist type crane

Abstract

The utility model discloses a double-track single main beam of an electric hoist type crane, which relates to the technical field of crane equipment and comprises a single main beam body, a frame plate is fixedly connected to the side edge of the single main beam body, a damping mechanism is arranged outside the frame plate, and the damping mechanism comprises a driving motor arranged outside the frame plate. A first gear is arranged at the output end of the driving motor, a second gear is in meshed connection with the side edge of the first gear, a transmission rod is fixedly connected with the side, close to the first gear, of the second gear, a first bevel gear is fixedly connected with the side, away from the second gear, of the transmission rod, and a third gear is in transmission connection with the side, away from the transmission rod, of the first bevel gear; the side edge of the third gear is in meshed connection with a rack rod, so that vibration energy can be effectively absorbed and dispersed, the influence of vibration on a main beam structure is remarkably reduced, fatigue deformation of a main beam is prevented, and particularly the situation that a lower flange deforms due to overlarge suspension wheel pressure is prevented, so that the safety and the stability of the crane are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a crane equipment technical field especially relates to a double -track single main beam of electric hoist type crane. BACKGROUND

[0002] Electric hoist type hoisting assembly is a common hoisting equipment, which is mainly composed of multiple key parts to realize the lifting, lowering and moving functions of goods. Electric hoist type hoisting assembly is widely used in construction, warehousing logistics, manufacturing, shipbuilding and maintenance, port loading and unloading operation, power industry, electromechanical maintenance, mining and home decoration and moving. Its efficient, safe and reliable characteristics make electric hoist become an indispensable equipment in modern operation. The double -track single main beam of electric hoist type crane usually adopts the design of groove type beam body, and the lower end of the groove type beam body is provided with double -track rail, and the hoist is arranged in the groove type beam body above the rail.

[0003] In the prior art, the double -track single main beam of electric hoist type crane is generally connected with the bottom device on the ground. The bottom device may generate large vibration during operation. The vibration is transmitted to the double -track single main beam through the supporting beam. The long duration may cause the main beam (such as I -beam, H -steel or box -shaped main beam) to deform, especially the lower flange may deform due to the large suspension wheel pressure. In severe cases, it may cause crane falling accident. Therefore, a double -track single main beam of electric hoist type crane is proposed. UTILITY MODEL CONTENTS

[0004] The utility model discloses a double -track single main beam of electric hoist type crane, which can solve the problem that the double -track single main beam of electric hoist type crane is generally connected with the bottom device on the ground in the prior art. The bottom device may generate large vibration during operation. The vibration is transmitted to the double -track single main beam through the supporting beam. The long duration may cause the main beam (such as I -beam, H -steel or box -shaped main beam) to deform, especially the lower flange may deform due to the large suspension wheel pressure. In severe cases, it may cause crane falling accident.

[0005] In order to achieve the above -mentioned purpose, the utility model adopts the following technical scheme:

[0006] The utility model provides a double -track single main beam of electric hoist type crane, including single main beam beam body, the side fixed connection of single main beam beam body has frame board, the outside of frame board is provided with damping mechanism, the outside of frame board is provided with drive motor, the output of drive motor is provided with first gear, the side engagement of first gear is connected with second gear, the side fixed connection of second gear is close to first gear transmission rod, the side fixed connection of first bevel gear is away from transmission rod, the side transmission of third gear is connected with first bevel gear away from transmission rod, the side engagement of third gear is connected with rack rod, the lower fixed connection of rack rod is connected with connecting plate, the lower fixed connection of connecting plate is connected with spring, drive motor starts through first gear and drives second gear to rotate, second gear drives first bevel gear and third gear to rotate through transmission rod, third gear drives spring to move down and compresses spring and makes it produce elastic potential energy through rack rod and connecting plate.

[0007] Wherein, the other end of the transmission rod is drivingly connected with another set of first bevel gear, second bevel gear, third gear, rack rod, connecting plate and spring, achieving the effect of bilateral damping.

[0008] The above technical scheme further comprises:

[0009] The frame board is fixedly connected with the drive motor, and the drive motor is fixedly installed outside the elongated side plate below the frame board.

[0010] The first bevel gear is engaged with a second bevel gear, the second bevel gear is fixedly connected with the third gear, and the third gear is rotatably connected with the single main beam beam body.

[0011] The transmission rod is rotatably connected with a support plate on the side close to the first bevel gear, and the support plate is fixedly connected with the frame board.

[0012] A sleeve is slidably connected above the rack rod, and the sleeve is fixedly connected with the frame board.

[0013] The spring is fixedly connected with a connecting girder below.

[0014] The connecting girder is provided with two symmetrical groups for connecting the base and other components.

[0015] A bearing column is fixedly connected above the connecting girder, the bearing column is fixedly connected with the single main beam beam body, and the connecting plate is slidably connected with the bearing column.

[0016] A double-track rod is arranged below the single main beam beam body.

[0017] The electric hoist type lifting assembly can control itself to slide outside the double-track beam.

[0018] The electric hoist type lifting assembly generally comprises a hook, a pulley, a pulley frame, a steel wire rope or chain and a transmission mechanism.

[0019] The utility model has the following beneficial effects:

[0020] 1、The utility model discloses a damping mechanism is arranged, when the vibration produced when the bottom device runs is transmitted to the double-track single main beam, the driving motor starts, drives a series of gear and rack rod transmission, finally compresses the spring and makes it produce elastic potential energy, and can adjust the elastic potential energy size according to the vibration size, this design can effectively absorb and disperse vibration energy, significantly reduce the influence of vibration on the main beam structure, prevent the fatigue deformation of the main beam, especially the deformation situation of the lower flange because of the too large suspension wheel pressure, thereby greatly improve the safety and stability of the crane.

[0021] 2、The utility model discloses a transmission rod another end is also connected with a set of damping mechanism, realized the effect of bilateral damping, this means that no matter vibration comes from which direction, can obtain effective absorption and dispersion, further enhanced the anti-seismic performance of the crane, through the design of support plate, sleeve and bearing column etc. Key parts such as transmission rod, rack rod and connecting plate are ensured stable and durable during transmission. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 A structure diagram of a double-track single main beam of an electric hoist type crane is provided for the utility model;

[0023] Figure 2 An external structure diagram in the utility model;

[0024] Figure 3 A part of the utility model is a three-dimensional structure diagram;

[0025] Figure 4 A Figure 1 A structure enlarged diagram in A of the utility model;

[0026] Figure 5 A Figure 1 A structure enlarged diagram in B of the utility model.

[0027] In the diagram: 1. Single main beam; 2. Frame plate; 3. Drive motor; 4. First gear; 5. Second gear; 6. Transmission rod; 7. First bevel gear; 8. Second bevel gear; 9. Third gear; 10. Rack; 11. Connecting plate; 12. Spring; 13. Support plate; 14. Sleeve; 15. Bearing column; 16. Connecting base beam; 17. Double rail; 18. Electric hoist lifting assembly. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Example 1

[0030] like Figures 1-5 As shown, this utility model proposes a double-rail single main beam for an electric hoist crane, including a single main beam body 1. A frame plate 2 is fixedly connected to the side of the single main beam body 1. A shock-absorbing mechanism is provided on the outside of the frame plate 2. The shock-absorbing mechanism includes a drive motor 3 located outside the frame plate 2. A first gear 4 is provided at the output end of the drive motor 3. A second gear 5 is meshed with the side of the first gear 4. A transmission rod 6 is fixedly connected to the side of the second gear 5 near the first gear 4. A first bevel gear 7 is fixedly connected to the side of the transmission rod 6 away from the second gear 5. The bevel gear 7 is connected to the third gear 9 on the side away from the transmission rod 6. The third gear 9 is meshed with the rack rod 10 on its side. The rack rod 10 is fixedly connected to the bottom of the rack rod 10. The connecting plate 11 is fixedly connected to the bottom of the connecting plate 11. After the drive motor 3 starts, it drives the second gear 5 to rotate through the first gear 4. The second gear 5 drives the first bevel gear 7 and the third gear 9 to rotate through the transmission rod 6. The third gear 9 drives the spring 12 to move downward through the rack rod 10 and the connecting plate 11 and compresses the spring 12 to generate elastic potential energy.

[0031] The frame plate 2 is fixedly connected to the drive motor 3, and the drive motor 3 is fixedly installed on the outside of the extended side plate below the frame plate 2.

[0032] The first bevel gear 7 is laterally meshed with the second bevel gear 8, the second bevel gear 8 is fixedly connected to the third gear 9, and the third gear 9 is rotatably connected to the single main beam 1.

[0033] A connecting base beam 16 is fixedly connected below the spring 12.

[0034] The connecting base beam 16 is provided in two symmetrical sets for connecting the base and other components.

[0035] In this embodiment, the frame plate 2 is fixedly connected to the side of the single main beam body 1, the damping mechanism arranged on the side of the frame plate 2 is started, and the driving motor 3 in the damping mechanism starts to operate. When the driving motor 3 operates, the first gear 4 arranged at the output end of the driving motor 3 starts to rotate, the second gear 5 meshingly connected to the side of the first gear 4 starts to rotate when the first gear 4 rotates, the transmission rod 6 fixedly connected to the inside of the second gear 5 starts to rotate when the second gear 5 rotates, the first bevel gear 7 fixedly connected to the other end of the transmission rod 6 starts to rotate when the transmission rod 6 rotates, the second bevel gear 8 arranged on the side starts to rotate when the first bevel gear 7 rotates, the third gear 9 is fixedly connected to the second bevel gear 8 through the bearing rod, the third gear 9 starts to rotate when the second bevel gear 8 rotates, the rack rod 10 meshingly connected to the side of the third gear 9 starts to move downward when the third gear 9 rotates, the connecting plate 11 fixedly connected to the side of the rack rod 10 starts to move downward when the rack rod 10 moves downward, a plurality of springs 12 are fixedly connected below the connecting plate 11, the other side of the plurality of springs 12 is fixedly connected to the connecting base beam 16, so that the connecting plate 11 moving downward can compress the plurality of springs 12 and make the plurality of springs 12 generate elastic potential energy, the size of the elastic potential energy is adjusted according to the size of the vibration, so that the elastic potential energy can resist the vibration force to achieve high-efficiency damping, and the other plurality of springs 12 arranged on the other end of the transmission rod 6 are driven by the same principle, so that both sides of the device can be efficiently damped to prevent the single main beam body 1 from being damaged.

[0036] Embodiment two

[0037] As shown in Figures 1-5 , based on the basis of embodiment one, the support plate 13 is rotatably connected to the side of the transmission rod 6 close to the first bevel gear 7, and the support plate 13 is fixedly connected to the frame plate 2.

[0038] The sleeve 14 is slidably connected above the rack rod 10, and the sleeve 14 is fixedly connected to the frame plate 2.

[0039] The bearing column 15 is fixedly connected above the connecting base beam 16, the bearing column 15 is fixedly connected to the single main beam body 1, and the connecting plate 11 is slidably connected to the bearing column 15.

[0040] The double-rail rod 17 is arranged below the single main beam body 1.

[0041] The electric hoist type lifting assembly 18 is arranged below the double-rail rod 17, and the electric hoist type lifting assembly 18 can control itself to slide outside the double-rail rod 17.

[0042] In this embodiment, when the transmission rod 6 rotates, the transmission rod 6 rotates inside the support plate 13 fixedly connected below the frame plate 2, the support plate 13 is arranged at both ends of the transmission rod 6, ensures the stability of power transmission when the transmission rod 6 rotates, the sleeve 14 is slidably connected above the rack rod 10, the rack rod 10 slides inside the sleeve 14 when it moves downward, the other end of the sleeve 14 is fixedly installed outside the frame plate 2, so that the stability is maintained when the rack rod 10 moves downward, the connecting plate 11 slides outside the bearing column 15 when it moves downward, the bearing column 15 is responsible for connecting the single main girder 1 and the connecting beam 16, so that the whole device remains stable, the double rail rod 17 is arranged inside the single main girder 1, the electric hoist type lifting assembly 18 arranged outside the double rail rod 17 can slide outside the double rail rod 17 by virtue of its own structure, complete position adjustment, convenient for the staff to use.

[0043] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. Double-track single-girder of an electric hoist-type crane, comprising a single-girder girder body (1), characterized in that, The single main beam body (1) side fixedly connected with the frame plate (2), the frame plate (2) outside is provided with damping mechanism, the damping mechanism includes the drive motor (3) outside frame plate (2) setting, the output of drive motor (3) is provided with first gear (4), first gear (4) side engagement is connected with second gear (5), the side of second gear (5) close to first gear (4) is fixedly connected with transmission rod (6), the side of transmission rod (6) away from second gear (5) is fixedly connected with first bevel gear (7), the side of first bevel gear (7) away from transmission rod (6) is drivenly connected with third gear (9), third gear (9) side engagement is connected with rack bar (10), the lower part of rack bar (10) is fixedly connected with connecting plate (11), the lower part of connecting plate (11) is fixedly connected with spring (12), drive motor (3) is started through first gear (4) and drives second gear (5) to rotate, second gear (5) drives first bevel gear (7) and third gear (9) to rotate through transmission rod (6), third gear (9) drives spring (12) to move downwards and compresses spring (12) to make it produce elastic potential energy through rack bar (10) and connecting plate (11).

2. A double track single girder of an electric hoist type crane according to claim 1, characterized in that, The frame plate (2) is fixedly connected between the drive motor (3), and the drive motor (3) is fixedly installed outside the elongated side plate below the frame plate (2).

3. A double track single girder of an electric hoist type crane according to claim 1, characterized in that, The first bevel gear (7) side engagement is connected with the second bevel gear (8), and the second bevel gear (8) is fixedly connected between the third gear (9). The third gear (9) is rotatably connected between the single main beam body (1).

4. A double track single girder of an electric hoist type crane according to claim 1, characterized in that, The transmission rod (6) is rotatably connected with the support plate (13) on the side close to the first bevel gear (7), and the support plate (13) is fixedly connected between the frame plate (2).

5. A double track single girder of an electric hoist type crane according to claim 1, characterized in that, The sleeve (14) is slidably connected above the rack bar (10), and the sleeve (14) is fixedly connected between the frame plate (2).

6. A double track single girder of an electric hoist type crane according to claim 1, characterized in that, The spring (12) is fixedly connected below the connecting base beam (16).

7. A double track single girder of an electric hoist type hoist, according to claim 6, characterized in that, The connecting base beam (16) is provided with two groups of symmetrical connecting base beams (16) for connecting the base and other components.

8. A double track single girder of an electric hoist type hoist, according to claim 7, characterized in that, The bearing column (15) is fixedly connected above the connecting base beam (16), and the bearing column (15) is fixedly connected between the single main beam body (1). The connecting plate (11) is slidably connected between the bearing column (15).

9. A double track single girder of an electric hoist type hoist, according to claim 8, characterized in that, The double rail rod (17) is arranged below the single main beam body (1).

10. A double track single girder of an electric hoist type hoist, according to claim 9, characterized in that, The electric hoist type lifting assembly (18) is arranged below the double rail rod (17), and the electric hoist type lifting assembly (18) can control itself to slide outside the double rail rod (17).

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