CN219078858U - Lifting appliance device - Google Patents

Abstract

The utility model belongs to the technical field of equipment hoisting, and discloses a lifting appliance device. The lifting device comprises a holding part, a switch part and a lifting part, wherein the lower end of the holding part is detachably connected with the lifting part, the lifting part comprises a hook head and a safety buckle, the safety buckle is rotationally connected to the hook head through a reset spring, the other end of the safety buckle is in butt joint with the hook head, the hook head is U-shaped, a locking area is formed by surrounding the safety buckle and the hook head, and the holding part can be connected with a crane; the switch part comprises a traction rope which is penetrated into the locking area and connected with the safety buckle, and the traction rope pulls the safety buckle to be separated from the hook head; the lifting tool and the suspended equipment are complex to operate when being required to be separated under the spent pool in the prior art, and parts under water are more, so that the problem of safety accidents caused by falling of the parts is solved.

Description

Lifting appliance device

Technical Field

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

Background

Under the working environment of the AP1000 nuclear power unit, workers can hoist some equipment into a spent fuel pool to carry out some underwater operations, such as hoisting a fuel assembly ultrasonic device into the spent pool to carry out ultrasonic inspection of the fuel assembly, hoisting a neutron absorption tree out of the spent pool to carry out detection of a sample, hoisting control rod inspection equipment into the spent pool to carry out inspection of a control rod and the like.

If ordinary hooks are used for lifting the devices, the devices are in a risk of falling off from the hooks in the lifting process of the devices due to the fact that the anti-falling protection devices are not arranged. If the traditional lifting hook with the anti-unhooking protection is used, after the devices are lifted into the spent pool, the lifting hook is positioned under water, and the spent fuel assembly stored in the spent pool has high radioactivity, so that personnel cannot realize the underwater unhooking separation of the lifting device and the lifting appliance in a diving mode.

In addition, the control requirement on the number of parts in the spent fuel storage pool area is extremely high, if the parts of the lifting appliance are too many, the parts can be loosened and fall into the spent fuel pool to cause safety accidents, the unhooking purpose is generally achieved through the cooperation of the underwater robot in the prior art, but the underwater robot has more complex parts and is easy to loosen, and the risk of underwater operation is increased.

Disclosure of Invention

The utility model aims to provide a lifting appliance device, which solves the problems that in the prior art, when lifting appliances and suspended equipment are required to be separated underwater, the operation is complex, more parts are arranged under a spent pool, and then safety accidents are caused by falling of the parts.

To achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a lifting appliance device which comprises a holding part, a switch part and a lifting part, wherein the lower end of the holding part is detachably connected with the lifting part, the lifting part comprises a hook head and a safety buckle, the safety buckle is rotationally connected to the hook head through a return spring, the other end of the safety buckle is abutted with the hook head, the hook head is U-shaped, the safety buckle and the hook head form a locking area, and the holding part can be connected with a crane;

the switch part comprises a traction rope, the traction rope is penetrated into the locking area and connected with the safety buckle, and the traction rope pulls the safety buckle to be separated from the hook head.

Preferably, the hook head is provided with a first through hole, the safety buckle is provided with a second through hole, the traction rope sequentially penetrates through the first through hole and the second through hole, the safety buckle is provided with a lock catch, and the traction rope is connected with the lock catch.

Preferably, the holding part comprises a fixing frame, a hanging ring is arranged on the fixing frame, a third through hole is formed in the holding part, a lock wire is connected to the outer wall of the fixing frame, a first bolt is connected to the lock wire, a connector is formed on the hook head, a fourth through hole is formed on the connector, the fixing frame is inserted into the connector, and the first bolt is inserted into the third through hole and the fourth through hole.

Preferably, handles are arranged on two sides of the fixing frame, and the handles are cylindrical.

Preferably, the lifting device further comprises an extension portion, the grip portion is detachably connected to the extension portion, and the extension portion is detachably connected to the hanging portion.

Preferably, the extension part comprises a connecting rod and a converter, wherein a fifth through hole is formed in two sides of the connecting rod along the axis direction, a sixth through hole is formed in two sides of the converter along the axis direction, a safety wire is connected to the side wall of the converter, the connecting rod is inserted into the converter, the other end of the safety wire is connected with a second bolt, the second bolt is inserted into the fifth through hole and the sixth through hole, the connecting rod is inserted into the fixing frame, and the diameter of the fifth through hole is the same as that of the fourth through hole.

Preferably, the connector is connected with the hook head by welding.

Preferably, the traction rope is connected with a hanging ring by spot welding.

Preferably, the safety catch is fixed on the hook head by a bolt and a nut, and the nut is spot-welded on the hook head.

Preferably, the material of the lifting device is stainless steel.

The beneficial effects are that: the crane lifts the lifting appliance device, the pulling rope is manually held, when the underwater equipment below the spent pool is required to be hooked, the pulling rope is pulled, the safety buckle connected with the pulling rope is pulled into the locking area, so that a gap appears, the hanging part on the underwater equipment is hung on the hook head, the pulling rope is loosened, the safety buckle is reset, the equipment is prevented from being separated from the locking area, the pulling rope is pulled again after moving to the target position, the hook head is separated from the underwater equipment by moving the lifting appliance, the connection and separation of the lifting appliance device and the underwater equipment can be realized above the water surface of the spent pool through the cooperation of the pulling rope and the hook head, the structure is simple, the operation can be performed on the water surface of the spent pool, the number of parts below the spent pool is reduced, and the safety is improved.

Drawings

FIG. 1 is a main view of a spreader apparatus of the present utility model;

FIG. 2 is a main view of a grip portion of the present utility model;

FIG. 3 is a main body view of the connector of the present utility model;

FIG. 4 is a main view of the hanger of the present utility model;

fig. 5 is a main view of the connecting rod of the present utility model.

In the figure: 1-a grip; 11-a fixing frame; 12-hanging rings; 13-locking wires; 14-a first bolt; 15-a handle; 16-a third through hole; 2-a switch part; 21-a traction rope; 22-hanging rings; 3-a hanging part; 31-hook heads; 32-a safety buckle; 33-locking; 34-connecting heads; 341-fourth through holes; 4-extension; 41-connecting rods; 411-fifth through holes; a 42-converter; 421—a security thread; 422-second latch; 5-locking region.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the 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.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Under the prior art, when using the hoist to hoist the underwater equipment of spent pool or will equip and hoist into under water from under water, if the comparatively simple risk that will appear unhooking that the hoist used, if install devices such as safety buckle additional, because have the radiation under water, so can't open the hoist under water through the manual work, so this will lead to the needs to use underwater robot to carry out the cooperation operation, open or close safety buckle through underwater robot, but the operation is complicated like this, and can lead to the part under water too much, if the part loosens, will appear the phenomenon that drops under water, cause the safe risk in the spent pool.

In order to solve the above problems, as shown in fig. 1 to 5, the present utility model provides a lifting device, which comprises a holding part 1, a switch part 2 and a lifting part 3, wherein the lower end of the holding part 1 is detachably connected with the lifting part 3, the lifting part 3 comprises a hook head 31 and a safety buckle 32, the safety buckle 32 is rotatably connected to the hook head 31 through a return spring, the other end of the safety buckle 32 is abutted to the hook head 31, the hook head 31 is in a U shape, the safety buckle 32 and the hook head 31 enclose a locking area 5, and the holding part 1 can be connected with a crane;

the switch part 2 comprises a traction rope 21, the traction rope 21 is penetrated into the locking area 5, the traction rope 21 is connected with the safety buckle 32, and the traction rope 21 pulls the safety buckle 32 to be separated from the hook head 31.

Normally, the in-field crane is hung on the upper side of the holding part 1 to drive the whole lifting device to move in the field, when the underwater equipment needs to move under water, the lifting device is sunk into the spent pool, the pulling rope 21 is directly pulled, the safety buckle 32 can be pulled into the locking area 5, a gap is formed between the safety buckle 32 and the hook head 31, then the holding part 1 at the upper end is manually adjusted, the connecting part of the underwater equipment is hung into the locking area 5 along the gap, the pulling rope 21 is released, the safety buckle 32 can be abutted against the hook head 31 again under the action of the reset spring, then the underwater equipment can be hooked by lifting the crane, the underwater equipment can be moved to a designated position under the movement of the lifting device, then the pulling rope 21 is pulled again after the underwater equipment is placed, and the lifting hook is separated from the underwater equipment by manually moving the holding part 1. Similarly, when a part of the equipment is suspended under water, the above operation is repeated, and after the equipment is connected to the suspension part 3, the equipment is suspended at a predetermined position under the spent pool.

Through using above-mentioned hoist device, can avoid using the underwater robot, reduce the operation degree of difficulty, operating personnel simultaneously on the surface of water on spent pool limit operation haulage rope 21 and portion of gripping 1 alright realize with the underwater equipment be connected and the separation, compare in complicated underwater robot, reduced part quantity, reduced the risk that the part dropped, promoted the security in the removal process.

The hook head 31 of the utility model is provided with a first through hole, the safety buckle 32 is provided with a second through hole, the traction rope 21 sequentially penetrates through the first through hole and the second through hole, the safety buckle 32 is provided with a lock catch 33, and the traction rope 21 is connected with the lock catch 33.

Because the hook head 31 is U-shaped, and the first through hole is arranged on one side in a penetrating way, the angle between the traction rope 21 and the safety buckle 32 can be approximately vertical, labor is saved when the traction rope 21 is pulled to move the safety buckle 32, the accuracy is high, the real-time control of workers on the water surface is facilitated, the traction rope 21 is fixed on the safety buckle 32 through the lock catch 33, and the workers can pull the traction rope 21 conveniently.

The holding part 1 comprises a fixing frame 11, a hanging ring 12 is arranged on the fixing frame 11, a third through hole 16 is formed in the holding part 1, a lock wire 13 is connected to the outer wall of the fixing frame 11, a first bolt 14 is connected to the lock wire 13, a connector 34 is formed on a hook head 31, a fourth through hole 341 is formed on the connector 34, the fixing frame 11 is inserted into the connector 34, and the first bolt 14 is inserted into the third through hole 16 and the fourth through hole 341.

The lifting ring 12 can be connected with a lifting hook on a crane, the holding part 1 is connected with the hook head 31 through the placement of the fixed bolt, so that the lifting hook is convenient for a worker to detach and overhaul, and meanwhile, the lifting hook is connected with the first bolt 14 through the lock wire 13, and the bolt is prevented from falling off.

The handles 15 are arranged on two sides of the fixing frame 11, the handles 15 are cylindrical, so that hands of workers can conveniently hold the fixing frame, the positions of the hook heads 31 can be conveniently adjusted through the handles 15, the moving positions of the hook heads 31 are more accurate, and the workers can conveniently realize hooking and separating with underwater equipment hanging points by moving the hook heads 31.

The lifting device further comprises an extension part 4, the holding part 1 is detachably connected with the extension part 4, the extension part 4 is detachably connected with the lifting part 3, the length of the lifting device can be changed through the extension part 4, and the lifting device can adapt to the spent ponds with different water depths.

The extension 4 includes connecting rod 41 and converter 42, connecting rod 41 and converter 42 include the multiunit, can connect into wholly through the converter 42 between the connecting rod 41, connecting rod 41 is formed with fifth through-hole 411 along axis direction both sides, converter 42 is formed with sixth through-hole along axis both sides, converter 42 lateral wall is connected with safety line 421, connecting rod 41 peg graft in converter 42, the safety line 421 other end is connected with second bolt 422, second bolt 422 peg graft in fifth through-hole 411 and sixth through-hole, connecting rod 41 peg graft in mount 11, fifth through-hole 411 is the same with fourth through-hole 341 diameter.

When the water depth exceeds the maximum downward detection depth of the lifting appliance, the lifting appliance is moved to the upper end of the water surface, meanwhile, the lifting hook of the lifting appliance is connected with the holding part 1, the bottom of the holding part 1 is fixedly provided with a group of connecting rods 41 through the converter 42, the lifting part 3 is detected down into the water, meanwhile, another section of connecting rods 41 are connected with the connecting rods 41 in the water through the converter 42 by another operator, the operation is repeated until the hook head 31 can be connected with underwater equipment, and then the connecting rods 41 gripped in the hands of the operator are connected with the connecting rods 41 hung on the lifting hook of the crane through the converter 42.

In addition, when equipment needs to be hoisted into the water, and meanwhile, the maximum lifting height of the lifting hook of the crane is smaller than the water depth, a group of chain blocks can be arranged between the lifting hook device and the lifting hook of the crane, the length of the chain blocks is shortened to be shortest on the water surface, meanwhile, the hook head 31 is connected with the hanging part on the equipment, then the crane is moved to the water surface, the chain blocks are controlled, the length of the chain blocks is prolonged, and the problem of insufficient lifting hook depth is solved.

The connector 34 and the hook head 31 are connected through welding, loose connection among parts is reduced, the parts are fixed, the parts are prevented from being separated from the main body after entering the lower part of the water surface of the spent pool, and safety is improved.

The hanging ring 22 is connected to the traction rope 21 through spot welding, the hanging ring 22 can be held by hands, the traction rope 21 is convenient to pull, the control of the traction rope 21 is achieved, workers on the water surface are convenient to pull, the hanging ring 22 can be hung on the hanging ring 12, the traction rope 21 is convenient to fix in the lifting process of equipment, the traction rope 21 is in a fixed state, and random swinging of the traction rope 21 in the working lifting process is avoided.

The safety buckle 32 is fixed on the hook head 31 through the bolt and the nut, and the nut is spot-welded on the hook head 31, reduces not hard up part quantity, reduces the risk that the part dropped in the spent pool.

The corrosion-resistant material used for the lifting appliance device is stainless steel in general, so that the service life of the lifting appliance device can be prolonged.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. The lifting device is characterized by comprising a holding part (1), a switch part (2) and a lifting part (3), wherein the lower end of the holding part (1) is detachably connected with the lifting part (3), the lifting part (3) comprises a hook head (31) and a safety buckle (32), the safety buckle (32) is rotationally connected onto the hook head (31) through a return spring, the other end of the safety buckle (32) is abutted to the hook head (31), the hook head (31) is U-shaped, the safety buckle (32) and the hook head (31) enclose a locking area (5), and the holding part (1) can be connected with a crane;

the switch part (2) comprises a traction rope (21), the traction rope (21) is penetrated into the locking area (5), the traction rope (21) is connected with the safety buckle (32), and the traction rope (21) pulls the safety buckle (32) to be separated from the hook head (31).

2. The lifting appliance device according to claim 1, characterized in that a first through hole is formed in the hook head (31), a second through hole is formed in the safety buckle (32), the traction rope (21) sequentially penetrates through the first through hole and the second through hole, a lock catch (33) is arranged on the safety buckle (32), and the traction rope (21) is connected with the lock catch (33).

3. The lifting appliance device according to claim 1, wherein the holding part (1) comprises a fixing frame (11), a lifting ring (12) is installed on the fixing frame (11), a third through hole (16) is formed in the holding part (1), a lock wire (13) is connected to the outer wall of the fixing frame (11), a first plug pin (14) is connected to the lock wire (13), a connector (34) is formed on the hook head (31), a fourth through hole (341) is formed on the connector (34), the fixing frame (11) is inserted on the connector (34), and the first plug pin (14) is inserted in the third through hole (16) and the fourth through hole (341).

4. A spreader device according to claim 3, characterized in that handles (15) are mounted on both sides of the holder (11), the handles (15) being cylindrical.

5. A spreader arrangement according to claim 3, characterized in that the spreader arrangement further comprises an extension (4), the grip portion (1) being detachably connected to the extension (4), the extension (4) being detachably connected to the sling portion (3).

6. The lifting appliance device according to claim 5, wherein the extension part (4) comprises a connecting rod (41) and a converter (42), a fifth through hole (411) is formed on two sides of the connecting rod (41) along the axis direction, a sixth through hole is formed on two sides of the converter (42) along the axis direction, a safety wire (421) is connected to the side wall of the converter (42), the connecting rod (41) is inserted into the converter (42), the other end of the safety wire (421) is connected with a second plug pin (422), the second plug pin (422) is inserted into the fifth through hole (411) and the sixth through hole, the connecting rod (41) is inserted into the fixing frame (11), and the diameters of the fifth through hole (411) and the fourth through hole (341) are the same.

7. A spreader arrangement according to claim 3, characterized in that the connection head (34) is connected to the hook head (31) by welding.

8. The lifting appliance device according to claim 1, characterized in that the traction rope (21) is spot welded with a suspension loop (22).

9. The spreader device according to claim 1, characterized in that the safety catch (32) is fixed to the hook head (31) by means of a bolt and a nut, which is spot welded to the hook head (31).

10. The spreader apparatus of claim 1 wherein the spreader apparatus is stainless steel.

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