Testing device for fan blade production

Abstract

The utility model discloses a testing device for fan blade production, and relates to the technical field of fan testing. The device comprises a base, supporting frames which are symmetrically distributed are fixedly installed at the top end of the base, a first motor is arranged, when the first motor is started, one second rotating shaft is driven to rotate, then one second gear is driven to rotate, and therefore the other second gear and the second rotating shaft are driven to rotate; two second gears are used in cooperation, second belt wheels on the two sides are driven to rotate at the same time, then a transmission belt is driven to rotate, then a first belt wheel is driven to rotate, and the first belt wheel, the second belt wheels and the transmission belt are used in cooperation to drive a first rotating shaft to rotate, so that a first gear is driven to rotate, and then a first rack is driven to move up and down; and meanwhile, a first supporting plate, a second supporting plate, a third supporting plate and a fixing plate are driven to slide up and down, and the distance between fan pipes of different sizes and the ground is adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of fan testing, in particular to a testing device for fan blade production. Background Art

[0002] A fan is a machine that relies on input mechanical energy to increase gas pressure and discharge gas. It is a driven fluid machine and is the customary abbreviation for gas compression and gas delivery machinery in China. The fan usually refers to ventilators, blowers, wind turbines, etc. It is widely used in ventilation, dust removal and cooling of factories, mines, tunnels / cooling towers, vehicles, ships and buildings, ventilation and air induction of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selection of grains, wind tunnel wind sources and inflation and propulsion of hovercraft, etc.

[0003] However, when testing one type of centrifugal fan, the supporting device cannot be adjusted according to the size of the fan tube. For example, the support for a larger fan has low stability, which affects the fan test. Moreover, the length cannot be adjusted at will, and the support can only be provided at a determined distance between the fan tube and the ground. In view of the above problems, the inventors have proposed a testing device for fan blade production to solve the above problems. Utility Model Content

[0004] In order to solve the problem that the supporting device can be adjusted left and right and raised and lowered at will according to the sizes of different fan tubes, the purpose of the utility model is to provide a testing device for fan blade production.

[0005] To solve the above technical problems, the utility model adopts the following technical solutions: a test device for wind turbine blade production, comprising a base, a symmetrically distributed support frame is fixedly installed on the top of the base, a first support plate is slidably clamped inside the support frame, first racks are fixedly installed on opposite sides of two first support plates, empty grooves are opened on opposite sides of the two support frames, the first racks are slidably clamped in the empty grooves, a first gear is meshedly connected to the outer side of the first rack, a first rotating shaft is rotatably inserted in the middle of the first gear, a first pulley is fixedly sleeved on the outer side of the first rotating shaft, a symmetrically distributed first fixed block is fixedly installed on one side of the support frame close to the first gear, the first rotating shaft rotatably passes through the first fixed block, and symmetrically distributed first fixed blocks are fixedly installed on the top of the base. The gear train is annularly connected to the gear of the first gear and the angular channel is formed on the side of the gear train of the first gear and the side of the gear train is connected with the cam, and the cam is connected with the gear of the first gear to form a circle around the gear train of the first gear and the side of the gear train is connected with the cam.

[0006] Preferably, a symmetrically distributed fourth support plate is fixedly installed on the top of the fixed plate, a placement plate is fixedly installed on the top of the fourth support plate, the top of the third rotating shaft is fixedly installed on the bottom of the placement plate, and the external sliding sleeve of the placement plate is provided with symmetrically distributed clamping plates, one of the clamping plates is fixedly installed with a third fixed block on the bottom end of the side close to the second rack, and the bottom end of the third fixed block is fixedly installed on the top of the second rack, and the other clamping plate is fixedly installed with a fourth fixed block on the bottom end of the side away from the third fixed block, and the bottom end of the fourth fixed block is fixedly installed on the top of the third rack. A symmetrically distributed recessed frame is fixedly installed on the top of the fixed plate, and a groove is provided inside the recessed frame, and the opposite sides of the second rack and the third rack are respectively slidably engaged in the corresponding grooves.

[0007] Preferably, a first motor is fixedly mounted on the top of the base, a driving end of the first motor is fixedly mounted on the end of one of the second rotating shafts, a second motor is fixedly mounted on the bottom end of the fixed plate, and a driving end of the second motor is fixedly mounted on the bottom end of the third rotating shaft.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] 1. By setting a first motor, when the first motor is started, it drives one of the second shafts to rotate, and then drives one of the second gears to rotate, thereby driving the other second gear and the second shaft to rotate. The two second gears cooperate with each other to drive the second pulleys on both sides to rotate, and then drive the transmission belt to rotate, and then drive the first pulley to rotate. The first pulley, the second pulley and the transmission belt cooperate to drive the first shaft to rotate, thereby driving the first gear to rotate, and then driving the first rack to move up and down, and at the same time drive the first support plate and the second support plate, the third support plate and the fixed plate to slide up and down, so as to adjust the distance between fan pipes of different sizes and the ground.

[0010] 2. By setting up a second motor, when the second motor is started, the third shaft is driven to rotate, thereby driving the third gear to rotate, and then driving the second rack and the third rack to slide in the groove. With the cooperation of the third gear and the second rack and the third rack, the corresponding third fixed block and the clamping plate are driven to slide on the placement plate, and then the fan tubes of different sizes are clamped and fixed, thereby improving the stability of the fan during testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a schematic diagram of the structure of the utility model.

[0013] Figure 2 For this utility model Figure 1 Enlarged view of point A in the middle.

[0014] Figure 3 It is a schematic diagram of the connection structure between the third gear and the second rack in the utility model.

[0015] In the figure: 1, base; 11, support frame; 12, first support plate; 13, first rack; 14, first gear; 15, first rotating shaft; 16, first fixed block; 17, first pulley; 18, second fixed block; 19, first motor; 121, empty slot; 142, second support plate; 143, third support plate; 151, second rotating shaft; 152, second gear; 171, second pulley; 172, transmission belt; 2, fixed plate; 21, third rotating shaft; 22, third gear; 23, second rack; 24, fourth support plate; 25, placement plate; 26, clamping plate; 27, third fixed block; 28, recessed frame; 211, second motor; 231, third rack; 271, fourth fixed block; 281, recessed slot. DETAILED DESCRIPTION

[0016] 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.

[0017] Example: Figure 1-3As shown, the utility model provides a test device for wind turbine blade production, including a base 1, a symmetrically distributed support frame 11 is fixedly installed on the top of the base 1, a first support plate 12 is slidably clamped inside the support frame 11, and first racks 13 are fixedly installed on opposite sides of the two first support plates 12, and empty grooves 121 are opened on opposite sides of the two support frames 11, and the first racks 13 are slidably clamped in the empty grooves 121, and the outer side of the first rack 13 is meshedly connected with a first gear 14, and a first rotating shaft 15 is rotatably inserted in the middle of the first gear 14, and a first pulley 17 is fixedly sleeved on the outside of the first rotating shaft 15, and a symmetrically distributed first fixed block 16 is fixedly installed on one side of the support frame 11 close to the first gear 14, and the first rotating shaft 15 rotates through the first fixed block 16, and the top of the base 1 Two groups of symmetrically distributed second fixed blocks 18 are fixedly installed, and a second rotating shaft 151 is rotatably installed in the middle of each group of second fixed blocks 18. The second rotating shaft 151 is fixedly sleeved with a second pulley 171 on the outside, and the first pulley 17 and the second pulley 171 are provided with a transmission belt 172 on the outer movable sleeve. The outsides of the two second rotating shafts 151 are fixedly sleeved with second gears 152, and the two second gears 152 are meshingly connected. A first motor 19 is fixedly installed on the top of the base 1, and the driving end of the first motor 19 is fixedly installed on the end of one of the second rotating shafts 151. A second support plate 142 is fixedly installed on the top of the first support plate 12, and a symmetrically distributed third support plate 143 is fixedly installed on the top of the second support plate 142, and a fixed plate 2 is fixedly installed on the top of the third support plate 143.

[0018] By adopting the above technical solution, when the first motor 19 is started, it drives one of the second rotating shafts 151 to rotate, and then drives one of the second gears 152 to rotate, thereby driving the other second gear 152 and the second rotating shaft 151 to rotate. The two second gears 152 cooperate with each other to drive the second pulleys 171 on both sides to rotate, and then drive the transmission belt 172 to rotate, and then drive the first pulley 17 to rotate. The first pulley 17, the second pulley 171 and the transmission belt 172 cooperate to drive the first rotating shaft 15 to rotate, thereby driving the first gear 14 to rotate, and then driving the first rack 13 to move up and down, and at the same time drive the first support plate 12 and the second support plate 142, the third support plate 143 and the fixed plate 2 to slide up and down, so as to adjust the distance between the fan pipes of different sizes and the ground.

[0019] A third rotating shaft 21 is rotatably inserted in the middle of the fixed plate 2, a third gear 22 is fixedly sleeved on the outside of the third rotating shaft 21, a second rack 23 is meshedly connected to the outside of the third gear 22, a third rack 231 is meshedly connected to the side of the third gear 22 away from the second rack 23, a symmetrically distributed fourth support plate 24 is fixedly installed on the top of the fixed plate 2, a placement plate 25 is fixedly installed on the top of the fourth support plate 24, the top of the third rotating shaft 21 is fixedly installed on the bottom end of the placement plate 25, a symmetrically distributed clamping plate 26 is provided on the outer sliding sleeve of the placement plate 25, one of the clamping plates 26 is fixedly installed on the bottom end of one side close to the second rack 23 The fixing block 27, the bottom end of the third fixing block 27 is fixedly installed on the top of the second rack 23, the bottom end of the other clamping plate 26 away from the third fixing block 27 is fixedly installed with a fourth fixing block 271, the bottom end of the fourth fixing block 271 is fixedly installed on the top of the third rack 231, the top of the fixing plate 2 is fixedly installed with symmetrically distributed recessed frames 28, and the interior of the recessed frames 28 is provided with grooves 281, the opposite sides of the second rack 23 and the third rack 231 are respectively slidably engaged in the corresponding grooves 281, the bottom end of the fixing plate 2 is fixedly installed with a second motor 211, and the driving end of the second motor 211 is fixedly installed at the bottom end of the third rotating shaft 21.

[0020] By adopting the above technical solution, when the second motor 211 is started, the third rotating shaft 21 is driven to rotate, thereby driving the third gear 22 to rotate, and then driving the second rack 23 and the third rack 231 to slide in the groove 281. With the coordinated use of the third gear 22, the second rack 23 and the third rack 231, the corresponding third fixing block 27 and the clamping plate 26 are driven to slide on the placement plate 25, and then the fan tubes of different sizes are clamped and fixed, thereby improving the stability of the fan during testing.

[0021] Working principle: When in use, first move the supporting device to the fan test position, then place fan tubes of different sizes on the placement plate 25, control the second motor 211 to start, drive the third rotating shaft 21 to rotate, thereby drive the third gear 22 to rotate, and then drive the second rack 23 and the third rack 231 to slide in the groove 281, with the cooperation of the third gear 22 and the second rack 23 and the third rack 231, drive the corresponding third fixing block 27 and the clamping plate 26 to slide on the placement plate 25, and then clamp and fix the fan tubes of different sizes, and then control the first motor 19 to start, drive one of the second rotating shafts 151 to rotate, and then drive one of the second gears 152 to rotate, so as to The other second gear 152 and the second rotating shaft 151 are driven to rotate. The two second gears 152 cooperate with each other to drive the second pulleys 171 on both sides to rotate, and then drive the transmission belt 172 to rotate, and then drive the first pulley 17 to rotate. The first pulley 17, the second pulley 171 and the transmission belt 172 cooperate with each other to drive the first rotating shaft 15 to rotate, thereby driving the first gear 14 to rotate, and then driving the first rack 13 to slide upward, and at the same time drive the first support plate 12 and the second support plate 142, the third support plate 143 and the fixed plate 2 and the fourth support plate 24, and the placement plate 25 to slide downward, and connect the fan port of the fan with the fan pipe, and then power on to test the fan.

[0022] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A testing device for fan blade production, comprising a base (1), characterized in that: A symmetrically distributed support frame (11) is fixedly installed on the top of the base (1), a first support plate (12) is slidably mounted inside the support frame (11), first racks (13) are fixedly installed on opposite sides of the two first support plates (12), the outer side of the first rack (13) is meshingly connected with a first gear (14), a first rotating shaft (15) is rotatably inserted in the middle of the first gear (14), a first pulley (17) is provided on the outer fixed sleeve of the first rotating shaft (15), two symmetrically distributed groups of second fixed blocks (18) are fixedly installed on the top of the base (1), a second rotating shaft (151) is rotatably mounted in the middle of each group of the second fixed blocks (18), and a second belt pulley (17) is provided on the outer fixed sleeve of the second rotating shaft (151). The first pulley (171) and the second pulley (171) are provided with a transmission belt (172) on their outer movable sleeves; the first support plate (12) is fixedly mounted with a second support plate (142) on the top end; the second support plate (142) is fixedly mounted with a symmetrically distributed third support plate (143) on the top end; the third support plate (143) is fixedly mounted with a fixed plate (2) on the top end; a third rotating shaft (21) is rotatably inserted in the middle of the fixed plate (2); a third gear (22) is provided on the outer fixed sleeve of the third rotating shaft (21); the outer side of the third gear (22) is meshedly connected with a second rack (23); and the side of the third gear (22) away from the second rack (23) is meshedly connected with a third rack (231).

2. A fan blade production testing device as claimed in claim 1, characterized in that: A symmetrically distributed fourth support plate (24) is fixedly mounted on the top of the fixed plate (2), a placement plate (25) is fixedly mounted on the top of the fourth support plate (24), the top of the third rotating shaft (21) is fixedly mounted on the bottom of the placement plate (25), the outer sliding sleeve of the placement plate (25) is provided with symmetrically distributed clamping plates (26), one of the clamping plates (26) is fixedly mounted on the bottom end of a side close to the second rack (23), the bottom end of the third fixed block (27) is fixedly mounted on the top of the second rack (23), the other clamping plate (26) is fixedly mounted on the bottom end of a side away from the third fixed block (27), the bottom end of the fourth fixed block (271) is fixedly mounted on the top of the third rack (231).

3. A fan blade production testing device as claimed in claim 1, characterized in that: The exteriors of the two second rotating shafts (151) are both fixedly sleeved with second gears (152), and the two second gears (152) are meshingly connected.

4. A fan blade production testing device as claimed in claim 1, characterized in that: An empty slot (121) is provided on opposite sides of the two support frames (11), and the first rack (13) is slidably engaged in the empty slot (121).

5. A fan blade production testing device as claimed in claim 1, characterized in that: A symmetrically distributed first fixing block (16) is fixedly mounted on one side of the support frame (11) close to the first gear (14), and the first rotating shaft (15) rotates and passes through the first fixing block (16).

6. A fan blade production testing device as claimed in claim 1, characterized in that: A symmetrically distributed recessed frame (28) is fixedly mounted on the top of the fixed plate (2), a groove (281) is provided inside the recessed frame (28), and the opposite sides of the second rack (23) and the third rack (231) are respectively slidably engaged in the corresponding grooves (281).

7. A fan blade production testing device as claimed in claim 1, characterized in that: A first motor (19) is fixedly mounted on the top of the base (1), and a driving end of the first motor (19) is fixedly mounted on the end of one of the second rotating shafts (151).

8. A fan blade production testing device as claimed in claim 1, characterized in that: A second motor (211) is fixedly mounted on the bottom end of the fixed plate (2), and a driving end of the second motor (211) is fixedly mounted on the bottom end of the third rotating shaft (21).

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