Lithium battery safety alarm and disposal device

Abstract

The utility model discloses a lithium battery safety alarm and disposal device. The device comprises a workbench and a supporting assembly. The workbench comprises a water tank, a battery pack supporting plate and a lifting system for driving the battery pack supporting plate to move up and down in the water tank. The supporting assembly is used for supporting or moving the workbench. The supporting assembly comprises a roller assembly and a foot support assembly. The foot supporting assembly comprises a second cylinder body and a supporting rod arranged on the second cylinder body. And the second cylinder body is connected with the first cylinder body. And the supporting rod is telescopically arranged on the second cylinder body. At the first preset position, the extending length of the supporting rod is larger than that of the roller assembly, so that the roller assembly is suspended, and then the foot supporting assembly supports the workbench. At the second preset position, the extension length of the supporting rod is smaller than that of the roller assembly, so that the roller assembly makes contact with the ground, and then the roller assembly drives the workbench to move. And by arranging the roller assembly and the foot support assembly, the device can be conveniently switched between a fixed state and a moving state.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of lithium ion batteries, in particular to a lithium battery safety alarm and disposal device. BACKGROUND

[0002] Lithium ion batteries have the advantages of high energy density and long cycle life. However, lithium ion batteries are prone to failure under conditions such as short circuit, overcharge, and overheating, which can cause fire and explosion.

[0003] Unlike conventional fires, lithium ion batteries develop very quickly when out of control and need to be disposed of in a timely manner. Currently, there are various types of lithium battery safety alarm devices on the market to monitor and process lithium ion batteries. However, the corresponding lithium battery safety alarm devices are usually heavy. When the lithium battery safety alarm device needs to be moved or reinstalled, the operation is relatively cumbersome. CONTENT OF THE UTILITY MODEL

[0004] The main purpose of the present application is to provide a lithium battery safety alarm and disposal device to solve the problem of cumbersome movement and installation of the lithium battery safety alarm device in the prior art.

[0005] One embodiment of the present application provides a lithium battery safety alarm and disposal device, comprising:

[0006] A workbench for carrying a battery pack, the workbench comprising a water tank, a battery pack support plate arranged on the water tank, and a lifting system for driving the battery pack support plate to move up and down in the water tank, the lifting system comprising a first cylinder and a telescopic rod arranged on the first cylinder, the telescopic rod being fixedly connected with the battery pack support plate to drive the battery pack support plate to move up and down in the water tank;

[0007] A support assembly arranged at the bottom of the workbench, the support assembly being used for supporting or moving the workbench, the support assembly comprising a roller assembly and a foot support assembly, the foot support assembly comprising a second cylinder and a support rod arranged on the second cylinder, the second cylinder being connected with the first cylinder, and the support rod being telescopically arranged on the second cylinder;

[0008] The support rod has a first preset position and a second preset position. In the first preset position, the extension length of the support rod is greater than the extension length of the roller assembly, so that the roller assembly is suspended, and the foot support assembly supports the workbench. In the second preset position, the extension length of the support rod is less than the extension length of the roller assembly, so that the roller assembly contacts the ground, and the roller assembly drives the workbench to move.

[0009] In one of the embodiments, the foot support assembly further comprises a support pad disposed at the end of the support rod, the support pad contacts the ground when the support rod is in the first preset position so that the foot support assembly supports the workbench.

[0010] In one of the embodiments, the roller assembly comprises a first roller, a second roller, a third roller and a fourth roller, the first roller, the second roller, the third roller and the fourth roller are disposed around the workbench.

[0011] The foot support assembly comprises a first foot support, a second foot support, a third foot support and a fourth foot support, the first foot support, the second foot support, the third foot support and the fourth foot support are disposed around the workbench.

[0012] In one of the embodiments, the workbench further comprises a fixing frame, the support assembly is disposed on the fixing frame, the fixing frame is provided with a first gap, a second gap, a third gap and a fourth gap, the first roller and the first foot support are disposed in the first gap, the second roller and the second foot support are disposed in the second gap, the third roller and the third foot support are disposed in the third gap, and the fourth roller and the fourth foot support are disposed in the fourth gap.

[0013] In one of the embodiments, the fixing frame comprises a first fixing rod, a second fixing rod, a third fixing rod and a fourth fixing rod, the first fixing rod, the second fixing rod, the third fixing rod and the fourth fixing rod form a frame structure;

[0014] The fixing frame further comprises a first intermediate rod and a second intermediate rod, the first intermediate rod and the first fixing rod form a first accommodating structure, the second intermediate rod and the third fixing rod form a second accommodating structure, the first intermediate rod and the second intermediate rod form a third accommodating structure, the first roller, the fourth roller, the first foot support and the fourth foot support are disposed in the first accommodating structure, the second roller, the third roller, the second foot support and the third foot support are disposed in the second accommodating structure.

[0015] In one of the embodiments, the fixing frame further comprises:

[0016] A first auxiliary rod is disposed between the first intermediate rod and the first fixing rod, the first auxiliary rod is disposed adjacent to the second fixing rod, the first auxiliary rod and the second fixing rod form the first gap;

[0017] a second auxiliary rod disposed between the second intermediate rod and the third fixed rod, the second auxiliary rod being disposed adjacent to the second fixed rod, the second auxiliary rod and the second fixed rod forming the second gap therebetween;

[0018] a third auxiliary rod disposed between the second intermediate rod and the third fixed rod, the third auxiliary rod being disposed adjacent to the fourth fixed rod, the third auxiliary rod and the fourth fixed rod forming the third gap therebetween;

[0019] a fourth auxiliary rod disposed between the first intermediate rod and the first fixed rod, the fourth auxiliary rod being disposed adjacent to the fourth fixed rod, the fourth auxiliary rod and the fourth fixed rod forming the fourth gap therebetween.

[0020] In one embodiment, the fixed frame further comprises:

[0021] a first roller seat disposed on the first auxiliary rod and the second fixed rod, the first roller seat being curved upward to form a recess, the first roller being disposed on the recess of the first roller seat, and the first roller extending out of the bottom of the fixed frame through the first gap;

[0022] a first foot prop seat disposed on the first auxiliary rod and the second fixed rod, the first foot prop seat being curved upward to form a recess, the first foot prop being disposed on the recess of the first foot prop seat, and the first foot prop extending out of the bottom of the fixed frame through the first gap.

[0023] In one embodiment, the fixed frame further comprises:

[0024] a second roller seat disposed on the second auxiliary rod and the second fixed rod, the second roller seat being curved upward to form a recess, the second roller being disposed on the recess of the second roller seat, and the second roller extending out of the bottom of the fixed frame through the second gap;

[0025] a second foot prop seat disposed on the second auxiliary rod and the second fixed rod, the second foot prop seat being curved upward to form a recess, the second foot prop being disposed on the recess of the second foot prop seat, and the second foot prop extending out of the bottom of the fixed frame through the second gap.

[0026] In one embodiment, the fixed frame further comprises:

[0027] a third roller seat disposed on the third auxiliary rod and the fourth fixed rod, the third roller seat being curved upward to form a recess, the third roller being disposed on the recess of the third roller seat, and the third roller extending out of the bottom of the fixed frame through the third gap;

[0028] A third foot support seat is arranged on the third auxiliary rod and the fourth fixed rod, the third foot support seat is curved upward to form a recess, a third foot support is arranged on the recess of the third foot support seat, and the third foot support extends out from the fixed frame bottom through the third gap.

[0029] In one of the embodiments, the fixed frame further comprises:

[0030] A fourth roller seat is arranged on the fourth auxiliary rod and the fourth fixed rod, the fourth roller seat is curved upward to form a recess, a fourth roller is arranged on the recess of the fourth roller seat, and the fourth roller extends out from the fixed frame bottom through the fourth gap;

[0031] A fourth foot support seat is arranged on the fourth auxiliary rod and the fourth fixed rod, the fourth foot support seat is curved upward to form a recess, a fourth foot support is arranged on the recess of the fourth foot support seat, and the fourth foot support extends out from the fixed frame bottom through the fourth gap.

[0032] In the lithium battery safety alarm and disposal device provided by the embodiments, the support assembly is arranged to include a roller assembly and a foot support assembly, and the support rod of the foot support assembly is arranged to be telescopic on the second cylinder body. The lithium battery safety alarm and disposal device can have two working states: a fixed state and a moving state. In the fixed state, the support rod is located at a first preset position, the extension length of the support rod is greater than the extension length of the roller assembly, so that the roller assembly is suspended, and the foot support assembly supports the workbench. At this time, the lithium battery safety alarm and disposal device is stably fixed on the ground, thereby facilitating the detection, maintenance, safety alarm, disposal and other processes of the lithium ion battery. In the moving state, the support rod is located at a second preset position, the extension length of the support rod is less than the extension length of the roller assembly, so that the roller assembly contacts the ground, and the roller assembly drives the workbench to move. At this time, since the roller assembly contacts the ground, the lithium battery safety alarm and disposal device can be conveniently pushed to any position through the roller assembly. When the lithium battery safety alarm and disposal device reaches a preset position, the second cylinder body can be controlled to elongate the support rod, so as to fix the lithium battery safety alarm and disposal device again. BRIEF DESCRIPTION OF DRAWINGS

[0033] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and serve to explain the principles of the application, and do not limit the application. In the drawings:

[0034] Figure 1A perspective view of a workbench of a lithium battery safety alarm and disposal device disclosed in one of the embodiments of the present application;

[0035] Figure 2 A perspective view of the workbench of the lithium battery safety alarm and disposal device disclosed in one of the embodiments of the present application; Figure 1

[0036] Figure 3 A perspective view of the workbench of the lithium battery safety alarm and disposal device disclosed in one of the embodiments of the present application; Figure 2

[0037] Figure 4 A top view of the workbench of the lithium battery safety alarm and disposal device disclosed in one of the embodiments of the present application; Figure 3

[0038] Figure 5 A sectional view of the workbench of the lithium battery safety alarm and disposal device disclosed in one of the embodiments of the present application along the direction of A-A; Figure 4

[0039] Figure 6 A sectional view of the workbench of the lithium battery safety alarm and disposal device disclosed in one of the embodiments of the present application along the direction of B-B; Figure 4

[0040] Figure 7 A sectional view of the workbench of the lithium battery safety alarm and disposal device disclosed in one of the embodiments of the present application along the direction of C-C; Figure 4

[0041] Figure 8 A structural view of a fixing frame of the workbench of the lithium battery safety alarm and disposal device disclosed in one of the embodiments of the present application; Figure 3

[0042] Figure 9 A structural view of the fixing frame of the workbench of the lithium battery safety alarm and disposal device disclosed in one of the embodiments of the present application after being flipped over. Figure 8 DETAILED DESCRIPTION

[0043] It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0044] It should be noted that the terms used herein are only intended to describe specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and it should also be understood that the terms "comprise" and / or "include" as used in the specification indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0045] ​​​​​​​​The relative arrangement of parts and steps, numerical expressions, and numerical values set forth in the examples herein are not meant to limit the scope of the present application unless otherwise specifically stated. Also, it is to be understood that the use of the terms "preferably," "preferably," "more preferred," and "most preferred" are used while describing examples in order to help clarify embodiments of the application. However, these terms are not used to limit or narrow the scope of the application or the specific embodiments thereof. In addition, it is to be understood that certain features that are described can not be necessary to practice the application in all forms. Furthermore, no limitation is intended to a particular method of doing work or to a particular device or apparatus. Also, it is to be understood that the use of relational terms such as first, second, top, bottom, upper, lower, and the like are used for clarity in one example only and do not necessarily carry any

[0046] Referring now to the drawings Figures 1 to 9 One embodiment of the present application provides a lithium battery safety alarm and disposal device 100. The lithium battery safety alarm and disposal device 100 comprises a workbench 110 and a support assembly 120.

[0047] The workbench 110 is used to carry a battery pack. The workbench 110 comprises a water tank 111, a battery pack supporting plate 112 disposed on the water tank 111, and a lifting system 113 for driving the battery pack supporting plate 112 to move up and down in the water tank 111. The lifting system 113 comprises a first cylinder 1131 and a telescopic rod 1132 disposed on the first cylinder 1131. The telescopic rod 1132 is fixedly connected with the battery pack supporting plate 112 to drive the battery pack supporting plate 112 to move up and down in the water tank 111.

[0048] The support assembly 120 is disposed at the bottom of the workbench 110. The support assembly 120 is used to support or move the workbench 110. The support assembly 120 comprises a roller assembly 130 and a foot support assembly 140. The foot support assembly 140 comprises a second cylinder 141 and a support rod 142 disposed on the second cylinder 141. The second cylinder 141 is connected with the first cylinder 111. The support rod 142 is telescopically disposed on the second cylinder 141.

[0049] The support rod 142 has a first preset position and a second preset position. In the first preset position, the extension length of the support rod 142 is greater than the extension length of the roller assembly 130, so that the roller assembly 130 is suspended, and the foot support assembly 140 supports the workbench 110. In the second preset position, the extension length of the support rod 142 is less than the extension length of the roller assembly 130, so that the roller assembly 130 contacts the ground, and the roller assembly 130 drives the workbench 110 to move.

[0050] In the lithium battery safety alarm and disposal device 100 provided by the embodiment of the present application, the support assembly 120 is arranged to include the roller assembly 130 and the foot support assembly 140, and the support rod 142 of the foot support assembly 140 is arranged to be telescopically arranged on the second cylinder 141. The lithium battery safety alarm and disposal device 100 can have two working states: a fixed state and a moving state. In the fixed state, the support rod 142 is located at a first preset position, the extension length of the support rod 142 is greater than the extension length of the roller assembly 130, so that the roller assembly 130 is suspended, and the foot support assembly 140 supports the workbench 110. At this time, the lithium battery safety alarm and disposal device 100 is stably fixed on the ground, thereby facilitating the detection, maintenance, safety alarm, disposal and other processes of the lithium ion battery. In the moving state, the support rod 142 is located at a second preset position, the extension length of the support rod 142 is less than the extension length of the roller assembly 130, so that the roller assembly 130 contacts the ground, and the roller assembly 130 drives the workbench 110 to move. At this time, since the roller assembly 130 contacts the ground, the lithium battery safety alarm and disposal device 100 can be conveniently pushed to any position by the roller assembly 130. When the lithium battery safety alarm and disposal device 100 reaches a preset position, the second cylinder 141 can be controlled to elongate the support rod 142, so as to fix the lithium battery safety alarm and disposal device 100 again.

[0051] In one of the embodiments, the foot support assembly 140 further includes a support pad 143. The support pad 143 is arranged at the end of the support rod 142. When the support rod 142 is located at the first preset position, the support pad 143 contacts the ground, so that the foot support assembly 140 supports the workbench 110.

[0052] In the embodiment, by arranging the support pad 143 at the end of the support rod 142, when the extension length of the support rod 142 is greater than the extension length of the roller assembly 130, so that the roller assembly 130 is suspended, the support pad 143 can well realize the function of gripping the ground, so that the lithium battery safety alarm and disposal device 100 can be stably fixed on the ground.

[0053] In one of the embodiments, the roller assembly 130 includes a first roller 131, a second roller 132, a third roller 133 and a fourth roller 134. The first roller 131, the second roller 132, the third roller 133 and the fourth roller 134 are separately arranged around the workbench 110.

[0054] The foot support assembly 140 comprises a first foot support 144, a second foot support 145, a third foot support 146 and a fourth foot support 147. The first foot support 144, the second foot support 145, the third foot support 146 and the fourth foot support 147 are arranged around the workbench 110. It can be understood that the first foot support 144, the second foot support 145, the third foot support 146 and the fourth foot support 147 can have the second cylinder 141, the support rod 142 and the support pad 143 respectively to achieve good fixing effect.

[0055] In one embodiment, the workbench 110 further comprises a fixing frame 114. The support assembly 120 is arranged on the fixing frame 114. The fixing frame 114 is provided with a first gap 1141, a second gap 1142, a third gap 1143 and a fourth gap 1144. The first roller 131 and the first foot support 144 are arranged in the first gap 1141. The second roller 132 and the second foot support 145 are arranged in the second gap 1142. The third roller 133 and the third foot support 146 are arranged in the third gap 1143, and the fourth roller 134 and the fourth foot support 147 are arranged in the fourth gap 1144.

[0056] In this embodiment, by arranging the first gap 1141, the second gap 1142, the third gap 1143 and the fourth gap 1144 on the fixing frame 114, and arranging the first roller 131 and the first foot support 144 in the first gap 1141, and arranging the second roller 132 and the second foot support 145 in the second gap 1142, and arranging the third roller 133 and the third foot support 146 in the third gap 1143, and arranging the fourth roller 134 and the fourth foot support 147 in the fourth gap 1144, in this arrangement, the thickness of part of the rollers and foot supports is hidden by the gaps, so that the rollers and foot supports do not make the entire lithium battery safety alarm and disposal device 100 too high, thereby affecting its stability.

[0057] In one embodiment, the fixing frame 114 comprises a first fixing rod 1145, a second fixing rod 1146, a third fixing rod 1147 and a fourth fixing rod 1148. The first fixing rod 1145, the second fixing rod 1146, the third fixing rod 1147 and the fourth fixing rod 1148 form a frame structure. In this embodiment, the first fixing rod 1145, the second fixing rod 1146, the third fixing rod 1147 and the fourth fixing rod 1148 form a quadrilateral structure. According to needs, a plurality of fixing rods can also be used to form a polygonal structure, which is not specifically limited here.

[0058] The fixed frame 114 further comprises a first intermediate rod 1151 and a second intermediate rod 1152. The first intermediate rod 1151 and the first fixed rod 1145 form a first accommodating structure 1153. The second intermediate rod 1152 and the third fixed rod 1147 form a second accommodating structure 1154. The first intermediate rod 1151 and the second intermediate rod 1152 form a third accommodating structure 1155. The first roller 131, the fourth roller 134, the first foot support 144 and the fourth foot support 147 are arranged in the first accommodating structure 1153. The second roller 132, the third roller 133, the second foot support 145 and the third foot support 146 are arranged in the second accommodating structure 1154. In this embodiment, the third accommodating structure 1155 is used to arrange the clean liquid tank or the waste liquid tank of the lithium battery safety alarm and disposal device 100. The clean liquid tank is used to supplement clean fire-fighting liquid for the water tank 111. The waste liquid tank is used to accommodate waste liquid discharged by the water tank.

[0059] In one of the embodiments, the fixed frame 114 further comprises a first auxiliary rod 1156, a second auxiliary rod 1157, a third auxiliary rod 1158 and a fourth auxiliary rod 1159.

[0060] The first auxiliary rod 1156 is arranged between the first intermediate rod 1151 and the first fixed rod 1145. The first auxiliary rod 1156 is arranged adjacent to the second fixed rod 1146. The first auxiliary rod 1156 and the second fixed rod 1146 form the first gap 1141.

[0061] The second auxiliary rod 1157 is arranged between the second intermediate rod 1152 and the third fixed rod 1147. The second auxiliary rod 1157 is arranged adjacent to the second fixed rod 1146. The second auxiliary rod 1157 and the second fixed rod 1146 form the second gap 1142.

[0062] The third auxiliary rod 1158 is arranged between the second intermediate rod 1152 and the third fixed rod 1147. The third auxiliary rod 1158 is arranged adjacent to the fourth fixed rod 1148. The third auxiliary rod 1158 and the fourth fixed rod 1148 form the third gap 1143.

[0063] The fourth auxiliary rod 1159 is arranged between the first intermediate rod 1151 and the first fixed rod 1145. The fourth auxiliary rod 1159 is arranged adjacent to the fourth fixed rod 1148. The fourth auxiliary rod 1159 and the fourth fixed rod 1148 form the fourth gap 1144.

[0064] In the embodiment, the first to fourth gaps 1141-1144 are formed on the fixed frame 114 by the design of the first to fourth auxiliary rods 1156-1159, so as to facilitate the installation of the first to fourth rollers 131-134 and the first to fourth struts 144-147.

[0065] In one of the embodiments, the fixed frame 114 further comprises a first roller seat 1161 and a first strut seat 1171.

[0066] The first roller seat 1161 is arranged on the first auxiliary rod 1156 and the second fixed rod 1146. The first roller seat 1161 is bent upward to form a recess. The first roller 131 is arranged on the recess of the first roller seat 1161, and the first roller 131 extends out from the bottom of the fixed frame 114 through the first gap 1141.

[0067] The first strut seat 1171 is arranged on the first auxiliary rod 1156 and the second fixed rod 1146. The first strut seat 1171 is bent upward to form a recess. The first strut 144 is arranged on the recess of the first strut seat 1171, and the first strut 144 extends out from the bottom of the fixed frame 114 through the first gap 1141.

[0068] In one of the embodiments, the fixed frame 114 further comprises a second roller seat 1162 and a second strut seat 1172.

[0069] The second roller seat 1162 is arranged on the second auxiliary rod 1157 and the second fixed rod 1146. The second roller seat 1162 is bent upward to form a recess. The second roller 132 is arranged on the recess of the second roller seat 1162, and the second roller 132 extends out from the bottom of the fixed frame 114 through the second gap 1142.

[0070] The second strut seat 1172 is arranged on the second auxiliary rod 1157 and the second fixed rod 1146. The second strut seat 1172 is bent upward to form a recess. The second strut 145 is arranged on the recess of the second strut seat 1172, and the second strut 145 extends out from the bottom of the fixed frame 114 through the second gap 1142.

[0071] In one of the embodiments, the fixed frame 114 further comprises a third roller seat 1163 and a third strut seat 1173.

[0072] The third roller seat 1163 is disposed on the third auxiliary rod 1158 and the fourth fixed rod 1148. The third roller seat 1163 is curved upward to form a recess. The third roller 133 is disposed on the recess of the third roller seat 1163, and the third roller 133 extends out from the bottom of the fixed frame 114 through the third gap 1143.

[0073] The third foot prop seat 1173 is disposed on the third auxiliary rod 1158 and the fourth fixed rod 1148. The third foot prop seat 1173 is curved upward to form a recess. The third foot prop 146 is disposed on the recess of the third foot prop seat 1173, and the third foot prop 146 extends out from the bottom of the fixed frame 114 through the third gap 1143.

[0074] In one embodiment, the fixed frame 114 further comprises a fourth roller seat 1164 and a fourth foot prop seat 1174.

[0075] The fourth roller seat 1164 is disposed on the fourth auxiliary rod 1159 and the fourth fixed rod 1148. The fourth roller seat 1164 is curved upward to form a recess. The fourth roller 134 is disposed on the recess of the fourth roller seat 1164, and the fourth roller 134 extends out from the bottom of the fixed frame 114 through the fourth gap 1144.

[0076] The fourth foot prop seat 1174 is disposed on the fourth auxiliary rod 1159 and the fourth fixed rod 1148. The fourth foot prop seat 1174 is curved upward to form a recess. The fourth foot prop 147 is disposed on the recess of the fourth foot prop seat 1174, and the fourth foot prop 147 extends out from the bottom of the fixed frame 114 through the fourth gap 1144.

[0077] For purposes of the description hereinafter, spatial relative terms are used to describe the positional relationship of one device or feature to another device or feature as illustrated in the drawings. The spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly. For example, if a device is described as being "above" another device or structure, it can be oriented in

[0078] In addition, it should be noted that the use of the terms "first", "second", etc. to qualify parts is only intended to facilitate the distinction of the corresponding parts, and in the absence of a further declaration, the above terms do not have a special meaning and therefore cannot be understood as limiting the scope of protection of the present application.

[0079] The above only is the preferred embodiment of the present application, and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A lithium battery safety alarm and disposal device, characterized in that, The device comprises: a workbench for carrying the battery pack, the workbench comprising a water tank, a battery pack support plate arranged on the water tank, and a lifting system for driving the battery pack support plate to move up and down in the water tank, the lifting system comprising a first cylinder and a telescopic rod arranged on the first cylinder, the telescopic rod being fixedly connected with the battery pack support plate to drive the battery pack support plate to move up and down in the water tank; a support assembly arranged at the bottom of the workbench, the support assembly being used for supporting or moving the workbench, the support assembly comprising a roller assembly and a foot support assembly, the foot support assembly comprising a second cylinder and a support rod arranged on the second cylinder, the second cylinder being connected with the first cylinder, and the support rod being telescopically arranged on the second cylinder; the support rod has a first preset position and a second preset position, in the first preset position, the support rod has an extension length greater than that of the roller assembly so that the roller assembly is suspended, and the foot support assembly supports the workbench; in the second preset position, the support rod has an extension length smaller than that of the roller assembly so that the roller assembly contacts the ground, and the roller assembly drives the workbench to move.

2. The lithium battery safety alarm and disposal device according to claim 1, wherein the foot support assembly further comprises a support pad arranged at the end of the support rod, when the support rod is located at the first preset position, the support pad contacts the ground so that the foot support assembly supports the workbench.

3. The lithium battery safety alarm and disposal device according to claim 2, wherein the roller assembly comprises a first roller, a second roller, a third roller and a fourth roller, the first roller, the second roller, the third roller and the fourth roller being arranged at the four sides of the workbench respectively; the foot support assembly comprises a first foot support, a second foot support, a third foot support and a fourth foot support, the first foot support, the second foot support, the third foot support and the fourth foot support being arranged at the four sides of the workbench respectively.

4. The lithium battery safety alarm and disposal apparatus of claim 3, wherein, the workbench further comprises a fixing frame, the support assembly being arranged on the fixing frame, the fixing frame being provided with a first gap, a second gap, a third gap and a fourth gap, the first roller and the first foot support being arranged in the first gap, the second roller and the second foot support being arranged in the second gap, the third roller and the third foot support being arranged in the third gap, and the fourth roller and the fourth foot support being arranged in the fourth gap.

5. The lithium battery safety alarm and disposal device according to claim 4, wherein the fixing frame comprises a first fixed rod, a second fixed rod, a third fixed rod and a fourth fixed rod, the first fixed rod, the second fixed rod, the third fixed rod and the fourth fixed rod forming a frame structure. The fixing frame further comprises a first intermediate rod and a second intermediate rod, the first intermediate rod and the first fixing rod form a first accommodating structure, the second intermediate rod and the third fixing rod form a second accommodating structure, the first intermediate rod and the second intermediate rod form a third accommodating structure, the first roller, the fourth roller, the first foot support and the fourth foot support are arranged in the first accommodating structure, and the second roller, the third roller, the second foot support and the third foot support are arranged in the second accommodating structure.

6. The lithium battery safety alarm and disposal apparatus of claim 5, wherein, The fixing frame further comprises: a first auxiliary rod arranged between the first intermediate rod and the first fixing rod, the first auxiliary rod is arranged adjacent to the second fixing rod, and the first auxiliary rod and the second fixing rod form the first gap; a second auxiliary rod arranged between the second intermediate rod and the third fixing rod, the second auxiliary rod is arranged adjacent to the second fixing rod, and the second auxiliary rod and the second fixing rod form the second gap; a third auxiliary rod arranged between the second intermediate rod and the third fixing rod, the third auxiliary rod is arranged adjacent to the fourth fixing rod, and the third auxiliary rod and the fourth fixing rod form the third gap; a fourth auxiliary rod arranged between the first intermediate rod and the first fixing rod, the fourth auxiliary rod is arranged adjacent to the fourth fixing rod, and the fourth auxiliary rod and the fourth fixing rod form the fourth gap.

7. The lithium battery safety alarm and disposal apparatus of claim 6, wherein, The fixing frame further comprises: a first roller seat arranged on the first auxiliary rod and the second fixing rod, the first roller seat is curved upward to form a recess, the first roller is arranged on the recess of the first roller seat, and the first roller extends out of the bottom of the fixing frame through the first gap; a first foot support seat arranged on the first auxiliary rod and the second fixing rod, the first foot support seat is curved upward to form a recess, the first foot support is arranged on the recess of the first foot support seat, and the first foot support extends out of the bottom of the fixing frame through the first gap.

8. The lithium battery safety alarm and disposal apparatus of claim 6, wherein, The fixing frame further comprises: a second roller seat arranged on the second auxiliary rod and the second fixing rod, the second roller seat is curved upward to form a recess, the second roller is arranged on the recess of the second roller seat, and the second roller extends out of the bottom of the fixing frame through the second gap; a second foot support seat arranged on the second auxiliary rod and the second fixing rod, the second foot support seat is curved upward to form a recess, the second foot support is arranged on the recess of the second foot support seat, and the second foot support extends out of the bottom of the fixing frame through the second gap.

9. The lithium battery safety alarm and disposal apparatus of claim 6, wherein, The fixing frame further comprises: a third roller seat arranged on the third auxiliary rod and the fourth fixing rod, the third roller seat is curved upward to form a recess, the third roller is arranged on the recess of the third roller seat, and the third roller extends out of the bottom of the fixing frame through the third gap; a fourth roller seat arranged on the fourth auxiliary rod and the fourth fixing rod, the fourth roller seat is curved upward to form a recess, the fourth roller is arranged on the recess of the fourth roller seat, and the fourth roller extends out of the bottom of the fixing frame through the fourth gap. A third footrest seat is arranged on the third auxiliary rod and the fourth fixed rod, the third footrest seat is curved upward to form a recess, a third footrest is arranged on the recess of the third footrest seat, and the third footrest extends out from the bottom of the fixed frame through the third gap.

10. The lithium battery safety alarm and disposal apparatus of claim 6, wherein, The fixed frame further comprises: A fourth roller seat is arranged on the fourth auxiliary rod and the fourth fixed rod, the fourth roller seat is curved upward to form a recess, a fourth roller is arranged on the recess of the fourth roller seat, and the fourth roller extends out from the bottom of the fixed frame through the fourth gap; A fourth footrest seat is arranged on the fourth auxiliary rod and the fourth fixed rod, the fourth footrest seat is curved upward to form a recess, a fourth footrest is arranged on the recess of the fourth footrest seat, and the fourth footrest extends out from the bottom of the fixed frame through the fourth gap.

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