Pressure-resistant lifting device
By introducing guide rods and blocks into the hydraulic cylinder lifting device, the problem of equipment or heavy objects falling due to hydraulic cylinder failure is solved, and good pressure resistance and fall resistance and safety guarantee are achieved.
Patent Information
- Application Number
- CN202420721043.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-09
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-04-09
AI Technical Summary
When the equipment or heavy objects are heavy, traditional hydraulic cylinder lifting devices are prone to falling off due to failure or damage, causing damage and safety accidents, and lack effective compression protection.
A pressure-resistant lifting device is designed, including lifting hydraulic cylinder, guide rod, barrier block and reinforcement strut. Through the cooperation of guide rod and barrier block, anti-fall protection after hydraulic cylinder failure is achieved, and the platform's bearing capacity is enhanced. and security.
It effectively prevents the equipment or heavy objects from falling when the hydraulic cylinder fails, ensures the safety of staff, and improves the pressure resistance of the device.
Smart Images
Figure CN222138583U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lifting, in particular to a pressure-resistant lifting device. Background Art
[0002] Lifting is generally used on heavier objects. For example, when equipment needs to be installed in a factory, lifting can be done by using a crane to lift the equipment. Lifting is also called lifting when a jack is used. When lifting equipment or heavy objects, the traditional lifting method uses a single hydraulic cylinder for lifting and lowering, thereby lifting the equipment or heavy objects. However, since the equipment or heavy objects are heavy and have a certain downward pressure, when the hydraulic cylinder fails or is damaged, the equipment or heavy objects fall directly, thereby causing damage to the equipment or heavy objects. Once there are workers working below, it will also cause safety accidents. It does not have a good pressure protection effect. For this reason, a pressure-resistant lifting device is proposed. Utility Model Content
[0003] In view of the deficiencies in the prior art, the utility model provides a pressure-resistant lifting device for solving the above-mentioned problems.
[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0005] A pressure-resistant lifting device comprises a lifting bottom seat, a lifting hydraulic cylinder is installed on the lifting bottom seat, the top of the lifting hydraulic cylinder is connected to the bottom plate, a lifting platform is fixedly installed on the top side of the bottom plate, two fixing columns are fixedly installed on the top side of the lifting bottom seat, a guide hole is opened on the top side of the fixing column, a guide rod is opened on the bottom side of the lifting platform, the guide rod extends into the guide hole, an adjustment groove is opened on the inner wall of one side of the guide hole, a blocking block is installed in the adjusting groove through a rotating component, a plurality of anti-fall blocking grooves are opened on one side of the guide rod, the blocking block is blocked in one anti-fall blocking groove, an adjustment component is provided on the fixed column, and the adjustment component is connected to the rotating component.
[0006] Preferably, the rotating assembly comprises a rotating shaft rotatably mounted on the inner wall of the adjusting groove, a rotating disk is fixedly sleeved on the rotating shaft, and a blocking block is fixedly mounted on one side of the rotating disk.
[0007] Preferably, the adjustment component includes a movable hole opened on one side of the fixed column, the movable hole is connected to the adjustment groove, a movable block is movably installed in the movable hole, a tooth groove is provided on one side of the movable block, and a driving tooth is provided on the outer side of the rotating disk, and the driving tooth is meshed with the tooth groove.
[0008] Preferably, a connecting plate is fixedly installed on the bottom side of the moving block, one end of a compression spring is fixedly installed on the bottom side of the connecting plate, the other end of the compression spring is fixedly installed on the bottom inner wall of the moving hole, and the same connecting pressure rod is fixedly installed between the two connecting plates.
[0009] Preferably, limit blocks are fixedly installed on both sides of the moving block, and limit slots are provided on both sides of the moving hole, and the two limit blocks are slidably installed in the two limit slots respectively.
[0010] Preferably, the blocking block is provided with a horizontal blocking surface and an arc-shaped extrusion surface, the horizontal blocking surface is adapted to the top inner wall of the anti-fall blocking groove, the arc-shaped extrusion surface is adapted to the guide rod, and a horizontal pad is fixedly installed on the bottom inner wall of the adjustment groove, and the blocking block is located on the horizontal pad.
[0011] Preferably, a reinforcing support rod is fixedly mounted on one side of the guide rod, one end of the reinforcing support rod is fixedly mounted on one side of the lifting platform, and the top end of the reinforcing support rod is located on one side of the bottom plate.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the pressure-resistant lifting device places the equipment or object to be lifted on the lifting platform, starts the lifting hydraulic cylinder to drive the lifting platform to move up, thereby realizing the lifting operation, two guide rods are provided on the bottom side of the lifting platform, which can limit the vertical position of the lifting movement of the lifting platform, and the reinforcement struts are provided, which can play a supporting and reinforcing role, enhance the bearing capacity of the lifting platform, and thus play a good pressure-resistant effect;
[0013] When the equipment or object is heavy and the downward pressure is strong, the lifting hydraulic cylinder will fail and the lifting platform will drop. At this time, the horizontal blocking surface on the blocking block will be blocked in the anti-fall blocking groove to prevent it from falling. The set horizontal pad can keep the blocking block in a horizontal blocking position, achieving good pressure resistance and anti-falling effect, and ensuring safety during the work process. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a left-side perspective structural diagram of the utility model;
[0015] Figure 2 It is a schematic diagram of the structure of the utility model from the right side;
[0016] Figure 3 It is a schematic diagram of the structure of the utility model in cross section;
[0017] Figure 4 For this utility model Figure 3 Schematic diagram of the structure of part A.
[0018] In the figure: 1. lifting base; 2. lifting platform; 3. lifting hydraulic cylinder; 4. fixing column; 5. guide rod; 6. bottom plate; 7. reinforcing support rod; 8. guide hole; 9. adjusting slot; 10. moving hole; 11. rotating shaft; 12. rotating disk; 13. blocking block; 14. horizontal blocking surface; 15. arc-shaped extrusion surface; 16. anti-fall blocking groove; 17. horizontal pad; 18. moving block; 19. tooth groove; 20. driving tooth; 21. connecting plate; 22. extrusion spring; 23. limit slot; 24. limit block; 25. connecting pressure rod. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0020] Example: Refer to Figure 1-4 A pressure-resistant lifting device includes a lifting base 1, a lifting hydraulic cylinder 3 is installed on the lifting base 1, a bottom plate 6 is connected to the top of the lifting hydraulic cylinder 3, a lifting platform 2 is fixedly installed on the top side of the bottom plate 6, two fixing columns 4 are fixedly installed on the top side of the lifting base 1, a guide hole 8 is opened on the top side of the fixing column 4, a guide rod 5 is opened on the bottom side of the lifting platform 2, the guide rod 5 extends into the guide hole 8, a reinforcing support rod 7 is fixedly installed on one side of the guide rod 5, one end of the reinforcing support rod 7 is fixedly installed on one side of the lifting platform 2, and the top of the reinforcing support rod 7 is located on one side of the bottom plate 6. The equipment or object to be lifted is placed on the lifting platform 2, and then Starting the lifting hydraulic cylinder 3 will drive the lifting platform 2 to move upward, thereby realizing the lifting operation. Two guide rods 5 are provided on the bottom side of the lifting platform 2, which can limit the vertical position of the lifting movement of the lifting platform 2. The reinforcing struts 7 are provided, and the reinforcing struts 7 can play a supporting and reinforcing role, enhance the bearing capacity of the lifting platform 2, thereby achieving a good pressure resistance effect. An adjusting groove 9 is provided on the inner wall of one side of the guide hole 8, and a blocking block 13 is installed in the adjusting groove 9 through a rotating component. A plurality of anti-fall blocking grooves 16 are provided on one side of the guide rod 5, and the blocking block 13 is blocked in an anti-fall blocking groove 16. An adjusting component is provided on the fixed column 4, and the adjusting component is connected to the rotating component.
[0021] Specifically, the rotating assembly includes a rotating shaft 11 rotatably mounted on the inner wall of the adjusting groove 9, a rotating disk 12 is fixedly sleeved on the rotating shaft 11, a blocking block 13 is fixedly mounted on one side of the rotating disk 12, a horizontal blocking surface 14 and an arc-shaped extrusion surface 15 are provided on the blocking block 13, the horizontal blocking surface 14 is adapted to the top inner wall of the anti-fall blocking groove 16, the arc-shaped extrusion surface 15 is adapted to the guide rod 5, a horizontal pad 17 is fixedly mounted on the bottom inner wall of the adjusting groove 9, the blocking block 13 is located on the horizontal pad 17, and during the lifting process, the guide rod 5 moves up in the guide hole 8, at this time the guide The rod 5 will contact one side of the arc-shaped extrusion surface 15 on the blocking block 13. Under the action of the arc-shaped surface, the blocking block 13 will be driven to rotate, and will not block the upward movement of the guide rod 5. However, when the equipment or object is heavy and the downward pressure is strong, the lifting hydraulic cylinder 3 will fail and the lifting platform 2 will drop. At this time, the horizontal blocking surface 14 on the blocking block 13 will be blocked in the anti-fall blocking groove 16 to perform the function of blocking and preventing falling. The horizontal pad 17 can keep the blocking block 13 in a horizontal blocking position, thereby achieving a good pressure-resistant and anti-falling effect and ensuring safety during the working process.
[0022] Specifically, the adjustment component includes a moving hole 10 opened on one side of the fixed column 4, the moving hole 10 is connected to the adjustment slot 9, a moving block 18 is movably installed in the moving hole 10, a tooth groove 19 is provided on one side of the moving block 18, a driving tooth 20 is provided on the outer side of the rotating disk 12, and the driving tooth 20 is meshed with the tooth groove 19, a connecting plate 21 is fixedly installed on the bottom side of the moving block 18, one end of the extrusion spring 22 is fixedly installed on the bottom side of the connecting plate 21, and the other end of the extrusion spring 22 is fixedly installed on the inner wall of the bottom side of the moving hole 10, and the same connecting pressure rod 25 is fixedly installed between the two connecting plates 21. When it is necessary to lift When the lifting platform 2 falls, the lifting platform 2 is first moved up to a certain height, and then the connecting pressure rod 25 is pressed to drive the moving block 18 to move down. At this time, under the action of the tooth groove 19 and the driving tooth 20, the blocking block 13 will be driven to rotate and rotate into the adjustment groove 9, and will not block the guide rod 5, thereby realizing the falling of the lifting platform 2. Limit blocks 24 are fixedly installed on both sides of the moving block 18, and limit grooves 23 are provided on both sides of the moving hole 10. The two limit blocks 24 are respectively slidably installed in the two limit grooves 23. The limit blocks 24 and limit grooves 23 are set to facilitate the vertical position limitation of the movement of the moving block 18.
[0023] When in use: when lifting equipment or objects, the equipment or objects to be lifted are placed on the lifting platform 2, and then the lifting hydraulic cylinder 3 is started to operate, which will drive the lifting platform 2 to move up, thereby realizing the lifting operation. Two guide rods 5 are provided on the bottom side of the lifting platform 2, which can limit the vertical position of the lifting movement of the lifting platform 2. The reinforcing struts 7 are provided, and the reinforcing struts 7 can play a supporting and reinforcing role, enhance the bearing capacity of the lifting platform 2, and thus have a good pressure resistance effect. During the lifting process, the guide rod 5 moves upward in the guide hole 8. At this time, the guide rod 5 will contact one side of the arc-shaped extrusion surface 15 on the blocking block 13. Under the action of the arc-shaped surface, the blocking block 13 will be driven to rotate, which will not block the upward movement of the guide rod 5, but When the equipment or object is heavy and the downward pressure is strong, the lifting hydraulic cylinder 3 fails and the lifting platform 2 will drop. At this time, the horizontal blocking surface 14 on the blocking block 13 will be blocked in the anti-fall blocking groove 16 to perform the blocking and anti-falling function. The set horizontal pad 17 can keep the blocking block 13 in a horizontal blocking position, achieving a good pressure-resistant and anti-falling effect and ensuring the safety during the work process. When the lifting platform 2 needs to fall, first move the lifting platform 2 up to a certain height, and then press the connecting pressure rod 25 to drive the moving block 18 to move down. At this time, under the action of the tooth groove 19 and the driving tooth 20, the blocking block 13 will be driven to rotate and rotate into the adjusting groove 9, which will not block the guide rod 5, thereby realizing the fall of the lifting platform 2, which is easy to use.
[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A pressure-resistant lifting device, comprising a lifting base (1), characterized in that: A lifting hydraulic cylinder (3) is installed on the lifting bottom seat (1), the top end of the lifting hydraulic cylinder (3) is connected to a bottom plate (6), a lifting platform (2) is fixedly installed on the top side of the bottom plate (6), two fixing columns (4) are fixedly installed on the top side of the lifting bottom seat (1), a guide hole (8) is opened on the top side of the fixing column (4), a guide rod (5) is opened on the bottom side of the lifting platform (2), the guide rod (5) extends into the guide hole (8), an adjustment groove (9) is opened on the inner wall of one side of the guide hole (8), a blocking block (13) is installed in the adjustment groove (9) through a rotating component, a plurality of anti-fall blocking grooves (16) are opened on one side of the guide rod (5), and the blocking block (13) is blocked in one anti-fall blocking groove (16), an adjustment component is provided on the fixed column (4), and the adjustment component is connected to the rotating component.
2. A pressure-resistant lifting device according to claim 1, characterized in that: The rotating assembly comprises a rotating shaft (11) rotatably mounted on the inner wall of the adjusting groove (9), a rotating disk (12) is fixedly sleeved on the rotating shaft (11), and a blocking block (13) is fixedly mounted on one side of the rotating disk (12).
3. A pressure-resistant lifting device according to claim 2, characterized in that: The adjustment assembly comprises a moving hole (10) formed on one side of the fixed column (4), the moving hole (10) being connected to the adjustment groove (9), a moving block (18) being movably installed in the moving hole (10), a tooth groove (19) being provided on one side of the moving block (18), and a driving tooth (20) being provided on the outer side of the rotating disk (12), and the driving tooth (20) being meshed with the tooth groove (19).
4. A pressure-resistant lifting device according to claim 3, characterized in that: A connecting plate (21) is fixedly mounted on the bottom side of the moving block (18), one end of a pressing spring (22) is fixedly mounted on the bottom side of the connecting plate (21), the other end of the pressing spring (22) is fixedly mounted on the bottom inner wall of the moving hole (10), and a same connecting pressure rod (25) is fixedly mounted between the two connecting plates (21).
5. The pressure-resistant lifting device according to claim 3, characterized in that: Limiting blocks (24) are fixedly installed on both sides of the moving block (18), and limiting grooves (23) are provided on both sides of the moving hole (10), and the two limiting blocks (24) are slidably installed in the two limiting grooves (23) respectively.
6. The pressure-resistant lifting device according to claim 1, characterized in that: The blocking block (13) is provided with a horizontal blocking surface (14) and an arc-shaped extrusion surface (15); the horizontal blocking surface (14) is matched with the top inner wall of the anti-fall blocking groove (16); the arc-shaped extrusion surface (15) is matched with the guide rod (5); a horizontal pad (17) is fixedly mounted on the bottom inner wall of the adjustment groove (9); and the blocking block (13) is located on the horizontal pad (17).
7. The pressure-resistant lifting device according to claim 1, characterized in that: A reinforcing support rod (7) is fixedly mounted on one side of the guide rod (5), one end of the reinforcing support rod (7) is fixedly mounted on one side of the lifting platform (2), and the top end of the reinforcing support rod (7) is located on one side of the bottom plate (6).