Secondary protection lifting appliance

Abstract

The utility model particularly relates to the field of lifting equipment, and discloses a secondary protection lifting appliance which comprises a vertical rod, an anti-skid sleeve is connected to the outer surface of the vertical rod in a sliding mode, a second right-angle hook is fixedly arranged at the bottom end of the vertical rod, and a first right-angle hook is fixedly arranged on the side wall, close to the second right-angle hook, of the anti-skid sleeve. A limiting block is fixedly arranged at the end of the second right-angle hook, and a first notch is formed in the limiting block and used for allowing the bottom end of the first right-angle hook to be connected in an inserted mode. By arranging the vertical rod, the anti-skid sleeve, the first right-angle hook, the second right-angle hook, the mounting base, the limiting bolt, the first hole groove and the second hole groove, the first right-angle hook and the second right-angle hook are both right-angle hooks and can be conveniently inserted into the right-angle hole groove of a hoisted object, and the limiting bolt is sequentially connected into the second hole groove and the first hole groove in a threaded mode so that displacement of the first right-angle hook can be limited; and the right-angle hook II is inserted into the notch I, so that the right-angle hook I and the right-angle hook II can be closed, and the hoisting safety is improved.

Description

Technical Field

[0001] The utility model belongs to the field of hoisting equipment, in particular to a secondary protection hoisting device. Background Art

[0002] Electric hoist crane is a kind of lifting machinery, which is a kind of machinery that performs cyclic and intermittent motion. A working cycle includes: the picking device lifts the object from the picking place, then moves horizontally to the designated place to lower the object, and then moves in the opposite direction to return the picking device to its original position for the next cycle. Electric hoist cranes are mainly divided into single-beam cranes, single-beam suspended cranes, double-beam cranes, wall-mounted cranes, jib cranes, gantry cranes, and hand-pushed gantry cranes. Hoist cranes are used to lift parts. Since standard hooks cannot meet the lifting requirements of specific parts, homemade slings are often used in the production process to connect electric hoists and lifting objects.

[0003] Existing hoisting tools are usually standard hooks. Since standard hooks cannot meet the requirements for hoisting specific parts, standard hooks are prone to slipping during the hoisting of special-shaped components, thereby increasing the risk of the hoisting process. Utility Model Content

[0004] The utility model provides a secondary protection sling, aiming to solve the problem that the existing slings are usually standard hooks, which cannot meet the lifting requirements of specific parts and are prone to slipping during the lifting of special-shaped components, thereby increasing the risk of the lifting process.

[0005] The utility model is implemented as follows: a secondary protection hanger includes a vertical rod, the outer surface of the vertical rod is slidably connected with an anti-skid sleeve, the bottom end of the vertical rod is fixedly provided with a right-angle hook 2, the side wall of the anti-skid sleeve close to the right-angle hook 2 is fixedly provided with a right-angle hook 1, the end of the right-angle hook 2 is fixedly provided with a limit block, the interior of the limit block is provided with a slot 1 for the bottom end of the right-angle hook 1 to be plugged in, two mounting seats are symmetrically fixedly provided on the side wall of the anti-skid sleeve close to the top of the right-angle hook 1, the side walls of the mounting seats are each provided with a limit bolt, the surface of the mounting seat is provided with a hole groove 2 for threaded connection of the limit bolt, the side wall of the vertical rod is provided with a hole groove 1, and the internal dimensions of the hole groove 1 and the hole groove 2 are the same.

[0006] Preferably, a gourd hanging ring is fixedly provided at the top position of the vertical rod. The gourd hanging ring is circular and fixedly connected with the vertical rod and the right-angle hook to form an integrated structure, thereby improving the overall stability of the vertical rod.

[0007] Preferably, a baffle is sleeved on the outer surface of the vertical rod close to the second right-angle hook, and the baffle is supported on the bottom end of the anti-slip sleeve in a disc shape, thereby improving the stability of the anti-slip sleeve support.

[0008] Preferably, a second slot is provided on the side wall of the vertical rod close to the first hole slot, and the second slot is perpendicular to the first hole slot to facilitate positioning of the first hole slot.

[0009] Preferably, a slot three is provided inside the anti-slip sleeve, and the inner dimension of the slot three is matched with the outer dimension of the vertical rod, thereby improving the sliding convenience of the anti-slip sleeve.

[0010] Preferably, a sliding block is fixedly provided on the inner side wall of the slot three, and the inner dimension of the sliding block is matched with the outer dimension of the slot two, thereby improving the stability of the vertical movement of the anti-slip sleeve.

[0011] Preferably, the anti-slip sleeve, right-angle hook one, mounting seat and sliding block are all made of steel and are integrally formed by forging, thereby improving the overall stability of the anti-slip sleeve and right-angle hook one.

[0012] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0013] Firstly, by providing a vertical rod, an anti-slip sleeve, a right-angle hook one, a right-angle hook two, a mounting seat, a limit bolt, a hole slot one and a hole slot two, the right-angle hook one and the right-angle hook two are both right-angle hooks, which are convenient for plugging into the right-angle hole slots of the hoisting object. The limit bolts are threadedly connected to the inside of the hole slot two and the hole slot one in sequence to limit the displacement of the right-angle hook one, so that the right-angle hook two is plugged into the slot one, and the right-angle hook one and the right-angle hook two can be closed, thereby improving the safety of hoisting; secondly, by providing the slot two and the slider, the outer dimensions of the slider are matched with the inner dimensions of the slot two, thereby improving the convenience of positioning the hole slot one and the hole slot two. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view three-dimensional structural schematic diagram of the utility model.

[0015] Figure 2 It is a schematic diagram of the side view installation structure of the vertical rod of the utility model.

[0016] Figure 3 This is a schematic diagram of the front view installation structure of the anti-slip sleeve of the utility model.

[0017] The accompanying drawings are marked as follows: 1. vertical rod; 2. anti-slip sleeve; 3. right-angle hook one; 4. right-angle hook two; 5. baffle; 6. mounting seat; 7. limit bolt; 8. hoist hanging ring; 9. hole slot one; 10. limit block; 11. slot one; 12. slot two; 13. hole slot two; 14. slot three; 15. slider. DETAILED DESCRIPTION

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0019] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0020] See also Figure 1-3 The utility model provides an embodiment of a secondary protection sling, including a vertical rod 1, an outer surface of the vertical rod 1 is slidably connected with an anti-skid sleeve 2, the bottom end of the vertical rod 1 is fixedly provided with a right-angle hook 2 4, and a hoist hanging ring 8 is fixedly provided at the top position of the vertical rod 1 in the field of lifting equipment. The hoist hanging ring 8 is circular and fixedly connected to the vertical rod 1 and the right-angle hook 2 4 to form an integrated structure, which improves the overall stability of the vertical rod 1. The hoist hanging ring 8 is clamped on the output end of the electric hoist crane to achieve the installation of the sling. The electric hoist crane belongs to a kind of lifting machinery. This is a prior art and is not repeated here. A right-angle hook 1 3 is fixedly provided on the side wall of the anti-skid sleeve 2 near the right-angle hook 2 4. The right-angle hook 1 3 and the right-angle hook 2 4 have the same size to facilitate the formation of a closed rectangle, so that they are clamped in the right-angle groove of the hoisting object, thereby facilitating the hoisting of objects. A limit block 10 is fixedly provided at the end of the right-angle hook 2 4. The limit block A notch 11 is provided inside 10 for the bottom end of the right-angle hook 3 to be inserted, and the limit block 10 can limit the lateral displacement of the end of the right-angle hook 3, thereby improving the stability of the right-angle hook 3 and the right-angle hook 2 4 when they are closed. Two mounting seats 6 are symmetrically fixed on the side wall of the anti-slip sleeve 2 near the top of the right-angle hook 3, and limiting bolts 7 are provided on the side walls of the mounting seats 6. The surfaces of the mounting seats 6 are provided with hole grooves 13 for the limiting bolts 7 to be threadedly connected. A hole groove 9 is provided on the side wall of the vertical rod 1. The internal dimensions of the hole groove 9 and the hole groove 2 13 are the same. The limiting bolts 7 are threadedly connected to the inside of the hole groove 2 13 and the hole groove 9 in sequence to limit the displacement of the anti-slip sleeve 2, thereby further improving the firmness of the right-angle hook 3 and the right-angle hook 2 4 when they are closed, thereby preventing the hoisted objects from slipping from the inside of the right-angle hook 3 and the right-angle hook 2 4, realizing secondary protection of the hoisted objects, and improving the safety of hoisting.

[0021] The outer surface of the vertical rod 1 near the right-angle hook 2 4 is provided with a baffle 5 by welding. The baffle 5 is supported on the bottom end of the anti-slip sleeve 2 in a disc shape, further improving the stability of the support of the anti-slip sleeve 2 and preventing the anti-slip sleeve 2 from loosening and sliding off.

[0022] A slot 2 12 is provided on the side wall of the vertical rod 1 near the hole groove 1 9, and the slot 2 12 is perpendicular to the hole groove 1 9. A slot 3 14 is provided inside the anti-slip sleeve 2. The internal size of the slot 3 14 is matched with the external size of the vertical rod 1, which improves the convenience of sliding the anti-slip sleeve 2. A slider 15 is fixed on the inner wall of the slot 3 14. The anti-slip sleeve 2, the right-angle hook 1 3, the mounting seat 6 and the slider 15 are all made of steel and are integrally formed by forging, which improves the overall stability of the anti-slip sleeve 2 and the right-angle hook 1 3. The internal size of the slider 15 is matched with the external size of the slot 2 12. When the slider 15 slides inside the slot 2 12, the rotation of the anti-slip sleeve 2 can be limited, so that the hole groove 2 13 and the hole groove 1 9 are kept in the same direction, which is convenient for positioning the hole groove 1 9 threaded connection limit bolt 7, and at the same time improves the stability of the vertical movement of the anti-slip sleeve 2.

[0023] Working principle: When this type of secondary protection sling is in use, the operator first connects the hoist ring 8 to the output end of the electric hoist crane to realize the installation of the sling. The electric hoist crane is a kind of lifting machinery. This is a prior art and will not be repeated here. Then, the right-angle hook 2 4 is inserted into the right-angle groove of the hoisting object, and the bottom end of the right-angle hook 3 is inserted into the inside of the slot 11 by sliding the anti-slip sleeve 2. The limit block 10 can limit the lateral displacement of the bottom end of the right-angle hook 3 to improve the stability of the connection between the right-angle hook 3 and the end of the right-angle hook 2 4. Then, the limit bolt 7 is threadedly connected to the hole groove 2 13 and the hole groove 1 9 to limit the anti-slip sleeve 2 to slide on the surface of the vertical rod 1, so that the right-angle hook 2 4 is firmly sleeved on the outer surface of the hoisting object, realizing secondary protection of the hoisting object, and can limit the hoisting object from slipping from the inside of the right-angle hook 2 4 and the right-angle hook 3, thereby improving the stability of the sling hoisting.

[0024] Secondly, the slot 12 is perpendicular to the hole slot 1 9, and the inner size of the slider 15 is matched with the outer size of the slot 12. When the slider 15 slides inside the slot 12, the anti-slip sleeve 2 can be restricted from rotating, so that the hole slot 13 and the hole slot 1 9 are kept in the same direction, which is convenient for positioning the hole slot 1 9 threaded connection limit bolt 7, and at the same time improves the stability of the vertical movement of the anti-slip sleeve 2.

[0025] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.

[0026] In the several embodiments provided in the present application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely schematic, such as the division of the above-mentioned units. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunication or other forms.

[0027] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0028] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A secondary protection sling, characterized in that: The utility model comprises a vertical rod (1): the outer surface of the vertical rod (1) is slidably connected with an anti-skid sleeve (2); the bottom end of the vertical rod (1) is fixedly provided with a right-angle hook (4); the side wall of the anti-skid sleeve (2) close to the right-angle hook (4) is fixedly provided with a right-angle hook (3); the end of the right-angle hook (4) is fixedly provided with a limit block (10); the inside of the limit block (10) is provided with a slot (11) for the bottom end of the right-angle hook (3) to be plugged in; two mounting seats (6) are symmetrically fixedly provided on the side wall of the anti-skid sleeve (2) close to the right-angle hook (3); the side wall of the mounting seat (6) is provided with a limit bolt (7); the surface of the mounting seat (6) is provided with a hole groove (13) for the limit bolt (7) to be threadedly connected; the side wall of the vertical rod (1) is provided with a hole groove (9); the inner dimensions of the hole groove (9) and the hole groove (13) are the same.

2. A secondary protection sling according to claim 1, characterized in that: A gourd hanging ring (8) is fixedly provided at the top end of the vertical rod (1); the gourd hanging ring (8) is circular and fixedly connected to the vertical rod (1) and the second right-angle hook (4) to form an integrated structure.

3. A secondary protection sling according to claim 2, characterized in that: A baffle plate (5) is sleeved on the outer surface of the vertical rod (1) near the second right-angle hook (4), and the baffle plate (5) is supported on the bottom end of the anti-slip sleeve (2) in a disc shape.

4. A secondary protection sling according to claim 3, characterized in that: A second slot (12) is provided on the side wall of the vertical rod (1) close to the first slot (9), and the second slot (12) is perpendicular to the first slot (9).

5. A secondary protection sling according to claim 1, characterized in that: A third notch (14) is provided inside the anti-slip sleeve (2), and the internal dimensions of the third notch (14) are compatible with the external dimensions of the vertical rod (1).

6. A secondary protection sling according to claim 5, characterized in that: A sliding block (15) is fixedly arranged on the inner side wall of the slot three (14), and the inner dimension of the sliding block (15) is matched with the outer dimension of the slot two (12).

7. A secondary protection sling according to claim 1, characterized in that: The anti-slip sleeve (2), right-angle hook (3), mounting seat (6) and sliding block (15) are all made of steel and are integrally formed by forging.

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