CN216689418U - Elephant trunk device - Google Patents

Abstract

The utility model provides a chute device which comprises a blanking hopper, a conical barrel body and more than two chains for hoisting the conical barrel body; the discharging hopper is arranged on one side of the ship body, one end of the chain is connected with the discharging hopper, and the other end of the chain is movably connected with one end, far away from the discharging hopper, of the conical barrel pipe body; the conical barrel body comprises more than two conical barrels with openings at two ends and connecting pieces for connecting the conical barrels and the chains, more than two lifting lugs for connecting the chains are arranged on one side of the side wall of each conical barrel, which corresponds to the upper opening, and the lifting lugs extend from the upper opening of each conical barrel to the lower opening of the corresponding conical barrel and are formed on the outer side wall of each conical barrel; the connecting pieces are fixedly arranged on the chain at equal intervals and movably connected with the lifting lugs; each conical barrel is movably connected with the chain at equal intervals through a connecting piece; the utility model has the advantage of not bending greatly when the stone throwing operation is carried out underwater.

Description

Elephant trunk device

Technical Field

The utility model relates to the technical field of underwater construction, in particular to a chute device.

Background

The immersed tube method is a construction method for building a tunnel at the bottom of water; the immersed tube tunnel is an underwater tunnel built by floating and transporting a plurality of prefabricated sections to the sea surface (river surface) site respectively and sinking and installing the prefabricated sections in a dredged foundation trench one by one; in order to avoid local high points of the foundation, the stress of the bottom plate of the immersed tube is uniform, a high-precision leveled broken stone cushion layer is designed between the bottom plate and the foundation to be used as a foundation bed, and a special broken stone cushion layer laying ship with high leveling precision is needed for construction.

However, when the riprap pipe performs riprap operation on the seabed, the sea current can impact the riprap pipe, and as the length of the riprap pipe is increased, if the rigid riprap pipe is adopted, the rigidity requirement on the riprap pipe is extremely high; if a soft riprap pipe is adopted, the bending deformation amplitude of the riprap pipe is increased, and the riprap precision is difficult to control; in addition, when the ocean current speed is high, the impact on the riprap tube is large, so that the deformation amplitude of the riprap tube is too large, broken stones in the riprap tube are difficult to pass through, and the normal riprap operation of the riprap tube is influenced.

In order to solve the technical problems, the patent document with the publication number of CN110004933A and the publication number of 2019.07.12 discloses an underwater gravel foundation bed laying device and a method, wherein the underwater gravel foundation bed laying device comprises a ship body, a conveying trolley is arranged on the ship body, the conveying trolley is driven by a driving device to slide along the length direction of the ship body, a chute is arranged on the conveying trolley, the top end of the chute is provided with a feeding port, and the bottom end of the chute is close to the water bottom; at least one conveying belt for feeding the conveying trolley is also arranged; the positions of the bow and the stern of the ship body are provided with buoyancy tank slide rails which are connected with the ship body in a sliding way, and the two buoyancy tank slide rails and the ship body are provided with liftable positioning piles; the buoyancy tank slide rail is of a folding structure. By adopting the scheme that the two foldable buoyancy tank slide rails and the ship body are alternately positioned through the positioning piles and slide relatively, after one region is finished by stone throwing construction, continuous movement with accurate guiding can be realized through the reciprocating movable positioning piles and the ship body.

According to the technical scheme disclosed by the patent document, although the problem of large bending amplitude when the riprap pipe is used for riprap operation can be solved to a certain extent, when the sea current impact is too large, the deformation amplitude of the riprap pipe is still too large, so that broken stones in the riprap pipe are difficult to pass through, and the normal riprap operation of the riprap pipe is further influenced.

In addition, as the crushed stone contains impurities such as certain soil, the traditional stone throwing pipe is used for blanking, the substances such as the soil in the crushed stone can fall to the water bottom and become a part of the crushed stone cushion layer to be dissolved or dissipated, and the paving flatness of the crushed stone cushion layer can be influenced.

Disclosure of Invention

The utility model provides a superposed chute device without large-scale bending, and by using the structure of the utility model, when a riprap pipe of a leveling ship carries out riprap operation underwater, the riprap pipe is not easy to deform greatly due to ocean current impact, thereby preventing the condition that broken stones are difficult to pass through the riprap pipe.

In order to achieve the purpose, the technical scheme of the utility model is as follows: a chute device is used for leveling a ship and performing gravel throwing operation, is arranged on a ship body and is hoisted by a crane, and comprises a blanking hopper, a conical barrel body and more than two chains for hoisting the conical barrel body; the hopper is installed in one side of hull down, and chain one end is connected and is connected with the hopper down, and the other end of chain and the one end swing joint of hopper under keeping away from of awl bucket body.

The upper side and the lower side of the discharging hopper are respectively provided with a feeding hole and a discharging hole, the discharging hole of the discharging hopper is connected with a rigid guide pipe, and the rigid guide pipe extends into the conical barrel body.

The conical barrel body comprises more than two conical barrels with openings at two ends and connecting pieces for connecting the conical barrels and the chains, more than two lifting lugs for connecting the chains are arranged on one side of the side wall of each conical barrel corresponding to the upper opening, the lifting lugs extend from the upper opening of the conical barrel along the direction of the outer side wall of the conical barrel towards the lower opening, and the lifting lugs are symmetrically arranged on the outer side wall of each conical barrel; the connecting pieces are fixedly arranged on the chain at equal intervals, hinged parts are arranged on the connecting pieces, and the connecting pieces are movably connected with the lifting lugs through the hinged parts; each conical barrel is movably connected with the chain at equal intervals through a connecting piece.

When the chute device is used for blanking, the conical barrels in the conical barrel pipe bodies are movably connected through the chains, each conical barrel in the conical barrel pipe bodies is unfolded, the rigid guide pipe penetrates through more than one conical barrel, and the distance between the two connecting pieces of two adjacent conical barrels is smaller than the height of the conical barrels; when the chute device is folded, the conical barrels in the conical barrel pipe bodies are mutually overlapped, the bottom surface of the lifting lug of the previous conical barrel in the adjacent conical barrels is abutted to the top surface of the lifting lug of the next conical barrel, and a gap is formed between the adjacent conical barrels.

According to the arrangement, when the chute device is used for carrying out stone crushing and throwing operation, the crane is driven, the conical barrel in the conical barrel pipe body is placed under water, and under the action of gravity, the conical barrel in the conical barrel pipe body is completely unfolded; then adding the crushed stone from a feeding hole of a discharging hopper, wherein the crushed stone sequentially passes through the discharging hopper, the rigid guide pipe and the cone barrel pipe body; like this, when the elephant trunk device carries out the unloading and receives the ocean current and assaults, each awl bucket inclined under the effect that first chain was pull in the awl bucket body, and then the awl bucket body takes place the bending of certain degree, like this, neither need throw the stone pipe possess high rigidity, also can not appear soft throwing stone pipe deformation range too big for throw the intraductal rubble condition that is difficult to pass through of stone, even under the great condition of ocean current, also can guarantee the efficiency and the accuracy of throwing the stone operation.

In addition, when the stone is thrown, water flow can flow through gaps between the conical barrels, so that the impact force of ocean current on the conical barrel body is reduced; simultaneously, at the rubble in-process through the awl bucket body, the rubble can be discharged the water between the awl bucket from the clearance between the awl bucket with the awl bucket body, at this moment, because rivers direction in the awl bucket body is different with rubble material whereabouts direction, can wash the effect to the rubble material, lead to mud in the rubble, debris such as earth can together follow the clearance discharge between the awl bucket along with rivers in the awl bucket body to debris such as earth in the rubble bucket body exhaust rubble material are reduced, guarantee the roughness of rubble bed course.

After the gravel throwing operation is finished, the cone barrel body of the chute device needs to be folded, the crane hoists the chute device to move upwards to drive the cone barrel body to move upwards, after the cone barrel body leaves the water surface, the cone barrel body is arranged on the ship body through hoisting of the crane, then the crane descends vertically, cone barrels in the cone barrel body are overlapped in sequence, at the moment, because the lifting lugs extend from the upper opening of the cone barrels along the direction of the lower opening of the outer side wall of the cone barrel, the bottom surface of the lifting lug of the previous cone barrel is abutted against the top surface of the lifting lug of the next cone barrel when the cone barrels are overlapped with each other, and a gap is formed between every two adjacent cone barrels, so that the cone barrels cannot be blocked; simultaneously, the rigidity stand pipe stretches into the setting of awl bucket body, and the crane compaction can enough prevent that the elephant trunk device from inclining to fall down on hopper down at last, also can reduce the area of elephant trunk device.

Further, the diameter of the feeding hole of the discharging hopper is larger than that of the discharging hole, and the diameter of the feeding hole is gradually reduced towards the direction of the discharging hole, so that the discharging speed of the discharging hopper can be increased.

Furthermore, a guide device is further arranged at the discharge port of the blanking hopper, the diameter of the guide device is gradually increased from the upper opening to the lower opening, and the lower opening of the guide device is arranged corresponding to the upper opening of the conical barrel body; like this, through the space of hopper below under the increase, can accelerate the falling speed of metalling under hopper discharge gate department, prevent that the metalling from being died at hopper discharge gate department card under, in addition, the upside opening setting that guider's downside opening corresponds the awl bucket can prevent that the metalling from losing between guider and the awl bucket body at unloading in-process.

Further, the elephant trunk device still includes the unloading base, and the downside opening fixed connection of downside awl bucket in unloading base and the awl bucket body, like this, when packing up the elephant trunk device, the stability of elephant trunk device can be increased to the unloading base.

Further, the diameter of the upper opening of the cone barrel is smaller than the distance from the upper opening to the lower opening of the side wall of the cone barrel; therefore, in the adjacent conical barrels, the lower end of the previous conical barrel is not easy to turn over and separate from the next conical barrel, so that the normal blanking of the chute device is ensured.

Furthermore, 4 lifting lugs are symmetrically arranged on the side wall of the conical barrel at equal intervals; the chain is provided with 4 chains which are correspondingly connected with the lifting lugs through connecting pieces; like this, through setting up the chain in awl bucket external symmetry for each chain plays the effect that the containment was held down to each awl bucket on the awl bucket body when the ocean current strikes to the awl bucket, thereby the slope by a wide margin can not appear in the awl bucket, and then can not appear turning over the condition that the side breaks away from next awl bucket between awl bucket and the awl bucket.

Further, when the cone barrel pipe bodies are overlapped, the rigid guide pipe penetrates through all the cone barrels; according to the arrangement, when the cone barrel pipe body is unfolded to feed materials, the rigid guide pipe can penetrate through a part of cone barrels to provide vertical support for the part of cone barrels penetrated by the rigid guide pipe, so that the inclination of the cone barrel pipe body is integrally reduced, and the feeding accuracy is further improved; when not needing the unloading, when coincide awl bucket body, the rigidity stand pipe passes all awl buckets and sets up, can further strengthen the stability behind the awl bucket body coincide for the difficult slope of awl bucket body turns over the side.

Drawings

Fig. 1 is a schematic structural view of the cone barrel tube body in a superimposed state.

Fig. 2 is a schematic structural view of the cone barrel tube body in an unfolded state.

FIG. 3 is a schematic structural view of the cone-barrel body of the present invention in an unfolded state and under the impact of ocean currents.

Fig. 4 is a schematic structural view of the cone barrel of the present invention.

Fig. 5 is a partially enlarged schematic view of a portion a of fig. 3.

Reference numerals are as follows: 1. feeding a hopper; 2. a conical barrel pipe body; 21. a conical barrel; 211. lifting lugs; 22. a connecting member; 221. a hinge portion; 3. a chain; 4. a hull; 5. a rigid guide tube; 6. a guide device; 7. a blanking base.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-5, the chute device is used for leveling a ship and performing gravel throwing operation, is arranged on a ship body 4 and is hoisted by a crane, and comprises a blanking hopper 1, a conical barrel body 2 and more than two chains 3 for hoisting the conical barrel body 2; hopper 1 is installed in one side of hull 4 down, and 3 one end of chain are connected and are connected with hopper 1 down, and the other end of chain 3 and the one end swing joint of hopper 1 under keeping away from of awl bucket body 2.

A feeding hole and a discharging hole are respectively formed in the upper side and the lower side of the blanking hopper 1, a rigid guide pipe 5 and a guide device 6 are connected to the discharging hole of the blanking hopper 1, the diameter of the guide device 6 is gradually increased from the upper opening to the lower opening, and the lower opening of the guide device 6 is arranged corresponding to the upper opening of the conical barrel body 2; the rigid guide pipe 5 sequentially extends into the guide device 6 and the conical barrel body 2; like this, through the space of hopper 1 below under the increase, can accelerate the falling speed of crushed stone material in 1 discharge gate department of hopper under, prevent that crushed stone material from dying in 1 discharge gate department card of hopper under, in addition, the upside opening setting that guider 6's downside opening corresponds awl bucket 21 can prevent that crushed stone material from losing between guider 6 and awl bucket body 2 at unloading in-process.

The conical barrel body 2 comprises more than two conical barrels 21 with openings at two ends and connecting pieces 22 used for connecting the conical barrels 21 and the chains 3, the conical barrels 21 are provided with more than two lifting lugs 211 used for connecting the chains 3 on one side of the side wall corresponding to the upper side opening, the lifting lugs 211 extend from the upper side opening of the conical barrels 21 along the direction of the lower side opening of the outer side wall of the conical barrels 21, and the lifting lugs 211 are symmetrically arranged on the outer side wall of the conical barrels 21; the connecting pieces 22 are fixedly arranged on the chain 3 at equal intervals, the connecting pieces 22 are provided with hinge parts 221, and the connecting pieces 22 are movably connected with the lifting lugs 211 through the hinge parts 221; each cone 21 is connected with the chain 3 through a connecting piece 22 in an equidistant and movable way.

When the chute device is used for blanking, the conical barrels 21 in the conical barrel tube bodies 2 are movably connected with each other through the chains 3, each conical barrel 21 in the conical barrel tube bodies 2 is unfolded, the rigid guide tube 5 penetrates through more than one conical barrel 21, and the distance h between the two connecting pieces 22 of two adjacent conical barrels 21 is smaller than the height of the conical barrel 21; when the chute device is folded, the conical barrels 21 in the conical barrel pipe bodies 2 are overlapped, the bottom surfaces of the lifting lugs 211 of the previous conical barrel 21 in the adjacent conical barrels 21 are abutted to the top surfaces of the lifting lugs 211 of the next conical barrel 21, and a gap is formed between the adjacent conical barrels 21.

According to the arrangement, when the chute device is used for carrying out stone crushing and throwing operation, the crane is driven, the conical barrel 21 in the conical barrel body 2 is placed under the water, and under the action of gravity, the conical barrel 21 in the conical barrel body 2 is completely unfolded; then adding crushed stone from a feed inlet of a discharge hopper 1, wherein the crushed stone sequentially passes through the discharge hopper 1, a rigid guide pipe 5 and a cone barrel pipe body 2; like this, when the elephant trunk device carries out the unloading and receives the ocean current and assaults, each awl bucket 21 inclines under the effect that first chain 3 was towed in awl bucket body 2, and then awl bucket body 2 takes place the bending of certain degree, like this, neither need throw the stone pipe and possess high rigidity, soft throwing stone pipe deformation amplitude too big can not appear yet for the condition that the rubble in throwing the stone pipe is difficult to pass through, even under the great condition of ocean current, also can guarantee the efficiency and the accuracy of throwing the stone operation.

In addition, during the stone throwing operation, water flow can flow through the gaps between the conical barrels 21, so that the impact force of ocean current on the conical barrel pipe body 2 is reduced; simultaneously, at the rubble in-process through awl bucket body 2, the rubble can be discharged the water in the awl bucket body 2 from the clearance between the awl bucket 21, at this moment, because rivers direction and the rubble stone whereabouts direction in the awl bucket body 2 are different, can wash the effect to the rubble stone, lead to mud in the rubble, debris such as earth can be together along with the rivers in the awl bucket body 2 discharge from the clearance between the awl bucket 21, thereby debris such as earth in the rubble stone of reducing follow awl bucket body 2 exhaust, guarantee the roughness of rubble bed course.

After the gravel throwing operation is completed, the cone barrel body 2 of the chute device needs to be folded, a crane hoists the chute device to move upwards to drive the cone barrel body 2 to move upwards, after the cone barrel body 2 leaves the water surface, the cone barrel body 2 is arranged on the ship body 4 through hoisting of the crane, then the crane descends vertically to sequentially overlap the cone barrels 21 in the cone barrel body 2, at the moment, because the lifting lugs 211 are formed by extending from the upper opening of the cone barrels 21 along the direction of the outer side wall of the cone barrel 21 towards the lower opening, when the cone barrels 21 are overlapped with each other, the bottom surface of the lifting lug 211 of the previous cone barrel 21 is abutted against the top surface of the lifting lug 211 of the next cone barrel 21, and a gap is formed between the adjacent cone barrels 21, so that the cone barrels 21 cannot be blocked; simultaneously, rigidity stand pipe 5 stretches into the setting of awl bucket body 2, and the crane compaction can enough prevent that the elephant trunk device from inclining to fall down on hopper 1 down at last, also can reduce the area of elephant trunk device.

The diameter of the feed inlet of the discharging hopper 1 is larger than that of the discharge outlet, and the diameter of the feed inlet is gradually reduced towards the discharge outlet, so that the discharging speed of the discharging hopper 1 can be increased.

The elephant trunk device further comprises a discharging base, the discharging base is fixedly connected with the lower side opening of the bottommost conical barrel 21 in the conical barrel body 2, and therefore when the elephant trunk device is folded, the discharging base can increase the stability of the elephant trunk device.

The diameter of the upper opening of the conical barrel 21 is smaller than the distance from the upper opening to the lower opening of the side wall of the conical barrel 21; therefore, the lower end of the previous conical barrel 21 is not easy to turn over and separate from the next conical barrel 21 in the adjacent conical barrels 21, so that the normal blanking of the chute device is ensured.

The side wall of the conical barrel 21 is symmetrically provided with 4 lifting lugs 211 at equal intervals; the chain 3 is provided with 4 chains which are correspondingly connected with lifting lugs 211 through connecting pieces 22; like this, set up chain 3 through the external symmetry at awl bucket 21 for each chain 3 plays the effect of pin down to each awl bucket 21 on awl bucket body 2 when awl bucket 21 is strikeed at the ocean current, thereby awl bucket 21 can not appear slope by a wide margin, and then can not appear turning over the condition that the side breaks away from next awl bucket 21 between awl bucket 21 and the awl bucket 21.

As shown in fig. 3, M is the direction and K is the direction of the flow of the ocean current.

In the present embodiment, there are 4 lifting lugs 211, and 4 corresponding chains 3 are provided (for convenience of illustration, only two chains 3 are shown in the figure); the diameter L1 of the upper opening of the cone barrel 21 is less than or equal to the distance L2 from the upper opening to the lower opening of the side wall of the cone barrel 21; when the conical barrel body 2 is inclined and deformed when being impacted by ocean current, on one hand, the conical barrels 21 are restrained by the chains 3, and on the other hand, the bottom of the last conical barrel 21 in the adjacent conical barrels 21 is abutted against the inner side wall of the downward-moving conical barrel 21 of the adjacent conical barrel 21, so that the conical barrel body 2 cannot be inclined too much, and the condition that the turning side of the last conical barrel 21 in the adjacent conical barrel 21 is separated from the next conical barrel 21 cannot occur; therefore, the smaller the difference between L1 and L2, the greater the inclination of the cone barrel tubular body 2 formed by the plurality of cone barrels 21 after being impacted by the sea current; in this embodiment, for the accuracy that improves the unloading, need guarantee that can not appear great slope after awl bucket body 2 receives the ocean current and assaults, the tapering of the preferred awl bucket 21 of this embodiment is 1: 4.

when the cone barrel pipe bodies 2 are overlapped, the rigid guide pipes 5 penetrate through all the cone barrels 21; according to the arrangement, when the cone barrel pipe body 2 is unfolded to feed materials, the rigid guide pipe 5 can penetrate through a part of the cone barrel 21 to provide vertical support for the part of the cone barrel 21 through which the rigid guide pipe 5 penetrates, so that the inclination of the cone barrel pipe body 2 is integrally reduced, and the feeding accuracy is further improved; when not needing the unloading, when coincide awl bucket body 2, rigidity stand pipe 5 passes all awl buckets 21 settings, can further strengthen the stability behind the coincide of awl bucket body 2 for it is difficult for the slope to turn over the side to bore bucket body 2.

Claims (7)

1. The utility model provides a elephant trunk device for the flattening ship carries out the elephant trunk device of rubble riprap operation, and the elephant trunk device sets up on the hull and through loop wheel machine hoist and mount, its characterized in that: the chute device comprises a blanking hopper, a conical barrel body and more than two chains for hoisting the conical barrel body; the discharging hopper is arranged on one side of the ship body, one end of the chain is connected with the discharging hopper, and the other end of the chain is movably connected with one end, far away from the discharging hopper, of the conical barrel pipe body;

the upper side and the lower side of the blanking hopper are respectively provided with a feeding hole and a discharging hole, the discharging hole of the blanking hopper is connected with a rigid guide pipe, and the rigid guide pipe extends into the conical barrel body;

the conical barrel body comprises more than two conical barrels with openings at two ends and connecting pieces for connecting the conical barrels and the chains, more than two lifting lugs for connecting the chains are arranged on one side of the side wall of each conical barrel corresponding to the upper opening, the lifting lugs extend from the upper opening of the conical barrel along the direction of the outer side wall of the conical barrel towards the lower opening, and the lifting lugs are symmetrically arranged on the outer side wall of each conical barrel; the connecting pieces are fixedly arranged on the chain at equal intervals, hinged parts are arranged on the connecting pieces, and the connecting pieces are movably connected with the lifting lugs through the hinged parts; each conical barrel is movably connected with the chain at equal intervals through a connecting piece;

when the chute device is used for blanking, the conical barrels in the conical barrel pipe bodies are movably connected through the chains, each conical barrel in the conical barrel pipe bodies is unfolded, the rigid guide pipe penetrates through more than one conical barrel, and the distance between the two connecting pieces of two adjacent conical barrels is smaller than the height of the conical barrels; when the chute device is folded, the conical barrels in the conical barrel pipe bodies are mutually overlapped, the bottom surface of the lifting lug of the previous conical barrel in the adjacent conical barrels is abutted to the top surface of the lifting lug of the next conical barrel, and a gap is formed between the adjacent conical barrels.

2. A chute device according to claim 1, wherein: the diameter of the feed inlet of the discharging hopper is larger than that of the discharge outlet, and the diameter of the feed inlet is gradually reduced towards the direction of the discharge outlet.

3. A chute device according to claim 2, wherein: the discharge gate department of hopper still is equipped with guider down, guider's diameter is crescent from the upper side opening to lower side opening direction, and guider's downside opening corresponds the upside opening setting of awl bucket.

4. A chute device according to claim 1, wherein: the chute device further comprises a blanking base, and the blanking base is fixedly connected with a lower side opening of the bottommost conical barrel in the conical barrel body.

5. A chute device according to claim 1, wherein: the diameter of the upper opening of the cone barrel is smaller than or equal to the distance from the upper opening to the lower opening of the side wall of the cone barrel.

6. A chute device according to claim 1, wherein: the side wall of the conical barrel is symmetrically provided with 4 lifting lugs at equal intervals; the chain is equipped with 4, and corresponds through the connecting piece and connect the lug.

7. A chute device according to claim 1, wherein: when the cone barrel pipe bodies are overlapped, the rigid guide pipe penetrates through all the cone barrels.

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