Hydraulic driving device for chain block

Abstract

The utility model discloses a chain block hydraulic driving device, which belongs to the technical field of chain blocks and comprises a driving device shell, a chain rope is rotatably wound in the driving device shell, a plurality of buffer rods are fixedly connected to the upper end of the driving device shell, buffer plates are slidably sleeved on the buffer rods, and springs are slidably sleeved on the buffer rods. The buffer rod is arranged at the upper end of the driving device shell, the buffer rod is slidably connected with the buffer plate in a sleeving mode, and the buffer plate and the buffer rod are connected with the spring, so that buffer damping acting force is formed at the upper end of the driving device shell, the buffer damping effect on the driving device shell is achieved, and the adverse effect of vibration on the driving device shell during working is reduced; meanwhile, through grooves, oil grooves and spray holes are formed in the lower end of a shell of the driving device, so that lubricating oil can be conveniently and slowly applied to an adsorption pad, and the effects of lubricating a moving and lifting chain rope for a long time and reducing friction are conveniently achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of hand chain hoists, and more specifically to a hydraulic driving device for a hand chain hoist. Background Art

[0002] Hand chain hoist is also called fairy hoist, chain hoist, chain hoist, chain hoist, manual hoist. It is a manual lifting machinery that is easy to use and carry. It is also called "chain hoist" or "chain hoist". It is safe and reliable, easy to maintain, high mechanical efficiency, small hand chain tension, light weight and easy to carry, beautiful appearance and small size, durable. It is suitable for factories, mines, construction sites, docks, docks, warehouses, etc. for installing machines and lifting goods. Especially for open-air and powerless operations, it shows its superiority.

[0003] At present, the hydraulic drive device of the hand chain hoist will generate vibration during use. Long-term vibration will not only damage the hydraulic drive device of the hand chain hoist, but also reduce the service life of the hydraulic drive device of the hand chain hoist. The vibration will also affect the hanging stability of the hung object. At the same time, the chain rope in the hydraulic drive device of the hand chain hoist will generate friction during use, and long-term friction will easily cause damage to the chain rope. Utility Model Content

[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide a hydraulic drive device for a hand chain hoist, by arranging a buffer rod at the upper end of the drive device housing, the buffer rod is slidably sleeved on the buffer plate, and the buffer plate and the buffer rod are connected with a spring, so that a buffering and shock-absorbing force is formed on the upper end of the drive device housing, which has a buffering and shock-absorbing effect on the drive device housing, reduces the adverse effects of vibration on the drive device housing during operation, and protects the entire device and the mounted object respectively. At the same time, by arranging a through groove at the lower end of the drive device housing, an adsorption pad and a smooth layer are arranged inside the through groove, and the oil groove and the spray hole are convenient for slowly applying lubricating oil to the adsorption pad, thereby facilitating long-term lubrication of the mobile lifting chain rope to reduce friction, thereby protecting the chain rope.

[0005] To solve the above problems, the utility model adopts the following technical solutions.

[0006] A hand chain hoist hydraulic drive device comprises a drive device housing, a chain rope is rotatably wound inside the drive device housing, a plurality of buffer rods are fixedly connected to the upper end of the drive device housing, a buffer plate is slidably sleeved on the buffer rod, a spring is slidably sleeved on the buffer rod, a plurality of hanging blocks are fixedly connected to the upper end of the buffer plate, a mounting plate is fixedly connected to the upper end of the hanging block, a lower end cover is fixedly connected to the lower end cover, a through groove is provided, an adsorption pad is fixedly connected to the inside of the through groove, a smooth layer is fixedly connected to the inner side of the adsorption pad, an oil groove is provided on the lower end cover, a plurality of spray holes are provided on the lower end cover, an oiling nozzle is fixedly connected to the left side of the lower end cover, The lower end of the chain rope is fixedly connected with a connector, and a buffer rod is arranged at the upper end of the driving device housing, the buffer rod is slidably sleeved on the buffer plate, and the buffer plate and the buffer rod are connected with a spring, so that a buffering and shock-absorbing force is formed on the upper end of the driving device housing, which has a buffering and shock-absorbing effect on the driving device housing, reduces the adverse effects of vibration on the driving device housing during operation, and protects the entire device and the mounted object respectively. At the same time, a through groove is arranged at the lower end of the driving device housing, an adsorption pad and a smooth layer are arranged inside the through groove, and the oil groove and the spray hole facilitate the slow application of lubricating oil to the adsorption pad, thereby facilitating long-term lubrication of the mobile lifting chain rope to reduce friction and protect the chain rope.

[0007] Furthermore, connecting rods are fixedly connected to the front and rear sides of the driving device housing respectively, and the upper end of the spring is fixedly connected to the upper end surface of the buffer rod. Through the setting of the connecting rod, not only the firmness of the driving device housing is increased, but also a limiting effect is played on the wound chain rope.

[0008] Furthermore, the lower end of the spring is fixedly connected to the upper end surface of the buffer plate, and the mounting plate is provided with a plurality of mounting holes. Through the setting of the spring, a buffering and shock-absorbing force is formed between the buffer rod and the buffer plate, thereby playing a buffering and shock-absorbing role on the driving device housing.

[0009] Furthermore, the oil groove is connected with the inside of the spray hole, and the chain rope slides through the inside of the through groove and is connected with the inside of the spray hole through the oil groove, so that the oil in the oil groove is conveniently transported to the adsorption pad through the spray hole.

[0010] Furthermore, a hook is fixedly connected to the lower end of the connector, and an anti-drop block is rotatably connected to the hook. The anti-drop block is installed with damping properties to facilitate blocking and limiting the upper end of the hook to prevent the hung object from falling.

[0011] Compared with the prior art, the advantages of the present invention are:

[0012] (1) This solution provides a buffer rod at the upper end of the driving device housing, the buffer rod is slidably sleeved on the buffer plate, and the buffer plate and the buffer rod are connected by a spring, so that a buffering and shock-absorbing force is formed on the upper end of the driving device housing, which has a buffering and shock-absorbing effect on the driving device housing, reduces the adverse effects of vibration on the driving device housing during operation, and protects the entire device and the mounted object respectively. At the same time, a through groove is provided at the lower end of the driving device housing, an adsorption pad and a smooth layer are provided inside the through groove, and an oil groove and a spray hole facilitate the slow application of lubricating oil to the adsorption pad, thereby facilitating long-term lubrication of the mobile lifting chain rope to reduce friction and protect the chain rope.

[0013] (2) Connecting rods are fixedly connected to the front and rear sides of the driving device housing respectively, and the upper end of the spring is fixedly connected to the upper end surface of the buffer rod. The setting of the connecting rod not only increases the firmness of the driving device housing, but also plays a limiting role on the wound chain rope.

[0014] (3) The lower end of the spring is fixedly connected to the upper end surface of the buffer plate, and the mounting plate is provided with a plurality of mounting holes. Through the setting of the spring, a buffering and shock-absorbing force is formed between the buffer rod and the buffer plate, thereby playing a buffering and shock-absorbing role on the housing of the drive device.

[0015] (4) The oil groove is connected to the inside of the spray hole, and the chain rope slides through the inside of the through groove, and is connected to the inside of the spray hole through the oil groove, so that the oil inside the oil groove is conveniently transported to the adsorption pad through the spray hole.

[0016] (5) The lower end of the connector is fixedly connected with a hook, and the hook is rotatably connected with an anti-drop block. The anti-drop block is installed with damping properties to facilitate blocking and limiting the upper end of the hook to prevent the hung object from falling. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a partial cross-sectional view of the overall structure of the utility model;

[0018] Figure 2 It is an enlarged top sectional view of the lower end cover of the utility model.

[0019] Description of the numbers in the figure:

[0020] 1 driving device housing, 2 chain rope, 3 connecting rod, 4 buffer rod, 5 buffer plate, 6 spring, 7 hanging block, 8 mounting plate, 9 mounting hole, 10 lower end cover, 11 through groove, 12 adsorption pad, 13 smooth layer, 14 oil groove, 15 spray hole, 16 oil injection nozzle, 17 connector, 18 hook, 19 anti-dropping block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-2 A hand chain hoist hydraulic drive device comprises a drive device housing 1, a chain rope 2 is rotatably wound inside the drive device housing 1, a plurality of buffer rods 4 are fixedly connected to the upper end of the drive device housing 1, a buffer plate 5 is slidably sleeved on the buffer rod 4, a spring 6 is slidably sleeved on the buffer rod 4, a plurality of hanging blocks 7 are fixedly connected to the upper end of the buffer plate 5, a mounting plate 8 is fixedly connected to the upper end of the hanging block 7, a lower end cover 10 is fixedly connected to the lower end cover 10, a through groove 11 is provided in the through groove 11, an adsorption pad 12 is fixedly connected inside the through groove 11, a smooth layer 13 is fixedly connected to the inner side of the adsorption pad 12, an oil groove 14 is provided in the lower end cover 10, a plurality of spray holes 15 are provided in the lower end cover 10, an oiling nozzle 16 is fixedly connected to the left side of the lower end cover 10, and the lower end of the chain rope 2 is fixedly connected to the lower end cover 10. A connector 17 is fixedly connected, and a buffer rod 4 is arranged at the upper end of the driving device housing 1. The buffer rod 4 is slidably sleeved on the buffer plate 5, and the buffer plate 5 is connected to the buffer rod 4 by a spring 6, so that a buffering and shock-absorbing force is formed on the upper end of the driving device housing 1, which has a buffering and shock-absorbing effect on the driving device housing 1, reduces the adverse effects of vibration on the driving device housing 1 during operation, and protects the entire device and the mounted objects respectively. At the same time, a through groove 11 is arranged at the lower end of the driving device housing 1, and an adsorption pad 12 and a smooth layer 13 are arranged inside the through groove 11. The oil groove 14 and the spray hole 15 facilitate the slow application of lubricating oil to the adsorption pad 12, thereby facilitating long-term lubrication of the mobile lifting chain rope 2 to reduce friction, thereby protecting the chain rope 2.

[0023] See also Figure 1 The front and rear sides of the driving device housing 1 are respectively fixedly connected with connecting rods 3, and the upper end of the spring 6 is fixedly connected to the upper end surface of the buffer rod 4. Through the setting of the connecting rod 3, not only the firmness of the driving device housing 1 is increased, but also the winding chain rope 2 plays a limiting role. The lower end of the spring 6 is fixedly connected to the upper end surface of the buffer plate 5, and the mounting plate 8 is provided with a plurality of mounting holes 9. Through the setting of the spring 6, a buffering and shock-absorbing force is formed between the buffer rod 4 and the buffer plate 5, which plays a buffering and shock-absorbing role on the driving device housing 1.

[0024] See also Figure 1-2The oil groove 14 is connected with the inside of the spray hole 15, and the chain rope 2 slides through the inside of the through groove 11, and is connected with the inside of the spray hole 15 through the oil groove 14, so that the oil in the oil groove 14 is conveniently transported to the adsorption pad 12 through the spray hole 15. The lower end of the connector 17 is fixedly connected with a hook 18, and the hook 18 is rotatably connected with an anti-slip block 19. The anti-slip block 19 is installed with damping properties, which is convenient for blocking and limiting the upper end of the hook 18 to prevent the hung object from falling.

[0025] The object can be hung on the hook 18 by rotating the anti-slip block 19, and then the anti-slip block 19 can be reset. By arranging a buffer rod 4 at the upper end of the driving device housing 1, the buffer rod 4 is slidably sleeved on the buffer plate 5, and the buffer plate 5 and the buffer rod 4 are connected with a spring 6, so that a buffering and shock-absorbing force is formed on the upper end of the driving device housing 1, which has a buffering and shock-absorbing effect on the driving device housing 1, reduces the adverse effects of vibration on the driving device housing 1 during operation, and protects the entire device and the hung object respectively. At the same time, by arranging a through groove 11 at the lower end of the driving device housing 1, an adsorption pad 12 and a smooth layer 13 are arranged inside the through groove 11, and the oil groove 14 and the spray hole 15 are convenient for slowly applying lubricating oil to the adsorption pad 12, thereby facilitating long-term lubrication of the mobile lifting chain rope 2 to reduce friction, thereby protecting the chain rope 2.

[0026] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A hydraulic drive device for a hand chain hoist, comprising a drive device housing (1), characterized in that: A chain rope (2) is rotatably connected inside the driving device housing (1), a plurality of buffer rods (4) are fixedly connected to the upper end of the driving device housing (1), a buffer plate (5) is slidably sleeved on the buffer rod (4), a spring (6) is slidably sleeved on the buffer rod (4), a plurality of hanging blocks (7) are fixedly connected to the upper end of the buffer plate (5), a mounting plate (8) is fixedly connected to the upper end of the hanging block (7), and a lower end of the driving device housing (1) is fixedly connected to the lower end. The lower end cover (10) is provided with a through groove (11), an adsorption pad (12) is fixedly connected inside the through groove (11), a smooth layer (13) is fixedly connected inside the adsorption pad (12), an oil groove (14) is provided on the lower end cover (10), a plurality of spray holes (15) are provided on the lower end cover (10), an oiling nozzle (16) is fixedly connected on the left side of the lower end cover (10), and a connector (17) is fixedly connected to the lower end of the chain rope (2).

2. A hydraulic drive device for a hand chain hoist according to claim 1, characterized in that: Connecting rods (3) are fixedly connected to the front and rear sides of the driving device housing (1), respectively, and the upper end of the spring (6) is fixedly connected to the upper end surface of the buffer rod (4).

3. A hydraulic drive device for a hand chain hoist according to claim 1, characterized in that: The lower end of the spring (6) is fixedly connected to the upper end surface of the buffer plate (5), and the mounting plate (8) is provided with a plurality of mounting holes (9).

4. A hydraulic drive device for a hand chain hoist according to claim 1, characterized in that: The oil groove (14) is connected to the inside of the spray hole (15), and the chain rope (2) slides through the inside of the through groove (11).

5. The hydraulic drive device for a hand chain hoist according to claim 1, characterized in that: The lower end of the connector (17) is fixedly connected with a hook (18), and the hook (18) is rotatably connected with an anti-dropping block (19).

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