Driving wheel set for bridge crane trolley

Abstract

The utility model relates to the technical field of bridge crane trolleys, and discloses a driving wheel set for a bridge crane trolley, which comprises a driving wheel, a mounting hole is formed in the axis center of the driving wheel, a fixed shaft is fixedly connected in the mounting hole, the left end of the fixed shaft is fixedly connected with a connecting shaft, and the left end of the connecting shaft is fixedly connected with a driving wheel. Mounting seats are arranged at the left end and the right end of the fixing shaft, bearings are rotationally connected into the mounting seats, the fixing shaft is sleeved with the bearings, a driving assembly is fixedly connected to the left end of the connecting shaft, a mounting plate is fixedly connected to the tops of the mounting seats, and a damping assembly is fixedly mounted in the middle of the top of the mounting plate. The driving wheel set is compact in structure, can adapt to complex construction environments and carrying tasks, adopts a chain wheel transmission mode, is small in mounting height, is suitable for being used on equipment with limited height, and not only improves the safety performance of the crane, but also reduces the maintenance cost of the equipment.

Description

Technical Field

[0001] The utility model relates to the technical field of a bridge crane trolley, and more specifically to a driving wheel group for a bridge crane trolley. Background Art

[0002] The bridge crane trolley is an important component of the bridge crane. Its design, manufacture and application play a vital role in the field of material handling. With the continuous advancement of industrial technology and the growing demand for logistics, the technological development of the bridge crane trolley has also shown a trend of diversification, efficiency and intelligence. With the increasing demand for large-scale lifting equipment in the industrial and construction industries, the bridge crane trolley is developing in a larger and more powerful direction. This large-scale trend not only improves the crane's carrying capacity, but also enables it to cope with more complex construction environments and handling tasks.

[0003] The shortcomings of the existing technology: the traditional driving wheel group is often unable to adapt to complex construction environments and handling tasks, and the installation height is relatively large, which is not suitable for use on equipment with limited height. In addition, the transmission mode of the traditional driving wheel group is mostly gear transmission, which is noisy and wears quickly, reducing the service life and safety of the equipment and increasing the maintenance cost of the equipment. Therefore, it is necessary to design a driving wheel group for a bridge crane trolley. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a driving wheel group for a bridge crane trolley to solve the problems existing in the above-mentioned background technology.

[0005] The utility model provides the following technical solution: a driving wheel group for a bridge crane trolley, comprising a driving wheel, a mounting hole is opened at the center of the axis of the driving wheel, a fixed shaft is fixedly connected in the mounting hole, a connecting shaft is fixedly connected to the left end of the fixed shaft, mounting seats are arranged at both left and right ends of the fixed shaft, a bearing is rotatably connected inside the mounting seat, the bearing sleeve is arranged on the fixed shaft, a driving assembly is fixedly connected to the left end of the connecting shaft, a mounting plate is fixedly connected to the top of the mounting seat, and a shock absorbing assembly is fixedly installed at the center position of the top of the mounting plate.

[0006] Preferably, a limiting sleeve is arranged between the mounting seat at the left end of the fixed shaft and the driving wheel, and the limiting sleeve is arranged on the fixed shaft.

[0007] Preferably, the driving assembly includes a fixing sleeve, which is arranged on the left end of the connecting shaft, and two sets of sprockets are fixedly connected to the central axis of the fixing sleeve, and a fastening screw and a fastening sleeve are arranged inside the sprocket, and the fastening sleeve is arranged on the fastening screw, and the fastening screw is threadedly connected to the connecting shaft.

[0008] Preferably, an annular guide groove is provided on the outer wall of the driving wheel, a wear-resistant ring is sleeved on the annular guide groove, and the wear-resistant ring is fixedly connected to the driving wheel.

[0009] Preferably, the shock absorbing assembly comprises a fixing plate, a connecting plate and a shock absorbing spring, a connecting plate is arranged on the top of the fixing plate, and a shock absorbing spring is fixedly connected to one side of the fixing plate opposite to the connecting plate.

[0010] Preferably, through holes are provided on both the front and rear sides of the mounting plate, a connecting rod is provided in the through hole, and one end of the connecting rod passing through the through hole is threadedly connected with a fastening nut.

[0011] Technical effects and advantages of the utility model:

[0012] 1. The utility model is provided with a driving wheel, a fixed shaft, a connecting shaft, a driving assembly, a mounting seat, a bearing, a shock absorbing assembly and other components to form a driving wheel group for a bridge crane trolley. The utility model has a compact structure, can adapt to complex construction environments and handling tasks, and improves the performance of the bridge crane trolley. The driving assembly adopts two sets of sprockets, and the transmission method is sprocket transmission. The installation height is small, which is suitable for use on equipment with limited height. It not only improves the safety performance of the crane, but also reduces the maintenance cost of the equipment.

[0013] 2. The utility model effectively prevents excessive swing of the driving wheel during operation by providing a limit sleeve, thereby improving the operating stability. An annular guide groove is provided on the outer wall of the driving wheel and is sleeved with a wear-resistant ring, thereby effectively reducing the wear of the wheel and extending its service life. A through hole is provided on the mounting plate, and a connecting rod and a fastening nut are provided to facilitate the installation and maintenance of the crane trolley.

[0014] 3. The utility model is provided with a shock-absorbing component. During the travel of the crane trolley, the shock-absorbing component can effectively reduce vibration and improve the stability of the active wheel group. When the crane trolley is impacted during travel, the shock-absorbing spring can play a shock-absorbing role, reduce the vibration amplitude, and improve the stability and service life of the wheel group. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 It is a schematic diagram of the main cross-sectional structure of the utility model.

[0017] Figure 3 for Figure 2 Schematic diagram of the enlarged structure at A in the middle.

[0018] Figure 4 It is a schematic diagram of the exploded structure of the driving component in the utility model.

[0019] Figure 5 It is a structural schematic diagram of the shock absorbing component in the utility model.

[0020] The accompanying drawings are marked as follows: 1. driving wheel; 2. mounting hole; 3. fixed shaft; 4. connecting shaft; 5. mounting seat; 6. bearing; 7. driving assembly; 701. fixing sleeve; 702. sprocket; 703. fastening screw; 704. fastening sleeve; 8. mounting plate; 9. shock absorbing assembly; 901. fixing plate; 902. connecting plate; 903. shock absorbing spring; 10. limiting sleeve; 11. annular guide groove; 12. wear-resistant ring; 13. through hole; 14. connecting rod; 15. fastening nut. DETAILED DESCRIPTION

[0021] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The active wheel group for a bridge crane trolley involved in the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0022] The utility model provides a driving wheel set for a bridge crane trolley, please refer to Figure 1-5 As shown, it includes a driving wheel 1, a mounting hole 2 is opened at the axis center of the driving wheel 1, a fixed shaft 3 is fixedly connected in the mounting hole 2, a connecting shaft 4 is fixedly connected to the left end of the fixed shaft 3, mounting seats 5 are provided at both left and right ends of the fixed shaft 3, a bearing 6 is rotatably connected inside the mounting seat 5, the bearing 6 is sleeved on the fixed shaft 3, a driving assembly 7 is fixedly connected to the left end of the connecting shaft 4, a mounting plate 8 is fixedly connected to the top of the mounting seat 5, and a shock absorbing assembly 9 is fixedly installed at the center position of the top of the mounting plate 8.

[0023] Preferably, a limiting sleeve 10 is provided between the mounting seat 5 at the left end of the fixed shaft 3 and the driving wheel 1. The limiting sleeve 10 is sleeved on the fixed shaft 3. The relative position of the mounting seat 5 and the driving wheel 1 is limited by the limiting sleeve 10, thereby avoiding the deviation of the driving wheel 1 during rotation and improving the stability of rotation.

[0024] Preferably, the driving assembly 7 includes a fixing sleeve 701, which is sleeved on the left end of the connecting shaft 4, and two groups of sprockets 702 are fixedly connected to the central axis of the fixing sleeve 701. A fastening screw 703 and a fastening sleeve 704 are arranged inside the sprocket 702, and the fastening sleeve 704 is sleeved on the fastening screw 703. The fastening screw 703 is threadedly connected to the connecting shaft 4. The motor generates power and transmits the power to the chain through a transmission device such as a reducer. The sprocket 702 is driven by the chain to rotate, and then the connecting shaft 4 and the fixed shaft 3 are driven to rotate, so that the driving wheel 1 starts to rotate under the drive of the driving assembly 7, and transmits the driving force to the crane through contact with the rail, so that it can move forward or backward. The transmission method is sprocket 702 transmission, and the installation height is small, which is suitable for use on equipment with limited height.

[0025] Preferably, an annular guide groove 11 is formed on the outer wall of the driving wheel 1, and a wear-resistant ring 12 is sleeved on the annular guide groove 11. The wear-resistant ring 12 is fixedly connected to the driving wheel 1. The wear-resistant ring 12 is fixedly connected to the driving wheel 1, which plays a good wear-resistant role and prolongs the service life of the driving wheel 1. The driving wheel group supports and transfers the weight of the crane through the contact between the driving wheel 1 and the rail. The driving wheel 1 is made of high-strength material to ensure sufficient strength and rigidity when bearing heavy objects. An annular guide groove 11 is provided on the contact surface between the driving wheel 1 and the rail, and the wear-resistant ring 12 is used to provide necessary friction, so that the wheel can roll on the rail and stably support the operation of the crane. The driving force is transmitted to the wheel group through the motor to make the wheel roll on the rail.

[0026] Preferably, the shock absorbing assembly 9 includes a fixed plate 901, a connecting plate 902 and a shock absorbing spring 903. The connecting plate 902 is arranged on the top of the fixed plate 901. The sides opposite to the connecting plate 902 are fixedly connected with shock absorbing springs 903. The shock absorbing assembly 9 can effectively reduce vibration during the driving of the crane trolley and improve the stability of the active wheel group.

[0027] Preferably, through holes 13 are provided on both the front and rear sides of the mounting plate 8, and a connecting rod 14 is provided in the through hole 13. One end of the connecting rod 14 passing through the through hole 13 is threadedly connected with a fastening nut 15. The mounting plate 8 cooperates with the fastening nut 15 through the connecting rod 14, so that the active wheel group can be stably fixed on the crane trolley, thereby improving the stability of the overall structure.

[0028] Working principle of the utility model: when the driving wheel 1 starts to rotate under the drive of the driving component 7, the motor generates power, and transmits the power to the chain through the transmission device such as the reducer, and the chain drives the sprocket 702 to rotate, and then drives the connecting shaft 4 and the fixed shaft 3 to rotate, so that the driving wheel 1 starts to rotate under the drive of the driving component 7, and transmits the driving force to the crane through the contact with the rail, so that it can move forward or backward. An annular guide groove 11 is provided on the contact surface between the driving wheel 1 and the rail. The necessary friction provided by the annular guide groove 11 and the wear-resistant ring 12 enables the wheel to roll on the rail and stably support the operation of the crane. During the driving process of the crane trolley, the shock absorbing component 9 can effectively reduce the vibration and improve the stability of the driving wheel group. When the crane trolley travels through When the driving wheel 1 starts to rotate under the drive of the driving component 7, the wheel group can roll stably on the rail and transmit the driving force to the crane to realize the forward or backward movement of the crane. The active wheel group has the characteristics of simple structure, small installation height, stable transmission, excellent shock absorption performance, etc. It is suitable for use on small cranes and other non-standard equipment. The transmission method is sprocket 702 transmission, and the installation height is small, which is suitable for use on equipment with limited height. It not only improves the safety performance of the crane, but also reduces the maintenance cost of the equipment.

[0029] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0030] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0031] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A driving wheel assembly for a bridge crane trolley, comprising a driving wheel (1), characterized in that: The center of the axis of the driving wheel (1) is provided with a mounting hole (2), a fixed shaft (3) is fixedly connected in the mounting hole (2), a connecting shaft (4) is fixedly connected to the left end of the fixed shaft (3), mounting seats (5) are provided at both left and right ends of the fixed shaft (3), a bearing (6) is rotatably connected inside the mounting seat (5), the bearing (6) is sleeved on the fixed shaft (3), a driving assembly (7) is fixedly connected to the left end of the connecting shaft (4), a mounting plate (8) is fixedly connected to the top of the mounting seat (5), and a shock absorbing assembly (9) is fixedly installed at the center position of the top of the mounting plate (8).

2. The driving wheel set for a bridge crane trolley according to claim 1, characterized in that: A limiting sleeve (10) is arranged between the mounting seat (5) at the left end of the fixed shaft (3) and the driving wheel (1), and the limiting sleeve (10) is sleeved on the fixed shaft (3).

3. The driving wheel set for a bridge crane trolley according to claim 1, characterized in that: The driving assembly (7) comprises a fixing sleeve (701), the fixing sleeve (701) being sleeved on the left end of the connecting shaft (4), two groups of sprockets (702) being fixedly connected at the central axis of the fixing sleeve (701), a fastening screw (703) and a fastening sleeve (704) being arranged inside the sprocket (702), the fastening sleeve (704) being sleeved on the fastening screw (703), and the fastening screw (703) being threadedly connected to the connecting shaft (4).

4. The driving wheel set for a bridge crane trolley according to claim 1, characterized in that: An annular guide groove (11) is provided on the outer wall of the driving wheel (1), a wear-resistant ring (12) is sleeved on the annular guide groove (11), and the wear-resistant ring (12) is fixedly connected to the driving wheel (1).

5. The driving wheel set for a bridge crane trolley according to claim 1, characterized in that: The shock absorbing assembly (9) comprises a fixing plate (901), a connecting plate (902) and a shock absorbing spring (903); the connecting plate (902) is arranged on the top of the fixing plate (901); and the shock absorbing spring (903) is fixedly connected to the side of the fixing plate (901) opposite to the connecting plate (902).

6. The driving wheel set for a bridge crane trolley according to claim 1, characterized in that: Through holes (13) are provided on both the front and rear sides of the mounting plate (8), a connecting rod (14) is provided in the through hole (13), and one end of the connecting rod (14) passing through the through hole (13) is threadedly connected to a fastening nut (15).

Images