KR101627276B1 - A hand pallet truck for transport to disposal the drums of radioactive wastes - Google Patents

A hand pallet truck for transport to disposal the drums of radioactive wastes Download PDF

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Publication number
KR101627276B1
KR101627276B1 KR1020160004129A KR20160004129A KR101627276B1 KR 101627276 B1 KR101627276 B1 KR 101627276B1 KR 1020160004129 A KR1020160004129 A KR 1020160004129A KR 20160004129 A KR20160004129 A KR 20160004129A KR 101627276 B1 KR101627276 B1 KR 101627276B1
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KR
South Korea
Prior art keywords
radioactive waste
frame
pallet
radiation shielding
drums
Prior art date
Application number
KR1020160004129A
Other languages
Korean (ko)
Inventor
조준호
강정기
Original Assignee
주식회사 선광티앤에스
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 주식회사 선광티앤에스 filed Critical 주식회사 선광티앤에스
Priority to KR1020160004129A priority Critical patent/KR101627276B1/en
Application granted granted Critical
Publication of KR101627276B1 publication Critical patent/KR101627276B1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
    • B62B3/04—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment
    • B62B3/06—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment for simply clearing the load from the ground
    • B62B3/0618—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment for simply clearing the load from the ground using fluid lifting mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
    • B62B3/10—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor characterised by supports specially adapted to objects of definite shape
    • B62B3/104—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor characterised by supports specially adapted to objects of definite shape the object being of cylindrical shape, e.g. barrels, buckets, dustbins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00—Accessories or details specially adapted for hand carts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00—Accessories or details specially adapted for hand carts
    • B62B5/0006—Bumpers; Safety devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/20—Means for actuating or controlling masts, platforms, or forks
    • B66F9/22—Hydraulic devices or systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2202/00—Indexing codes relating to type or characteristics of transported articles
    • B62B2202/02—Cylindrically-shaped articles, e.g. drums, barrels, flasks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2203/00—Grasping, holding, supporting the objects
    • B62B2203/20—Grasping, holding, supporting the objects using forks or tines
    • B62B2203/28—Guiding the forks into the pallets

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Handcart (AREA)

Abstract

The present invention relates to a hand pallet truck for the carriage of radioactive waste drums, the purpose of which is to transport a pallet loaded with a plurality of radioactive waste drums to a radioactive waste repository in a nuclear facility, A pallet having a plurality of radioactive waste drums loaded in a transportation vehicle for carrying the radioactive waste drums to the storage is mounted and unloaded, the frame beds are stably and firmly supported, and the frame beds can be moved up and down simultaneously This makes it possible not only to more safely transfer the radioactive waste drum but also to minimize the exposure of the operator to the radiation irradiated from the radioactive waste drum during the transfer operation of the radioactive waste drum, Respectively. A plurality of hydraulic lifting and lowering wheels mounted on both sides of the lower surface of the three frame beds and driven up and down simultaneously with the hydraulic pressure of the cylinder to raise and lower the three frame beds, And a radiation shielding plate vertically installed on a rear surface of the upper surface of the three frame beds.

Description

[0001] A hand pallet truck for disposal of radioactive waste drums [0003]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hand pallet truck for transporting radioactive waste drums, and more particularly to a pallet truck for transporting radioactive waste drums to a radioactive waste repository in a nuclear power plant, A plurality of radioactive waste drums are stably received in a loaded pallet while minimizing the exposure of the transport operator to radiation radiated from the radioactive waste drum when loading and unloading the radioactive waste drums in the transport vehicle for transporting the radioactive waste drums The present invention relates to a hand pallet truck for disposal of radioactive waste drums.

Generally, a conventional hand pallet truck includes a pumping block in which a pair of hydraulic circuits are incorporated, a pump installed on the upper surface of the pumping block, a cylinder having an ascending ram ascending and descending vertically to the valve, a lever chain and a pushing lever And a lower lever for driving a lever chain, a handle installed to be operable to be interlocked with the pump and the cylinder, a direction switching wheel mounted on the lower surface of the pumping block so as to be pivotable in the left and right direction, The frame head is mounted on the upper end of the elevating ram and ascends and descends according to the rising and falling of the elevating ram and two or three frame beds protruding forward from the lower end of the frame head.

Such a conventional configuration of the hand pallet truck is well shown in FIGS. 1 and 2 of Korean Utility Model Publication No. 1991-8009.

The conventional hand pallet truck having the above-described structure has a pump and a cylinder mounted on a surface thereof, and a handle, a frame head and a frame bed are integrally mounted so as to be operatively associated with each other, The elevating ram slidably mounted on the center side of the cylinder is lifted up through the hydraulic circuit formed in the pumping block by the function of raising the hydraulic pressure by the hydraulic pump to raise the frame bed integrally attached thereto to the frame bed position indicated by the dashed line The lifting operation is carried out. On the other hand, when carrying out the unloading operation, the lever attached to the handle is operated to release the check function of the known check valve provided in the hydraulic circuit of the pumping block through the lever chain and the pushing lever connected thereto, Hydraulic pressure drop is induced in the load of the frame bed and the load It is configured so as to lower the lifting ram.

However, in the conventional hand pallet truck having the above-described structure, since only the front end side of the frame bed is supported by the wheel member, the frame bed is not stably supported and is not firmly supported, so that it is difficult to stably transport the radioactive waste having a heavy load, There is a risk that the radioactive waste drum mounted on the pallet loses balance when the pallet is lifted and lowered,

In the transfer of the radioactive waste drum, the radioactive waste drum is mounted on the pallet in a state of being exposed to the air without a separate shield, and the pallet is mounted on the frame bed of the hand pallet truck so that the operator who operates the hand pallet truck, There is a problem that the radiation is continuously irradiated by the radiation irradiated from the waste drum.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is an object of the present invention to provide a pallet having a plurality of radioactive waste drums loaded therein for storage in a radioactive waste repository within a nuclear facility, The pallet having a plurality of radioactive waste drums is mounted on the conveying vehicle for carrying the radioactive waste drums to the reservoir of the main body, and the frame bed is stably and firmly supported while the frame bed is lifted up and down simultaneously It is possible not only to more safely transport the radioactive waste drum, but also to minimize the exposure of the worker to the radiation irradiated from the radioactive waste drum during the transferring operation of the radioactive waste drum. A radioactive waste drum disposal hand pallet truck To provide The.

The above object of the present invention can be also achieved by a pumping block having a pair of hydraulic circuits, a pump installed on the upper surface of the pumping block, a cylinder having a lifting ram vertically lifting and lowering the valve, a lever chain and a pushing lever, A direction changing wheel mounted on the lower portion of the pumping block to be rotatable in the left and right direction, and an upper portion of the elevating ram A frame head mounted on an upper end of the frame head for moving up and down according to a rise and fall of the lift ram; and three frame beds protruding forward from a lower end of the frame head, the hand pallet truck comprising: And are mounted on both sides of the lower surface of the lower surface of the three frame beds, And the plurality of hydraulic elevating wheels Sikkim the bed frame as well as elevating work cloud; And a radiation shielding plate vertically installed on a rear surface of the top surface of the three frame beds.

A hand pallet truck for disposal of radioactive waste drums according to the present invention comprises a plurality of hydraulic lifting and lowering wheels connected to a hydraulic oil path of a cylinder in communication with each other and being lifted and lowered by hydraulic pressure to be mounted on a pallet loaded with a plurality of radioactive waste drums And a radiation shielding plate mounted on each of the front and rear sides of the frame beds for shielding the radiation radiated from the plurality of radioactive waste drums carried on the pallet on the rear surface of the upper surface of the frame bed, A camara means for photographing a work process on the plate, an illuminating means for illuminating the front of the radiation shielding plate, and an electronic level meter mounted on the radiation shielding plate for indicating the horizontal state of the hand pallet truck in real time to inform the operator The user can operate the hand pallet truck By minimizing the exposure of the worker to radiation and by lifting and lowering the three frame beds firmly and uniformly by a plurality of hydraulic lifting wheels, the operator maintains the horizontal state with reference to the electronic horizontal unit and operates the hand pallet truck A plurality of radioactive waste drums loaded on the flexible pile can be stably mounted on the pare embed and can be transported. By closely photographing the work process by the camera means, it is possible to improve the problems by analyzing the work process, It is possible to analyze the cause accurately.

1 is a plan view of a hand pallet truck for disposal of radioactive waste drums according to the present invention,
2 is a front view showing a hand pallet truck for transporting radioactive waste drums according to the present invention,
3 is a cross-sectional view taken along line AA in FIG. 2,
4 is a partially enlarged view showing a state in which camera means or lighting means are detachably mounted on the attachment unit mount on the upper corner of the radiation shielding plate of the hand pallet truck for disposal of radioactive waste drums according to the present invention. It is a perspective,
5 is a block diagram illustrating the interconnection of a plurality of hydraulic lifting wheels and cylinders of a hand pallet truck for disposal of radioactive waste drums according to the present invention,
6 and 7 are operational state diagrams showing the operating state of a hand pallet truck for transporting radioactive waste drums according to the present invention.

Hereinafter, a preferred embodiment of a hand pallet truck for transporting radioactive waste drums according to the present invention will be described in detail with reference to the accompanying drawings.

1 to 7, a hand pallet truck 10 for carrying disposal of a radioactive waste drum according to the present invention comprises a pumping block having a pair of hydraulic circuits built therein, a pump installed on the upper surface of the pumping block, , A handle (12) provided with a cylinder (11) having an ascending / descending ram that moves up and down to and from the cylinder, a lever chain and a pushing lever, and a descending lever for driving the lever chain, A direction changing wheel 13 mounted on the lower surface of the pumping block so as to be rotatable in the left and right direction, a frame head 14 mounted on the upper end of the elevating ram of the cylinder and ascending and descending in accordance with the rising and falling of the elevating ram, The conventional hand pallet truck including three frame beds 15 protruding forward from the lower end of the frame head further includes a plurality of hydraulic lifting and lowering wheels 20 and a radiation shielding plate 30.

The plurality of hydraulic lift-and-lowering wheels 20 are connected to a hydraulic pressure path interlocked with the cylinder 11 and are mounted on both sides of the bottom surface of the three frame beds 15, The three frame beds 15 are raised and lowered and the clouds are operated.

The radiation shielding plate 30 is vertically provided on the rear surface of the upper surface of the three frame beds 15 and includes a support plate 31, a support frame 32, and a transparent radiation shielding fiberglass 33 And includes a plurality of additional unit mounting ports 34, camera means 35, lighting means 36, and an electronic horizontal unit 37.

The support plate portion 31 is formed in a plate shape to form a lower portion of the radiation shielding plate 30 to prevent the drum 200 on the pallet 100 and the pallet 100 from being pushed, And is vertically fixed to the end portion.

The bark frame 32 has a plurality of supports vertically arranged in the middle portion, and is vertically fixed to the upper end of the support plate 31.

The transparent radiation-shielded fiberglass 33 is mounted on the rear portion of the support frame 32 to shield radiation through the support frame 32.

The plurality of attachment unit mounting holes 34 are formed in a plate shape having a flat plate or one end bent at a right angle and provided at the both side corners and the middle portion of the upper end of the support frame 32, So that the additional units can be detachably mounted.

The camera means 35 is detachably mounted on the attachment unit mounting hole 34 to closely photograph the mounting and unloading process of the pallet 100 on which the plurality of radioactive waste drums 200 are mounted.

The illumination unit 36 is detachably mounted on the attachment unit mount 34 to illuminate the front of the radiation shielding plate 30. [

The electronic horizontal unit 37 is detachably mounted on the rear portion of the attachment unit mounting hole 34 to allow the operator to mount the pallet 100 on which a plurality of safe radioactive waste drums 200 are mounted, And displays the horizontal state of the hand pallet truck 10 in real time so that the unloading operation can be performed.

The hand pallet truck 10 for transporting radioactive waste drums according to the present invention having the above-described structure is constructed such that a plurality of hydraulic lifting wheels 20 firmly support the three frame beds 15 while supporting the frame beds 15, So that the pallet 100 on which the plurality of radioactive waste drums 200 are loaded can be stably mounted and unloaded without tilting and the radioactive shielding plate 30 can be mounted on the plurality of radioactive waste drums 200 And a plurality of additional units are detachably mounted on the radioactive shielding plate 30 so as to perform operations more safely and promptly so that the radioactive waste drum 200 Can be transported.

10: Hand pallet truck for transporting radioactive waste drum disposal
11: cylinder 12: handle
13: turning wheel 14: frame head
15: Frame bed 20: Hydraulic lifting wheel
30: Radioactive shielding plate 31: Support plate
32: support frame 33: radiation shielding fiberglass
34: attachment unit mounting hole 35: camera means
36: Lighting means 37: Electronic horizontal unit
100: pallet 200: radioactive waste drum

Claims (3)

delete A cylinder, a lever chain and a pushing lever having a lift ram that vertically moves up and down in a vertical direction, a down lever for driving a lever chain, A direction changing wheel mounted on the lower surface of the pumping block to be rotatable in the left and right direction and an upper portion mounted on an upper end portion of the elevating ram of the cylinder, A frame head for moving up and down in accordance with a rise and fall of the ram, and three frame beds protruding forward from the lower end of the frame head, and connected to a hydraulic path interlocking with the cylinder (11) The three frame beds 15 are mounted on both sides of the lower surface of the lower surface of the bed 15 so as to ascend and descend according to the hydraulic pressure of the cylinder 11, A plurality of hydraulic lifting wheels 20 operated in a rolling manner; Further comprising a radiation shielding plate (30) vertically installed on a rear surface of a top surface of the three frame beds (15), the hand pallet truck for transporting radioactive waste disposal.
The radiation shielding plate (30)
A lower portion of the radiation shielding plate 30 is formed in a plate shape so as to prevent the drum 200 on the pallet 100 and the pallet 100 from being pushed and fixed vertically to the upper surface rear end of the frame bed 15 A support plate portion 31,
A support frame 32 having a plurality of supports arranged perpendicularly to the intermediate portion and fixed vertically to an upper end of the support plate 31,
A transparent radiation shielding fiberglass 33 mounted on a rear portion of the support frame 32 to shield radiation through the support frame 32;
A plurality of additional unit mounting holes (34) provided at both upper corner portions and an intermediate portion of the upper end of the support frame (32);
A camera means (35) detachably mounted on the attachment unit mounting hole (34) and photographing a loading and unloading process of the pallet (100) loaded with a plurality of radioactive waste drums (200);
And an illuminating means (36) detachably mounted on the attachment unit mounting hole (34) for illuminating the front of the radiation shielding plate (30). 3. The method of claim 2,
The radiation shielding plate (30)
So that the worker can mount and unload the pallet 100 loaded with a plurality of safe radioactive waste drums 200 with reference to the current horizontal state by being detachably mounted on the rear portion of the attachment unit mounting hole 34 Further comprising an electronic horizontal unit (37) for displaying in real time the horizontal state of the hand pallet truck (10).
KR1020160004129A 2016-01-13 2016-01-13 A hand pallet truck for transport to disposal the drums of radioactive wastes KR101627276B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020160004129A KR101627276B1 (en) 2016-01-13 2016-01-13 A hand pallet truck for transport to disposal the drums of radioactive wastes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020160004129A KR101627276B1 (en) 2016-01-13 2016-01-13 A hand pallet truck for transport to disposal the drums of radioactive wastes

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KR101627276B1 true KR101627276B1 (en) 2016-06-03

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107914752A (en) * 2017-11-29 2018-04-17 河南科技大学 It is a kind of being capable of the conveying arrangement got out of a predicament or an embarrassing situation of damping
CN109703611A (en) * 2019-01-02 2019-05-03 江苏核电有限公司 A kind of hydraulic cross-country nuclear leve equipment conveying vehicle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH072115A (en) * 1993-06-21 1995-01-06 Hitachi Ltd Carrying truck having elevating mechanism
JP2000514183A (en) * 1996-07-03 2000-10-24 アドバンスト・リサーチ・アンド・アプリケーションズ・コーポレイション Straddle inspection system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH072115A (en) * 1993-06-21 1995-01-06 Hitachi Ltd Carrying truck having elevating mechanism
JP2000514183A (en) * 1996-07-03 2000-10-24 アドバンスト・リサーチ・アンド・アプリケーションズ・コーポレイション Straddle inspection system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107914752A (en) * 2017-11-29 2018-04-17 河南科技大学 It is a kind of being capable of the conveying arrangement got out of a predicament or an embarrassing situation of damping
CN109703611A (en) * 2019-01-02 2019-05-03 江苏核电有限公司 A kind of hydraulic cross-country nuclear leve equipment conveying vehicle

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