阅读说明：本技术 一种用于放射性废物包装箱的可变吊具 (Variable lifting appliance for radioactive waste packaging box ) 是由 帅涛 徐江 章航洲 孙圣权 李振臣 李文钰 王小兵 赵鑫 王冲 骆枫 严佳兵 于 2021-07-22 设计创作，主要内容包括：本发明公开了一种用于放射性废物包装箱的可变吊具,包括主梁、副梁、支梁、第一调节机构,第一调节机构包括丝杆、第一旋转手轮、螺套、转动换向组件,主梁内设置有第一容纳腔,副梁、丝杆的一端均位于第一容纳腔的内部,副梁、丝杆的另一端均连接支梁,主梁外部设置第一旋转手轮,第一旋转手轮的轮柄插入到第一容纳腔内,丝杆的外部套设螺套,轮柄与螺套之间连接转动换向组件,第一容纳腔内还设有固定件,固定件转动连接螺套,形成轮柄转动带动螺套转动、使丝杆直线移动的结构,支梁上设有吊钩。通过调节机构带动位于主梁两侧的支梁移动,进而调整吊钩间距,改变主梁方向的长度,适应废物包装箱的尺寸要求。(The invention discloses a variable lifting appliance for a radioactive waste packaging box, which comprises a main beam, a secondary beam, a supporting beam and a first adjusting mechanism, wherein the first adjusting mechanism comprises a lead screw, a first rotating hand wheel, a screw sleeve and a rotating reversing component, a first accommodating cavity is arranged in the main beam, one end of the secondary beam and one end of the lead screw are both positioned in the first accommodating cavity, the other end of the secondary beam and the other end of the lead screw are both connected with the supporting beam, the first rotating hand wheel is arranged outside the main beam, a wheel handle of the first rotating hand wheel is inserted into the first accommodating cavity, the screw sleeve is sleeved outside the lead screw, the rotating reversing component is connected between the wheel handle and the screw sleeve, a fixing part is also arranged in the first accommodating cavity, the fixing part is rotatably connected with the screw sleeve to form a structure that the wheel handle rotates to drive the screw sleeve to rotate and enable the lead screw to move linearly, and a lifting hook is arranged on the supporting beam. The supporting beams on the two sides of the main beam are driven to move through the adjusting mechanism, so that the distance between the lifting hooks is adjusted, the length of the main beam is changed, and the size requirement of the waste packing box is met.)

1. A variable lifting appliance for a radioactive waste packaging box is characterized by comprising a main beam (1), an auxiliary beam (2), a supporting beam (3) and a first adjusting mechanism, wherein the first adjusting mechanism comprises a lead screw (401), a first rotating hand wheel (402), a threaded sleeve (403) and a rotating reversing assembly (404), a first accommodating cavity (5) is formed in the main beam (1), one end of the auxiliary beam (2) and one end of the lead screw (401) are respectively positioned in the first accommodating cavity (5), the other end of the auxiliary beam (2) and the other end of the lead screw (401) are respectively connected with the supporting beam (3), the first rotating hand wheel (402) is arranged outside the main beam (1), a wheel handle of the first rotating hand wheel (402) is inserted into the first accommodating cavity (5), the threaded sleeve (403) is sleeved outside the lead screw (401), the rotating reversing assembly (404) is connected between the wheel handle and the threaded sleeve (403), a fixing piece is further arranged in the first accommodating cavity (5), the fixing piece is connected with the threaded sleeve (403) in a rotating mode to form a structure that the wheel handle rotates to drive the threaded sleeve (403) to rotate and enable the screw rod (401) to move linearly, and the supporting beam (3) is provided with a lifting hook (6).

2. Variable sling for radioactive waste packaging containers, according to claim 1, characterised in that the secondary beams (2) are arranged four and on either side of the main beam (1), in that the first adjustment means are arranged in two groups and on either side of the main beam (1), and in that each first adjustment means is located between two corresponding secondary beams (2).

3. Variable sling for radioactive waste packaging containers according to claim 2, characterised in that four secondary beams (2) are staggered one after the other on both sides of the primary beam (1).

4. The variable lifting appliance for the radioactive waste packaging box according to claim 1, wherein the support beam (3) is provided with a moving beam (7) and a second accommodating cavity (8) penetrating through the moving beam (7), the end of the moving beam (7) is provided with a fixing plate (10), the variable lifting appliance further comprises a second adjusting mechanism, the second adjusting mechanism comprises a second rotating hand wheel (901), a rack and pinion assembly (902) and a moving rod (903), the rack and pinion assembly (902) is located inside the second accommodating cavity (8), each rack is fixedly connected with the moving rod (903), each moving rod (903) is fixedly arranged on the moving beam (7), the end of each moving beam (7) and the end of each moving rod (903) are connected with the fixing plate (10), a wheel handle of the second rotating hand wheel (901) is inserted into the second accommodating cavity (8) and matched with the rack and pinion assembly (902), and a second rotating hand wheel (901) is formed to drive the gears to rotate, A structure for driving the movable rod (903) to move, and the hook (6) is fixed on the fixed plate (10).

5. The variable sling for radioactive waste packaging containers according to claim 4, wherein two movable beams (7) are arranged on each supporting beam (3), the two movable beams (7) are symmetrically arranged at two ends of the supporting beam (3), and a structure that the second rotating hand wheel (901) rotates to drive the two movable beams (7) corresponding to the second rotating hand wheel to move towards or away from each other is formed.

6. Variable sling for radioactive waste packaging containers, according to claim 1, characterised in that the main beam (1) is equipped with self-locking means (11) fixed thereto, for detachable fixed connection to the hook of the crane.

Technical Field

The invention relates to the technical field of radioactive waste treatment, in particular to a variable lifting appliance for a radioactive waste packing box.

Background

Along with the development of the decommissioning project of the radioactive nuclear facilities, metal waste, miscellaneous waste and combustible waste generated in the decommissioning process are subjected to centralized classification, then are put into a radioactive waste packing box and are sent to a temporary storage for temporary storage, and finally are sent to a disposal plant for treatment and disposal through external transportation.

Earlier stage staff stacks the in-process at the wastes material packing box, does not carry out reasonable pile according to type, the size of packing box, and the packing box is stacked the confusion, and staff need frequently change the hoist according to not unidimensional packing box when leading to the later stage to transport, deposit. And the staff usually faces the risk of climbing and hanging the rope, climbing and falling in the process of hoisting and replacing the lifting appliance.

Based on this, the present patent application is proposed.

Disclosure of Invention

The invention aims to solve the technical problems that in the process of transferring and storing radioactive waste packing boxes, a lifting appliance needs to be frequently replaced according to the sizes of the waste packing boxes, time and labor are wasted, and workers have falling risks.

The invention is realized by the following technical scheme:

the utility model provides a variable hoist for radioactive waste packing box, including the girder, the auxiliary girder, the strutbeam, a regulating mechanism includes the lead screw, first rotatory hand wheel, the swivel nut, the switching-over subassembly rotates, be provided with first chamber that holds in the girder, the auxiliary girder, the one end of lead screw all is located the first inside that holds the chamber, the auxiliary girder, the strutbeam is all connected to the other end of lead screw, the girder outside sets up first rotatory hand wheel, the wheel handle of first rotatory hand wheel inserts first intracavity that holds, the swivel nut is established to the outside cover of lead screw, it rotates the switching-over subassembly to be connected between wheel handle and the swivel nut, first intracavity that holds still is equipped with the mounting, the swivel nut is connected in the mounting rotation, it drives the swivel nut rotation to form the wheel handle rotation, make the structure of lead screw linear movement, be equipped with the lifting hook on the strutbeam.

Preferably, the auxiliary beams are four and located on two sides of the main beam, the first adjusting mechanisms are two groups and located on two sides of the main beam, and each first adjusting mechanism is located between two corresponding auxiliary beams.

Preferably, four secondary beams are distributed on two sides of the main beam in a staggered mode in sequence.

Preferably, the cavity is held to the second that is equipped with the walking beam on the strutbeam and runs through, and the tip of walking beam is equipped with the fixed plate, still includes second adjustment mechanism, and second adjustment mechanism includes the rotatory hand wheel of second, rack and pinion structure, carriage release lever, and rack and pinion structure is located the second and holds intracavity portion, and each rack fixed connection carriage release lever, each carriage release lever are fixed to be set up on the walking beam, and the tip of each walking beam, carriage release lever all connects the fixed plate, the wheel handle of the rotatory hand wheel of second insert the second hold the intracavity and with rack and pinion structure cooperation, form the rotatory hand wheel of second and rotate drive the structure that the gear rotated, drove the carriage release lever and remove, the lifting hook is fixed on the fixed plate.

Preferably, each support beam is provided with two movable beams, the two movable beams are symmetrically arranged at two ends of the support beam, and a structure that the second rotating hand wheel rotates to drive the two movable beams corresponding to the second rotating hand wheel to move in the opposite direction or in the opposite direction is formed.

Preferably, a self-locking mechanism is fixedly arranged on the main beam and is used for being detachably and fixedly connected with a hook of a crane.

Compared with the prior art, the invention has the following advantages and beneficial effects:

(1) according to the variable lifting appliance for the radioactive waste packaging box, provided by the embodiment of the invention, the main beam is provided with the auxiliary beam, the supporting beam is provided with the lifting hook, the first adjusting mechanism is arranged, the first rotating hand wheel is rotated to rotate the screw sleeve through rotating the reversing assembly, so that the screw rod moves linearly, the supporting beam is driven to move, the distance between the lifting hooks is adjusted, the length of the main beam in the length direction is changed, and the length size requirement of the radioactive waste packaging box is met.

(2) The embodiment of the invention provides a variable lifting appliance for a radioactive waste packing box, which is provided with a plurality of auxiliary beams which are symmetrically distributed on two sides of a main beam, so that the bearing capacity of the whole device is improved.

(3) According to the variable lifting appliance for the radioactive waste packaging box, the movable beams are arranged on the supporting beams, the second adjusting mechanism is arranged, the second rotating hand wheel is rotated to drive the gear rack to act, and then the movable rods are driven to move, so that the movable beams on the supporting beams move oppositely or oppositely, the distance between the lifting hooks is adjusted, the length of the supporting beams in the width direction is changed, and the width size requirement of the radioactive waste packaging box is met.

Drawings

In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort. In the drawings:

FIG. 1 is a front view of an embodiment of the present invention;

FIG. 2 is a top view of an embodiment of the present invention.

Reference numbers and corresponding part names in the drawings:

1-main beam, 2-auxiliary beam, 3-supporting beam, 401 screw mandrel, 402-first rotating hand wheel, 403-threaded sleeve, 404-rotating reversing component, 5-first accommodating cavity, 6-lifting hook, 7-moving beam, 8-second accommodating cavity, 901-second rotating hand wheel, 902-rack and pinion component, 903-moving rod, 10 fixing plate and 11-self-locking mechanism.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.

Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the scope of the present invention.

Examples

The utility model provides a variable hoist for radioactive waste packing box, includes girder 1, auxiliary girder 2, corbel 3, a regulating mechanism, and a regulating mechanism includes lead screw 401, first rotatory hand wheel 402, swivel nut 403, rotates switching-over subassembly 404, has seted up in girder 1 and has held the chamber 5 with the first of outside intercommunication, and auxiliary girder 2, lead screw 401's one end all are located the first inside that holds chamber 5. The auxiliary beams 2 may be arranged in pairs, for example, two auxiliary beams 2 may be arranged on two sides of the main beam 1, or four auxiliary beams 2 may be arranged, and every two auxiliary beams are arranged at two ends of the main beam 1 as a group, in this embodiment, four auxiliary beams 2 are preferably arranged, two lead screws 401 are arranged on two sides of the main beam 1, and each lead screw 401 is arranged in the middle of two auxiliary beams 2 on the corresponding side. Correspondingly, two first adjusting mechanisms are arranged. The first chamber 5 that holds can set up four, also can set up three, and each first chamber 5 that holds all runs through girder 1, when setting up threely, is located two first chamber 5 that hold of girder 1 tip and supplies the auxiliary girder 2 that is located both ends to provide the passageway, is located the first chamber 5 that holds in girder 1 middle part and supplies two lead screws 401, the removal that is located two auxiliary girders 2 in middle part to provide the passageway.

Two first rotating handwheels 402 are arranged outside the main beam 1, the wheel handles of the first rotating handwheels 402 are vertically inserted into the first accommodating cavity 5, and the first rotating handwheels 402 are fixedly connected with the main beam 1, and the first rotating handwheels 402 can be fixedly connected with the main beam 1 by adopting bearings. The screw sleeves 403 are sleeved outside the screw rods 401, the screw sleeves 403 are in threaded fit with the screw rods 401, the rotation reversing assembly 404 is connected between the wheel handle of the first rotating handwheel 402 and the screw sleeves 403, the rotation reversing assembly 404 is used for realizing rotation and reversing, specifically, the wheel handle of the first rotating handwheel 402 is arranged perpendicular to the main beam 1, and the planes of the screw rods 401, the secondary beam 2 and the screw sleeves 403 are all parallel to the plane of the main beam 1, so that in order to enable the first rotating handwheel 402 to rotate to drive the screw sleeves 403 to rotate, the rotation and the reversing between the screw sleeves 403 and the wheel handle are required to be realized, and the rotation of the wheel handle is transmitted and converted into the rotation of the screw sleeves 403 in the direction perpendicular to the wheel handle by rotating the reversing assembly 404. The rotation reversing assembly 404 may be implemented by known techniques, such as by using two meshed bevel gears to connect the wheel shank and the threaded sleeve 403, or by using other conventional rotation reversing assemblies 404.

Still fixedly being equipped with the mounting in the first chamber 5 that holds, swivel nut 403 is connected in the mounting rotation, and the specific structure of mounting is not fixed structure, can set up as required, as long as can satisfy be located first hold chamber 5 fixed and can with swivel nut 403 normal running fit with girder 1 to it can not pass swivel nut 403 yet to influence lead screw 401. Taking a specific structure as an example, a bearing may be sleeved outside the threaded sleeve 403, and the outside of the bearing is connected to the rod bodies, and the two rod bodies are fixedly connected to the side wall of the first accommodating cavity 5. Therefore, the first rotating hand wheel 402 rotates to drive the two bevel gears to rotate, and further drives the threaded sleeve 403 to rotate, and due to the fixed position of the threaded sleeve 403, the threaded sleeve 403 rotates to enable the screw rod 401 matched with the threaded sleeve 403 to move linearly, so that the support beams 3 at two ends connected with the screw rod 401 are driven to move, and the auxiliary beam 2 also moves along with the support beams. The hook 6 on the corbel 3 also moves. The rotating direction of the first rotating handwheel 402 is changed as required to adjust the two support beams 3 to be close to or far away from each other, and then the distance between the lifting hooks 6 is adjusted to adapt to the size of the packing box.

Four auxiliary girders 2 distribute in proper order crisscross in the both sides of girder 1, correspondingly four first hold chamber 5 crisscross seting up on girder 1, can not all produce the influence to other auxiliary girders 2 when each auxiliary girder 2 removes like this, and each auxiliary girder 2 removes not alternately in the removal track of self.

In one or more embodiments, a moving beam 7 is disposed on each corbel 3, preferably, one moving beam 7 is disposed at each of two ends of each corbel 3, a second accommodating cavity 8 is correspondingly formed in each corbel 3, and the second accommodating cavity 8 is parallel to a plane where the corresponding moving beam 7 is located. The second adjusting mechanism comprises a second rotating handwheel 901, a rack and pinion assembly 902 and a moving rod 903, the rack and pinion assembly 902 is positioned inside the second accommodating cavity 8, the rack and pinion is composed of racks and gears, each rack is meshed with the gear, one surface of each rack is fixedly connected with the moving rod 903, each moving rod 903 is fixedly arranged on the moving beam 7, the wheel handle of the second rotating handwheel 901 is perpendicular to the support beam 3 and inserted into the second accommodating cavity 8 and is matched with the rack and pinion assembly 902, the gear and the wheel handle of the second rotating handwheel 901 can be fixed, the racks positioned on two sides of each gear are meshed with the moving rod, so that the rotation of the second rotating handwheel 901 can drive the two racks matched with the gears on the second rotating handwheel to move linearly, and then drive the two moving rods 903 on each support beam 3 to be close to or far away, and further adjust the distance between the moving beams 7 on each support beam 3, and each shifting beam 7 is fixedly provided with a fixed plate 10, the shifting rod 903 is also fixedly connected with the fixed plate 10, and the lifting hook 6 is fixed on the fixed plate 10. For the stability of the movement of the rack and the moving rod 903, a guiding structure may be provided, and a guiding structure may be provided between the moving rod 903 and the second receiving cavity 8, which may adopt a conventional structure to perform a guiding function, and will not be described in detail herein.

The main beam 1 is fixedly provided with a self-locking mechanism 11, the self-locking mechanism 11 is positioned in the middle of the main beam 1, and when the lifting appliance is used, a hook of the crane is connected with the self-locking mechanism 11 and self-locked, so that the hook of the crane is detachably and fixedly connected with the lifting appliance. Specifically, the self-locking mechanism 11 is a detachable structure with a self-locking function, which is known and will not be described in detail herein.

In addition, in one or more embodiments, a lifting hook 6 adjusting mechanism is further provided, the lifting hook 6 adjusting mechanism is connected with each lifting hook 6, the lifting hook 6 adjusting mechanism is arranged on the fixing plate 10, when the manually adjusted length meets the requirement of the size of the waste packaging box, the lifting hook 6 is inserted into the corner keys of the four corners of the packaging box, the manual clamping pin for moving the lifting hook 6 adjusting mechanism is clamped into the corresponding clamping groove, so that the lifting hook 6 reaches a fixed locking working condition, the lifting hook 6 adjusting mechanism mainly aims at achieving the functions of clamping and fixing and locking by matching the lifting hook 6 with the corner keys of the packaging box, the specific structure can adopt a known technology, and detailed description is omitted.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.