A heavy-load synchronous double-hook transfer mechanism

Abstract

The utility model relates to a heavy-load synchronous double-hook transfer mechanism, including a crossbeam assembly, a drive assembly, a hook assembly, a transmission assembly, and a driven assembly; the drive assembly includes a power source fixed in the middle of the crossbeam assembly, and the power source drives the transmission assembly to rotate through a sprocket drive; the two ends of the transmission assembly drive the driven chain of the driven assembly to rotate through a sprocket drive; the hook assembly has two groups and is fixedly connected to each of the driven chains. The utility model uses a motor to control the hook, so that the hooks on both sides are completely synchronized, and the control is simple. At the same time, a reducer is added to increase the torque, increase the driving force, and increase the load capacity; it ensures that there will be no offset during lifting to avoid problems caused by asynchronism on both sides, thereby improving production safety and efficiency.

Description

Technical Field

[0001] The utility model relates to a heavy-load synchronous double-hook transfer mechanism, belonging to the technical field of industrial equipment. Background Art

[0002] The lifting process in industrial equipment often uses dual motors to control the hooks on both sides for lifting, and can only barely achieve synchronization. Such a mechanism has disadvantages. When one side of the motor fails, it will cause the hoisted object to tilt and fall, which can easily damage the equipment and cause safety accidents, affecting production efficiency. Summary of the invention

[0003] The purpose of the utility model is to provide a heavy-load synchronous double-hook transfer mechanism, which is controlled by a motor to drive two hooks for synchronous lifting, and at the same time, a reducer is added to increase the torque and improve the output force, thereby increasing the load capacity of the mechanism; ensuring that no offset occurs during lifting to avoid problems caused by asynchronism between the two sides, thereby improving production safety and efficiency.

[0004] The utility model adopts the following technical solutions:

[0005] A heavy-load synchronous double-hook transfer mechanism includes a beam assembly 1, a drive assembly 2, a hook assembly 3, a transmission assembly 4, and a driven assembly 5; the drive assembly 2 is fixed to the middle of the beam assembly 1, and includes a power source, and the power source drives the transmission assembly 4 to rotate through a sprocket transmission; both ends of the transmission assembly 4 drive the driven chain 29 of the driven assembly 5 to rotate through a sprocket transmission; the hook assembly 3 has two groups and is fixedly connected to each of the driven chains 29.

[0006] Preferably, the hook assembly 3 is supported and fixed at two ends below the beam assembly 1 , and the transmission assembly 4 is assembled below the beam assembly 1 ; the driven assembly 5 is located directly below the transmission assembly 4 .

[0007] Furthermore, it also includes a chain tensioning assembly 6 which is fixed on the crossbeam assembly 1 and tensions the driven chain 29 .

[0008] Preferably, the beam assembly 1 includes a load-bearing beam 7, a bearing connecting plate 8, a top screw fixing plate 9 and a cover shell 10; the two bearing connecting plates 8 are respectively fixed at the two ends of the bottom surface of the load-bearing beam 7; the top screw fixing plate 9 is fixed to the side surface 8 of the bearing connecting plate; the cover shell 10 is fixed on the bearing connecting plate 8.

[0009] Preferably, the power source is a motor 13, and the drive assembly 2 also includes a reducer support 11, a reducer 12, a drive sprocket 14 and a drive chain 15; the reducer 12 is fixed on the reducer support 11; the motor 13 is assembled on the reducer 12; the reducer 12 is provided with a rotating key, and the drive sprocket 14 is provided with a keyway, and the keyway cooperates with the rotating key; the drive chain 15 is assembled on the drive sprocket 14; the reducer 12 serves to increase the torque, improve the output force, and thus increase the load-bearing capacity of the mechanism.

[0010] Preferably, the hook assembly 3 includes a fixed plate 16, a slide rail 17, a hook 18 and a driven chain connecting plate 19; the slide rail 17 is fixed on the fixed plate 16 in two groups; the hook 18 is fixed on the slide rail 17; a clearance hole is provided in the middle of the fixed plate 16, and the hook 18 is provided with a cantilever, and the clearance hole cooperates with the cantilever; the driven chain connecting plate 19 is fixed on the cantilever of the hook 18; the fixed plate 16 is fixed on the load-bearing beam 7.

[0011] Furthermore, the starting positions of the hooks 18 of each of the hook assemblies 3 are on the same horizontal plane.

[0012] Preferably, the transmission assembly 4 includes a transmission shaft 20, a driven sprocket 21, a first square seat bearing 22, a universal joint coupling 23, a driven shaft 24, a vertical seat bearing 25 and a transmission sprocket 26; the transmission shaft 20 is provided with a rotating key, the driven sprocket 21 and the universal joint coupling 23 are provided with a keyway, and the rotating key cooperates with the keyway; the first square seat bearing 22 is assembled with two groups at both ends of the transmission shaft 20; the driven shaft 24 is provided with a rotating key, the transmission sprocket 26 and the universal joint coupling 22 are provided with a keyway, and the rotating key cooperates with the keyway; the vertical seat bearing 25 is distributed in four groups transversely on the driven shaft 24.

[0013] Preferably, the driven assembly 5 includes a rotating shaft 27, a sprocket 28, the driven chain 29 and a disc seat bearing 30; the sprocket 28 is mounted on the rotating shaft 27; the disc seat bearings 30 are mounted on both ends of the rotating shaft 27; the driven chain 29 is mounted on the sprocket 28; two groups of the disc seat bearings 30 are respectively fixed on the bearing connecting plate 8 of the beam assembly 1 and the fixed plate 16 of the hook assembly 3; the driven chain 29 is fixed on the driven chain connecting plate 19 of the hook assembly 3, and is also mounted on the transmission sprocket 26 of the transmission assembly 4.

[0014] Preferably, the chain tensioning assembly 6 includes a tensioning sprocket 31, a tensioning shaft 32 and a second square seat bearing 33; the tensioning sprocket 31 is mounted on the tensioning shaft 32; the tensioning shaft 32 is mounted on the second square seat bearing 33; the second square seat bearing 33 of the chain tensioning assembly 6 is fixed on the bearing connecting plate 8 of the beam assembly 1; the top screw bolt is mounted on the top screw fixing plate 9, and its head is in conflict with the second square seat bearing 33 of the chain tensioning assembly 6, so as to tension the driven chain 29 to avoid problems such as jittering and tooth jumping of the driven chain 29 during operation, which may affect the transmission effect of the mechanism.

[0015] The working process of the utility model is as follows:

[0016] When the motor reducer starts to drive, the drive shaft on the transmission assembly is driven to rotate through the drive chain;

[0017] The transmission sprocket 26 on the transmission assembly 4 drives the driven chain 29 to move;

[0018] Since the driven chain 29 is fixed on the driven chain fixing plate 19 on the hook assembly 3;

[0019] The hooks on both sides can perform lifting actions driven by the chains.

[0020] The beneficial effects of the utility model are:

[0021] 1) Use one motor to control the hook, so that the hooks on both sides are completely synchronized, which is simple to control. At the same time, adding a reducer increases the torque, improves the driving force and increases the load capacity.

[0022] 2) Ensure that there is no deviation during lifting to avoid problems caused by asynchrony between the two sides, thereby improving production safety and efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of a heavy-load synchronous double-hook transfer mechanism of the utility model.

[0024] Figure 2 is a schematic diagram of the beam assembly.

[0025] Figure 3 is a schematic diagram of the drive assembly.

[0026] Figure 4 is a schematic diagram of the hook assembly.

[0027] Figure 5 is a schematic diagram of the transmission assembly.

[0028] Figure 6 is a schematic diagram of the driven component.

[0029] Figure 7 is a schematic diagram of the chain tensioning assembly. DETAILED DESCRIPTION

[0030] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0031] A heavy-load synchronous double-hook transfer mechanism includes a beam assembly 1, a drive assembly 2, a hook assembly 3, a transmission assembly 4, a driven assembly 5 and a chain tensioning assembly 6. The drive assembly 2 is fixed to the middle of the beam assembly 1; the hook assembly 3 is two groups symmetrically fixed to the two ends below the beam assembly 1; the transmission assembly 4 is assembled below the beam assembly 1; the driven assembly 5 is located directly below the transmission assembly 4; and the chain tensioning assembly 6 is fixed to the beam assembly 1.

[0032] Furthermore, the beam assembly includes a load-bearing beam 7, a bearing connecting plate 8, a top screw fixing plate 9 and a cover shell 10; the bearing connecting plate 8 consists of two pieces, which are respectively fixed at the two ends of the bottom surface of the load-bearing beam 7; the top screw fixing plate 9 is fixed on the side surface 8 of the bearing connecting plate; and the cover shell 10 is fixed on the bearing connecting plate 8.

[0033] Furthermore, the driving assembly 2 includes a reducer support 11, a reducer 12, a motor 13, a driving sprocket 14 and a driving chain 15; the reducer 12 is fixed on the reducer support 11; the motor 13 is assembled on the reducer 12; the reducer 12 is provided with a rotating key, the driving sprocket 14 is provided with a keyway, and the keyway matches the rotating key; the driving chain 15 is assembled on the driving sprocket 14. The reducer 12 plays a role in increasing the torque and improving the output force, thereby increasing the load-bearing capacity of the mechanism.

[0034] Furthermore, the hook assembly 3 includes a fixed plate 16, a slide rail 17, a hook 18 and a driven chain connecting plate 19. The slide rail 17 is fixed on the fixed plate 16 in two groups; the hook 18 is fixed on the slide rail 17; a clearance hole is provided in the middle of the fixed plate 16, and the hook 18 is provided with a cantilever, and the clearance hole cooperates with the cantilever; the driven chain connecting plate 19 is fixed on the cantilever of the hook 18.

[0035] Furthermore, the fixing plate 16 is fixed on the load-bearing beam 7 .

[0036] Furthermore, the transmission assembly 4 includes a transmission shaft 20, a driven sprocket 21, a first square seat bearing 22, a universal joint coupling 23, a driven shaft 24, a vertical seat bearing 25 and a transmission sprocket 26; the transmission shaft 20 is provided with a rotating key, the driven sprocket 21 and the universal joint coupling 23 are provided with a keyway, and the rotating key cooperates with the keyway; the first square seat bearing 22 is assembled with two groups at both ends of the transmission shaft 20; the driven shaft 24 is provided with a rotating key, the transmission sprocket 26 and the universal joint coupling 22 are provided with a keyway, and the rotating key cooperates with the keyway; the vertical seat bearing 25 is distributed in four groups laterally on the driven shaft 24; the universal joint coupling 23 has the advantages of large transmission inclination angle, high efficiency, smooth transmission, low noise, small gap impact, and large transmission torque.

[0037] Furthermore, the driven component 5 includes a rotating shaft 27, a sprocket 28, a driven chain 29 and a disc seat bearing 30; the sprocket 28 is assembled on the rotating shaft 27; the disc seat bearing 30 is assembled at both ends of the rotating shaft 27; the driven chain 29 is assembled on the sprocket 28.

[0038] Furthermore, the two groups of disc seat bearings 30 are respectively fixed on the bearing connecting plate 8 of the beam assembly 1 and the fixing plate 16 of the hook assembly 3; the driven chain 29 is fixed on the driven chain connecting plate 19 of the hook assembly 3, and is assembled on the transmission sprocket 26 of the transmission assembly 4.

[0039] Furthermore, the chain tensioning assembly 6 includes a tensioning sprocket 31 , a tensioning shaft 32 and a second square belt-seat bearing 33 ; the tensioning sprocket 31 is assembled on the tensioning shaft 32 ; and the tensioning shaft 32 is assembled on the second square belt-seat bearing 33 .

[0040] Furthermore, the second square seat bearing 33 of the chain tensioning assembly 6 is fixed on the bearing connecting plate 8 of the beam assembly 1. The top screw bolt is assembled on the top screw fixing plate 9, and the head thereof contacts the second square seat bearing 33 of the chain tensioning assembly 6, thereby tensioning the driven chain 29, and preventing the driven chain 29 from shaking and jumping teeth when running, which may affect the transmission effect of the mechanism.

[0041] Furthermore, the starting positions of the hooks 18 of each of the hook assemblies 3 are on the same horizontal plane.

[0042] The working process of the utility model is as follows:

[0043] When the motor reducer starts to drive, the drive shaft on the transmission assembly is driven to rotate through the drive chain;

[0044] Further, the transmission sprocket 26 on the transmission assembly 4 drives the driven chain 29 to move;

[0045] Furthermore, since the driven chain 29 is fixed to the driven chain fixing plate 19 on the hook assembly 3;

[0046] Furthermore, the hooks on both sides can perform lifting actions driven by the chains.

[0047] Finally, it should be noted that the above are preferred embodiments of the present invention, and ordinary technicians in this field can also make their own changes or improvements on this basis. Without departing from the overall concept of the present invention, these changes or improvements should fall within the scope of protection required by the present invention.

Claims

1. A heavy-load synchronous double-hook transfer mechanism, characterized in that: It comprises a crossbeam assembly (1), a driving assembly (2), a hook assembly (3), a transmission assembly (4), and a driven assembly (5); The driving assembly (2) is fixed to the middle of the crossbeam assembly (1) and includes a power source, and the power source drives the transmission assembly (4) to rotate through a sprocket drive; The two ends of the transmission assembly (4) drive the driven chain (29) of the driven assembly (5) to rotate through sprocket transmission; The hook assembly (3) has two groups and is respectively fixedly connected to the driven chain (29).

2. The heavy-load synchronous double-hook transfer mechanism according to claim 1, characterized in that: The hook assembly (3) is braced and fixed at the two ends below the crossbeam assembly (1); the transmission assembly (4) is assembled below the crossbeam assembly (1); and the driven assembly (5) is located directly below the transmission assembly (4).

3. The heavy-load synchronous double-hook transfer mechanism according to claim 2, characterized in that: It also includes a chain tensioning assembly (6) which is fixed on the crossbeam assembly (1) and tensions the driven chain (29).

4. The heavy-load synchronous double-hook transfer mechanism according to claim 3, characterized in that: The crossbeam assembly (1) comprises a load-bearing crossbeam (7), a bearing connecting plate (8), a top screw fixing plate (9) and a cover shell (10); The two bearing connection plates (8) are respectively fixed to the two ends of the bottom surface of the load-bearing crossbeam (7); the top screw fixing plate (9) is fixed to the side of the bearing connection plate (8); and the cover shell (10) is fixed on the bearing connection plate (8).

5. The heavy-load synchronous double-hook transfer mechanism according to claim 1, characterized in that: The power source is a motor (13), and the driving assembly (2) further comprises a reducer support (11), a reducer (12), a driving sprocket (14) and a driving chain (15); The reducer (12) is fixed on the reducer support (11); the motor (13) is mounted on the reducer (12); a rotating key is provided on the reducer (12), and a keyway is provided on the driving sprocket (14), wherein the keyway matches the rotating key; the driving chain (15) is mounted on the driving sprocket (14); the reducer (12) increases the torque and improves the output force, thereby increasing the load-bearing capacity of the mechanism.

6. The heavy-load synchronous double-hook transfer mechanism according to claim 4, characterized in that: The hook assembly (3) comprises a fixed plate (16), a slide rail (17), a hook (18) and a driven chain connecting plate (19); the slide rail (17) is fixed on the fixed plate (16) in two groups; the hook (18) is fixed on the slide rail (17); a clearance hole is provided in the middle of the fixed plate (16), and the hook (18) is provided with a cantilever, and the clearance hole cooperates with the cantilever; the driven chain connecting plate (19) is fixed on the cantilever of the hook (18); the fixed plate (16) is fixed on the load-bearing beam (7).

7. The heavy-load synchronous double-hook transfer mechanism according to claim 6, characterized in that: The starting positions of the hooks (18) of each of the hook assemblies (3) are on the same horizontal plane.

8. The heavy-load synchronous double-hook transfer mechanism according to claim 1, characterized in that: The transmission assembly (4) comprises a transmission shaft (20), a driven sprocket (21), a first square seat bearing (22), a universal joint coupling (23), a driven shaft (24), a vertical seat bearing (25) and a transmission sprocket (26); the transmission shaft (20) is provided with a rotating key, the driven sprocket (21) and the universal joint coupling (23) are provided with a keyway, and the rotating key matches the keyway; the first square seat bearing (22) is assembled at both ends of the transmission shaft (20) in two groups; the driven shaft (24) is provided with a rotating key, the transmission sprocket (26) and the universal joint coupling (23) are provided with a keyway, and the rotating key matches the keyway; the vertical seat bearing (25) is distributed in four groups transversely on the driven shaft (24).

9. The heavy-load synchronous double-hook transfer mechanism according to claim 1, characterized in that: The driven assembly (5) comprises a rotating shaft (27), a sprocket (28), the driven chain (29) and a disk seat bearing (30); the sprocket (28) is mounted on the rotating shaft (27); the disk seat bearing (30) is mounted on both ends of the rotating shaft (27); The driven chain (29) is assembled on the sprocket (28); The two groups of disk seat bearings (30) are respectively fixed on the bearing connecting plate (8) of the beam assembly (1) and the fixing plate (16) of the hook assembly (3); the driven chain (29) is fixed on the driven chain connecting plate (19) of the hook assembly (3) and is assembled on the driving sprocket (26) of the transmission assembly (4).

10. The heavy-load synchronous double-hook transfer mechanism according to claim 4, characterized in that: The chain tensioning assembly (6) comprises a tensioning sprocket (31), a tensioning shaft (32) and a second square belt-seat bearing (33); the tensioning sprocket (31) is mounted on the tensioning shaft (32); the tensioning shaft (32) is mounted on the second square belt-seat bearing (33); The second square seat bearing (33) of the chain tensioning assembly (6) is fixed on the bearing connecting plate (8) of the beam assembly (1); the top screw bolt is assembled on the top screw fixing plate (9), and the head thereof contacts the second square seat bearing (33) of the chain tensioning assembly (6), thereby tensioning the driven chain (29) and preventing the driven chain (29) from shaking and jumping teeth during operation, thereby affecting the transmission effect of the mechanism.

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