Crown block synchronous moving mechanism

Abstract

The utility model provides a crown block synchronous moving mechanism which is arranged on a crown block and drives the crown block to move on a portal frame, a guide rail is arranged on the portal frame, the crown block is arranged on the guide rail in a sliding mode, and the synchronous moving mechanism comprises a driving part, a driving rod and a guide assembly. A driving rod is arranged on a driving shaft of the driving part, the driving rod is connected with a guide assembly located on the portal frame, the driving part drives the driving rod to move on the guide assembly, the driving part is arranged on the crown block, and the driving rod comprises a first driving rod body and a second driving rod body; the driving component is arranged on the crown block and drives the first driving rod and the second driving rod to rotate synchronously, so that the two sides of the crown block can move synchronously, and inaccurate moving positions of the two sides of the crown block are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a crown block mobile device technical field, concretely relates to a crown block synchronous moving mechanism. BACKGROUND

[0002] The bridge crane is the horizontal frame in workshop warehouse and material yard etc. above carries out material hoisting's hoisting equipment, this hoisting machine two ends cross on cement column or metal support, resemble bridge, therefore call it bridge crane, also called crown block. The bridge crane bridge runs along the longitudinal moving track laid on the high level on both sides, the hoist car runs along the transverse moving track laid on the bridge, the hoist car below sets up the lifting hook, the bridge crane constitutes a rectangular work scope, can make full use of the space under the bridge hoisting material, is not obstructed by ground equipment, thus is widely used in indoor and outdoor warehouse, factory building, wharf and open-air material yard etc.

[0003] Such as Chinese patent application No. 202220422745.7, the publication date is 2022.09.02 patent literature discloses a kind of dustproof crown block bridge travel information acquisition device, the document discloses a kind of crown block, and the longitudinal moving driven wheel and longitudinal moving driving wheel are arranged on high level, and longitudinal moving motor is arranged on longitudinal moving driving wheel one end, and the crown block is driven to move.

[0004] As the prior art of the document, it is all set motor drive on one side of crown block, but, if the crown block is set in the processing workshop of large-scale equipment, the tonnage of its crown block needs to be larger to stably carry out the hoisting of equipment, and thus, since the tonnage of crown block is larger, the occupied space is also larger, so the distance of high level on both sides of crown block needs to be far apart to achieve the placement of crown block, if only motor drive is set on one side of crown block, since the distance of both sides of crown block is far apart, the driving of motor is difficult to quickly transmit to the other side of crown block, so it is easy to lead to the both sides of crown block cannot be moved synchronously, thereby leading to the inaccuracy of crown block displacement. SUMMARY

[0005] The utility model provides a kind of crown block synchronous moving mechanism, by being set on crown block driving component, by driving component drives first driving rod and second driving rod synchronous rotation, to make the both sides of crown block can realize synchronous movement, to avoid the inaccuracy of the position of both sides of crown block movement.

[0006] In order to achieve the above object, the technical scheme of the utility model is: a synchronous moving mechanism of a crown block, the synchronous moving mechanism is arranged on the crown block, and the crown block is arranged to move on a portal frame, the portal frame is provided with a guide rail, the crown block is arranged to slide on the guide rail, the synchronous moving mechanism comprises a driving component, a driving rod and a guide assembly, the driving rod is arranged on the driving shaft of the driving component, the driving rod is connected with the guide assembly arranged on the portal frame and is arranged to move on the guide assembly by the driving component, the driving component is arranged on the crown block, the driving rod comprises a first driving rod and a second driving rod, one end of the first driving rod is arranged on the driving shaft on one side of the driving component, the other end of the first driving rod is connected with the guide assembly arranged on one side of the portal frame, one end of the second driving rod is arranged on the driving shaft on the other side of the driving component, the other end of the second driving rod is connected with the guide assembly arranged on the other side of the portal frame, and the driving component drives the first driving rod and the second driving rod to rotate synchronously.

[0007] The above structure is characterized in that the guide assembly is arranged on the portal frame, the crown block is corresponded with the guide rail, the driving component is arranged on the crown block, the first driving rod and the second driving rod are driven to rotate synchronously by the driving component, the first driving rod and the second driving rod can move on the guide assembly, the crown block is driven to slide on the guide rail, the driving component is arranged between the first driving rod and the second driving rod, the driving energy transmitted by the driving component can be transmitted to the other ends of the first driving rod and the second driving rod at the same time, the actions of the first driving rod and the second driving rod can be synchronized, the two sides of the crown block can realize synchronous movement, and the positions of the two sides of the crown block during movement can be accurate.

[0008] Further, the utility model further comprises an extension rod, the extension rod comprises a first extension rod and a second extension rod, the other end of the first driving rod is connected with one end of the first extension rod through a universal joint, the other end of the first extension rod is connected with the guide assembly, the other end of the second driving rod is connected with one end of the second extension rod through a universal joint, and the other end of the second extension rod is connected with the guide assembly.

[0009] Further, the extension rod can adapt to different crown blocks, so that the crown block is convenient to move

[0010] Further, the guide assembly comprises a guide gear, a guide rack and a guide slide plate, the guide gear is arranged at the other end of the extension rod, the guide rack corresponding to the guide gear is arranged on the portal frame, the guide gear is engaged with the guide rack, the guide slide plate is further arranged on one side of the portal frame, and the other end of the extension rod is arranged on the guide slide plate and slides on the guide slide plate.

[0011] The above arrangement is characterized in that the guide gear is driven to roll on the guide rack by the extension rod, the crown block is driven to move by the meshing effect of the gear and the rack, the structure is simple and reliable.

[0012] Further, the extension rod is provided with a connecting assembly, the connecting assembly comprises a bearing and a connecting plate, an inner ring of the bearing is connected to the extension rod, and an outer ring of the bearing is provided with the connecting plate, and the connecting plate is connected to the headstock.

[0013] The above arrangement enables the extension rod to be mounted on the headstock through the connecting plate, and the bearing does not hinder the rotation of the extension rod.

[0014] Further, the driving component comprises a driving motor and a driving speed reducer, the driving motor is arranged on the driving speed reducer, and the driving motor drives the driving shaft of the driving speed reducer to rotate.

[0015] The above arrangement enables the headstock to move through the rotation of the driving motor, the driving speed reducer and the driving rod. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is an explosion schematic view of the utility model.

[0017] Figure 2 It is an explosion schematic view of the utility model. Figure 1 It is an enlarged view of A in the middle. DETAILED DESCRIPTION

[0018] The utility model will be explained in further detail in combination with the drawings and specific embodiments.

[0019] For example, Figures 1-2As shown, a crane synchronous movement mechanism is provided. The synchronous movement mechanism is mounted on a crane (not shown in the figure) and drives the crane to move on a gantry (not shown in the figure). A guide rail (not shown in the figure) is provided on the gantry, and the crane is slidably mounted on the guide rail. The synchronous movement mechanism includes a driving component 1, a driving rod 2, an extension rod 3, and a guide assembly 4. The driving component 1 has a driving rod 2 mounted on its driving shaft. The driving rod 2 is connected to the guide assembly 4 located on the gantry, and the driving component 1 drives the driving rod 2 to move on the guide assembly 4. The driving component 1 is mounted on the crane. The driving rod 2 includes a first driving rod 21 and a second driving rod 22. One end of the first driving rod 21 is mounted on the driving shaft on one side of the driving component 1, and the other end of the first driving rod 21 is connected to the guide assembly 4 located on one side of the gantry. One end of the second driving rod 22 is mounted on the driving shaft on the other side of the driving component 1, and the other end of the second driving rod 22 is connected to the guide assembly 4 located on the other side of the gantry. The driving component 1 drives the first driving rod 21 and the second driving rod 22 to rotate synchronously. The extension rod 3 includes a first extension rod 31 and a second extension rod 32. The other end of the first drive rod 21 is connected to one end of the first extension rod 31 via a universal coupling 5. The other end of the first extension rod 31 is connected to the guide assembly 4. The other end of the second drive rod 32 is connected to one end of the second extension rod 32 via a universal coupling 5. The other end of the second extension rod 32 is connected to the guide assembly 4. The extension rod 3 allows for adaptation to different overhead cranes, thus facilitating the movement of the overhead crane.

[0020] like Figure 2 As shown, the guide assembly 4 includes a guide gear 41, a guide rack 42, and a guide slide plate 43. A guide gear 41 is provided at the other end of the extension rod 3, and a guide rack 42 corresponding to the guide gear 41 is provided on the gantry. The guide gear 41 meshes with the guide rack 42. In this embodiment, a simplified schematic diagram of the gantry is shown on one side of the guide rack 41. Figure 2 As shown in reference numeral 001, a guide slide plate 43 is also provided. The other end of the extension rod 3 rests on the guide slide plate 43 and slides on it. In this embodiment, the guide slide plate supports the extension rod while the guide gear drives the extension rod to slide on the guide slide plate. The extension rod 3 drives the guide gear 41 to roll on the guide rack 42, thereby driving the crane to move through the meshing of the gear and rack. The structure is simple and reliable.

[0021] like Figure 1 and Figure 2As shown in the extension rod 3 is provided with a connecting assembly 6, the connecting assembly 6 includes bearing 61 and connecting plate 62, the inner ring of bearing 61 is connected on the extension rod 3, the outer ring of bearing 61 is provided with connecting plate 62, the connecting plate 62 is connected with the crown block. Through the setting of connecting plate 62 makes the extension rod 3 can be installed on the crown block, and through the setting of bearing 61 will not hinder the extension rod 3 rotates.

[0022] As Figure 1 As shown, the driving part 1 includes driving motor 11 and driving reducer 12, the driving motor 11 is arranged on the driving reducer 12, driving motor 11 drives the driving shaft of driving reducer 12 to rotate. Through driving motor 11 drives driving reducer 12 to rotate, and then drives the driving rod 2 to rotate, thereby making the crown block can move.

[0023] The working principle of the utility model: through setting the guide assembly on the portal, and the crown block corresponds with the guide rail, setting driving part 1 on the crown block, driving part 1 drives first driving rod 21 and second driving rod 22 to rotate synchronously, and then makes first driving rod 21 and second driving rod 22 can move on guide assembly 4, thereby drives the crown block to slide on the guide rail, since driving part 1 is located between first driving rod 21 and second driving rod 22, therefore the driving energy of driving part 1 can drive the other end of first driving rod 21 and second driving rod 22 simultaneously, thereby making the action of first driving rod 21 and second driving rod 22 can be synchronized, so that the both sides of the crown block can realize synchronous movement, thereby avoiding the position of the both sides of the crown block to move inaccurately.

Claims

1. A synchronous moving mechanism of a crown block, the synchronous moving mechanism is arranged on the crown block, and drives the crown block to move on a portal, a guide rail is arranged on the portal, and the crown block is arranged to slide on the guide rail, characterized in that: The synchronous moving mechanism comprises a driving component, a driving rod and a guide assembly, a driving rod is arranged on a driving shaft of the driving component, the driving rod is connected with the guide assembly arranged on the portal, and the driving component drives the driving rod to move on the guide assembly, the driving component is arranged on the crown block, the driving rod comprises a first driving rod and a second driving rod, one end of the first driving rod is arranged on the driving shaft on one side of the driving component, the other end of the first driving rod is connected with the guide assembly arranged on one side of the portal, one end of the second driving rod is arranged on the driving shaft on the other side of the driving component, and the other end of the second driving rod is connected with the guide assembly arranged on the other side of the portal, and the driving component drives the first driving rod and the second driving rod to synchronously rotate.

2. The synchronous moving mechanism of the crown block according to claim 1, characterized in that: Further comprising an extension rod, the extension rod comprises a first extension rod and a second extension rod, the other end of the first driving rod is connected with one end of the first extension rod through a universal joint, the other end of the first extension rod is connected with the guide assembly, the other end of the second driving rod is connected with one end of the second extension rod through a universal joint, and the other end of the second extension rod is connected with the guide assembly.

3. The synchronous moving mechanism of the crown block according to claim 2, characterized in that: The guide assembly comprises a guide gear, a guide rack and a guide slide plate, the guide gear is arranged at the other end of the extension rod, the guide rack corresponding to the guide gear is arranged on the portal, the guide gear is engaged with the guide rack, and the guide slide plate is further arranged on the portal on one side of the guide rack, the other end of the extension rod is arranged on the guide slide plate and slides on the guide slide plate.

4. The synchronous moving mechanism of the crown block according to claim 2, characterized in that: A connecting assembly is arranged on the extension rod, the connecting assembly comprises a bearing and a connecting plate, an inner ring of the bearing is connected with the extension rod, and an outer ring of the bearing is provided with the connecting plate, and the connecting plate is connected with the crown block.

5. The synchronous moving mechanism of the crown block according to claim 1, characterized in that: The driving component comprises a driving motor and a driving reducer, the driving motor is arranged on the driving reducer, and the driving motor drives the driving shaft of the driving reducer to rotate.

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