A lifting device for high temperature gas cooled reactor graphite articles

Abstract

The utility model discloses a kind of lifting appliance for high temperature gas cooled reactor graphite product, including main hanger and vice hanger, the right end of main hanger is equipped with clamping groove, the left end of main hanger is equipped with cross bar, the upper portion of vice hanger is connected with the cross bar, the lower portion of vice hanger is equipped with clamping groove, the vice hanger is equipped with two, two The vice hanger is located at the front and rear sides of main hanger respectively.The utility model when needing to hoist graphite product with one hoisting hole, it can be hung by using lifting hook on main hanger to hoist graphite product;When needing to hoist graphite product with two hoisting holes, it can be hung by using hook on main hanger and one of vice hanger;When needing to hoist graphite product with three hoisting holes, it can be hung by using all, one lifting appliance can satisfy the use of multiple graphite products, low in cost, convenient to use.

Description

Technical Field

[0001] This utility model relates to the field of building equipment technology, and in particular to a lifting device for graphite products in high-temperature gas-cooled reactors. Background Technology

[0002] As a representative of fourth-generation nuclear reactor technology, the high-temperature gas-cooled reactor (HTGR) relies heavily on graphite components for safe operation. Graphite components form the main structure of the reactor core, including the reflector and internal components, and must operate stably for extended periods in a high-temperature environment of 750-1000℃.

[0003] However, there are hundreds of specifications and sizes of graphite products for high-temperature gas-cooled reactors. Different specifications of graphite products have different numbers of lifting holes, generally 1-3 lifting holes. Furthermore, for graphite products of different specifications with the same number of lifting holes, the positional relationship between the lifting holes is also different. Therefore, when lifting graphite products, each graphite product requires a corresponding lifting tool. There are dozens of types of lifting tools, which result in high purchase costs, difficult management, and high usage costs. Utility Model Content

[0004] To solve the above problems, the technical solution adopted by this utility model is as follows:

[0005] A lifting device for graphite products in a high-temperature gas-cooled reactor includes a main lifting frame and an auxiliary lifting frame. The right end of the main lifting frame is provided with a slot, and the left end of the main lifting frame is provided with a crossbar. The upper part of the auxiliary lifting frame is connected to the crossbar, and the lower part of the auxiliary lifting frame is provided with a slot. There are two auxiliary lifting frames, which are located on the front and rear sides of the main lifting frame, respectively.

[0006] Furthermore, the main hanger has several lifting holes at both ends, with at least five lifting holes at each end.

[0007] Furthermore, the lifting hole is connected to a lifting ring via a lifting chain.

[0008] Furthermore, the slot is connected to a buckle, the buckle is connected to a hanging chain, and the other end of the hanging chain is connected to a hook.

[0009] Furthermore, the auxiliary hanger is provided with a connecting hole, the diameter of which is larger than the diameter of the crossbar. The crossbar is inserted into the connecting hole, and the outer wall of the crossbar is provided with external threads and is threadedly connected with a locking nut that is compatible with the auxiliary hanger.

[0010] The beneficial effects of this utility model are:

[0011] Since the number and position of the lifting holes on each type of graphite product are different, the left-right position of the hook can be adjusted by adjusting the position of the buckle; the front-back position of the hook can be adjusted by adjusting the position of the auxiliary hanger on the crossbar; and the vertical position of the hook can be adjusted by adjusting the length of the lifting chain connected to the buckle. Therefore, after connecting the hook on the main hanger to one of the lifting holes of the graphite product, the corresponding hook can be hooked into the other lifting hole by adjusting the position of the buckle, the position of the auxiliary hanger, and the length of the lifting chain, without replacing the lifting equipment. Attached Figure Description

[0012] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of the invention.

[0013] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a front view of the present invention;

[0015] Figure 2 This is a top view of the present invention;

[0016] Figure 3 for Figure 1 The AA's snap-lock view;

[0017] Figure 4 for Figure 1 The AA buckle opens to reveal the view.

[0018] In the picture

[0019] 1. Main hanger; 2. Secondary hanger; 3. Slot; 4. Crossbar; 5. Lifting hole; 6. Lifting chain; 7. Lifting ring; 8. Buckle; 801. Fixing pipe; 9. Lifting hook; 10. Locking nut. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the embodiments of this disclosure clearer, the technical solutions of the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this disclosure. All other embodiments obtained by those skilled in the art based on the described embodiments of this disclosure without creative effort are within the scope of protection of this disclosure.

[0021] Unless otherwise defined, the technical or scientific terms used in this disclosure shall have the ordinary meaning understood by one of ordinary skill in the art to which this disclosure pertains. The terms "first," "second," and similar terms used in this disclosure do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships, and these relative positional relationships may change accordingly when the absolute position of the described object changes.

[0022] refer to Figures 1-4 As shown, one embodiment of this utility model is as follows:

[0023] A lifting device for graphite products in a high-temperature gas-cooled reactor includes a main lifting frame 1 and an auxiliary lifting frame 2. The main lifting frame 1 is a long strip plate. A slot 3 is provided at the right end of the main lifting frame 1 along its length. A crossbar 4 is provided at the left end of the main lifting frame 1. The upper part of the auxiliary lifting frame 2 is connected to the crossbar 4. A slot 3 is provided at the lower part of the auxiliary lifting frame 2. There are two auxiliary lifting frames 2, which are located on the front and rear sides of the main lifting frame 1, respectively.

[0024] The length direction of the crossbar 4 is perpendicular to the length direction of the main hanger 1, and the center of the crossbar 4 in the length direction can be fixedly connected to the right end of the main hanger 1 in the length direction by existing methods such as welding or threaded connection.

[0025] like Figure 1 As shown, the upper part of the auxiliary hanger 2 is provided with a connecting hole, the diameter of which is greater than or equal to the diameter of the crossbar 4. The crossbar 4 is inserted into the connecting hole, and the outer wall of the crossbar 4 is provided with external threads, and a locking nut 10 adapted to the auxiliary hanger 2 is threadedly connected to it. When installing the auxiliary hanger 2 onto the crossbar 4, first screw one locking nut 10 into the appropriate position on the crossbar 4, then insert the auxiliary hanger 2 into the crossbar 4, so that the rear end face of the auxiliary hanger 2 fits against the locking nut 10, and finally screw another locking nut 10 onto the crossbar 4, so that the locking nut 10 fits against the front end face of the auxiliary hanger 2. The auxiliary hanger 2 is clamped and fixed onto the crossbar 4 by the two locking nuts 10.

[0026] When the auxiliary hanger 2 is under load, it may rotate around the crossbar 4 under the action of downward pull, affecting its normal operation. Therefore, in this utility model, there are two crossbars 4, which are arranged in parallel. One crossbar 4 is connected to the left end of the auxiliary hanger 2, and the other crossbar 4 is connected to the right end of the auxiliary hanger 2. The auxiliary hanger 2 is connected by two crossbars 4 to ensure the stability of the connection of the auxiliary hanger 2 and effectively prevent the auxiliary hanger 2 from rotating when under load.

[0027] To simultaneously accommodate graphite products of different specifications, two auxiliary lifting components 2 are provided. When lifting graphite products, the slot 3 of the main lifting component 1 is connected to a buckle 8, which is connected to a lifting chain 6. The other end of the lifting chain 6 is connected to a hook 9, which can be connected to one of the lifting holes of the graphite product. Similarly, the slot 3 of the auxiliary lifting component 2 is connected to a buckle 8, which is connected to a lifting chain 6. The other end of the lifting chain 6 is connected to a hook 9, which can also be connected to one of the lifting holes of the graphite product. Therefore, graphite products with 1-3 lifting holes can be lifted using one main lifting component 1 and two auxiliary lifting components 2.

[0028] To facilitate the hoisting of the main hanger 1, both the left and right ends of the main hanger 1 are provided with lifting holes 5, and lifting chains 6 are connected to the lifting holes 5. Lifting rings 7 are connected to the lifting chains 6. During hoisting, the lifting rings 7 are connected to the lifting hooks of existing lifting devices, such as gantry cranes or cranes, so that the main hanger 1, the auxiliary hanger 2 and the graphite products can be hoisted.

[0029] like Figure 1 As shown, each end of the main hanger 1 has at least five lifting holes 5. When hoisting graphite products of different specifications, the shape, weight, etc. of each graphite product are different, so their centers of gravity are also different. For example, the center of gravity of some graphite products after suspension is slightly to the left of the midpoint of the main hanger 1, some are directly opposite the midpoint of the main hanger 1, and some are slightly to the right. At this time, the position of the hanging chain 6 in the lifting hole 5 can be adjusted according to the actual situation of the graphite product to achieve the balance of the center of gravity when the graphite product is suspended. For example, for graphite products with the center of gravity slightly to the left, the left hanging chain 6 can be set in the lifting hole 5 far away from the midpoint of the main hanger 1, and the right hanging chain 6 can be set in the lifting hole 5 close to the midpoint of the main hanger 1. Since the length of the hanging chains 6 on both sides is the same, the position of the lifting ring 7 will be slightly to the left of the midpoint of the main hanger 1 and directly above the center of gravity of the graphite product. At this time, when the graphite product is suspended by the lifting ring 7, the balance of the center of gravity of the graphite product will be ensured.

[0030] The slot 3 is a long, multi-notch structure. When the buckle 8 is connected to the slot 3, the buckle 8 connects to one of the notches. The position of the buckle 8 can be adjusted by installing it in different notches. In this invention, since the number and positional relationship of the lifting holes on each specification of graphite product are different, the left-right position of the hook 9 can be adjusted by adjusting the position of the buckle 8; the front-back position of the hook 9 can be adjusted by adjusting the position of the auxiliary hanger 2 on the crossbar 4; and the up-down position of the hook 9 can be adjusted by adjusting the length of the chain 6 connected to the buckle 8. Therefore, for graphite products with multiple lifting holes, after connecting the hook 9 on the main hanger 1 to one of the lifting holes of the graphite product, the corresponding hook 9 can be hooked into another lifting hole by adjusting the position of the buckle 8, the position of the auxiliary hanger 2, and the length of the chain 6, without replacing the lifting device.

[0031] In this utility model, when it is necessary to hoist a graphite product with one hoisting hole, the hook 9 on the main hanger 1 can be used to hoist the graphite product; when it is necessary to hoist a graphite product with two hoisting holes, the hook 9 on the main hanger 1 and one of the auxiliary hangers 2 can be used; when it is necessary to hoist a graphite product with three hoisting holes, all of them can be used.

[0032] like Figure 3 and Figure 4 As shown, the buckle 8 is a C-shaped buckle with external threads at both ends of its C-shaped opening, and a fixing tube 801 is threaded onto it. The length of the fixing tube 801 is greater than the length of the C-shaped opening. When the buckle 8 needs to be fixed in the recess, both ends of the fixing tube 801 are connected to the corresponding ends to form a closed opening. When the position of the buckle 8 needs to be adjusted, the fixing tube 801 is rotated to open the closed opening, and the buckle 8 can move out of the recess.

[0033] The following points need to be explained:

[0034] (1) Unless otherwise defined, the same reference numerals in the embodiments and drawings of this disclosure have the same meaning.

[0035] (2) The accompanying drawings of the embodiments of this disclosure only involve the structures involved in the embodiments of this disclosure. Other structures can be referred to the general design.

[0036] (3) For clarity, components or areas are enlarged in the drawings used to describe embodiments of the present disclosure. It will be understood that when an element is referred to as being “above” or “below” another element, the element may be “directly” located “above” or “below” the other element, or there may be an intermediate element.

[0037] The above description is merely a specific embodiment of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

Claims

1. A lifting device for graphite products in high-temperature gas-cooled reactors, characterized in that: It includes a main hanger (1) and a secondary hanger (2). The right end of the main hanger (1) is provided with a slot (3) and the left end of the main hanger (1) is provided with a crossbar (4). The upper part of the secondary hanger (2) is connected to the crossbar (4) and the lower part of the secondary hanger (2) is provided with a slot (3). There are two secondary hangers (2), and the two secondary hangers (2) are located on the front and rear sides of the main hanger (1) respectively.

2. A lifting device for graphite products in a high-temperature gas-cooled reactor according to claim 1, characterized in that: The main hanger (1) has several hanging holes (5) at both ends, with at least five hanging holes (5) at each end.

3. A lifting device for graphite products in a high-temperature gas-cooled reactor according to claim 2, characterized in that: The lifting hole (5) is connected to a lifting ring (7) via a lifting chain (6).

4. A lifting device for graphite products in a high-temperature gas-cooled reactor according to claim 2, characterized in that: The slot (3) is connected to a buckle (8), the buckle (8) is connected to a hanging chain (6), and the other end of the hanging chain (6) is connected to a hook (9).

5. A lifting device for graphite products in a high-temperature gas-cooled reactor according to claim 4, characterized in that: The auxiliary hanger (2) is provided with a connecting hole, the diameter of which is larger than the diameter of the crossbar (4). The crossbar (4) is inserted into the connecting hole. The outer wall of the crossbar (4) is provided with an external thread and is threaded with a locking nut (10) that is compatible with the auxiliary hanger (2).

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