CN222475868U - A lifting mechanism and a lifting device - Google Patents

Abstract

The utility model provides a lifting mechanism, including a crossbeam, a lifting part is provided at the center of the top of the crossbeam, two groups of lifting seats that slide and cooperate with the crossbeam are provided on the crossbeam, two groups of positioning components are provided on the crossbeam, the two groups of positioning components are respectively arranged near the two ends of the crossbeam, the two groups of positioning components are symmetrically arranged about the lifting part, the two lifting seats are independently matched with the two groups of positioning components to fix their positions, and blocking parts are provided at both ends of the crossbeam. The utility model can adjust the distance between the two lifting seats relative to the lifting part according to the center of gravity position of the lifted heavy object, so as to improve the stability of the heavy object during the lifting process.

Description

Hoisting mechanism and hoisting device

Technical Field

The utility model relates to the technical field of lifting equipment, in particular to a lifting mechanism and a lifting device.

Background

The lifting device is used for carrying heavy objects, the existing lifting device generally comprises a power mechanism for providing lifting power and a lifting mechanism connected with the power mechanism, the heavy objects are carried or carried through the lifting mechanism, the currently used lifting mechanism comprises a single lifting contact, a double lifting contact and the like, the lifting contact points of the double lifting contact are fixed, but due to the fact that some objects are different in shape and structure, the gravity center positions are different, the lifting device cannot be adjusted according to lifting requirements, and unstable conditions can be generated when the heavy objects are lifted.

Disclosure of utility model

Aiming at the defects in the prior art, the utility model provides a lifting mechanism and a lifting device, which have convenient and fast adjusting functions and can adapt to lifting work of different types of weights.

According to the embodiment of the utility model, the lifting mechanism comprises a cross beam, a lifting part is arranged in the center of the top of the cross beam, two groups of lifting seats which are in sliding fit with the cross beam are arranged on the cross beam, two groups of positioning components are arranged on the cross beam and are respectively close to two ends of the cross beam, the two groups of positioning components are symmetrically arranged relative to the lifting part, the two lifting seats are respectively and independently matched with the two groups of positioning components to fix the positions of the two positioning components, and blocking parts are respectively arranged at two ends of the cross beam.

Preferably, the cross beam is a bar straight rod structure, the hanging seat is movably sleeved on the cross beam and is of a rectangular annular structure in section, the positioning assembly comprises a positioning plate fixedly connected with the cross beam and positioned on the inner side of the hanging seat, a positioning groove is formed in the positioning plate, and a positioning rod matched with the positioning groove is detachably connected on the inner side of the hanging seat.

Further preferably, the positioning groove is a strip-shaped groove and is arranged along the length direction of the beam, the side wall, close to one side of the beam, of the positioning groove is a sliding part with a planar structure, the side wall, far away from one side of the beam, of the positioning groove is provided with a plurality of positioning parts with tooth-shaped groove structures, and the bottom of the positioning rod is provided with positioning teeth.

Further preferably, the plurality of positioning portions are uniformly distributed along the length direction of the positioning groove, and at least two positioning rods are connected to the inner side of each hanging seat.

Further preferably, the two ends of the positioning rod are provided with connecting screw holes, the hanging seat is provided with connecting through holes, and the positioning rod is connected with the hanging seat through bolts.

Further preferably, the inner side of the hanging seat is slidably connected with a movable baffle plate located on one side, far away from the cross beam, of the positioning plate, the movable baffle plate can move close to or far away from the positioning plate, and the movable baffle plate is connected with the hanging seat through an elastic piece.

Still further preferably, the bottom of the hanging seat is movably connected with a hanging ring.

According to an embodiment of the present utility model, there is also provided a lifting device including the above-mentioned lifting mechanism.

Compared with the prior art, the utility model has the following beneficial effects:

Set up two rather than sliding fit hanging seat on the crossbeam, still set up two sets of respectively rather than two hanging seat complex locating component simultaneously, two hanging seats independently adjust the position, and independently by rather than its locating component fixed its position that corresponds, when connecting the heavy object, according to heavy object central point put, adjust the interval between two hanging seats and the portion of lifting by crane for the focus of heavy object can be close to the below that the portion of lifting by crane was located to the position of lifting by crane as far as, can effectually promote the stability of heavy object at the handling in-process.

Drawings

Fig. 1 is a schematic structural view of a lifting mechanism according to the present utility model.

Fig. 2 is a schematic structural view of a positioning assembly in a lifting mechanism according to the present utility model.

In the drawing, 1, a cross beam, 2, a lifting part, 3, a lifting seat, 301, a bolt, 302, a hanging ring, 4, a positioning component, 410, a positioning plate, 420, a positioning groove, 421, a sliding part, 422, a positioning part, 430, a positioning rod, 431, a positioning tooth, 5, a blocking part, 6, a movable baffle, 7 and an elastic piece.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

Embodiment one:

As shown in fig. 1, a hoisting mechanism comprises a cross beam 1, a hoisting part 2 is arranged in the center of the top of the cross beam 1, a connecting hole is formed in the hoisting part 2, two groups of hoisting seats 3 which are in sliding fit with the cross beam 1 are arranged on the cross beam 1, two groups of positioning assemblies 4 are arranged on the cross beam 1 and are respectively close to two ends of the cross beam 1, the two groups of positioning assemblies 4 are symmetrically arranged relative to the hoisting part 2, the two hoisting seats 3 are respectively and independently matched with the two groups of positioning assemblies 4 to fix the positions of the hoisting seats, blocking parts 5 are respectively arranged at two ends of the cross beam 1, and the blocking parts 5 can prevent the hoisting seats 3 from sliding off the cross beam 1;

the distance between the two hanging seats 3 and the lifting part 2 can be independently adjusted, when the hanging seats 3 at two sides lift the heavy objects, the positions of the two hanging seats 3 can be respectively and independently adjusted according to the gravity center positions, so that the gravity center can be maximally close to the lower part of the lifting part 2, and the stability in the lifting process is ensured;

As shown in fig. 1 and 2, the cross beam 1 is a bar-shaped straight rod structure, the hanging seat 3 is an annular structure with a rectangular cross section, the hanging seat 3 and the cross beam 1 are in clearance fit in the width direction of the cross beam 1, the fit clearance is zero, the blocking part 5 is a wedge-shaped stop block fixed at two ends of the top of the cross beam 1, the positioning assembly 4 comprises a positioning plate 410 fixedly connected with the cross beam 1 and positioned at the inner side of the hanging seat 3, the positioning plate 410 is provided with a positioning groove 420, and the inner side of the hanging seat 3 is detachably connected with a positioning rod 430 matched with the positioning groove 420;

After the position of the hanging seat 3 is adjusted in a sliding manner, the hanging seat 3 can not deviate horizontally due to the fact that the inner side of the hanging seat 3 is consistent with the width of the cross beam 1 through the matching 420 of the positioning rod 430 and the positioning groove, and the hanging seat 3 can not generate vertical displacement under the gravity action of a lifted weight;

In order to facilitate the adjustment of the position of the hanging seat 3, in a further embodiment, the positioning groove 420 is a long-strip groove and is arranged along the length direction of the beam 1, the side wall of the positioning groove 420, which is close to the side of the beam 1, is a sliding part 421 with a planar structure, the side wall of the positioning groove 420, which is far away from the side of the beam 1, is provided with a plurality of positioning parts 422 with tooth-shaped groove structures, and the bottom of the positioning rod 430 is provided with positioning teeth 431;

When the position of the hanging seat 3 is adjusted, the hanging seat 3 moves upwards, so that the positioning rod 430 moves into the sliding part 421, at the moment, the hanging seat 3 can slide along the length direction of the cross beam 1, after the adjustment is finished, the hanging seat 3 moves downwards, the positioning rod 430 enters into the positioning part 422, the effect of limiting the position of the hanging seat 3 can be achieved, and the positioning rod 430 does not need to be detached in the adjustment process;

In order to improve stability of the hanging seat 3, in a further embodiment, the positioning portions 422 are uniformly distributed along the length direction of the positioning groove 420, and at least two positioning rods 430 are connected to the inner side of each hanging seat 3, in this embodiment, two positioning rods 430 are provided, and a space between the two positioning rods 430 is the same as a space between the two positioning portions 422;

Specifically, the two ends of the positioning rod 430 are provided with connecting screw holes, the hanging seat 3 is provided with connecting through holes, and the positioning rod 430 is connected with the hanging seat 3 through bolts 301;

In order to facilitate the positioning rod 430 entering the positioning portion 422, in a further embodiment, the inner side of the hanging seat 3 is slidably connected with a movable baffle 6 located on one side of the positioning plate 410 away from the beam 1, the movable baffle 6 may move vertically, the movable baffle 6 may move close to or far from the positioning plate 410, the movable baffle 6 is connected with the hanging seat 3 through an elastic member 7, in this embodiment, the elastic member 7 is a rigid spring, in an initial state, the elastic member 7 is in a compressed state, so that the movable baffle 6 abuts against the positioning plate 410, when the hanging seat 3 is adjusted, the reaction force of the elastic member 7 needs to be overcome, and after the adjustment is completed, the hanging seat 3 moves downward under the action of the elastic member 7, so that the positioning rod 430 enters the positioning portion 422 and is beneficial to the position stabilization thereof;

The bottom of the hanging seat 3 is movably connected with a hanging ring 302, so that the hanging seat is convenient for connecting heavy objects.

Embodiment two:

A lifting device comprises a power mechanism for lifting and the lifting mechanism in the embodiment, wherein the output end of the power mechanism is connected with a connecting hole on a lifting part 2 through a lifting rope.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims (8)

1. The utility model provides a hoisting mechanism, its characterized in that, includes crossbeam (1), crossbeam (1) top central authorities are equipped with hoisting portion (2), be equipped with on crossbeam (1) two sets of and rather than sliding fit's hanging seat (3), be equipped with two sets of locating component (4) on crossbeam (1), two sets of locating component (4) are close to respectively the both ends setting of crossbeam (1), two sets of locating component (4) are about hoisting portion (2) symmetry sets up, two hanging seat (3) are independent respectively with two sets of locating component (4) cooperate in order to fix its position, the both ends of crossbeam (1) all are equipped with blocking part (5).

2. The hoisting mechanism according to claim 1, wherein the cross beam (1) is of a bar-shaped straight rod structure, the hanging seat (3) is of an annular structure which is movably sleeved on the cross beam (1) and has a rectangular cross section, the positioning assembly (4) comprises a positioning plate (410) fixedly connected with the cross beam (1) and positioned on the inner side of the hanging seat (3), a positioning groove (420) is formed in the positioning plate (410), and a positioning rod (430) matched with the positioning groove (420) is detachably connected on the inner side of the hanging seat (3).

3. The hoisting mechanism according to claim 2, wherein the positioning groove (420) is a strip-shaped groove and is arranged along the length direction of the cross beam (1), a sliding part (421) with a planar structure is arranged on the side wall of the positioning groove (420) close to one side of the cross beam (1), a plurality of positioning parts (422) with tooth-shaped groove structures are arranged on the side wall of the positioning groove (420) far away from one side of the cross beam (1), and positioning teeth (431) are arranged at the bottom of the positioning rod (430).

4. A hoisting mechanism as claimed in claim 3, characterized in that a plurality of said positioning portions (422) are uniformly distributed along the length of said positioning groove (420), and at least two positioning rods (430) are connected to the inner side of each of said hoist shoes (3).

5. The hoisting mechanism according to claim 2, wherein connecting screw holes are formed at two ends of the positioning rod (430), connecting through holes are formed in the hoisting base (3), and the positioning rod (430) is connected with the hoisting base (3) through bolts (301).

6. A hoisting mechanism according to any one of claims 2-5, characterized in that a movable baffle (6) located at the side of the positioning plate (410) away from the beam (1) is slidingly connected to the inner side of the hoisting base (3), the movable baffle (6) can move close to or away from the positioning plate (410), and the movable baffle (6) is connected to the hoisting base (3) through an elastic member (7).

7. A hoisting mechanism as claimed in claim 6, characterized in that the bottom of the hoist mount (3) is movably connected with a hoisting ring (302).

8. A lifting device comprising a lifting mechanism as claimed in claim 7.