Axial flow fan test equipment

Abstract

The utility model relates to the technical field of axial flow fan test equipment, in particular to axial flow fan test equipment. The device comprises four moving wheels and a replacement structure, the upper surfaces of the four moving wheels are fixedly connected with a supporting frame, the upper surface of the supporting frame is fixedly connected with a control device and a display device, the upper surface of the supporting frame is fixedly connected with a test tube, one side of the supporting frame is fixedly connected with a fixing plate, and the other side of the supporting frame is fixedly connected with the replacement structure. The upper surface of the fixing plate is connected with a connecting frame through a replacement structure, the upper surface of the connecting frame is fixedly connected with an axial flow fan body, and the axial flow fan body is connected with a test tube through the replacement structure. The problem that when a worker needs to replace an axial flow fan with other powers for testing, the worker needs to disassemble bolts and nuts one by one to replace the axial flow fan, and due to the fact that the forming process is tedious, the working efficiency of the worker is low is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of axial flow fan test equipment, in particular to an axial flow fan test equipment. Background Art

[0002] The axial flow fan test equipment is composed of a moving wheel, a support frame, a fixed plate, a connecting frame, an axial flow fan body, a control device, a display device and a test tube. It is mainly used for axial flow fan testing and is relatively common in the existing technology.

[0003] In the prior art, bolts and nuts are used to fix the axial flow fan and the test tube together. Since the bolts and nuts need to be rotated and fixed with professional tools during installation and removal, when the personnel need to replace the axial flow fan with another power for testing, the bolts and nuts need to be removed one by one to replace the axial flow fan. Since the construction process is relatively cumbersome, it will lead to the problem of low work efficiency of the personnel. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that when personnel need to replace an axial flow fan of other power for testing, they need to disassemble the bolts and nuts one by one to replace the axial flow fan. Since the construction process is relatively cumbersome, it will lead to low work efficiency of personnel. An axial flow fan testing equipment is proposed to solve the problem.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: an axial flow fan test equipment, including four moving wheels and a replacement structure, the upper surfaces of the four moving wheels are fixedly connected to a support frame, the upper surface of the support frame is fixedly connected to a control device and a display device, the upper surface of the support frame is fixedly connected to a test tube, one side of the support frame is fixedly connected to a fixing plate, the upper surface of the fixing plate is connected to the connecting frame with the help of a replacement structure, the upper surface of the connecting frame is fixedly connected to an axial flow fan body, the axial flow fan body is connected to the test tube with the help of a replacement structure, the arc surface of the test tube is provided with a replacement structure, the replacement structure includes an auxiliary groove, a connecting ring, a fixing ring and an auxiliary ring, the fixing ring is fixedly connected to the test tube, the auxiliary groove is opened on the fixing plate, the connecting ring is connected to The axial fan body is fixedly connected, the test tube is fixedly connected to the auxiliary ring, the inner wall of the auxiliary groove is slidably connected with a connecting block, the connecting block is fixedly connected to the connecting frame, the side of the connecting ring close to the test tube is fixedly connected with several fixing columns, the inner wall of the auxiliary ring is provided with several limiting holes, the limiting holes slide with the fixing columns, the auxiliary ring is rotatably connected with a connecting ring on the side away from the connecting ring, the arc surface of the connecting ring is fixedly connected with several limiting blocks, the inner wall of the limiting block is provided with a limiting groove, the limiting groove is slidably connected with the fixing column, the side of the connecting ring away from the auxiliary ring is fixedly connected with a swivel, the swivel is rotatably connected to the test tube, the connecting ring is rotatably connected to the test tube, a coil spring is provided between the swivel and the fixing ring, and the two ends of the coil spring are respectively fixedly connected to the swivel and the fixing ring.

[0006] The effect achieved by the above components is: by setting up a replacement structure, when it is necessary to use an axial flow fan body of other power for testing, the personnel can rotate the connecting ring to make the limit block slide out of the inner wall of the limit groove, and then the personnel can move the axial flow fan body to make the connecting block slide out of the inner wall of the auxiliary groove. At this time, the axial flow fan body of other power can be replaced for testing, which can facilitate the personnel to quickly replace the axial flow fan body, thereby improving the work efficiency of the personnel.

[0007] Preferably, a handle is fixedly connected to the arc surface of the connecting ring, and the handle is "U"-shaped.

[0008] The effect achieved by the above components is that the handle can facilitate personnel to rotate the connecting ring, which can improve the convenience of personnel operation.

[0009] Preferably, one end of the fixing column close to the swivel is fixedly connected to a guide block.

[0010] The effects achieved by the above components are as follows: the guide block can guide the fixed column, making it easier for the fixed column to slide into the inner wall of the limiting hole.

[0011] Preferably, three positioning blocks are fixedly connected to a side of the fixing plate away from the supporting frame, and the three positioning blocks are evenly distributed at the notches of the auxiliary slots.

[0012] The effects achieved by the above components are: the positioning block can limit the connection block, making it convenient for personnel to slide the connection block into the inner wall of the auxiliary groove.

[0013] Preferably, the arc surface of the axial fan body is provided with a protective structure, and the protective structure includes two positioning plates, and the two positioning plates are fixedly connected to the axial fan body. The inner wall of the positioning plate is provided with a connecting groove, and the inner wall of the connecting groove is slidably connected with a mounting block and an insertion rod, and the end of the insertion rod away from the mounting block is fixedly connected with a pull ring, and the mounting block is slidably connected to the insertion rod, and a protective net is fixedly connected to the side where the two mounting blocks are close to each other, and the protective net is slidably connected to the positioning plate.

[0014] The effect achieved by the above components is: by setting up a protective structure, when the axial flow fan body needs to be used for testing, the personnel can first cover the protective net on the arc surface of the air outlet of the axial flow fan body, so that the mounting block slides into the inner wall of the connecting groove, and finally move the plug rod to make the plug rod slide into the inner wall of the mounting block. At this time, the axial flow fan body can be started for testing, thereby reducing dust and impurities from entering the inner wall of the axial flow fan body and affecting the test effect of the axial flow fan body.

[0015] Preferably, the arc surface of the insertion rod is covered with a spring, and both ends of the spring are fixedly connected to the positioning plate and the insertion rod respectively.

[0016] The effects achieved by the above components are: the spring can limit the insertion rod, thereby preventing the insertion rod from sliding out from the inner wall of the mounting block during the operation of the axial flow fan body.

[0017] Preferably, the protective net is a stainless steel net.

[0018] The effects achieved by the above components are: the stainless steel mesh has high strength and good wear resistance, and short-term use is not likely to cause serious damage to the protective mesh.

[0019] In summary, the beneficial effects of the present invention are as follows:

[0020] In the present invention, when it is necessary to use an axial flow fan body of other power for testing, the personnel can first use the handle to drive the connecting ring to rotate, and the connecting ring drives the rotating ring and several limit blocks to rotate, wherein the handle can facilitate the personnel to rotate the connecting ring, which can improve the personnel's operation convenience, and then the rotating ring drives the winding spring to reel until the limit block completely slides out of the inner wall of the limit groove. At this time, the personnel moves the axial flow fan body to move it away from the test tube, the axial flow fan body drives the connecting ring and the connecting frame to move away from the test tube, the connecting frame drives the connecting block to move away from the test tube, and the connecting ring drives several fixed columns Move in the direction away from the test tube, and the fixed column drives the guide block to move in the direction away from the test tube, wherein the guide block can guide the fixed column, which can facilitate the fixed column to slide into the inner wall of the limiting hole until the connecting block slides out of the inner wall of the auxiliary groove. At this time, the guide block also slides out of the inner wall of the limiting hole. At this time, the personnel can replace the axial flow fan body of other powers for testing. The three positioning blocks on one side of the fixed plate can limit the connecting block, which can facilitate the personnel to slide the connecting block into the inner wall of the auxiliary groove. By setting up the replacement structure, the effect of facilitating the personnel to quickly disassemble and replace the axial flow fan body is achieved, thereby speeding up the replacement speed of personnel and improving the work efficiency of personnel.

[0021] When the cam is released, the spring will rebound and drive the rod to move in the direction close to the mounting block until the rod slides into the inner wall of the mounting block, wherein the protective net is made of stainless steel mesh, which has high strength and good wear resistance, and is not easy to cause serious damage to the protective net during short-term use. By setting the protective structure, the air outlet of the axial flow fan body can be protected, thereby reducing the dust and impurities from entering the interior of the axial flow fan body during the test of the axial flow fan body and affecting the test effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the replacement structure of the utility model;

[0024] Figure 3For this utility model Figure 2 The right side structural diagram of

[0025] Figure 4 For this utility model Figure 3 A magnified view of point A;

[0026] Figure 5 This is a schematic diagram of the protective structure of the utility model;

[0027] Figure 6 For this utility model Figure 5 Enlarged view of point B.

[0028] Legend: 1. Moving wheel; 2. Support frame; 3. Replacement structure; 301. Auxiliary groove; 302. Positioning block; 303. Connecting block; 304. Connecting ring; 305. Auxiliary ring; 306. Fixed column; 307. Guide block; 308. Limiting block; 309. Limiting groove; 310. Connecting ring; 311. Handle; 312. Rotating ring; 313. Coil spring; 314. Fixed ring; 315. Limiting hole; 4. Protective structure; 41. Positioning plate; 42. Connecting groove; 43. Mounting block; 44. Insert rod; 45. Spring; 46. Pull ring; 47. Protective net; 5. Fixed plate; 6. Connecting frame; 7. Axial fan body; 8. Control device; 9. Display device; 10. Test tube. DETAILED DESCRIPTION

[0029] Reference Figure 1 As shown, the utility model provides a technical solution: an axial flow fan test equipment, comprising four moving wheels 1 and a replacement structure 3, the upper surfaces of the four moving wheels 1 are fixedly connected with a support frame 2, the upper surface of the support frame 2 is fixedly connected with a control device 8 and a display device 9, the upper surface of the support frame 2 is fixedly connected with a test tube 10, one side of the support frame 2 is fixedly connected with a fixed plate 5, the upper surface of the fixed plate 5 is connected to the connecting frame 6 by means of the replacement structure 3, the upper surface of the connecting frame 6 is fixedly connected with an axial flow fan body 7, the axial flow fan body 7 is connected to the test tube 10 by means of the replacement structure 3, the arc surface of the test tube 10 is provided with a replacement structure 3, and the arc surface of the axial flow fan body 7 is provided with a protective structure 4.

[0030] The following specifically describes the specific settings and functions of the replacement structure 3 and the protective structure 4.

[0031] Reference Figures 2 to 4As shown, in this embodiment: the replacement structure 3 includes an auxiliary groove 301, a connecting ring 304, a fixing ring 314 and an auxiliary ring 305, the fixing ring 314 is fixedly connected to the test tube 10, the auxiliary groove 301 is provided on the fixing plate 5, the connecting ring 304 is fixedly connected to the axial flow fan body 7, the test tube 10 is fixedly connected to the auxiliary ring 305, the inner wall of the auxiliary groove 301 is slidably connected with a connecting block 303, the connecting block 303 is fixedly connected to the connecting frame 6, a side of the connecting ring 304 close to the test tube 10 is fixedly connected with a plurality of fixing columns 306, and the inner wall of the auxiliary ring 305 is provided with a plurality of limiting holes 315. The positioning hole 315 slides with the fixed column 306, and the auxiliary ring 305 is rotatably connected to the side of the connecting ring 304 with the connecting ring 310. The arc surface of the connecting ring 310 is fixedly connected with a plurality of limit blocks 308. The inner wall of the limit block 308 is provided with a limit groove 309. The limit groove 309 is slidably connected with the fixed column 306. The side of the connecting ring 310 away from the auxiliary ring 305 is fixedly connected with a swivel 312. The swivel 312 is rotatably connected to the test tube 10. The connecting ring 310 is rotatably connected to the test tube 10. A coil spring 313 is provided between the swivel 312 and the fixed ring 314. The two ends of the coil spring 313 are respectively connected to the swivel 312. It is fixedly connected to the fixing ring 314. By setting the replacement structure 3, when it is necessary to use an axial flow fan body 7 of other power for testing, the personnel can rotate the connecting ring 310 to make the limit block 308 slide out of the inner wall of the limit groove 309, and then move the axial flow fan body 7 to make the connecting block 303 slide out of the inner wall of the auxiliary groove 301. At this time, the axial flow fan body 7 of other power can be replaced for testing, which can facilitate the personnel to quickly replace the axial flow fan body 7 and improve the work efficiency of the personnel. The arc surface of the connecting ring 310 is fixedly connected with a handle 311, and the handle 311 is in the shape of a "U The handle 311 can facilitate personnel to rotate the connecting ring 310, which can improve the convenience of personnel operation. The end of the fixing column 306 close to the rotating ring 312 is fixedly connected to the guide block 307, which can guide the fixing column 306, making it convenient for the fixing column 306 to slide into the inner wall of the limiting hole 315. The side of the fixing plate 5 away from the support frame 2 is fixedly connected with three positioning blocks 302. The three positioning blocks 302 are evenly distributed at the notches of the auxiliary groove 301. The positioning blocks 302 can limit the connecting block 303, making it convenient for personnel to slide the connecting block 303 into the inner wall of the auxiliary groove 301.

[0032] Reference Figure 5 and Figure 6As shown, in this embodiment: the protective structure 4 includes two positioning plates 41, the two positioning plates 41 are fixedly connected to the axial flow fan body 7, the inner wall of the positioning plate 41 is provided with a connecting groove 42, the inner wall of the connecting groove 42 is slidably connected with a mounting block 43 and a plug rod 44, the plug rod 44 is fixedly connected to one end of the mounting block 43 with a pull ring 46, the mounting block 43 slides with the plug rod 44, and the side of the two mounting blocks 43 close to each other is fixedly connected with a protective net 47, the protective net 47 slides with the positioning plate 41, by setting the protective structure 4, when the axial flow fan body 7 needs to be used for testing, the personnel can first cover the protective net 47 on the arc surface of the air outlet of the axial flow fan body 7, so that the mounting block 43 slides into the connecting groove 4 2, and finally move the plug rod 44 so that the plug rod 44 slides into the inner wall of the mounting block 43. At this time, the axial flow fan body 7 can be started for testing, thereby reducing the dust and impurities from entering the inner wall of the axial flow fan body 7 and affecting the test effect of the axial flow fan body 7. The arc surface of the plug rod 44 is sleeved with a spring 45, and the two ends of the spring 45 are fixedly connected to the positioning plate 41 and the plug rod 44 respectively. The spring 45 can limit the plug rod 44 to prevent the axial flow fan body 7 from sliding out of the inner wall of the mounting block 43 during operation. The protective net 47 is a stainless steel net. The stainless steel net has high strength and good wear resistance, and short-term use is not easy to cause more serious damage to the protective net 47.

[0033] Working principle: when it is necessary to use an axial flow fan body 7 of other power for testing, the personnel can first use the handle 311 to drive the connecting ring 310 to rotate, and the connecting ring 310 drives the rotating ring 312 and several limit blocks 308 to rotate, wherein the handle 311 can facilitate the personnel to rotate the connecting ring 310, which can improve the personnel's operation convenience, and then the rotating ring 312 drives the coil spring 313 to rewind until the limit block 308 completely slides out of the inner wall of the limit groove 309. At this time, the personnel moves the axial flow fan body 7 to move the axial flow fan body 7 away from the test tube 10, and the axial flow fan body 7 drives the connecting ring 304 and the connecting frame 6 to move away from the test tube 10, and the connecting frame 6 drives the connecting block 30 3 moves in the direction away from the test tube 10, the connecting ring 304 drives several fixed columns 306 to move in the direction away from the test tube 10, and the fixed columns 306 drive the guide blocks 307 to move in the direction away from the test tube 10, wherein the guide blocks 307 can guide the fixed columns 306, which can facilitate the fixed columns 306 to slide into the inner wall of the limiting hole 315 until the connecting block 303 slides out of the inner wall of the auxiliary groove 301. At this time, the guide blocks 307 also slide out of the inner wall of the limiting hole 315. At this time, the personnel can replace the axial flow fan body 7 of other power for testing. The three positioning blocks 302 on one side of the fixing plate 5 can limit the connecting block 303, which can facilitate the personnel to slide the connecting block 303 into the inner wall of the auxiliary groove 301.

[0034] In addition, when it is necessary to use the axial flow fan body 7 for testing, the personnel can first use the pull ring 46 to drive the plug rod 44 to move in the direction away from the connecting groove 42, and the plug rod 44 drives the spring 45 to stretch, wherein the spring 45 can limit the plug rod 44, which can prevent the plug rod 44 from sliding out of the inner wall of the mounting block 43 during the operation of the axial flow fan body 7, until the plug rod 44 slides out of the inner wall of the connecting groove 42, and then the personnel moves the protective net 47, and the protective net 47 drives the two mounting blocks 43 to move until the protective net 47 is sleeved on the arc surface of the air outlet of the axial flow fan body 7 and the mounting block 43 slides into the inner wall of the connecting groove 42, and then the personnel releases the pull ring 46, at this time the spring 45 rebounds and drives the plug rod 44 to move in the direction close to the mounting block 43 until the plug rod 44 slides into the inner wall of the mounting block 43, wherein the protective net 47 is a stainless steel net, which has high strength and good wear resistance, and is not easy to cause serious damage to the protective net 47 by short-term use.

[0035] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

Claims

1. An axial flow fan test device, comprising four moving wheels (1) and a replacement structure (3), characterized in that: The upper surfaces of the four moving wheels (1) are fixedly connected to a support frame (2), the upper surface of the support frame (2) is fixedly connected to a control device (8) and a display device (9), the upper surface of the support frame (2) is fixedly connected to a test tube (10), one side of the support frame (2) is fixedly connected to a fixing plate (5), the upper surface of the fixing plate (5) is connected to a connecting frame (6) by means of a replacement structure (3), the upper surface of the connecting frame (6) is fixedly connected to an axial flow fan body (7), the axial flow fan body (7) is connected to the test tube by means of the replacement structure (3), and the upper surface of the connecting frame (6) is fixedly connected to the axial flow fan body (7). (10) is connected, the arc surface of the test tube (10) is provided with a replacement structure (3), the replacement structure (3) includes an auxiliary groove (301), a connecting ring (304), a fixing ring (314) and an auxiliary ring (305), the fixing ring (314) is fixedly connected to the test tube (10), the auxiliary groove (301) is opened on the fixing plate (5), the connecting ring (304) is fixedly connected to the axial flow fan body (7), the test tube (10) is fixedly connected to the auxiliary ring (305), and the inner wall of the auxiliary groove (301) is slidably connected to the connecting ring (314). The connecting block (303) is fixedly connected to the connecting frame (6), the connecting ring (304) is fixedly connected to a plurality of fixed columns (306) on the side close to the test tube (10), the inner wall of the auxiliary ring (305) is provided with a plurality of limiting holes (315), the limiting holes (315) and the fixed columns (306) slide, the auxiliary ring (305) is rotatably connected to a connecting ring (310) on the side away from the connecting ring (304), the arc surface of the connecting ring (310) is fixedly connected to a plurality of limiting blocks (308 ... limiting holes (315) and the fixed columns (306) slide, the auxiliary ring (305) is rotatably connected to a connecting ring (310), the limiting holes (315) and the fixed columns (306) slide, the auxiliary ring (305) is rotatably connected to a connecting ring (310) A limiting groove (309) is provided on the inner wall of the block (308), and the limiting groove (309) is slidably connected to the fixed column (306). A rotating ring (312) is fixedly connected to the side of the connecting ring (310) away from the auxiliary ring (305). The rotating ring (312) is rotatably connected to the test tube (10). The connecting ring (310) is rotatably connected to the test tube (10). A coil spring (313) is provided between the rotating ring (312) and the fixed ring (314), and the two ends of the coil spring (313) are respectively fixedly connected to the rotating ring (312) and the fixed ring (314).

2. The axial flow fan test equipment according to claim 1, characterized in that: The arc surface of the connecting ring (310) is fixedly connected to a handle (311), and the handle (311) is U-shaped.

3. The axial flow fan testing equipment according to claim 1, characterized in that: One end of the fixed column (306) close to the rotating ring (312) is fixedly connected to a guide block (307).

4. The axial flow fan testing equipment according to claim 1, characterized in that: Three positioning blocks (302) are fixedly connected to one side of the fixing plate (5) away from the support frame (2), and the three positioning blocks (302) are evenly distributed at the notches of the auxiliary groove (301).

5. The axial flow fan testing equipment according to claim 1, characterized in that: The arc surface of the axial flow fan body (7) is provided with a protective structure (4), and the protective structure (4) includes two positioning plates (41). The two positioning plates (41) are fixedly connected to the axial flow fan body (7). The inner wall of the positioning plate (41) is provided with a connecting groove (42). The inner wall of the connecting groove (42) is slidably connected with a mounting block (43) and an insertion rod (44). The end of the insertion rod (44) away from the mounting block (43) is fixedly connected with a pull ring (46). The mounting block (43) is slidably connected to the insertion rod (44). The side of the two mounting blocks (43) close to each other is fixedly connected with a protective net (47), and the protective net (47) is slidably connected to the positioning plate (41).

6. The axial flow fan testing equipment according to claim 5, characterized in that: The arc surface of the insertion rod (44) is sleeved with a spring (45), and the two ends of the spring (45) are fixedly connected to the positioning plate (41) and the insertion rod (44) respectively.

7. The axial flow fan testing equipment according to claim 5, characterized in that: The protective net (47) is a stainless steel net.

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