Hydraulic power mechanical lifting and hoisting mechanism

Abstract

The utility model discloses a hydraulic power mechanical lifting and hoisting mechanism which comprises a base, connecting seats are fixedly connected to the upper portions of the two sides of the front end of the base, connecting rods are rotatably connected to the interiors of the connecting seats, two sets of control blocks are fixedly connected to the outer sides of the connecting rods, and lifting grooves matched with the control blocks are formed in the connecting seats. The lower portion of the connecting rod is fixedly connected with an outer supporting leg, the interior of the outer supporting leg is slidably connected with an inner supporting leg, the lower portion of the outer supporting leg is fixedly connected with two sets of limiting bent plates, the lower portion of the inner supporting leg is fixedly connected with a contact block, and the lower portion of the contact block is flush with the lower portions of the limiting bent plates. And folding and unfolding of the front-side anti-toppling supporting legs can be achieved, and the situation that the front-side supporting legs occupy space and make contact with goods is affected is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic power machinery lifting and hoisting, in particular to a hydraulic power machinery lifting and hoisting mechanism. Background Technique

[0002] Hoisting machinery is a mechanical device that uses the lever principle to lift an object from a lower place to a higher place through driving methods such as hydraulic pressure and motors, changing its position. From the tower crane for lifting containers at the dock to the manual crane for transporting goods in the workshop production, hoisting machinery has brought many conveniences to production work and improved work efficiency.

[0003] When hoisting goods, the hoisting mechanism usually needs to install extended support legs at the lower part on the side close to the goods to prevent the whole device from tipping over due to the heavy weight of the goods. Since most goods are installed on the ground, the fixed support legs will make it difficult for the hoisting device to contact the goods, affecting the overall hoisting work. Content of the Utility Model

[0004] The purpose of the utility model is to provide a hydraulic power machinery lifting and hoisting mechanism to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A hydraulic power machinery lifting and hoisting mechanism, including a base, two upper parts on both sides of the front end of the base are fixedly connected with connecting seats, the inside of the connecting seats is rotationally connected with connecting rods, two groups of control blocks are fixedly connected to the outside of the connecting rods, lifting grooves for cooperating with the control blocks are opened inside the connecting seats, an outer support leg is fixedly connected to the lower part of the connecting rod, an inner support leg is slidably connected inside the outer support leg, two groups of limiting bent plates are fixedly connected to the lower part of the outer support leg, a contact block is fixedly connected to the lower part of the inner support leg, and the lower part of the contact block is flush with the lower part of the limiting bent plates.

[0006] Preferably, two locking grooves for cooperating with the control blocks are opened in the upper part of the connecting seats, a second fixing piece is fixedly connected to the upper part of the connecting rod, and a handle is fixedly connected to the upper part of the second fixing piece.

[0007] Preferably, a number of locking holes are opened inside the inner support leg, a locking rod for cooperating with the locking holes is slidably connected inside the front outer side of the limiting bent plate, a first fixing piece is fixedly connected to one end of the locking rod, a spring is fixedly connected to one end of the first fixing piece, the spring is sleeved on the outside of the locking rod, and the other end of the spring is fixedly connected to the limiting bent plate.

[0008] Preferably, a lifting rod is fixedly connected to the upper part of the base. An installation plate is fixedly connected to the inner part of the lower side of the lifting rod. A hydraulic cylinder is fixedly connected to the lower part of the installation plate. The power end of the hydraulic cylinder penetrates the installation plate and is fixedly connected to a lifting seat. The front end of the lifting seat is fixedly connected to an installation rod. The lower part of the front end of the installation rod is fixedly connected to a hook.

[0009] Preferably, four groups of connecting bent plates are fixedly connected to the front and rear ends of the lifting seat. The connecting bent plates are slidably connected to the outside of the lifting rod.

[0010] Preferably, an installation seat is fixedly connected to the rear side of the lifting rod. A counterweight is fixedly connected to the upper part of the installation seat. A handrail is fixedly connected to the upper part of the rear side of the installation seat. A universal wheel is fixedly connected to the lower part of the installation seat. The front end of the inner support leg is fixedly connected to an installation frame. A runner is rotatably connected to the inside of the installation frame.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] 1. Through the combined use of the lifting groove, control block, connecting seat, connecting rod, locking groove, and outer support leg, the control block is raised along the lifting groove so that the control block rises above the connecting seat. The connecting rod is rotated to insert the control block into the locking groove to fix the rotation of the connecting rod, realizing the retraction of the outer support leg. The connecting rod is lowered, and the control block is inserted into the lifting groove to realize the extension of the outer support leg. It can realize the retraction and extension of the front support leg for preventing tipping, preventing the front support leg from occupying space and affecting the device's contact with goods.

[0013] 2. The present utility model also realizes, through the combined use of the outer support leg, inner support leg, spring, first fixing piece, locking rod, limiting bent plate, and locking hole, the inner support leg is pulled out along the outer support leg to increase the contact area of the support leg. The spring pulls the first fixing piece so that the locking rod penetrates the limiting bent plate and inserts into the locking hole, which can fix the extended length of the outer support leg, improve the extended length of the support leg, and prevent the device from tipping over. Description of the Drawings

[0014] Figure 1 It is a three-dimensional structure diagram of the first perspective of the present utility model;

[0015] Figure 2 It is a structure diagram of the connecting seat of the second perspective of the present utility model;

[0016] Figure 3 It is a structure diagram of the contact block of the third perspective of the present utility model.

[0017] In the figure: 1, base; 2, connecting seat; 3, connecting rod; 4, control block; 5, lifting groove; 6, locking groove; 7, outer support leg; 8, inner support leg; 9, mounting bracket; 10, runner; 11, limiting bent plate; 12, contact block; 13, locking hole; 14, locking rod; 15, first fixing piece; 16, spring; 17, second fixing piece; 18, handle; 19, lifting rod; 20, mounting plate; 21, lifting seat; 22, mounting rod; 23, hook; 24, hydraulic cylinder; 25, mounting seat; 26, counterweight; 27, handrail; 28, universal wheel; 29, connecting bent plate. Specific embodiments

[0018] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0019] Please refer to Figures 1-3 , the present invention provides a technical solution: a hydraulic power mechanical lifting and hoisting mechanism, including a base 1, two upper parts on both sides of the front end of the base 1 are fixedly welded with connecting seats 2, the connecting seats 2 are internally rotatably installed with connecting rods 3, two groups of control blocks 4 are fixedly welded on the outer sides of the connecting rods 3, lifting grooves 5 for cooperating with the control blocks 4 are opened in the connecting seats 2, the lower parts of the connecting rods 3 are fixedly welded with outer support legs 7, the control blocks 4 are lifted along the lifting grooves 5 to make the control blocks 4 rise to the upper parts of the connecting seats 2, and the connecting rods 3 are rotated to realize the retraction of the outer support legs 7. Inner support legs 8 are slidably installed inside the outer support legs 7, the inner support legs 8 are pulled out along the outer support legs 7 to increase the contact area of the support legs. Two groups of limiting bent plates 11 are fixedly welded on the lower parts of the outer support legs 7, and contact blocks 12 are fixedly welded on the lower parts of the inner support legs 8. The lower parts of the contact blocks 12 are flush with the lower parts of the limiting bent plates 11 to ensure that the inner support legs 8 and the outer support legs 7 can contact the ground simultaneously;

[0020] Two sets of locking grooves 6 for cooperating with the control block 4 are provided in the upper part of the connecting seat 2. When the control block 4 rises to the upper part of the connecting seat 2, by rotating the connecting rod 3, the control block 4 is inserted into the locking groove 6 to fix the rotation of the connecting rod 3. A second fixing piece 17 is fixedly welded to the upper part of the connecting rod 3, and a handle 18 is fixedly welded to the upper part of the second fixing piece 17 to facilitate the rotation of the connecting rod 3. A number of locking holes 13 are provided inside the inner support leg 8. A locking rod 14 for cooperating with the locking holes 13 is slidably installed inside the front outer side of the limiting bent plate 11. One end of the locking rod 14 is fixedly welded with a first fixing piece 15, and one end of the first fixing piece 15 is fixedly welded with a spring 16. The spring 16 is sleeved outside the locking rod 14, and the other end of the spring 16 is fixedly welded to the limiting bent plate 11. The spring 16 pulls the first fixing piece 15 to make the locking rod 14 penetrate through the limiting bent plate 11 and insert into the locking hole 13, so as to fix the extending length of the outer support leg 7. A lifting rod 19 is fixedly welded to the upper part of the base 1. An installation plate 20 is fixedly welded inside the lower side of the lifting rod 19. A hydraulic cylinder 24 is threadedly installed below the installation plate 20. The power end of the hydraulic cylinder 24 penetrates through the installation plate 20 and is fixedly welded with a lifting seat 21. An installation rod 22 is fixedly welded to the front end of the lifting seat 21, and a hook 23 is fixedly welded to the lower part of the front end of the installation rod 22. The hydraulic cylinder 24 drives the lifting seat 21 to move to realize hoisting. Four groups of connecting bent plates 29 are fixedly welded to the front and rear ends of the lifting seat 21. The connecting bent plates 29 are slidably installed outside the lifting rod 19 to prevent the lifting seat 21 from separating from the lifting rod 19. An installation seat 25 is fixedly welded to the rear side of the lifting rod 19. A counterweight 26 is fixedly welded to the upper part of the installation seat 25 to prevent the device from tipping forward. An armrest 27 is fixedly welded to the upper part of the rear side of the installation seat 25. A universal wheel 28 is threadedly installed below the installation seat 25. An installation frame 9 is fixedly welded to the front end of the inner support leg 8, and a runner 10 is installed and connected inside the installation frame 9 to facilitate the pushing of the device.

[0021] Working principle: When the utility model is in use, the control block 4 is raised along the lifting groove 5 so that the control block 4 rises to the upper part of the connecting seat 2. The connecting rod 3 is rotated to insert the control block 4 into the locking groove 6 to fix the rotation of the connecting rod 3, realizing the retraction of the outer support leg 7. The connecting rod 3 is lowered, and the control block 4 is inserted into the lifting groove 5 to realize the extension of the outer support leg 7. The inner support leg 8 is pulled out along the outer support leg 7 to increase the contact area of the support legs. The spring 16 pulls the first fixing piece 15 to make the locking rod 14 penetrate through the limiting bent plate 11 and insert into the locking hole 13, so as to fix the extending length of the outer support leg 7.

[0022] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0023] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydraulic power mechanical lifting and hoisting mechanism, comprising a base (1), characterized in that: On both upper sides of the front end of the base (1), there are fixedly connected connecting seats (2). Inside the connecting seats (2), there are rotatably connected connecting rods (3). On the outer side of the connecting rods (3), there are fixedly connected two groups of control blocks (4). Inside the connecting seats (2), there are formed lifting grooves (5) that cooperate with the control blocks (4). At the lower part of the connecting rods (3), there are fixedly connected outer support legs (7). Inside the outer support legs (7), there are slidably connected inner support legs (8). At the lower part of the outer support legs (7), there are fixedly connected two groups of limiting bent plates (11). At the lower part of the inner support legs (8), there are fixedly connected contact blocks (12), and the lower parts of the contact blocks (12) are flush with the lower parts of the limiting bent plates (11).

2. A hydraulic power machinery lifting and hoisting mechanism according to claim 1, characterized in that: On the upper part of the connecting seats (2), there are formed two groups of locking grooves (6) that cooperate with the control blocks (4). At the upper part of the connecting rods (3), there are fixedly connected second fixing plates (17), and at the upper part of the second fixing plates (17), there are fixedly connected handles (18).

3. A hydraulic power machinery lifting and hoisting mechanism according to claim 1, characterized in that: Inside the inner support legs (8), there are formed a number of locking holes (13). Inside the front outer side of the limiting bent plates (11), there are slidably connected locking rods (14) that cooperate with the locking holes (13). At one end of the locking rods (14), there are fixedly connected first fixing plates (15). At one end of the first fixing plates (15), there are fixedly connected springs (16). The springs (16) are sleeved on the outer sides of the locking rods (14), and the other ends of the springs (16) are fixedly connected to the limiting bent plates (11).

4. A hydraulic power machinery lifting and hoisting mechanism according to claim 1, characterized in that: On the upper part of the base (1), there is fixedly connected a lifting rod (19). Inside the lower side of the lifting rod (19), there is fixedly connected a mounting plate (20). At the lower part of the mounting plate (20), there is fixedly connected a hydraulic cylinder (24). The power end of the hydraulic cylinder (24) penetrates the mounting plate (20) and is fixedly connected to a lifting seat (21). At the front end of the lifting seat (21), there is fixedly connected a mounting rod (22). At the lower part of the front end of the mounting rod (22), there is fixedly connected a hook (23).

5. A hydraulic power machinery lifting and hoisting mechanism according to claim 4, characterized in that: At the front and rear ends of the lifting seat (21), there are fixedly connected four groups of connecting bent plates (29), and the connecting bent plates (29) are slidably connected to the outer side of the lifting rod (19).

6. A hydraulic power machinery lifting and hoisting mechanism according to claim 4, characterized in that: At the rear side of the lifting rod (19), there is fixedly connected a mounting seat (25). At the upper part of the mounting seat (25), there is fixedly connected a counterweight (26). At the upper rear part of the mounting seat (25), there is fixedly connected a handrail (27). At the lower part of the mounting seat (25), there are fixedly connected universal wheels (28). At the front end of the inner support legs (8), there is fixedly connected a mounting frame (9), and inside the mounting frame (9), there is rotatably connected a runner (10).

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