Electric driving equipment of rigid rail crane

Abstract

The invention relates to the field of rigid rail cranes, and discloses rigid rail crane electric driving equipment which comprises a fixing frame, a driving motor is fixedly connected to the fixing frame, a speed reducer is fixedly connected in the fixing frame, the input end of the speed reducer penetrates through the fixing frame, and the input end of the speed reducer is fixedly connected with the output end of the driving motor. The output end of the speed reducer is in meshed connection with a transmission chain, the transmission chain is in meshed connection with friction wheels, the friction wheels are symmetrically and rotationally connected to clamping plates, the clamping plates are fixedly connected to a connecting frame, the connecting frame is fixedly connected to a connecting plate, springs are symmetrically and tightly attached to the connecting plate, and connecting rods connected with the connecting plate in a penetrating mode are arranged in the springs. And the connecting rod is fixedly connected with a travelling wheel. According to the rigid rail crane electric driving equipment, the friction wheel with the relatively small diameter is arranged, so that the friction wheel is not prone to deformation, and the maintenance rate is reduced.

Description

Technical Field

[0001] The present invention relates to the field of rigid rail cranes, and specifically to an electric drive device for rigid rail cranes. Background Art

[0002] A rigid rail crane is a light and small lifting device that uses a rigid C-shaped track to replace the traditional track and uses square pipes to replace the hanging parts and the I-beam hanging points. This kind of track has higher strength and stability compared with the traditional KBK track, can provide a better net height, and does not require additional steel structures as supports, which is very suitable for factories with dense space and strict requirements for net height. The electric drive used in existing rigid rail cranes on the market is operated by a friction wheel with a diameter of about 400 mm. Its working principle is to tighten the nut at the bottom of the walking wheel, and the upper compression spring moves the friction wheel fixing plate upward by increasing the elastic force and adheres to the upper edge of the track, so that the friction wheel adheres to the upper edge of the inner cavity of the rigid rail and is driven by a reduction motor. Then, the characteristic of large polyurethane friction force is used as the power output, and it runs by making 4 walking wheels adhere to the lower edge of the inner cavity.

[0003] However, the existing electric drive devices for rigid rail cranes still have certain deficiencies. First of all, due to the large diameter and thin thickness of the polyurethane wheel disc with a diameter of 400 mm, although this electric drive can complete the electric operation, the wheels will be deformed and the maintenance rate is relatively high. Secondly, the overall structure of this device is relatively large, resulting in a large visual blind area during use, and the overall weight is also relatively heavy, affecting the user experience. Therefore, it is very necessary to design an electric drive device for rigid rail cranes. Summary of the Invention

[0004] The present invention provides an electric drive device for rigid rail cranes, which solves the problems raised in the above background art.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] An electric drive device for rigid rail cranes includes a fixed frame, a drive motor is fixedly connected to the fixed frame, a speed reducer is fixedly connected in the fixed frame, the input end of the speed reducer penetrates the fixed frame, the input end of the speed reducer is fixedly connected to the output end of the drive motor, the output end of the speed reducer is meshed with a transmission chain, the transmission chain is meshed with a friction wheel, the friction wheels are symmetrically rotatably connected to a clamping plate, the clamping plate is fixedly connected to a connecting frame, the connecting frame is fixedly connected to a connecting plate, springs are symmetrically and closely attached to both sides of the connecting plate, a connecting rod penetrating the connecting plate is arranged inside the spring, the connecting rod is fixedly connected with a traveling wheel, and guide columns are symmetrically arranged on both sides of the connecting plate.

[0007] As a preferred technical solution of the present invention, the transmission chain passes through the connecting plate and meshes with the adjusting wheel plate, the adjusting wheel plate is slidably connected to the connecting plate, a fixing bolt is tightly attached to the connecting plate, and the fixing bolt is arranged on the adjusting wheel plate.

[0008] As a preferred technical solution of the present invention, an adjusting rod is fixedly connected to the adjusting wheel plate, the adjusting rod is arranged on the adjusting plate, and the adjusting plate is fixedly connected to the connecting plate.

[0009] As a preferred technical solution of the present invention, an adapter plate is fixedly connected to the connecting plate, a connecting bent plate is fixedly connected to the adapter plate, and a counterweight plate is fixedly connected to the connecting plate.

[0010] As a preferred technical solution of the present invention, a dustproof plate is fixedly connected to the counterweight plate.

[0011] The present invention has the following benefits:

[0012] The present invention is applicable to an electric drive device for a rigid rail crane. By arranging a friction wheel with a relatively small diameter, the friction wheel is not easily deformed, thereby reducing the maintenance rate. The overall structure has a small volume, so that the blind area of ​​vision generated during use is small, and the overall weight is relatively light, thereby improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 The figure is a schematic diagram of the structure of an electric drive device for a rigid rail crane.

[0015] Figure 2 The figure is a front view of an electric drive device for a rigid rail crane.

[0016] Figure 3 The figure is a schematic diagram of the structure of the electric drive device and guide rail of a rigid rail crane.

[0017] In the figure: 1. driving motor; 2. fixing frame; 3. speed reducer; 4. transmission chain; 5. friction wheel; 6. clamping plate; 7. connecting frame; 8. connecting plate; 9. adjusting wheel plate; 10. fixing bolt; 11. adjusting rod; 12. adjusting plate; 13. spring; 14. connecting rod; 15. running wheel; 16. guide column; 17. adapter plate; 18. connecting bent plate; 19. counterweight plate; 20. dustproof plate. DETAILED DESCRIPTION

[0018] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0019] In one embodiment, see Figures 1 - 3 A rigid rail crane electric drive device includes a fixed frame 2, a driving motor 1 is fixedly connected to the fixed frame 2, a reducer 3 is fixedly connected in the fixed frame 2, an input end of the reducer 3 passes through the fixed frame 2, an input end of the reducer 3 is fixedly connected to the output end of the driving motor 1, an output end of the reducer 3 is meshedly connected to a transmission chain 4, a transmission chain 4 is meshedly connected to a friction wheel 5, the friction wheel 5 is symmetrically connected to a clamping plate 6, the clamping plate 6 is fixedly connected to a connecting frame 7, the connecting frame 7 is fixedly connected to a connecting plate 8, a spring 13 is symmetrically attached to the connecting plate 8, a connecting rod 14 is arranged inside the spring 13 and connected to the connecting plate 8, a running wheel 15 is fixedly connected to the connecting rod 14, and guide columns 16 are symmetrically arranged on both sides of the connecting plate 8. The driving motor 1 is fixedly connected to the fixed frame 2, a reducer 3 is fixedly connected in the fixed frame 2, an input end of the reducer 3 passes through the fixed frame 2 and is fixedly connected to the output end of the driving motor 1.

[0020] In one case of this embodiment, the transmission chain 4 passes through the connecting plate 8 and meshes with the adjusting wheel plate 9, the adjusting wheel plate 9 is slidably connected to the connecting plate 8, a fixing bolt 10 is closely attached to the connecting plate 8, and the fixing bolt 10 is arranged on the adjusting wheel plate 9. An adjusting rod 11 is fixedly connected to the adjusting wheel plate 9, the adjusting rod 11 is arranged on the adjusting plate 12, and the adjusting plate 12 is fixedly connected to the connecting plate 8.

[0021] In one case of this embodiment, the connecting plate 8 is fixedly connected with an adapter plate 17, the adapter plate 17 is fixedly connected with a connecting bent plate 18, and the connecting plate 8 is fixedly connected with a counterweight plate 19. The counterweight plate 19 is used to ensure the counterweight balance of the connecting plate 8. The counterweight plate 19 is fixedly connected with a dustproof plate 20. The dustproof plate 20 is used to prevent dust from splashing into the transmission structure of the equipment.

[0022] During the implementation of this embodiment, first, the drive chain 4 is wound around the output end of the speed reducer 3, the friction wheel 5, and the adjusting wheel plate 9. By adjusting the position of the adjusting spring 13 on the connecting rod 14, the elastic force of the adjusting spring 13 is adjusted, so as to ensure that when the traveling wheel 15 is located on the lower side of the inner wall of the guide rail, the friction wheel 5 can tightly press on the upper side of the inner wall of the guide rail. By adjusting the distance between the adjusting rod 11 and the adjusting plate 12, the position of the adjusting wheel plate 9 is adjusted, and the adjusting wheel plate 9 is fixed by the fixing bolt 10 to ensure that the tension of the drive chain 4 meets the requirements. Then, the drive motor 1 and the output of the speed reducer 3 drive the drive chain 4 to rotate, thereby driving the friction wheel 5 to rotate. The friction force of the friction wheel 5 is used to move in the guide rail, so as to cooperate with the traveling wheel 15 to drive the whole to move on the guide rail.

[0023] The present invention is applicable to an electric drive device for a rigid rail crane. By setting the friction wheel 5 with a relatively small diameter, the friction wheel 5 is not easily deformed, the maintenance rate is reduced, and the overall structure volume is relatively small, so that the visual blind area generated during use is relatively small, and the overall weight is also relatively light, improving the user experience.

[0024] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, it is intended to include all changes falling within the meaning and scope of the equivalent elements of the claims in the present invention.

Claims

1. A rigid rail crane electric drive device, characterized in that: The invention comprises a fixed frame, which is fixedly connected with a driving motor, and a reducer is fixedly connected in the fixed frame, and the input end of the reducer passes through the fixed frame, and the input end of the reducer is fixedly connected with the output end of the driving motor, and the output end of the reducer is meshedly connected with a transmission chain, and the transmission chain is meshedly connected with a friction wheel, and the friction wheel is symmetrically connected to a clamping plate for rotation, and the clamping plate is fixedly connected to the connecting frame, and the connecting frame is fixedly connected to the connecting plate, and springs are symmetrically and tightly attached to the connecting plate, and a connecting rod connected with the connecting plate through the connecting plate is arranged inside the spring, and a running wheel is fixedly connected to the connecting rod, and guide columns are symmetrically arranged on both sides of the connecting plate, and the transmission chain passes through the connecting plate and is meshedly connected with an adjusting wheel plate, and the adjusting wheel plate is slidably connected to the connecting plate, and a fixing bolt is tightly attached to the connecting plate, and the fixing bolt is arranged on the adjusting wheel plate, and an adjusting rod is fixedly connected to the adjusting wheel plate, and the adjusting rod is arranged on the adjusting plate, and the adjusting plate is fixedly connected to the connecting plate.

2. The electric drive device of a rigid rail crane according to claim 1, characterized in that: The connecting plate is fixedly connected with an adapter plate, the adapter plate is fixedly connected with a connecting bent plate, and the connecting plate is fixedly connected with a counterweight plate.

3. The electric drive device of a rigid rail crane according to claim 2, characterized in that: A dustproof plate is fixedly connected to the counterweight plate.

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