CN219807653U - Hoisting lockset - Google Patents

Abstract

The utility model relates to the technical field of hoisting equipment, in particular to a hoisting lockset. The utility model provides a hoisting lockset, which comprises: the first lifting beam, the second lifting beam, the first lifting lug, the second lifting lug, the first sling and the second sling. The interval is provided with a plurality of first lugs on the one-level hanging beam, and first lug has first hoisting point and first hoisting point down, and first hoisting point can link to each other with lifting means through first hoist cable. A plurality of second lifting lugs are arranged on the second-stage lifting beam at intervals, each second lifting lug is provided with a second upper lifting point and a second lower lifting point, each second upper lifting point is connected with the first lower lifting point through a second sling, and each second lower lifting point is used for being connected with an object. During hoisting, the hook, the primary hanging beam and the secondary hanging beam of the hoisting equipment are sequentially connected, and then the hoisting point on the object is connected to the second lower hanging point corresponding to the secondary hanging beam.

Description

Hoisting lockset

Technical Field

The utility model relates to the technical field of hoisting equipment, in particular to a hoisting lockset.

Background

The heat chamber is a shielding chamber for installing and operating radioactive material equipment, pipelines, meters and other objects, the shell of the heat chamber is a device attached to the inner surface of the heat chamber, and the external size of the heat chamber is determined by the size and the function of the heat chamber.

In the engineering construction and installation process of the spent fuel aftertreatment system, the installation and positioning of the hot chamber shell is an important construction activity. Typically, the mounting step of the hot cell housing comprises: the hot chamber shell is prefabricated in a subsection module in a prefabrication workshop, the modules are assembled into a whole in a construction site, and the whole is installed in place by adopting a whole hoisting method.

Because of the restrictions of installation site construction conditions and the integral requirement of the hot chamber shell equipment, the hot chamber shell cannot be transported to an installation position in a horizontal transportation mode and can only be lifted in place in an integral lifting mode.

In the prior art, for hoisting such ultra-large shell equipment of a hot chamber shell in place, a single-beam hoisting method is generally adopted, or a sling is directly connected with a lifting lug of the hot chamber shell, however, the sling and the shell wall form an included angle, so that the hot chamber shell is stressed and extruded to shrink inwards, the appearance of the hot chamber shell is possibly deformed, the shell structure is damaged, the tensile force born by a single sling is large, and the sling is possibly damaged in the hoisting process.

Disclosure of Invention

The utility model solves the problems that: the existing hot chamber shell is directly connected by slings, so that the hot chamber shell is easy to deform due to stress extrusion, and the hot chamber shell is damaged.

(II) technical scheme

In order to solve the technical problems, the embodiment of the utility model provides a hoisting lockset which is used for hoisting an object in cooperation with hoisting equipment, wherein a hoisting point is arranged on the object; the hoist and mount tool to lock includes: the first lifting beam, the second lifting beam, the first lifting lug, the second lifting lug, the first sling and the second sling;

the first lifting lugs are arranged on the primary lifting beam at intervals and are provided with first upper lifting points and first lower lifting points, and the first upper lifting points can be connected with the lifting equipment through the first slings;

the second lifting lugs are arranged on the second-stage lifting beam at intervals, each second lifting lug is provided with a second upper lifting point and a second lower lifting point, each second upper lifting point is connected with the corresponding first lower lifting point through the corresponding second sling, and each second lower lifting point is used for being connected with the corresponding object.

Further, the first lifting lugs are arranged at the two ends of the primary lifting beam;

and the second lifting lugs are arranged at the two ends of the secondary lifting beam.

Further, the first lifting lug and the second lifting lug are combined lifting lugs;

the first lifting lug is provided with a plurality of first upper lifting points and a plurality of first lower lifting points;

the second lifting lug is provided with a plurality of second upper lifting points and a plurality of second lower lifting points.

Further, the primary hanging beam comprises a first connecting piece and a plurality of first beam bodies;

all the first beam bodies are arranged in parallel, and two adjacent first beam bodies are connected through the first connecting piece;

the secondary hanging beam comprises a second connecting piece and a plurality of second beam bodies;

all the second beam bodies are arranged in parallel, and two adjacent second beam bodies are connected through the second connecting piece.

Further, the primary hanging beam comprises two first beam bodies, and the first lifting lug is arranged between the two first beam bodies;

the second-stage hanging beam comprises two second beam bodies, and the second lifting lug is arranged between the two second beam bodies.

Further, the first beam body and the second beam body are both H-shaped steel.

Further, the first connecting piece is a first steel plate, and the second connecting piece is a second steel plate;

the first steel plates are welded between two adjacent first beam bodies, and the second steel plates are welded between two adjacent second beam bodies.

Further, the first sling and the second sling are formed by folding a steel wire rope in half, and hanging rings are arranged at two ends of the steel wire rope.

Further, the lifting device further comprises a balance sling, the second lower lifting point is connected with the lifting point through the balance sling, and the length of the balance sling is adjustable.

Further, the balance sling comprises a third sling and a hoist;

the hoisting block is provided with a lifting hook and a hanging hook;

the third sling has a first end and a second end, the first end is connected with the hanging hook, and the second end is connected with the hanging hook;

the first end can also be connected to the second lower suspension point.

The utility model has the beneficial effects that:

the hoisting lockset is used for being matched with hoisting equipment to hoist an object, wherein a hoisting point is arranged on the object; the hoist and mount tool to lock includes: the first lifting beam, the second lifting beam, the first lifting lug, the second lifting lug, the first sling and the second sling. The first lifting lugs are arranged on the primary lifting beam at intervals and are provided with first upper lifting points and first lower lifting points, and the first upper lifting points can be connected with lifting equipment through first slings. The second lifting lugs are arranged on the second-stage lifting beam at intervals, each second lifting lug is provided with a second upper lifting point and a second lower lifting point, each second upper lifting point is connected with the corresponding first lower lifting point through the corresponding second sling, and each second lower lifting point is used for being connected with the corresponding object.

When hoisting, connect gradually lifting device's couple, one-level hanging beam and second grade hanging beam, later connect the hoisting point on the object on the second lower hoisting point that the second grade hanging beam corresponds for object upside atress disperses and even, compares in prior art, can avoid producing the contained angle between hoist cable and the object, atress extrusion takes place to warp when avoiding object hoist and mount.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a hoisting lock according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a primary hanging beam matched with a hook of a hoisting device according to an embodiment of the present utility model;

fig. 3 is a schematic structural view of a primary hanging beam according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a hoisting lock according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram of a balancing sling according to an embodiment of the present utility model.

Icon: 11-primary hanging beams; 111-a first beam; 112-a first connector; 12-a first lifting lug; 121-a first lifting point; 122-a first lower suspension point; 13-a first sling;

21-a secondary hanging beam; 211-a second beam body; 212-a second connector; 22-a second lifting lug; 221-a second lifting point; 222-a second lower suspension point; 23-a second sling;

3-balancing slings; 31-a third sling; 32-lifting a hoist;

4-shackle;

5-a hot chamber housing; 51-hoisting point.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 5, an embodiment of the present utility model provides a hoisting lock for hoisting an object in cooperation with hoisting equipment, where a hoisting point 51 is provided on the object.

When the lifting device is used, the object is matched with the lifting lock through the lifting point 51 on the object, and then the lifting lock is connected to the hook of the lifting equipment to lift the object.

In particular, in this embodiment, the object is the hot chamber housing 5, and the lifting device may be a wheeled crane, a crawler crane, or the like. When in use, the hoisting lockset is connected to the hoisting point 51 of the hot chamber shell 5, and then the hoisting lockset is connected to the hook of the wheeled crane or the crawler crane.

The hoisting lockset provided by the embodiment of the utility model comprises: the first lifting beam 11, the second lifting beam 21, the first lifting lug 12, the second lifting lug 22, the first sling 13 and the second sling 23. A plurality of first lifting lugs 12 are arranged on the primary lifting beam 11 at intervals, the first lifting lugs 12 are provided with first upper lifting points 121 and first lower lifting points 122, and the first upper lifting points 121 can be connected with lifting equipment through the first lifting ropes 13. A plurality of second lifting lugs 22 are arranged on the secondary lifting beam 21 at intervals, the second lifting lugs 22 are provided with second upper lifting points 221 and second lower lifting points 222, the second upper lifting points 221 are connected with the first lower lifting points 122 through second lifting ropes 23, and the second lower lifting points 222 are used for being connected with objects.

In this embodiment, taking the situation that the ground is close to the ground as the lower part and the situation that the ground is far away from the ground as the upper part as an example, the hoisting lock comprises a primary hanging beam 11 and a secondary hanging beam 21 which are sequentially arranged along the direction from top to bottom. The two ends of the first sling 13 are connected with the primary hanging beam 11 and the lifting equipment, and the primary hanging beam 11 is connected with the secondary hanging beam 21 through the second sling 23.

In this embodiment, for better adapting to the shape of the object, a plurality of first lifting lugs 12 are disposed on the primary lifting beam 11 at intervals, the first lifting lugs 12 have a first upper lifting point 121 and a first lower lifting point 122, the first upper lifting point 121 and the first lower lifting point 122 are disposed at intervals up and down, and the first upper lifting point 121 is located above the first lower lifting point 122, that is, near to the hook of the lifting device, one end of the first lifting rope 13 is connected to the hook of the lifting device, and the other end is connected to the first upper lifting point 121. Similarly, for better adapting to the shape of the object, the second lifting beam 21 is provided with a plurality of second lifting lugs 22 at intervals, the second lifting lugs 22 are provided with second upper lifting points 221 and second lower lifting points 222, the second upper lifting points 221 and the second lower lifting points 222 are arranged at intervals up and down, the second upper lifting points 221 are located above the second lower lifting points 222, that is, close to the first-stage lifting beam 11, one end of the second lifting rope 23 is connected with the first lower lifting points 122, the other end of the second lifting rope 23 is connected with the second upper lifting points 221, and the second lower lifting points 222 are used for being connected with the object at the lowest position.

Optionally, in this embodiment, since the first lifting lugs 12 are disposed on the first lifting beam 11, when in use, the number of the second lifting beams 21 and the appropriate first lifting lugs 12 can be selected according to the actual situation of the object, so that the stress of the object is dispersed and uniform.

Optionally, the first upper hanging point 121, the first lower hanging point 122, the second upper hanging point 221, and the second lower hanging point 222 are through holes formed on the lifting lugs (the first lifting lug 12 and the second lifting lug 22).

Alternatively, the lifting point 51 on the object may be a lifting lug welded on the object, or may be a shackle 4 provided on the object, or the like.

According to the hoisting lockset provided by the embodiment of the utility model, during hoisting, the hook of the hoisting equipment, the primary hoisting beam 11 and the secondary hoisting beam 21 are sequentially connected, and then the hoisting point 51 on the object is connected to the second lower hoisting point 222 corresponding to the secondary hoisting beam 21, so that the stress on the upper side of the object is dispersed and uniform, and compared with the prior art, an included angle between a sling and the object can be avoided, and the deformation caused by stress extrusion during hoisting of the object is avoided.

The hoisting lockset provided by the embodiment of the utility model, specifically, the two ends of the primary hanging beam 11 are provided with the first lifting lugs 12. The second lifting lugs 22 are arranged at two ends of the secondary lifting beam 21.

In this embodiment, two ends of the primary hanging beam 11 are respectively provided with a first lifting lug 12, and two ends of the secondary hanging beam 21 are respectively provided with a second lifting lug 22, so that the force is dispersed during lifting, and the object is uniformly stressed.

The lifting lockset provided by the embodiment of the utility model, the first lifting lug 12 and the second lifting lug 22 are combined lifting lugs. The first lifting lug 12 has a plurality of the first upper lifting points 121 and a plurality of the first lower lifting points 122; the second lifting lug 22 has a plurality of the second upper lifting points 221 and a plurality of the second lower lifting points 222.

In this embodiment, the first lifting lug 12 and the second lifting lug 22 are combined lifting lugs, that is, a plurality of first upper lifting points 121 and a plurality of first lower lifting points 122 are provided on one first lifting lug 12, and a plurality of second upper lifting points 221 and a plurality of second lower lifting points 222 are provided on one second lifting lug 22.

Preferably, the first upper hanging points 121 and the first lower hanging points 122 are arranged in a one-to-one correspondence, and the second upper hanging points 221 and the second lower hanging points 222 are arranged in a one-to-one correspondence.

In this embodiment, the first upper hanging point 121, the first lower hanging point 122, the second upper hanging point 221 and the second lower hanging point 222 are through holes formed on the lifting lugs (the first lifting lug 12 and the second lifting lug 22), and can be formed by punching steel plates.

The lifting lock provided by the embodiment of the utility model, the primary lifting beam 11 comprises a first connecting piece 112 and a plurality of first beam bodies 111. All the first beams 111 are arranged in parallel, and two adjacent first beams 111 are connected by the first connecting piece 112. All the second beams 211 are arranged in parallel, and two adjacent second beams 211 are connected through the second connecting piece 212.

In the present embodiment, in order to improve the strength of the primary suspension beam 11 and the secondary suspension beam 21, the primary suspension beam 11 is formed by splicing a plurality of first beam bodies 111 arranged in parallel, and the secondary suspension beam 21 is formed by splicing a plurality of second beam bodies 211 arranged in parallel.

In this embodiment, the first connecting piece 112 is disposed between two adjacent first beams 111 for connecting two adjacent first beams 111, and the second connecting piece 212 is disposed between two adjacent second beams 211 for connecting two adjacent second beams 211.

In this embodiment, all the first beam bodies 111 are arranged in parallel, that is, all the first beam bodies 111 are arranged in parallel along the width direction of the first beam bodies 111, so as to increase the width of the primary hanging beam 11 and improve the strength of the primary hanging beam 11, and similarly, the secondary hanging beam 21 is the same as the primary hanging beam 11, and will not be described again here.

Specifically, in this embodiment, the primary hanging beam 11 includes two first beam bodies 111, and the first lifting lug 12 is disposed between the two first beam bodies 111. The secondary hanging beam 21 comprises two second beam bodies 211, and the second lifting lug 22 is arranged between the two second beam bodies 211.

In this embodiment, specifically, the primary hanging beam 11 is formed by splicing two first beam bodies 111, and the first lifting lug 12 is provided between the two first beam bodies 111 for the purpose of improving strength. The secondary hanging beam 21 is formed by splicing two second beam bodies 211, and in order to improve strength, the second lifting lug 22 is arranged between the two second beam bodies 211.

Preferably, in this embodiment, the first beam 111 and the second beam 211 are all H-shaped steel, which is a national standard product, so that the sizes of the first beam 111 and the second beam 211 can be selected according to the object.

It is understood that in the present embodiment, the first beam 111 and the second beam 211 may also be C-shaped steel or the like.

In the lifting lock provided by the embodiment of the utility model, the first connecting piece 112 is a first steel plate, and the second connecting piece 212 is a second steel plate. The first steel plates are welded between two adjacent first beam bodies 111, and the second steel plates are welded between two adjacent second beam bodies 211.

In this embodiment, the first connecting member 112 is a first steel plate, and two adjacent first beam bodies 111 are welded by the first steel plate to form the primary hanging beam 11. The second connecting piece 212 is a second steel plate, and two adjacent second beam bodies 211 are welded through the second steel plate to form the second-stage hanging beam 21.

In the present embodiment, in order to improve the strength of the primary and secondary suspension beams 11 and 21, a plurality of first and second steel plates may be provided, with the plurality of first steel plates being disposed at intervals along the extending direction of the first beam body 111 and the plurality of second steel plates being disposed at intervals along the extending direction of the second beam body 211.

It will be appreciated that in the present embodiment, the first connecting member 112 and the second connecting member 212 may also be bolts or the like, and the first beam 111 and the second beam 211 may be connected by forming holes in the first beam 111 and the second beam 211.

According to the hoisting lockset provided by the embodiment of the utility model, the first sling 13 and the second sling 23 are formed by folding a steel wire rope in half, and hanging rings are arranged at two ends of the steel wire rope.

In the present embodiment, the first slings 13 and the second slings 23 are both wire ropes, and in order to increase the strength of the first slings 13 and the second slings 23, the wire ropes are folded in half to form the first slings 13 and the second slings 23. Hanging rings are arranged at two ends of the steel wire rope, so that the first hanging rope 13 can be conveniently connected with a hanging hook of hoisting equipment, and the second hanging rope 23 is connected with the first hanging point 122.

The hoisting lockset provided by the embodiment of the utility model further comprises the balance sling 3, and the length of the balance sling 3 is adjustable. The second lower suspension point 222 is connected to the suspension point 51 on the object by means of the balancing suspension wire 3.

In the present embodiment, the balancing sling 3 is used for connection between the second lower suspension point 222 and the object, and the stress conditions of the first sling 13 and the second sling 23 are dispersed by the balancing sling 3. Meanwhile, the length of the balance sling 3 is adjustable, so that the influence caused by the eccentric center of gravity and the core of an object can be reduced.

Specifically, in this embodiment, the balancing sling 3 includes a third sling 31 and a hoist 32. The hoist 32 has a hook and a hanger. The third sling 31 has a first end connected to the hook and a second end connected to the hook. The first end can also be connected to the second lower suspension point 222.

In this embodiment, the length of the balancing slings 3 is adjustable by means of the hoist 32.

The hoist 32 is a light and small-sized hoist device, which is divided into an electric hoist 32 and a manual hoist 32 in this embodiment, and the structure of the hoist 32 is a known prior art in the art and will not be described herein.

In this embodiment, the third sling 31 has opposite first and second ends, the first and second ends are both provided with hanging rings, the hanging ring of the first end is connected with the hanging hook of the hoist 32, and the hook of the hoist 32 is hung on the hanging ring of the second end, so that the length of the sling 3 can be set in an adjustable manner by controlling the expansion and contraction of the hoist 32.

It will be appreciated that in this embodiment the length adjustable setting of the balancing slings 3 may also be achieved by providing telescopic cylinders, cylinders or electric cylinders.

The lifting lock provided by the embodiment of the utility model is connected with the lifting device through the shackle 4 between the first sling 13 and the lifting device, between the first sling 13 and the first upper lifting point 121, between the second sling 23 and the first lower lifting point 122, between the second sling 23 and the second upper lifting point 221, between the third sling 31 and the second lower lifting point 222, and between the third sling 31 and the lifting point 51.

The shackle 4 is a structure known in the art, and will not be described here.

In the present embodiment, by providing the shackle 4 at each connection point, the hoisting operation can be facilitated.

Taking a hot chamber shell 5 as an example, the lifting lock provided by the embodiment of the utility model is used for lifting the hot chamber shell 5, and a plurality of lifting lugs are arranged on the hot chamber shell 5 to form lifting points 51. The hoisting lock comprises a primary hoisting beam 11 and two secondary hoisting beams 21.

When the lifting device is used, two steel wire ropes are taken and folded to form two first lifting slings 13, one end of each first lifting sling 13 is provided with two lifting rings, one lifting ring is connected with one shackle 4, the steel wire ropes are sleeved with one shackle 4, the shackles 4 on the lifting rings are connected to the shackles of the wheel crane, and the shackles 4 sleeved on the steel wire ropes are connected to the first upper lifting points 121 of the primary lifting beams 11. The four steel wire ropes are folded in half to form four second slings 23, and the arrangement of the shackle 4 is the same as that of the first slings 13, and will not be described again here. Wherein, the shackle 4 on the hanging ring is connected to the first lower hanging point 122, and the shackle 4 sleeved on the steel wire rope is connected to the second upper hanging point 221. And then eight steel wire ropes are taken and matched with eight chain blocks (hoist blocks 32) to form eight balance slings 3, and the eight balance slings 3 are used for connecting lifting lugs on the hot chamber shell 5 and the second lower lifting points 222.

During hoisting, the height of the hot chamber shell 5 is adjusted through adjusting the chain block, so that the hot chamber shell 5 is balanced, and meanwhile, the primary hanging beam 11 and the secondary hanging beam 21 are vertical during hoisting, so that an H-shaped structure is formed.

The lifting lockset provided by the embodiment of the utility model adopts three-stage sling lifting, so that the stress condition of slings at all stages is dispersed. And a lifting hoist 32 is additionally arranged on the third-stage sling (balance sling 3) for leveling, so that the posture of the hot chamber shell 5 is leveled in the lifting process, and the influence caused by the eccentric center of gravity and the core of the hot chamber shell 5 is reduced. Meanwhile, the construction waste materials can be utilized for processing and manufacturing, so that project cost is saved, and the processing and manufacturing are convenient; and after the construction is finished, the hoisting lockset can be used for hoisting activities of other constructions, so that the effect of cyclic utilization is achieved. Most importantly, the hoisting lockset provided by the embodiment realizes the construction purposes of integral hoisting and one-time positioning of the hot chamber shell 5, and saves a great amount of engineering construction period. The installation process of prefabricating sectional modules, assembling field modules and integrally hoisting in place is adopted, firstly, the hot chamber shell 5 is not limited by the field environment in manufacturing, and the field construction area is not occupied; secondly, the construction can be synchronously carried out with civil engineering, and concrete pouring is carried out with the civil engineering after hoisting in place; the construction period can be saved, and the site construction area is not occupied.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the communication may be direct or indirect through an intermediate medium, or may be internal to two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (10)

1. A hoisting lockset which is used for being matched with hoisting equipment to hoist an object, wherein a hoisting point (51) is arranged on the object; the utility model is characterized in that, hoist and mount tool to lock includes: the lifting device comprises a primary lifting beam (11), a secondary lifting beam (21), a first lifting lug (12), a second lifting lug (22), a first sling (13) and a second sling (23);

a plurality of first lifting lugs (12) are arranged on the primary lifting beam (11) at intervals, the first lifting lugs (12) are provided with first upper lifting points (121) and first lower lifting points (122), and the first upper lifting points (121) can be connected with lifting equipment through the first lifting ropes (13);

a plurality of second lifting lugs (22) are arranged on the second-stage lifting beam (21) at intervals, the second lifting lugs (22) are provided with second upper lifting points (221) and second lower lifting points (222), the second upper lifting points (221) are connected with the first lower lifting points (122) through second lifting ropes (23), and the second lower lifting points (222) are used for being connected with an object.

2. Hoisting lock according to claim 1, characterized in that the first lifting lugs (12) are provided at both ends of the primary lifting beam (11);

the two ends of the secondary hanging beam (21) are provided with the second lifting lugs (22).

3. The lifting lock according to claim 2, characterized in that the first lifting lug (12) and the second lifting lug (22) are combined lifting lugs;

-said first lifting lug (12) having a plurality of said first upper lifting points (121) and a plurality of said first lower lifting points (122);

the second lifting lug (22) has a plurality of the second upper lifting points (221) and a plurality of the second lower lifting points (222).

4. Hoisting lock according to claim 1, characterized in that the primary hoisting beam (11) comprises a first connection piece (112) and a plurality of first beam bodies (111);

all the first beam bodies (111) are arranged in parallel, and two adjacent first beam bodies (111) are connected through the first connecting piece (112);

the secondary hanging beam (21) comprises a second connecting piece (212) and a plurality of second beam bodies (211);

all the second beam bodies (211) are arranged in parallel, and two adjacent second beam bodies (211) are connected through the second connecting piece (212).

5. Hoisting lock according to claim 4, characterized in that the primary hoisting beam (11) comprises two of the first beam bodies (111), the first lifting lug (12) being arranged between the two first beam bodies (111);

the secondary hanging beam (21) comprises two second beam bodies (211), and the second lifting lug (22) is arranged between the two second beam bodies (211).

6. The lifting lock according to claim 4, wherein the first beam (111) and the second beam (211) are both H-steel.

7. The lifting lock according to claim 4, wherein the first connecting member (112) is a first steel plate and the second connecting member (212) is a second steel plate;

the first steel plates are welded between two adjacent first beam bodies (111), and the second steel plates are welded between two adjacent second beam bodies (211).

8. Hoisting lock according to claim 1, characterized in that the first sling (13) and the second sling (23) are formed by folding in half one wire rope, and that hoisting rings are arranged at both ends of the wire rope.

9. Hoisting lock according to any one of claims 1-8, further comprising a balancing sling (3), said second lower hoisting point (222) being connected to said hoisting point (51) by means of said balancing sling (3), the length of said balancing sling (3) being adjustable.

10. Hoisting lock according to claim 9, characterized in that the balancing sling (3) comprises a third sling (31) and a hoist (32);

the hoist (32) is provided with a lifting hook and a hanging hook;

the third sling (31) has a first end connected to the hook and a second end connected to the hook;

the first end is also connectable to the second lower suspension point (222).