A kind of anticorrosive paint spraying device for water conservancy pipeline construction

Abstract

The utility model discloses an anticorrosive paint spraying device of water conservancy pipeline construction relates to coating and spraying technical field, the utility model discloses a pipeline, support frame and fixedly connected in the base of support frame bottom, support frame top is equipped with rotating mechanism, and the fixed mechanism is equipped with on the base and is connected with the pipeline, and the rotating mechanism includes the top shell fixedly connected in support frame top, and is equipped with the moving assembly on the top shell, the utility model discloses a turntable is set up, and first servo motor can drive gear rotation through the rotating shaft, and then gear will drive gear ring rotation, makes gear ring can drive turntable rotation on the support ring, and then the rotation of turnplate will make paint storage tank and fixed plate follow turnplate and rotate, through the gear ring that can drive turnplate and rotate, reached can make the spray gun along with pipeline rotation while painting, avoids the effect that the coating of traditional translation type spraying method can appear coating accumulation and uneven spraying.

Description

Technical Field

[0001] This utility model belongs to the field of coating and spraying technology, and in particular relates to an anti-corrosion spraying device for water conservancy pipeline construction. Background Technology

[0002] Water conservancy pipelines are pipeline systems used to transport water and are an important part of water conservancy projects. Their main function is to transport water from the water source to the place where it is needed. Anti-corrosion spraying equipment for water conservancy pipeline construction usually refers to a device and system that applies an anti-corrosion coating to the surface of water conservancy pipelines. Its purpose is to enhance the corrosion resistance of the pipelines, especially in some harsh environments, such as humid, high acid and alkaline areas or areas with chemical corrosive substances.

[0003] Existing anti-corrosion painting devices for water conservancy pipeline construction typically involve moving the spray gun horizontally for painting. This method can lead to uneven paint application. If the spray gun could rotate along the pipeline while moving horizontally, the maximum area of ​​the pipeline surface could be painted, avoiding uneven paint application. Therefore, we propose an anti-corrosion painting device for water conservancy pipeline construction. Utility Model Content

[0004] The purpose of this utility model is to provide an anti-corrosion spraying device for water conservancy pipeline construction. The device uses a first servo motor to drive a rotating shaft to rotate, and then the rotating shaft drives a gear ring to rotate through a gear, which solves the problem of allowing the spray gun to rotate along the pipeline while spraying paint.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model is an anti-corrosion spraying device for water conservancy pipeline construction, including a pipeline, a support frame and a base fixedly connected to the bottom of the support frame. The top of the support frame is provided with a rotating mechanism, and the base is provided with a fixing mechanism, which is located inside the pipeline.

[0007] The rotating mechanism includes a top shell fixedly connected to the top of the support frame. A movable component is provided on the top shell, and a movable plate is fixedly connected to the movable component. A housing is fixedly connected to one side of the movable plate, and a transmission component is provided on the other side of the movable plate. A toothed ring is provided on the outer surface of the movable plate, and the toothed ring is disposed inside the housing. A turntable is fixedly connected to the outer surface of the toothed ring. A support ring is rotatably connected to the inner wall of the turntable. The outer surface of the support ring is fixedly connected to the outer surface of the movable plate, and the outer surface of the support ring is sleeved with the inner side of the toothed ring. Two paint storage tanks are fixedly connected to the outer surface of the turntable. A connecting pipe is fixedly connected to the inner wall of each of the two paint storage tanks. A spray gun is fixedly connected to the end of the connecting pipe away from the paint storage tank.

[0008] Furthermore, a fixing plate is fixedly connected to the outer surface of the spray gun, and the outer surface of the fixing plate is fixedly connected to the outer surface of the turntable.

[0009] Furthermore, the transmission assembly includes a first servo motor fixedly connected to the other side of the moving plate. The output shaft of the first servo motor is fixedly connected to a rotating shaft via a coupling. The end of the rotating shaft away from the first servo motor passes through the outer surface of the moving plate. A gear is fixedly connected to the outer surface of the rotating shaft. The gear is disposed inside the housing, and the outer surface of the gear meshes with the outer surface of the gear ring.

[0010] Furthermore, the moving component includes a second servo motor fixedly connected to the outer surface of the top shell. The output shaft of the second servo motor is fixedly connected to a screw via a coupling. The outer surface of the screw is rotatably connected to the inner wall of the top shell. A moving block is threadedly connected to the outer surface of the screw. The bottom of the moving block is fixedly connected to the top of the moving plate.

[0011] Furthermore, stabilizing bars are fixedly connected to both sides of the movable block, and two first sliding grooves matching the outer surface of the stabilizing bars are opened inside the top shell.

[0012] Furthermore, the fixing mechanism includes two sliding plates slidably connected to the inner wall of the base. A support plate is fixedly connected to the top of each sliding plate. A connecting plate is fixedly connected to the inner wall of the support plate. A main rod is fixedly connected to the inner wall of the connecting plate. The main rod is disposed inside the pipe. A fixing cylinder is fixedly connected to the outer surface of the main rod. Four first connecting rods are rotatably connected to the outer surface of the fixing cylinder. A push block is rotatably connected to the end of each of the four first connecting rods away from the fixing cylinder. A contact strip is fixedly connected to the outer surface of the push block, and the outer surface of the contact strip contacts the inner wall of the pipe. A second connecting rod is rotatably connected to the inner wall of the push block. A moving ring is rotatably connected to the outer surface of the second connecting rod. The outer surface of the moving ring is slidably connected to the inner wall of the main rod. A spring is fixedly connected to the outer surface of the moving ring. A push rod is fixedly connected to the inner wall of the moving ring, and the push rod is disposed inside the main rod. An adjustment assembly is provided inside the base.

[0013] Furthermore, a rubber pad is fixedly connected to the outer surface of the contact strip to prevent the pipe from sliding on the contact strip. Four second sliding grooves matching the outer surface of the moving ring are opened inside the main body rod. The end of the spring away from the moving ring is fixedly connected to the outer surface of the fixed cylinder, and the inner side of the spring is sleeved on the outer surface of the main body rod.

[0014] Furthermore, the adjustable distance assembly includes a partition plate fixedly connected to the inner wall of the base, and electric push rods are fixedly connected to both sides of the partition plate. The end of the electric push rod away from the partition plate is fixedly connected to the outer surface of the sliding plate.

[0015] This utility model has the following beneficial effects:

[0016] 1. This utility model incorporates a turntable. A first servo motor drives a gear to rotate via a shaft, which in turn drives a gear ring to rotate. This gear ring then drives the turntable to rotate on a support ring. The rotation of the turntable causes the paint storage tank and the fixing plate to rotate along with it. By using a gear ring that can drive the turntable to rotate, the spray gun can rotate along the pipeline while spraying paint, avoiding the paint accumulation and uneven spraying that may occur with traditional horizontal spraying methods.

[0017] 2. This utility model incorporates a movable ring. By pushing the push rods on both sides of the base closer together, the push rods cause the movable ring to slide within the main body rod, pulling the movable ring onto the second connecting rod. The second connecting rod then pulls the push block, which in turn causes the push block to rotate at the connection between the first connecting rod and the fixed cylinder. The spring's reset mechanism pulls the movable ring, enabling the device to paint pipes of different specifications, thus avoiding painting quality issues caused by incompatibility between the pipe size and the device itself.

[0018] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the movable block structure of this utility model;

[0022] Figure 3 This is a schematic diagram of the movable plate structure of this utility model;

[0023] Figure 4 This is a schematic diagram of the outer shell structure of this utility model;

[0024] Figure 5 This is a schematic diagram of the turntable structure of this utility model;

[0025] Figure 6 This is a schematic diagram of the support ring structure of this utility model;

[0026] Figure 7 This is a schematic diagram of the support plate structure of this utility model;

[0027] Figure 8This is a schematic diagram of the sliding plate structure of this utility model;

[0028] Figure 9 This is a schematic diagram of the fixed cylinder structure of this utility model;

[0029] Figure 10 This is a schematic diagram of the moving ring structure of this utility model;

[0030] Figure 11 This is a schematic diagram of the electric actuator structure of this utility model.

[0031] The attached diagram lists the components represented by each number as follows:

[0032] 101. Support frame; 102. Base; 103. Pipe; 2. Rotating mechanism; 201. Top shell; 202. Moving plate; 203. Outer shell; 204. First servo motor; 205. Rotating shaft; 206. Gear; 207. Gear ring; 208. Turntable; 209. Support ring; 210. Paint storage tank; 211. Connecting pipe; 212. Spray gun; 213. Fixing plate; 214. Second servo motor; 215. Screw; 21 6. Moving block; 217. Stabilizing bar; 218. First slide groove; 3. Fixing mechanism; 301. Sliding plate; 302. Support plate; 303. Connecting plate; 304. Main rod; 305. Fixing cylinder; 306. First connecting rod; 307. Push block; 308. Contact bar; 309. Second connecting rod; 310. Moving ring; 311. Spring; 312. Second slide groove; 313. Push rod; 314. Partition plate; 315. Electric push rod. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0034] Please see Figure 1-11 As shown, this utility model is an anti-corrosion spraying device for water conservancy pipeline construction, including a pipe 103, a support frame 101 and a base 102 fixedly connected to the bottom of the support frame 101. The support frame 101 is provided with a rotating mechanism 2 at the top, and the base 102 is provided with a fixing mechanism 3, which is located inside the pipe 103. This device can perform rotation spraying while moving through the rotating mechanism 2, and can fix pipes of different specifications through the fixing mechanism 3.

[0035] The rotating mechanism 2 includes a top shell 201 fixedly connected to the top of the support frame 101. A moving component is provided on the top shell 201, and a moving plate 202 is fixedly connected to the moving component. A housing 203 is fixedly connected to one side of the moving plate 202. The moving plate 202 can be moved by the moving component to facilitate the next transmission of the moving plate 202. A transmission component is provided on the other side of the moving plate 202. A toothed ring 207 is provided on the outer surface of the moving plate 202. The toothed ring 207 is located inside the housing 203. A turntable 208 is fixedly connected to the outer surface of the toothed ring 207. When the toothed ring 207 rotates, it will drive the turntable 208 to rotate, so that the turntable 208 can easily carry out the next transmission.

[0036] A support ring 209 is rotatably connected to the inner wall of the turntable 208. The outer surface of the support ring 209 is fixedly connected to the outer surface of the moving plate 202. The outer surface of the support ring 209 is sleeved on the inner side of the toothed ring 207. The support ring 209 provides a certain support for the toothed ring 207, so that the position of the toothed ring 207 is fixed and prevented from shifting during rotation. Two paint storage tanks 210 are fixedly connected to the outer surface of the turntable 208. A connecting pipe 211 is fixedly connected to the inner wall of each of the two paint storage tanks 210. A spray gun 212 is fixedly connected to the end of the connecting pipe 211 away from the paint storage tank 210. The turntable 208 will drive the paint storage tank 210 to rotate, and then the paint storage tank 210 will drive the two spray guns 212 to rotate, so that the spray guns 212 can rotate along the pipe 103 to spray paint.

[0037] A fixing plate 213 is fixedly connected to the outer surface of the spray gun 212. The outer surface of the fixing plate 213 is fixedly connected to the outer surface of the turntable 208. The fixing plate 213 fixes the position of the spray gun 212 to prevent the spray gun 212 from shifting during rotation.

[0038] The transmission assembly includes a first servo motor 204 fixedly connected to the other side of the movable plate 202. The output shaft of the first servo motor 204 is fixedly connected to a rotating shaft 205 via a coupling. The end of the rotating shaft 205 away from the first servo motor 204 passes through the outer surface of the movable plate 202. The movable plate 202 fixes the position of the rotating shaft 205 so that the rotating shaft 205 can only rotate within the movable plate 202, preventing the rotating shaft 205 from shifting due to rotation. A gear 206 is fixedly connected to the outer surface of the rotating shaft 205. The gear 206 is located inside the housing 203. The outer surface of the gear 206 meshes with the outer surface of the gear ring 207. The rotating shaft 205 drives the gear 206 to rotate, and then the gear 206 drives the gear ring 207 to rotate, enabling the gear ring 207 to perform the next transmission step.

[0039] The moving component includes a second servo motor 214 fixedly connected to the outer surface of the top shell 201. The output shaft of the second servo motor 214 is fixedly connected to a screw 215 via a coupling. The outer surface of the screw 215 is rotatably connected to the inner wall of the top shell 201. A moving block 216 is threadedly connected to the outer surface of the screw 215. The bottom of the moving block 216 is fixedly connected to the top of the moving plate 202. The second servo motor 214 will cause the screw 215 to rotate. Then, the rotation of the screw 215 will cause the moving block 216 to move along the screw 215. After that, the moving block 216 will drive the moving plate 202 to move.

[0040] Stabilizing bars 217 are fixedly connected to both sides of the movable block 216. Two first sliding grooves 218 matching the outer surface of the stabilizing bars 217 are opened inside the top shell 201. When the movable block 216 moves, it will drive the stabilizing bars 217 to slide in the first sliding grooves 218, and then the stabilizing bars 217 make the movement of the movable block 216 more stable.

[0041] The fixing mechanism 3 includes two sliding plates 301 that are slidably connected to the inner wall of the base 102. A support plate 302 is fixedly connected to the top of each sliding plate 301. A connecting plate 303 is fixedly connected to the inner wall of the support plate 302. A main rod 304 is fixedly connected to the inner wall of the connecting plate 303. The support plate 302 supports the connecting plate 303, so that the connecting plate 303 can work stably.

[0042] The main rod 304 is installed inside the pipe 103. A fixed cylinder 305 is fixedly connected to the outer surface of the main rod 304. Four first connecting rods 306 are rotatably connected to the outer surface of the fixed cylinder 305. A push block 307 is rotatably connected to the end of each of the four first connecting rods 306 away from the fixed cylinder 305. The first connecting rods 306 can rotate inside the fixed cylinder 305. The rotation of the first connecting rods 306 will adjust the position of the push block 307, making the device easy to transmit.

[0043] A contact strip 308 is fixedly connected to the outer surface of the push block 307. The outer surface of the contact strip 308 contacts the inner wall of the pipe 103. A second connecting rod 309 is rotatably connected to the inner wall of the push block 307. A moving ring 310 is rotatably connected to the outer surface of the second connecting rod 309. When the contact strip 308 is opened, it will contact the inner wall of the pipe 103, thereby fixing the pipe 103. The outer surface of the moving ring 310 is slidably connected to the inner wall of the main rod 304. A spring 311 is fixedly connected to the outer surface of the moving ring 310. A push rod 313 is fixedly connected to the inner wall of the moving ring 310. The push rod 313 is located inside the main rod 304. An adjustment component is provided inside the base 102. The rebound of the spring 311 will pull the moving ring 310, thereby causing the moving ring 310 to open the four push blocks 307 through transmission and fix the pipe 103.

[0044] A rubber pad is fixedly connected to the outer surface of the contact strip 308 to prevent the pipe 103 from sliding on the contact strip 308. The main body rod 304 has four second sliding grooves 312 that match the outer surface of the moving ring 310. The end of the spring 311 away from the moving ring 310 is fixedly connected to the outer surface of the fixed cylinder 305. The inner side of the spring 311 is sleeved on the outer surface of the main body rod 304. The main body rod 304 restricts the movement trajectory of the spring 311, so that the spring 311 can only move along the main body rod 304, preventing the spring 311 from tilting or deviating during the movement.

[0045] The distance adjustment assembly includes a partition 314 fixedly connected to the inner wall of the base 102. Electric push rods 315 are fixedly connected to both sides of the partition 314. The end of the electric push rod 315 away from the partition 314 is fixedly connected to the outer surface of the sliding plate 301. The electric push rod 315 pushes the sliding plate 301, which in turn drives the support plate 302 to move, thereby adjusting the distance between the two support plates 302.

[0046] One specific application of this embodiment is:

[0047] When the staff needs to use the equipment, they can activate the two electric actuators 315 according to the length of the pipe to be painted, so that the two electric actuators 315 push the sliding plate 301 respectively. Then the sliding plate 301 will drive the support plate 302 to move. Then the pipe is placed between the two support plates 302. Then the actuators 313 on both sides of the base 102 are pushed towards each other. At this time, the actuators 313 will drive the moving ring 310 to slide in the main rod 304, so that the moving ring 310 pulls the second connecting rod 309.

[0048] Then the second link 309 will pull the push block 307. At this time, the push block 307 will drive the first link 306 to rotate at the connection between the first link 306 and the fixed cylinder 305, so that the four push blocks 307 move closer to each other. At the same time, the moving ring 310 will also stretch the spring 311. Then the electric push rod 315 will be activated again, so that the electric push rod 315 will pull the sliding plate 301, thereby driving the support plate 302 to move the main rod 304 into the pipe.

[0049] At this point, the push rod 313 can be released, and the spring 311 will return to its original position, causing the four push blocks 307 to expand again. Then, the push blocks 307 will drive the contact strip 308 to contact the inner wall of the pipe 103, fixing the pipe 103. This allows the device to paint pipes 103 of different specifications, avoiding problems with the painting quality caused by the pipe 103 size not matching the device itself. Then, the first servo motor 204 and the second servo motor 214 can be started. At this time, the first servo motor 204 will drive the gear 206 to rotate through the rotating shaft 205.

[0050] Then, gear 206 drives gear ring 207 to rotate, so that gear ring 207 can drive turntable 208 to rotate on support ring 209. Then, the rotation of turntable 208 will cause paint storage tank 210 and fixed plate 213 to rotate with turntable 208, so that spray gun 212 can spray paint while rotating. This achieves the effect of allowing spray gun 212 to rotate along pipe 103 while spraying paint, avoiding the paint accumulation and uneven spraying that may occur in traditional translational spraying methods.

[0051] At the same time, the second servo motor 214 will drive the screw 215 to rotate. At this time, the rotation of the screw 215 will cause the moving block 216 to move along the screw 215. Then the moving block 216 will drive the stabilizing bar 217 to slide in the first slide groove 218. At the same time, the moving block 216 will also drive the moving plate 202 to move, thereby causing the moving plate 202 to drive the spray gun 212 to move, so that the spray gun 212 can move and spray paint along the pipe.

[0052] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0053] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A corrosion-resistant spraying device for water conservancy pipeline construction, comprising a pipeline (103), a support frame (101), and a base (102) fixedly connected to the bottom of the support frame (101), characterized in that: The support frame (101) is provided with a rotating mechanism (2) at the top, and the base (102) is provided with a fixing mechanism (3) and the fixing mechanism (3) is located inside the pipe (103); The rotating mechanism (2) includes a top shell (201) fixedly connected to the top of the support frame (101). A moving component is provided on the top shell (201), and a moving plate (202) is fixedly connected to the moving component. A housing (203) is fixedly connected to one side of the moving plate (202), and a transmission component is provided on the other side of the moving plate (202). A toothed ring (207) is provided on the outer surface of the moving plate (202), and the toothed ring (207) is disposed inside the housing (203). A rotating component is fixedly connected to the outer surface of the toothed ring (207). The turntable (208) has a support ring (209) rotatably connected to its inner wall. The outer surface of the support ring (209) is fixedly connected to the outer surface of the moving plate (202). The outer surface of the support ring (209) is sleeved on the inner side of the toothed ring (207). Two paint storage tanks (210) are fixedly connected to the outer surface of the turntable (208). A connecting pipe (211) is fixedly connected to the inner wall of each of the two paint storage tanks (210). A spray gun (212) is fixedly connected to the end of the connecting pipe (211) away from the paint storage tank (210).

2. The anti-corrosion spraying device for water conservancy pipeline construction according to claim 1, characterized in that, A fixing plate (213) is fixedly connected to the outer surface of the spray gun (212), and the outer surface of the fixing plate (213) is fixedly connected to the outer surface of the turntable (208).

3. The anti-corrosion spraying device for water conservancy pipeline construction according to claim 1, characterized in that, The transmission assembly includes a first servo motor (204) fixedly connected to the other side of the moving plate (202). The output shaft of the first servo motor (204) is fixedly connected to a rotating shaft (205) via a coupling. The end of the rotating shaft (205) away from the first servo motor (204) passes through the outer surface of the moving plate (202). A gear (206) is fixedly connected to the outer surface of the rotating shaft (205). The gear (206) is disposed inside the housing (203). The outer surface of the gear (206) meshes with the outer surface of the gear ring (207).

4. The anti-corrosion spraying device for water conservancy pipeline construction according to claim 1, characterized in that, The moving component includes a second servo motor (214) fixedly connected to the outer surface of the top shell (201). The output shaft of the second servo motor (214) is fixedly connected to a screw (215) via a coupling. The outer surface of the screw (215) is rotatably connected to the inner wall of the top shell (201). A moving block (216) is threadedly connected to the outer surface of the screw (215). The bottom of the moving block (216) is fixedly connected to the top of the moving plate (202).

5. The anti-corrosion spraying device for water conservancy pipeline construction according to claim 4, characterized in that, The movable block (216) is fixedly connected to both sides with stabilizing bars (217), and the top shell (201) has two first grooves (218) that match the outer surface of the stabilizing bars (217).

6. The anti-corrosion spraying device for water conservancy pipeline construction according to claim 1, characterized in that, The fixing mechanism (3) includes two sliding plates (301) slidably connected to the inner wall of the base (102). A support plate (302) is fixedly connected to the top of each of the two sliding plates (301). A connecting plate (303) is fixedly connected to the inner wall of the support plate (302). A main rod (304) is fixedly connected to the inner wall of the connecting plate (303). The main rod (304) is located inside the pipe (103). A fixing cylinder (305) is fixedly connected to the outer surface of the main rod (304). Four first connecting rods (306) are rotatably connected to the outer surface of the fixing cylinder (305). A push block is rotatably connected to the end of each of the four first connecting rods (306) away from the fixing cylinder (305). (307), a contact strip (308) is fixedly connected to the outer surface of the push block (307), the outer surface of the contact strip (308) contacts the inner wall of the pipe (103), a second connecting rod (309) is rotatably connected to the inner wall of the push block (307), a moving ring (310) is rotatably connected to the outer surface of the second connecting rod (309), the outer surface of the moving ring (310) is slidably connected to the inner wall of the main body rod (304), a spring (311) is fixedly connected to the outer surface of the moving ring (310), a push rod (313) is fixedly connected to the inner wall of the moving ring (310), the push rod (313) is set inside the main body rod (304), and an adjustment component is provided inside the base (102).

7. The anti-corrosion spraying device for water conservancy pipeline construction according to claim 6, characterized in that, A rubber pad is fixedly connected to the outer surface of the contact strip (308) to prevent the pipe (103) from sliding on the contact strip (308). The main body rod (304) has four second sliding grooves (312) that match the outer surface of the moving ring (310). The end of the spring (311) away from the moving ring (310) is fixedly connected to the outer surface of the fixed cylinder (305). The inner side of the spring (311) is sleeved on the outer surface of the main body rod (304).

8. The anti-corrosion spraying device for water conservancy pipeline construction according to claim 6, characterized in that, The adjustable distance assembly includes a partition (314) fixedly connected to the inner wall of the base (102), and electric push rods (315) fixedly connected to both sides of the partition (314). The end of the electric push rod (315) away from the partition (314) is fixedly connected to the outer surface of the sliding plate (301).

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