Transfer device and system for ring main unit gas tank

Abstract

The utility model relates to a transfer device and system for a ring main unit gas tank. The transfer device for the ring main unit gas tank comprises a supporting frame, two universal wheel assemblies, two moving wheel assemblies, a first blocking part and a second blocking part. The transfer system of the ring main unit gas tank comprises a plurality of transfer devices of the ring main unit gas tank. According to the transfer device for the ring main unit gas tank, the placement holes are formed in the supporting frame to fix the protrusions at the bottom of the ring main unit gas tank, and the ring main unit gas tank is prevented from rolling over through the first blocking part and the second blocking part, so that the stability and safety of the ring main unit gas tank in the transfer process are improved; and meanwhile, through detachable connection of the first traction assembly and the second traction assembly, the transfer devices of the multiple ring main unit gas tanks are sequentially connected, so that the ring main unit gas tanks on the transfer devices of the multiple ring main unit gas tanks can be sequentially transferred, and the transfer efficiency is further improved.

Description

Technical Field

[0001] This application relates to the field of transportation equipment technology, and in particular to a transfer device and system for a ring main unit air box. Background Technology

[0002] The existing ring main unit (RMN) gas boxes are transported via pallets after welding. However, due to the protrusions on the bottom of the RMN gas boxes, their shape is uneven, so they are generally placed on their sides. During assembly, the RMN gas boxes need to be uprighted again, making it difficult to control their stability. When placed on their sides, the center of gravity of the gas box is biased to one side, making it prone to tipping over during transport, resulting in poor safety. Prolonged side-lying can also cause localized deformation of the gas box, especially at the stress-bearing studs. Furthermore, pallet transport is inefficient, transporting only one RMN gas box at a time. Utility Model Content

[0003] Therefore, it is necessary to provide a transfer device and system for ring main unit gas boxes, which addresses the problems of poor safety, laborious transfer, and low efficiency of existing pallet transfer methods for ring main unit gas boxes.

[0004] A transfer device for a ring main unit gas box, wherein the bottom of the ring main unit gas box has a protrusion, and the transfer device for the ring main unit gas box includes:

[0005] The support frame has multiple placement holes along a first direction, the placement holes being used to place the protrusion;

[0006] Two caster wheel assemblies, each caster wheel assembly including a plurality of caster wheels spaced apart along a third direction, the two caster wheel assemblies being located on both sides of the support frame in a second direction, the caster wheels being rotatably connected to the support frame;

[0007] Two movable wheel assemblies are respectively connected to both sides of the support frame in a second direction, and each movable wheel assembly includes a plurality of movable wheels arranged at intervals along the third direction;

[0008] The first blocking part and the second blocking part are both located on the side of the support frame away from the universal wheel assembly and the movable wheel assembly along the first direction, and the first blocking part and the second blocking part are respectively connected to the two sides of the support frame in the second direction.

[0009] The first direction is a vertical direction, and the first direction, the second direction, and the third direction are perpendicular to each other.

[0010] In actual use, the aforementioned ring main unit gas box transfer device has multiple placement holes along the first direction on the support frame. Therefore, when the ring main unit gas box is large, one ring main unit gas box can be placed between the first and second blocking parts, and the protrusion at the bottom of the ring main unit gas box can be placed in the placement hole. This allows the ring main unit gas box to be lifted out of the transfer device, thus limiting the position of the ring main unit gas box. If the ring main unit gas box is small, multiple ring main unit gas boxes can be matched one-to-one with multiple placement holes. The protrusion at the bottom of the ring main unit gas box can be placed in one of the placement holes, and the multiple ring main unit gas boxes can be arranged neatly. This allows the ring main unit gas box to be placed stably while multiple ring main unit gas boxes can be placed on one ring main unit gas box transfer device. Then, the direction is controlled by the universal wheel assembly. The support frame is moved by the moving wheel assembly and the universal wheel assembly, which in turn moves the ring main unit gas box placed on the support frame. The aforementioned ring main unit gas box transfer device improves the stability and safety of the ring main unit gas box transfer process and increases the transfer efficiency by opening placement holes on the support frame to fix the protrusion at the bottom of the ring main unit gas box, and by using the first and second blocking parts to prevent the ring main unit gas box from tipping over.

[0011] In one embodiment, the transfer device for the ring main unit air box further includes a first traction component and a second traction component;

[0012] The support frame is connected to the first traction component and the second traction component at both ends along the third direction, respectively.

[0013] The end of the first traction component away from the support frame is detachably connected to the end of the second traction component of the adjacent ring main unit gas box transfer device away from the corresponding support frame.

[0014] In one embodiment, the first traction assembly includes a first connecting portion and an elastic portion, and the second traction assembly includes a second connecting portion and a connecting ring;

[0015] One end of the first connecting part is connected to the support frame, and the other end has a protrusion that protrudes in a third direction;

[0016] One end of the elastic part is connected to the support frame, and the other end elastically abuts against the end of the protrusion that is away from the first connecting part.

[0017] One end of the second connecting part is connected to the support frame, and the other end is connected to the connecting ring. The connecting ring is used to engage or disengage between the first connecting part and the elastic part of the transfer device of the adjacent ring network cabinet air box.

[0018] In one embodiment, the second traction assembly further includes a third connecting portion and a pin. One end of the third connecting portion is connected to the support frame, and the pin passes through the third connecting portion and the second connecting portion. The second connecting portion and the third connecting portion are rotatably connected about the axis of the pin.

[0019] In one embodiment, the second traction assembly further includes two of the third connecting portions and two of the pins; the second connecting portion includes a first rod, a second rod, and a connecting rod;

[0020] One end of the first rod is connected to the connecting ring, and the other end is rotatably connected to one of the third connecting parts via a corresponding pin.

[0021] One end of the second rod is connected to the connecting ring, and the other end is rotatably connected to another third connecting part via a corresponding pin.

[0022] The two ends of the connecting rod are connected at an angle to the first rod and the second rod, respectively.

[0023] In one embodiment, the angle between the second connecting portion and the support frame is 90°-180°.

[0024] In one embodiment, the support frame includes a support frame, a first beam, and a plurality of second beams;

[0025] The two ends of the first beam are respectively connected to the two sides of the support frame along the second direction;

[0026] Multiple second beams are arranged at intervals along the second direction, and the two ends of the second beams are respectively connected to the two sides of the support frame along the third direction;

[0027] The first beam and a plurality of second beams divide the support frame into a plurality of placement holes.

[0028] In one embodiment, the omnidirectional wheel includes a rotating part and a first wheel, and the movable wheel includes a fixed part and a second wheel;

[0029] One end of the rotating part is rotatably connected to the side of the support frame away from the first blocking part, and the first wheel is rotatably connected to the rotating part about an axis perpendicular to the first direction.

[0030] One end of the fixed part is connected to the side of the support frame away from the first blocking part, and the second wheel is rotatably connected to the rotating part about an axis perpendicular to the first direction.

[0031] In one embodiment, a set of the omnidirectional wheel assemblies includes two omnidirectional wheels, and a set of the movable wheel assemblies includes one movable wheel. The two omnidirectional wheels are located on both sides of the movable wheel along the third direction, and the movable wheel is located at the midpoint of the two omnidirectional wheels along the third direction.

[0032] An embodiment of this application also provides a transfer system for a ring main unit air box, the transfer system for the ring main unit air box including a plurality of transfer devices for the ring main unit air box;

[0033] The transfer device for the adjacent ring main unit air box is connected through the first traction component and the second traction component.

[0034] In actual use, the aforementioned ring main unit gas box transfer device has multiple placement holes along the first direction on the support frame. Therefore, when the ring main unit gas box is large, one ring main unit gas box can be placed between the first and second blocking parts, and the protrusion at the bottom of the ring main unit gas box can be placed in the placement hole. This allows the ring main unit gas box to be lifted out of the transfer device, thus limiting the position of the ring main unit gas box. If the ring main unit gas box is small, multiple ring main unit gas boxes can be matched one-to-one with multiple placement holes. The protrusion at the bottom of the ring main unit gas box can be placed in one of the placement holes, and the multiple ring main unit gas boxes can be arranged neatly. This allows the ring main unit gas box to be placed stably while multiple ring main unit gas boxes can be placed on one ring main unit gas box transfer device. Then, the direction is controlled by the universal wheel assembly. The support frame is moved by the moving wheel assembly and the universal wheel assembly, which in turn moves the ring main unit gas box placed on the support frame. The aforementioned ring main unit gas box transfer device improves the stability and safety of the transfer process by fixing the protrusion at the bottom of the ring main unit gas box through placement holes on the support frame and preventing the ring main unit gas box from tipping over through the first and second blocking parts. At the same time, the first and second traction components are detachably connected to connect multiple ring main unit gas box transfer devices in sequence, so that the ring main unit gas boxes on the transfer devices can be transferred sequentially, thereby further improving the transfer efficiency. Attached Figure Description

[0035] Figure 1 This is a schematic diagram of a transfer device for the gas box of a ring main unit according to one embodiment.

[0036] Figure 2 for Figure 1 Enlarged view of the first traction component.

[0037] Figure 3 for Figure 1 A diagram from another perspective.

[0038] Figure 4 for Figure 1 Top view of the central support frame.

[0039] Figure 5 for Figure 1 Top view of the second traction component.

[0040] Figure 6 for Figure 1 Enlarged view of the center caster wheel assembly.

[0041] Figure 7 for Figure 1 Enlarged view of the moving wheel assembly.

[0042] Explanation of icon numbers:

[0043] 100-Transfer device for the gas box of the ring main unit;

[0044] 110-Support frame; 111-Placement hole; 112-Support frame; 113-First beam; 114-Second beam;

[0045] 120 - Caster wheel assembly; 121 - Rotating part; 122 - First wheel;

[0046] 130 - Moving wheel assembly; 131 - Fixing part; 132 - Second wheel;

[0047] 140 - First blocking part; 141 - First support rod; 142 - Second support rod;

[0048] 150 - Second blocking part; 151 - Third support rod;

[0049] 160 - First traction assembly; 161 - First connecting part; 162 - Elastic part; 163 - Protrusion;

[0050] 170 - Second traction assembly; 171 - Second connecting part; 172 - Connecting ring; 173 - Third connecting part; 174 - Pin; 175 - First rod; 176 - Second rod; 177 - Connecting rod;

[0051] 180-steel plate;

[0052] OX - First direction; OY - Second direction; OZ - Third direction. Detailed Implementation

[0053] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0054] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0055] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0056] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0057] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0058] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0059] See Figure 1 , Figure 1 A schematic diagram of the structure of a ring main unit gas box transfer device 100 according to an embodiment of this application is shown, wherein the bottom of the ring main unit gas box has a protrusion. The ring main unit gas box transfer device 100 provided in an embodiment of this application includes: a support frame 110, two sets of universal wheel assemblies 120, two sets of movable wheel assemblies 130, a first blocking part 140, and a second blocking part 150.

[0060] In the aforementioned ring main unit gas box transfer device 100, the support frame 110 has multiple placement holes 111 along the first direction OX. The placement holes 111 are used to place protrusions. (See reference...) Figure 4 Each caster wheel assembly 120 includes multiple casters spaced apart along a third direction OZ. Two caster wheel assemblies 120 are located on opposite sides of the support frame 110 in a second direction OY, and the casters are rotatably connected to the support frame about an axis in a first direction. Two movable wheel assemblies 130 are connected to opposite sides of the support frame 110 in the second direction OY, and each movable wheel assembly 130 includes multiple movable wheels spaced apart along a third direction OZ. A first blocking portion 140 and a second blocking portion 150 are both located on the side of the support frame 110 along the first direction OX away from the caster wheel assembly 120 and the movable wheel assembly 130, and are connected to opposite sides of the support frame 110 in the second direction OY. The first direction OX is vertical, and the first direction OX, the second direction OY, and the third direction OZ are all perpendicular to each other.

[0061] In actual use, the aforementioned ring main unit gas box transfer device 100, because the support frame 110 has multiple placement holes 111 along the first direction OX, allows a ring main unit gas box to be placed between the first blocking part 140 and the second blocking part 150 when the ring main unit gas box is large. The protrusion at the bottom of the gas box is then placed within the placement hole 111, ensuring that the gas box can only be lifted out of the transfer device 100, thus limiting its movement. If the ring main unit gas box is small, then… Multiple ring main unit (RNB) gas boxes can be matched one-to-one with multiple placement holes 111. The protrusions on the bottom of the RNB gas boxes are placed into the corresponding placement holes 111, and the multiple RNB gas boxes are arranged neatly. This ensures stable placement of the RNB gas boxes while allowing multiple RNB gas boxes to be placed on a single RNB gas box transfer device 100. The direction is then controlled by the caster assembly 120, and the support frame 110 is moved by the moving wheel assembly 130 and the caster assembly 120, thereby moving the RNB gas boxes placed on the support frame 110. The aforementioned RNB gas box transfer device 100 uses placement holes 111 on the support frame 110 to fix the protrusions on the bottom of the RNB gas boxes, and uses a first blocking part 140 and a second blocking part 150 to prevent the RNB gas boxes from tipping over, thereby improving the stability and safety of the RNB gas box transfer process and increasing the transfer efficiency.

[0062] See Figure 1 , Figure 2 , Figure 3 as well as Figure 5 In one embodiment, the ring main unit gas box transfer device 100 further includes a first traction component 160 and a second traction component 170. The two ends of the support frame 110 along the third direction OZ are respectively connected to the first traction component 160 and the second traction component 170. One end of the first traction component 160 facing away from the support frame 110 is detachably connected to the other end of the second traction component 170 of an adjacent ring main unit gas box transfer device 100 facing away from the corresponding support frame 110. In this embodiment, the first traction component 160 and the second traction component 170 can be detachably connected to sequentially connect multiple ring main unit gas box transfer devices 100, thereby enabling the sequential transfer of ring main unit gas boxes on multiple ring main unit gas box transfer devices 100, further improving transfer efficiency.

[0063] See Figure 2In one embodiment, the first traction assembly 160 includes a first connecting portion 161 and an elastic portion 162, and the second traction assembly 170 includes a second connecting portion 171 and a connecting ring 172. One end of the first connecting portion 161 is connected to the support frame 110, and the other end has a protrusion 163 protruding in a third direction OZ. One end of the elastic portion 162 is connected to the support frame 110, and the other end elastically abuts against the end of the protrusion 163 opposite to the first connecting portion 161. One end of the second connecting portion 171 is connected to the support frame 110, and the other end is connected to the connecting ring 172. The connecting ring 172 is used to engage or disengage between the first connecting portion 161 and the elastic portion 162 of the transfer device 100 for the adjacent ring main unit gas box. In this embodiment, the connecting ring 172 abuts against the elastic part 162 and deforms the elastic part 162, thereby causing the connecting ring 172 to be inserted between the first connecting part 161 and the elastic part 162 of the transfer device 100 of another ring main unit gas box. At this time, the connecting ring 172 is sleeved on the outer periphery of the protrusion 163 under the action of gravity and abuts against the second connecting part 171. Thus, the abutment between the protrusion 163 and the connecting ring 172 prevents the second traction component 170 from coming off the first traction component 160. If it is necessary to separate the second traction component 170 from the first traction component 160, the connecting ring 172 only needs to be separated from the first connecting part 161 and the elastic part 162 by the elastic deformation of the elastic part 162, thereby separating the second traction component 170 from the first traction component 160.

[0064] Specifically, the elastic part 162 and the first connecting part 161 form a snap-on spring buckle, which can be automatically locked or automatically opened by a control switch.

[0065] See Figure 3 and Figure 5 In one embodiment, the second traction assembly 170 further includes a third connecting part 173 and a pin 174. One end of the third connecting part 173 is connected to the support frame 110. The pin 174 passes through the third connecting part 173 and the second connecting part 171. The second connecting part 171 and the third connecting part 173 are rotatably connected around the axis of the pin 174, so that the operator can rotate the second connecting part 171 to a certain angle to raise the connecting ring 172 to the corresponding height, which makes it easier for the operator to grasp and pull the transfer device 100 of the entire ring main unit air box.

[0066] See Figure 3 and Figure 5In one embodiment, the second traction assembly 170 further includes two third connecting portions 173 and two pins 174. The second connecting portion 171 includes a first rod 175, a second rod 176, and a connecting rod 177. One end of the first rod 175 is connected to a connecting ring 172, and the other end is rotatably connected to one of the third connecting portions 173 via a corresponding pin 174. One end of the second rod 176 is connected to the connecting ring 172, and the other end is rotatably connected to the other third connecting portion 173 via a corresponding pin 174. Both ends of the connecting rod 177 are angularly connected to the first rod 175 and the second rod 176, respectively. Referring to the figure, the first rod 175, the second rod 176, and the connecting rod 177 form a triangular structure, thereby enabling the first rod 175 and the second rod 176 to drive the support frame 110 to move, and the connecting rod 177 acts as a reinforcing rod supporting the first rod 175 and the second rod 176, thereby improving traction stability.

[0067] In one embodiment, the angle between the second connecting part 171 and the support frame 110 is 90°-180°, that is, the second connecting part 171 can be rotated to extend along the first direction OX or to extend along the third direction OZ to adapt to various usage scenarios.

[0068] See Figure 1 , Figure 3 and Figure 4 In one embodiment, the support frame 110 includes a support frame 112, a first beam 113, and a plurality of second beams 114. The two ends of the first beam 113 are connected to both sides of the support frame 112 along a second direction OY. The plurality of second beams 114 are arranged at intervals along the second direction OY, and the two ends of the second beams 114 are connected to both sides of the support frame 112 along a third direction OZ. The first beam 113 and the plurality of second beams 114 divide the support frame 112 into a plurality of placement holes 111. This allows the placement holes 111 to be formed by the multiple beams, enabling the support frame 110 formed by the multiple beams to support the ring main unit gas box, and also ensuring that the placement holes 111 are large enough to accommodate the protrusions of various types of ring main unit gas boxes.

[0069] Specifically, the first blocking part 140 includes a first support rod 141 and two second support rods 142, and the second blocking part 150 includes a third support rod 151. The third support rod 151 extends along a third direction OZ and is disposed at one side of the support frame 112. The two second support rods 142 are connected to the other side of the support frame 112 and are spaced apart along the third direction OZ. The second support rods 142 extend along a first direction OX, and the ends of the two support rods away from the support frame 112 are respectively connected to the two ends of the first support rod 141.

[0070] Specifically, the first support rod 141, the second support rod 142, the third support rod 151, the support frame 112, the first beam 113, and multiple second beams 114 are all square steel tubes, fixed by welding and spliced ​​into the required structure to ensure support for the weight of the air box. The square steel tubes are 40mm in outer dimensions, 2mm in thickness, and made of Q235A steel. The lengths of the first support rod 141, the second support rod 142, the third support rod 151, the support frame 112, the first beam 113, and the multiple second beams 114 are set as needed and are not limited here.

[0071] Preferably, the transfer device 100 of the ring main unit air box includes a plurality of first blocking parts 140, which are arranged at OZ intervals along a third direction.

[0072] See Figure 6 and Figure 7 In one embodiment, the caster wheel includes a rotating part 121 and a first wheel 122, and the movable wheel includes a fixed part 131 and a second wheel 132. One end of the rotating part 121 is rotatably connected to the side of the support frame 110 opposite to the first blocking part 140, and the first wheel 122 is rotatably connected to the rotating part 121 about an axis perpendicular to the first direction OX. One end of the fixed part 131 is connected to the side of the support frame 110 opposite to the first blocking part 140, and the second wheel 132 is rotatably connected to the rotating part 121 about an axis perpendicular to the first direction OX. This allows the first wheel 122 to be rotatably connected about the first direction OX, thereby controlling the movement direction of the ring main unit gas box transfer device 100. The movable wheel assembly 130 and the caster wheel assembly 120 drive the support frame 110 to move, thereby driving the ring main unit gas box placed on the support frame 110 to move.

[0073] Specifically, the first wheel 122 and the second wheel 132 are both PU polyurethane silent wheels, and the rotating part 121 is rotatably connected to the support frame 110 through a bearing.

[0074] Specifically, a plurality of steel plates 180 are provided on the side of the support frame 110 opposite to the first blocking part 140. The end of the fixing part 131 opposite to the second wheel 132 is detachably connected to the steel plate 180, and the end of the rotating part 121 opposite to the first wheel is detachably connected to the steel plate 180. The steel plate 180 is 100×115mm in size, 10mm thick, and made of Q235A steel.

[0075] See Figure 1 and Figure 3In one embodiment, a caster wheel assembly 120 includes two caster wheels, and a movable wheel assembly 130 includes one movable wheel. The two caster wheels in the same caster wheel assembly 120 are located on opposite sides of the movable wheel along the third direction OZ, and the movable wheel is located at the midpoint of the two caster wheels along the third direction OZ. This facilitates steering while reducing the turning radius and improving steering capability.

[0076] Specifically, the support frame is first fixed to the steel plate 180 with studs, and then four casters are welded to the four corners of the support frame 110, and two directional casters are located at the center of the support frame 110 along the third direction OZ.

[0077] One embodiment of this application also provides a transfer system for a ring main unit gas box, the transfer system for the ring main unit gas box includes multiple transfer devices 100 for ring main unit gas boxes.

[0078] The transfer device 100 of the adjacent ring main unit gas box is connected through the first traction component 160 and the second traction component 170.

[0079] In actual use, the aforementioned ring main unit gas box transfer device 100, because the support frame 110 has multiple placement holes 111 along the first direction OX, allows a ring main unit gas box to be placed between the first blocking part 140 and the second blocking part 150 when the ring main unit gas box is large. The protrusion at the bottom of the gas box is then placed within the placement hole 111, ensuring that the gas box can only be lifted out of the transfer device 100, thus limiting its movement. If the ring main unit gas box is small, then... Multiple ring main unit gas boxes are matched one-to-one with multiple placement holes 111. The protrusion at the bottom of the ring main unit gas box is placed in one of the placement holes 111, and the multiple ring main unit gas boxes are arranged neatly. This allows the ring main unit gas boxes to be placed stably while multiple ring main unit gas boxes can be placed on a single ring main unit gas box transfer device 100. Then, the direction is controlled by the universal wheel assembly 120. The moving wheel assembly 130 and the universal wheel assembly 120 drive the support frame 110 to move, thereby driving the ring main unit gas boxes placed on the support frame 110 to move. The aforementioned ring main unit gas box transfer device 100 fixes the protrusion at the bottom of the ring main unit gas box by opening placement holes 111 on the support frame 110, and prevents the ring main unit gas box from tipping over by the first blocking part 140 and the second blocking part 150, thereby improving the stability and safety of the ring main unit gas box during the transfer process. At the same time, the first traction component 160 and the second traction component 170 are detachably connected, thereby connecting multiple ring main unit gas box transfer devices 100 in sequence, so that the ring main unit gas boxes on the transfer device 100 can be transferred in sequence, thereby further improving the transfer efficiency.

[0080] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0081] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A transfer device for a gas tank of a ring main unit, the gas tank of the ring main unit having a protrusion at a bottom thereof, characterized in that, The transfer device of the ring main unit gas tank comprises: A support frame having a plurality of placement holes opened along a first direction, the placement holes being used for placing the protrusions; Two universal wheel assemblies, each of the universal wheel assemblies comprising a plurality of universal wheels arranged along a third direction, the two universal wheel assemblies being located on two sides of the support frame along a second direction, the universal wheels being rotationally connected with the support frame; Two moving wheel assemblies connected with the two sides of the support frame along the second direction, each of the moving wheel assemblies comprising a plurality of moving wheels arranged along the third direction; A first blocking part and a second blocking part, the first blocking part and the second blocking part being located on a side of the support frame away from the universal wheel assemblies and the moving wheel assemblies along the first direction, the first blocking part and the second blocking part being connected with the two sides of the support frame along the second direction, respectively; The first direction is a vertical direction, and the first direction, the second direction and the third direction are perpendicular to each other.

2. The transfer device of the gas tank of the ring main unit according to claim 1, characterized in that, The transfer device of the ring main unit gas tank further comprises a first traction assembly and a second traction assembly; The two ends of the support frame along the third direction are connected with the first traction assembly and the second traction assembly, respectively; One end of the first traction assembly away from the support frame is used for detachably connecting with one end of the second traction assembly of the transfer device of the ring main unit gas tank adjacent to the first traction assembly away from the corresponding support frame.

3. The transfer device of the gas tank of the ring main unit according to claim 2, characterized in that, The first traction assembly comprises a first connecting part and an elastic part, and the second traction assembly comprises a second connecting part and a connecting ring; One end of the first connecting part is connected with the support frame, and the other end has a protruding part protruding along the third direction; One end of the elastic part is connected with the support frame, and the other end elastically abuts against one end of the protruding part away from the first connecting part; One end of the second connecting part is connected with the support frame, and the other end is connected with the connecting ring, the connecting ring being used for being clamped into or out of the first connecting part and the elastic part of the transfer device of the ring main unit gas tank adjacent to the first traction assembly.

4. The transfer device of the gas tank of the ring main unit according to claim 3, characterized in that, The second traction assembly further comprises a third connecting part and a pin shaft, one end of the third connecting part being connected with the support frame, the pin shaft being arranged in the third connecting part and the second connecting part, the second connecting part and the third connecting part being rotationally connected about an axis of the pin shaft.

5. The transfer device of the gas tank of the ring main unit according to claim 4, characterized in that, The second traction assembly further comprises two third connecting parts and two pin shafts; the second connecting part comprises a first rod, a second rod and a connecting rod; One end of the first rod is connected with the connecting ring, and the other end is rotationally connected with one of the third connecting parts through a corresponding pin shaft; One end of the second rod is connected with the connecting ring, and the other end is rotationally connected with the other third connecting part through a corresponding pin shaft; The two ends of the connecting rod are angularly connected with the first rod and the second rod, respectively.

6. The transfer device of the gas tank of the ring main unit according to claim 4, characterized in that, The angle between the second connecting part and the support frame is 90°-180°.

7. The transfer device of the gas tank of the ring main unit according to claim 1, characterized in that, The support frame comprises a support frame, a first beam and a plurality of second beams; The two ends of the first beam are connected with the two sides of the support frame along the second direction, respectively; The second beams are arranged in the second direction at intervals, and two ends of the second beams are connected to two sides of the support frame along the third direction respectively; The first beam and the second beams divide the support frame into the placing holes.

8. The transfer device of the gas tank of the ring main unit according to claim 1, characterized in that, The universal wheel comprises a rotating part and a first wheel, and the moving wheel comprises a fixed part and a second wheel; One end of the rotating part is rotatably connected to one side of the support frame away from the first blocking part, and the first wheel is rotatably connected to the rotating part about an axis perpendicular to the first direction; One end of the fixed part is connected to one side of the support frame away from the first blocking part, and the second wheel is rotatably connected to the rotating part about an axis perpendicular to the first direction.

9. The transfer device of the gas tank of the ring main unit according to claim 1, characterized in that, One set of the universal wheel assembly comprises two universal wheels, and one set of the moving wheel assembly comprises one moving wheel, and the moving wheel is located at the midpoint of the two universal wheels along the third direction.

10. A transfer system of a gas tank of a ring main unit, characterized by, The transfer system of the ring main unit gas tank comprises a plurality of the ring main unit gas tank transfer devices according to any one of claims 2-6; The adjacent ring main unit gas tank transfer devices are connected through the first traction assembly and the second traction assembly.

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