Lifting appliance with adjustable gravity center

Abstract

The utility model provides a lifting appliance with an adjustable gravity center, and relates to the technical field of lifting construction. When the lifting appliance with the adjustable gravity center is used for conventional lifting, lifting equipment is connected with the first lifting holes through hangers, and the two sides of a plurality of groups of to-be-lifted objects with the same weight or a single to-be-lifted object with the center gravity center are connected with the first lifting holes and the second lifting holes which are symmetrical in position through slings; during unconventional hoisting, hoisting equipment is connected with the second hoisting hole through a hanger, a balancing weight is mounted in the balancing weight hole, so that the hoisting beam is in no-load balance, and the first hoisting hole hoists more and heavier objects to be hoisted relative to the second hoisting hole, so that the working state of the hoisting beam is balanced; compared with a conventional lifting appliance, the lifting appliance can cope with lifting of multiple to-be-lifted objects and to-be-lifted objects with off-center of gravity, the lifting efficiency is greatly improved, and potential safety hazards are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to hoisting construction technical field, concretely relates to a lifting appliance with adjustable gravity center. BACKGROUND

[0002] In order to improve hoisting efficiency, it is often necessary to hoist multiple objects in the field of hoisting construction, and the gravity center of multiple objects is often not in the center of the lifting appliance, and the gravity center of a single object is often not in the center of the lifting appliance, which poses a safety hazard.

[0003] For example, before hoisting a workpiece, the lock catch (object to be hoisted) on the workpiece needs to be lifted away, and a single lock catch weighs 76.7 kg. The lock catch is divided into 120 cm two-lock catch locking mode, 308 cm two-lock catch locking mode and 120 cm + 280 cm three-lock catch locking mode according to different combination modes, and the workpiece is fixed by at least two locking modes, i.e. 4-6 lock catches need to be lifted away. At present, a general four-hook lifting appliance is used to lift one lock catch at a time, and the lock catches are lifted away one by one, which takes about 60-75 minutes, and the hoisting efficiency is very low. Hoisting multiple lock catches at a time will result in the gravity center not being in the center of the lifting appliance, which poses a safety hazard.

[0004] Therefore, it is urgent to develop a lifting appliance with adjustable gravity center to realize safe and efficient hoisting work. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a lifting appliance with adjustable gravity center, which solves the problem that the lifting appliance cannot adjust the gravity center to safely and efficiently hoist single or multiple objects with the gravity center not in the center.

[0006] To achieve the above purpose, the utility model is implemented by the following technical solutions:

[0007] A lifting appliance with adjustable gravity center, comprising: a lifting beam, a lifting hook and a lifting rope;

[0008] The lifting beam has a first lifting hook hole in the middle, a counterweight hole, a second lifting hook hole and a first lifting hole in the left segment, and a second lifting hole in the right segment;

[0009] The hoisting equipment is connected with the first lifting hook hole or the second lifting hook hole through the lifting hook;

[0010] The first lifting hole and the second lifting hole are connected with the object to be hoisted through the lifting rope;

[0011] The counterweight hole is used to install a counterweight block.

[0012] Preferably, a plurality of first lifting eyes and a plurality of second lifting eyes are provided, the number of the first lifting eyes is greater than the number of the second lifting eyes, and some of the first lifting eyes are matched with corresponding second lifting eyes, and the corresponding first lifting eyes and second lifting eyes are symmetrical relative to the central axis of the lifting beam.

[0013] Preferably, four first lifting eyes and three second lifting eyes are provided.

[0014] Preferably, the lifting cable, the lifting ring and the lifting hook are provided.

[0015] The top end of the lifting cable is connected with the first lifting eye or the second lifting eye through the lifting ring, and the lifting hook is installed at the bottom end of the lifting cable and used for connecting the object to be lifted.

[0016] Preferably, the counterweight is connected with the counterweight hole through a pin shaft.

[0017] Preferably, the lifting beam is provided with a plurality of weight-reducing holes.

[0018] Preferably, the lifting beam is made of H-shaped steel of Q345b material.

[0019] Preferably, the lifting beam, the lifting ring and the lifting hook are subjected to paint spraying treatment.

[0020] The utility model provides a kind of gravity-adjustable lifting appliance.Compared with prior art, it has the following beneficial effects:

[0021] In the utility model, when being hoisted conventionally, the hoisting device is connected with the first lifting lug hole through the lifting lug, and the two sides of the multiple objects to be lifted with same weight or the single object to be lifted with central gravity are connected with the position-symmetrical first lifting eye and second lifting eye through the lifting cable;When being hoisted abnormally, the hoisting device is connected with the second lifting lug hole through the lifting lug, the counterweight hole is installed with counterweight to balance the empty load of the lifting beam, and the first lifting eye is hoisted with more and heavier object to be lifted relative to the second lifting eye, so that the working state of the lifting beam is balanced;Compared with conventional lifting appliance, it can cope with the hoisting of multiple objects to be lifted and objects to be lifted with eccentric gravity, greatly improves the hoisting efficiency, and avoids safety hazards. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0023] Figure 1 It is a structural schematic view of the gravity-adjustable lifting appliance in the embodiments of the utility model.

[0024] The reference numerals in the figure are set as follows: a hoisting beam 10, a second hoisting hole 11, a first hoisting hole 12, a second hoisting hole 13, a weight-reducing hole 14, a hoisting 20, a counterweight 30, a hoisting rope 40, a hoisting ring 41, and a hoisting hook 42. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application is described clearly and completely. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0026] The hoist with adjustable gravity center provided in the embodiments of the present application solves the problem that the hoist cannot adjust the gravity center to safely and efficiently hoist a single or multiple objects to be hoisted with the gravity center not in the center.

[0027] In order to better understand the above technical scheme, the above technical scheme will be described in detail below in combination with the drawings of the specification and specific embodiments.

[0028] Embodiment:

[0029] As shown in the figure, the present application provides a hoist with adjustable gravity center, which comprises a hoisting beam 10, a hoisting 20 and a hoisting rope; Figure 1

[0030] The middle of the hoisting beam 10 is provided with a first hoisting hole, the left section is provided with a counterweight hole, a second hoisting hole 11 and a first hoisting hole 12, and the right section is provided with a second hoisting hole 13.

[0031] The hoisting device is connected with the first hoisting hole or the second hoisting hole 11 through the hoisting 20;

[0032] The first hoisting hole 12 and the second hoisting hole 13 are connected with the objects to be hoisted through the hoisting rope;

[0033] The counterweight hole is used for mounting the counterweight 30.

[0034] When the hoist with adjustable gravity center is hoisted conventionally, the hoisting device is connected with the first hoisting hole through the hoisting 20, and the two sides of the multiple objects to be hoisted with the same weight or the single object to be hoisted with the gravity center in the center are connected with the position-symmetrical first hoisting hole 12 and the second hoisting hole 13 through the hoisting rope; when the hoist with adjustable gravity center is hoisted abnormally, the hoisting device is connected with the second hoisting hole 11 through the hoisting 20, the counterweight hole is mounted with the counterweight 30 to balance the hoisting beam in the empty state, and the first hoisting hole 12 hoists more and heavier objects to be hoisted relative to the second hoisting hole 13 to balance the working state of the hoisting beam.

[0035] As shown in the figure, Figure 1 ​As shown, the first lifting hole 12 and the second lifting hole 13 are both provided with a plurality of, the number of the first lifting hole 12 is more than the number of the second lifting hole 13, and part of the first lifting hole 12 is matched with the corresponding second lifting hole 13, and the corresponding first lifting hole 12, the second lifting hole 13 is symmetrical relative to the central axis of the lifting beam 10.

[0036] As shown in the figure, Figure 1 The first lifting hole 12 is provided with four, and the second lifting hole 13 is provided with three.

[0037] As shown in the figure, Figure 1 The lifting rope 40, the lifting ring 41 and the lifting hook 42 are included in the lifting cable 40.

[0038] The top end of the lifting rope 40 is connected with the first lifting hole 12 or the second lifting hole 13 through the lifting ring 41, and the lifting hook 42 is installed at the bottom end of the lifting rope 40, which is used for connecting the object to be lifted.

[0039] As shown in the figure, Figure 1 The counterweight 30 is connected with the counterweight hole through the pin shaft.

[0040] As shown in the figure, Figure 1 The lifting beam 10 is provided with a plurality of weight reduction holes 14.

[0041] The lifting beam 10 is made of Q345b material H-shaped steel.

[0042] The lifting beam 10, the lifting ring 41 and the lifting hook 42 are all subjected to paint spraying treatment.

[0043] Compared with the prior art, the utility model has the following beneficial effects:

[0044] In the embodiment of the utility model, when the lifting device is connected with the first lifting hole through the lifting hanging 20, a plurality of objects to be lifted with the same weight or a single object to be lifted with the center of gravity on both sides are connected with the positionally symmetrical first lifting hole 12 and the second lifting hole 13 through the lifting cable during the conventional lifting of the center-of-gravity-adjustable lifting appliance; when the lifting device is connected with the second lifting hanging hole 11 through the lifting hanging 20, the counterweight hole is installed with the counterweight 30 to balance the empty load of the lifting beam, and the first lifting hole 12 is used to lift more and heavier objects to be lifted relative to the second lifting hole 13 to balance the working state of the lifting beam; compared with the conventional lifting appliance, the lifting appliance can cope with the lifting of multiple objects to be lifted and the lifting of objects to be lifted with a biased center of gravity, greatly improves the lifting efficiency, and avoids safety hazards.

[0045] It is to be noted that, in the present text, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the recited element.

[0046] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A center of gravity adjustable spreader, characterized by, The center-of-gravity-adjustable lifting tool comprises a lifting beam (10), a hanger (20) and a lifting rope; The middle of the lifting beam (10) is provided with a first hanger hole, the left section is provided with a counterweight hole, a second hanger hole (11) and a first lifting hole (12); and the right section is provided with a second lifting hole (13); The hoisting equipment is connected with the first hanger hole or the second hanger hole (11) through the hanger (20); The first lifting hole (12) and the second lifting hole (13) are both connected with the object to be lifted through the lifting rope; The counterweight hole is used for mounting a counterweight block (30).

2. The load center adjustable spreader of claim 1, wherein, The first lifting hole (12) and the second lifting hole (13) are both provided with a plurality of holes, the number of the first lifting holes (12) is more than that of the second lifting holes (13), and part of the first lifting holes (12) are matched with corresponding second lifting holes (13), and the corresponding first lifting holes (12) and second lifting holes (13) are symmetrical with respect to the central axis of the lifting beam (10).

3. The load center adjustable spreader of claim 2, wherein, The first lifting hole (12) is provided with four holes, and the second lifting hole (13) is provided with three holes.

4. The load center adjustable spreader of claim 1, wherein, The lifting rope (40) top end is connected with the first lifting hole (12) or the second lifting hole (13) through the lifting ring (41), and the lifting hook (42) is installed at the bottom end of the lifting rope (40) and is used for connecting the object to be lifted. The counterweight block (30) is connected with the counterweight hole through a pin shaft.

5. The load center adjustable spreader of claim 1, wherein, The lifting beam (10) is provided with a plurality of weight-reducing holes (14).

6. The load center adjustable spreader of claim 1, wherein, The lifting beam (10) is made of H-shaped steel of Q345b material.

7. The load center adjustable spreader of claim 1, wherein, The lifting beam (10), the lifting ring (41) and the lifting hook (42) are all subjected to paint spraying treatment.

8. A load center adjustable spreader as claimed in any one of claims 1 to 7, wherein, ​

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