Pneumatic height adjusting equipment for fan cover

Abstract

The utility model relates to the technical field of fan cover detection, and discloses a pneumatic height adjusting device for a fan cover, which comprises a detection table, the top of the detection table is fixedly connected with a support frame, the bottom of the detection table is fixedly connected with an air cylinder, the top of the support frame is slidably connected with a clamping seat, and the clamping seat is fixedly connected with the air cylinder. The output end of the air cylinder is fixedly connected with the clamping base, the top of the clamping base is fixedly connected with a center screw rod, the center screw rod is sleeved with a fan cover, the top of the outer side of the center screw rod is sleeved with an auxiliary fixing block, the outer side of the center screw rod is in threaded connection with a fixing nut, and the bottom of the auxiliary fixing block abuts against the fan cover. The outer side of the auxiliary fixing block is fixedly connected with a height detection mechanism, and the problems that when an existing fan cover is detected and adjusted, the distance of the adjusted fan cover is difficult to control, the fan cover is likely to shake in the vertical height adjusting process of the fan cover, detection of the fan cover is affected, and the follow-up testing accuracy is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of wind hood detection, in particular to a pneumatic height adjustment device for a wind hood. Background Art

[0002] The fan hood, as a key protective component of the fan, has multiple functions such as heat dissipation, exhaust, and ventilation protection. It can not only control the emission of harmful substances, protect the environment and personnel safety, but also prevent debris from entering the fan to ensure stable operation. The hood is made of strong materials such as steel, which is impact-resistant and corrosion-resistant, improves the stability of the equipment and prolongs its service life. At the same time, it can also isolate noise and vibration and provide a comfortable working environment. There are many types such as axial fan hoods and industrial fan hoods to meet different needs. After the fan hood is produced, the distance between the hood and the fan blades needs to be tested and adjusted to optimize the performance and efficiency of the fan.

[0003] It is difficult to control the distance of the existing wind hood after adjustment during detection, and the wind hood is prone to shaking during the process of adjusting the height of the wind hood up and down, which will affect the detection of the wind hood and the accuracy of subsequent tests. Utility Model Content

[0004] The utility model provides a pneumatic height adjustment device for a wind hood, which has the beneficial effect of fixing the wind hood during detection, and solves the problem mentioned in the above background technology that the distance of the existing wind hood after adjustment is difficult to control during detection and adjustment, and the wind hood is prone to shaking during the process of adjusting the height of the wind hood up and down, which will affect the detection of the wind hood and affect the accuracy of subsequent tests.

[0005] The utility model provides the following technical solution: a pneumatic height adjustment device for a wind hood, comprising a detection platform, the top of the detection platform is fixedly connected to a support frame, the bottom of the detection platform is fixedly connected to a cylinder, the top of the support frame is slidably connected to a clamping seat, the output end of the cylinder is fixedly connected to the clamping seat, the top of the clamping seat is fixedly connected to a center screw, the outer side of the center screw is sleeved with a wind hood, the top of the outer side of the center screw is sleeved with an auxiliary fixing block, the outer side of the center screw is threadedly connected with a fixing nut, the bottom of the auxiliary fixing block is in contact with the wind hood, and the outer side of the auxiliary fixing block is fixedly connected to a height detection mechanism.

[0006] As an optional solution of the pneumatic height adjustment device for the wind hood of the utility model, the height detection mechanism includes a connecting frame, a detection plate is fixedly connected to one side of the connecting frame, and the detection plate is slidably connected to the outer side of the support frame.

[0007] As an optional solution of the pneumatic height adjustment device for the wind hood of the utility model, wherein: an identification plate is fixedly connected to the outer side of the support frame, and the identification plate is slidably connected to the detection plate.

[0008] As an optional solution of the pneumatic height adjustment device for the wind hood of the utility model, wherein: a convex plate is fixedly connected to the top of the support frame, a groove is provided at the bottom of the clamping seat, and the convex plate and the groove are gap-matched.

[0009] As an optional solution of the pneumatic height adjustment device for the wind hood of the utility model, a plug-in slot is provided on the top of the wind hood, and a plug-in column is provided on the bottom of the auxiliary fixing block, and the plug-in column is gap-matched with the plug-in slot.

[0010] As an optional solution of the pneumatic height adjustment device for the wind hood of the utility model, wherein: the outer side of the detection plate is slidably connected to a limit plate, and one side of the limit plate is fixedly connected to the support frame.

[0011] As an optional solution of the pneumatic height adjustment device for the wind hood of the utility model, one side of the detection plate is fixedly connected with a sliding block, and one side of the limit plate is provided with a sliding groove.

[0012] The utility model has the following beneficial effects:

[0013] 1. The pneumatic height adjustment device for the hood is provided with a support frame, a cylinder, a clamping seat, a hood and an auxiliary fixing block. After the cylinder is started, the output end of the cylinder can push the clamping seat to move upward, so that the clamping seat can push the hood to move upward, thereby increasing the distance between the hood and the testing table, thereby achieving the effect of adjusting the height of the hood. When the cylinder starts and the output end contracts, the hood can be driven to move downward to reduce the height of the hood. The hood can be driven to adjust the height up and down by starting the cylinder. The adjusted hood is convenient for the detection of length, width, height and outer and inner defects, and prevents the situation that the bottom of the hood cannot be detected due to the small gap between the hood and the desktop during detection, thereby improving the convenience of hood detection.

[0014] 2. The pneumatic height adjustment device for the hood is provided with a height detection mechanism. During the up and down movement of the hood, the auxiliary fixing block on the top of the hood will also move up and down, and the up and down movement of the auxiliary fixing block will drive the detection plate to move up and down through the connecting frame. After the detection plate stops moving, the distance between the hood and the detection platform after movement can be obtained by reading the part of the numbers aligned with the scale lines opened on the side wall of the identification plate. The height of the hood after adjustment can be accurately grasped, which is convenient for subsequent detection of products of the same specifications to grasp the distance, further improving the convenience of hood detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is a structural schematic diagram of the utility model.

[0016] Figure 2 It is a structural schematic diagram of the support frame and the wind cover of the utility model.

[0017] Figure 3 It is a schematic diagram of the cross-sectional structure of the clamping seat of the utility model.

[0018] Figure 4 It is a structural schematic diagram of the wind hood of the utility model.

[0019] Figure 5 For this utility model Figure 3 Enlarged structural diagram at A in the middle.

[0020] In the figure: 1. test table; 2. support frame; 3. cylinder; 4. snap-fit ​​seat; 5. center screw; 6. wind hood; 7. auxiliary fixing block; 8. fixing nut; 901. connecting frame; 902. test plate; 903. identification plate; 10. convex plate; 11. groove; 12. plug-in slot; 13. plug-in column; 14. limit plate; 15. sliding block; 16. spring; 17. sliding slot. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Embodiment 1

[0023] See also Figures 1 to 5 A pneumatic height adjustment device for a wind hood comprises a testing platform 1, a supporting frame 2 is fixedly connected to the top of the testing platform 1, the supporting frame 2 is cylindrical, and the inside of the cylindrical supporting frame 2 is hollow, a hole is opened inside the testing platform 1, a cylinder 3 is fixedly connected to the bottom of the testing platform 1, a clamping seat 4 is slidably connected to the top of the supporting frame 2, the output end of the cylinder 3 extends through the hole inside the testing platform 1 to the inside of the supporting frame 2 and is fixedly connected to the clamping seat 4, a center screw 5 is fixedly connected to the center position of the top of the clamping seat 4, a wind hood 6 is sleeved on the outside of the center screw 5, an auxiliary fixing block 7 is sleeved on the top of the outside of the center screw 5, a fixing nut 8 is threadedly connected to the outside of the center screw 5, the fixing nut 8 is located at the top of the auxiliary fixing block 7, the fixing nut 8 presses down the auxiliary fixing block 7 so that the bottom of the auxiliary fixing block 7 contacts the wind hood 6, and a height detection mechanism is fixedly connected to the outside of the auxiliary fixing block 7.

[0024] The height detection mechanism includes a connecting frame 901, and a detection plate 902 is fixedly connected to one side of the connecting frame 901. A height scale line is opened on the side of the detection plate 902 away from the support frame 2. The height scale line takes the middle of the detection plate 902 as the starting point and extends downward from the starting point. The detection plate 902 is slidably connected to the outer side of the support frame 2.

[0025] An identification plate 903 is fixedly connected to the outer side of the support frame 2 . A triangular scale line is provided on the side of the identification plate 903 away from the support frame 2 . The sharp corner of the scale line is connected to the identification plate 903 . The identification plate 903 is slidably connected to the detection plate 902 .

[0026] The working principle of this embodiment is as follows: the air hood 6 is sleeved on the outside of the central screw rod 5, and then the air hood 6 is pressed on the top of the clamping seat 4 through the auxiliary fixing block 7, and then the cylinder 3 is started, and the output end of the cylinder 3 pushes the clamping seat 4 to move upward, so that the clamping seat 4 can push the air hood 6 to move upward, thereby increasing the distance between the air hood 6 and the testing table 1, and achieving the effect of adjusting the height of the air hood 6; when the output end of the cylinder 3 is started and contracts, the air hood 6 can be driven to move downward, so that the height of the air hood 6 is reduced, and the air hood 6 can be driven to adjust the height up and down by starting the cylinder 3. The adjusted air hood 6 is convenient for the detection of length, width, height, outer and inner defects, and prevents the situation that the gap between the air hood 6 and the desktop is small during detection, resulting in the inability to detect the bottom of the air hood 6, thereby improving the convenience of air hood 6 detection;

[0027] During the up and down movement of the wind hood 6, the auxiliary fixing block 7 on the top of the wind hood 6 will also move up and down, and the up and down movement of the auxiliary fixing block 7 will drive the detection plate 902 to move up and down through the connecting frame 901. After the detection plate 902 stops moving, the distance between the wind hood 6 and the detection platform 1 after moving can be obtained by reading the part of the numbers aligned with the scale line opened on the side wall of the identification plate 903. The height of the wind hood 6 after adjustment can be accurately grasped, which is convenient for grasping the distance when subsequently testing products of the same specifications, and further improving the convenience of detecting the wind hood 6.

[0028] Embodiment 2

[0029] This embodiment is an improvement made on the basis of the first embodiment. For details, please refer to Figures 1 to 5 A convex plate 10 is fixedly connected to the top of the support frame 2, and a groove 11 is provided at the bottom of the clamping seat 4, and the convex plate 10 and the groove 11 are clearance-matched.

[0030] By providing the convex plate 10 and the groove 11 , the wind hood 6 can be initially fixed when placed on the top of the support frame 2 , which has a good fixing effect on the wind hood 6 and is convenient for subsequent re-fixation by the auxiliary fixing block 7 .

[0031] A plug-in slot 12 is provided at the top of the wind cover 6 , and a plug-in column 13 is provided at the bottom of the auxiliary fixing block 7 . The plug-in column 13 is clearance-matched with the plug-in slot 12 .

[0032] By providing the plug-in slot 12 and the plug-in column 13 , the auxiliary fixing block 7 can be inserted into the top of the wind hood 6 through the plug-in column 13 , thereby fixing the wind hood 6 , thereby improving the fixing effect of the auxiliary fixing block 7 on the wind hood 6 .

[0033] The outer side of the detection plate 902 is slidably connected to the limit plate 14 , and one side of the limit plate 14 is fixedly connected to the support frame 2 .

[0034] By setting the limit plate 14, the limit plate 14 can limit the detection plate 902, so that the detection plate 902 will not shake when moving up and down, resulting in movement jams.

[0035] A sliding block 15 is fixedly connected to one side of the detection plate 902 , and a sliding groove 17 is provided on one side of the limiting plate 14 . The sliding groove 17 and the sliding block 15 are clearance-matched, and the sliding block 15 slides up and down in the sliding groove 17 .

[0036] By setting the sliding block 15, the sliding block 15 can limit the movement of the detection plate 902, so that the detection plate 902 is more stable when moving.

[0037] A spring 16 is fixedly connected to the bottom of the detection plate 902 .

[0038] By providing the spring 16 , the spring 16 can play a buffering role when the detection plate 902 moves downward, thereby preventing the detection plate 902 from colliding with the detection platform 1 and being damaged when moving downward.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A pneumatic height adjustment device for a hood, comprising a test bench (1), characterized in that: The top of the detection platform (1) is fixedly connected to a support frame (2), the bottom of the detection platform (1) is fixedly connected to a cylinder (3), the top of the support frame (2) is slidably connected to a clamping seat (4), the output end of the cylinder (3) is fixedly connected to the clamping seat (4), the top of the clamping seat (4) is fixedly connected to a center screw (5), the outer side of the center screw (5) is sleeved with a wind cover (6), the top of the outer side of the center screw (5) is sleeved with an auxiliary fixing block (7), the outer side of the center screw (5) is threadedly connected to a fixing nut (8), the bottom of the auxiliary fixing block (7) is in contact with the wind cover (6), and the outer side of the auxiliary fixing block (7) is fixedly connected to a height detection mechanism.

2. The pneumatic height adjustment device for the wind shield according to claim 1, characterized in that: The height detection mechanism comprises a connecting frame (901), one side of the connecting frame (901) is fixedly connected with a detection plate (902), and the detection plate (902) is slidably connected to the outer side of the support frame (2).

3. The pneumatic height adjustment device for the wind shield according to claim 2, characterized in that: An identification plate (903) is fixedly connected to the outer side of the support frame (2), and the identification plate (903) is slidably connected to the detection plate (902).

4. The pneumatic height adjustment device for the wind shield according to claim 1, characterized in that: A convex plate (10) is fixedly connected to the top of the support frame (2), a groove (11) is provided at the bottom of the clamping seat (4), and the convex plate (10) and the groove (11) are clearance-matched.

5. The pneumatic height adjustment device for the wind shield according to claim 1, characterized in that: The top of the wind cover (6) is provided with a plug-in slot (12), and the bottom of the auxiliary fixing block (7) is provided with a plug-in column (13), and the plug-in column (13) is clearance-matched with the plug-in slot (12).

6. The pneumatic height adjustment device for the wind shield according to claim 2, characterized in that: The outer side of the detection plate (902) is slidably connected to a limit plate (14), and one side of the limit plate (14) is fixedly connected to the support frame (2).

7. The pneumatic height adjustment device for the wind shield according to claim 6, characterized in that: A sliding block (15) is fixedly connected to one side of the detection plate (902), and a sliding groove (17) is provided on one side of the limit plate (14).

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