CN113390618A

CN113390618A - Fan performance test system

Info

Publication number: CN113390618A
Application number: CN202110650106.6A
Authority: CN
Inventors: 钟文军; 刘春胜; 谭清平
Original assignee: Shenzhen Tie Dragon Mechanical & Electrical Industry Co ltd
Current assignee: Shenzhen Tie Dragon Mechanical & Electrical Industry Co ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2021-09-14
Anticipated expiration: 2041-06-10
Also published as: CN113390618B

Abstract

The invention relates to a fan performance test system, which comprises a test pipeline, wherein the test pipeline comprises a test port, a bearing seat is arranged at the test port of the test pipeline, a turnover seat is arranged on the bearing seat, one side of the turnover seat is hinged to the test pipeline, and a driving device is arranged on the bearing seat; the side wall of the test pipeline is hinged with a threaded sleeve, the threaded sleeve is in threaded fit with a screw, a propping block is arranged on the screw, and a propping surface for propping against the overturning seat is arranged on one side of the propping block; the side wall of the turnover seat is provided with a mounting hole for the fan to penetrate, the mounting hole is provided with a mounting seat, the mounting seat is provided with a clamping groove, the air outlet of the fan is provided with a mounting ring which is clamped and matched with the clamping groove, and the mounting seat is further provided with a plurality of groups of fixing devices for fixing the fan. The invention facilitates the operation of installing and fixing the fan when testing the fan.

Description

Fan performance test system

Technical Field

The invention relates to the field of building ventilation, in particular to a fan performance testing system.

Background

The fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. The fan is widely applied to occasions such as metallurgy, chemical engineering, light industry, food, medicine, civil buildings and the like for ventilation or enhanced heat dissipation.

In the design trial-manufacturing stage of the fan and before finished fans leave a factory, all performances of the fan need to be detected. The main detection items generally include aerodynamic performance such as power, air volume, air pressure, air speed and the like, and noise indexes such as sound pressure level, sound power level and the like. At present, a performance test method of a fan generally adopts a pipeline test method. In the testing process, the air outlet of the fan is connected with one end of the testing pipeline, and relevant performance parameters of the fan are obtained by measuring the air volume, the air pressure and the air speed which penetrate through the pipeline in unit time.

When a performance test of the fan is performed, the fan is generally required to be installed and fixed at one end of a test pipeline. In the related art, the fan is usually fixed to one end of the test pipe by bolts. Specifically, install the adapter sleeve in the air outlet department of fan, set up the perforation that a plurality of confession bolts wore to establish on the adapter sleeve, equally, set up the screw that corresponds with the perforation at the tip of test tube way, be fixed in the test tube way through the bolt with the adapter sleeve from this. However, since the blower is generally large and heavy, it is difficult to adjust the blower to align the through holes on the blower and the screw holes on the test pipeline during installation, which causes inconvenience in fixing the blower and the test pipeline.

Disclosure of Invention

The invention provides a fan performance testing system, aiming at improving the phenomenon that the connection and the fixation of a fan and a pipeline are inconvenient when the existing fan is tested.

The fan performance test system provided by the invention adopts the following technical scheme:

a fan performance test system comprises a test pipeline, wherein the test pipeline comprises a test port, a bearing seat is arranged at the test port of the test pipeline, an overturning seat used for sealing the test port of the test pipeline is arranged on the bearing seat, one side of the overturning seat is hinged to the test pipeline, and a driving device used for driving the overturning seat to overturn is arranged on the bearing seat; the side wall of the test pipeline is hinged with a plurality of thread sleeves, the thread sleeves are positioned at a test port of the test pipeline, the thread sleeves are in thread fit with a screw, a propping block is arranged on the screw, and a propping surface used for propping against the side wall of the overturning seat is arranged on one side of the propping block; the side wall of the turnover seat is provided with a mounting hole for the fan to penetrate, the mounting hole is provided with a mounting seat, the mounting seat is provided with a clamping groove, the air outlet of the fan is provided with a mounting ring which is clamped and matched with the clamping groove, and the mounting seat is further provided with a plurality of groups of fixing devices for fixing the fan.

Through adopting above-mentioned technical scheme, when testing the fan performance, at first overturn the upset seat to bearing on bearing the seat, pass the mounting hole of upset seat with the fan, make the mounting ring joint draw-in groove on the mount pad on the fan, the draw-in groove is connected the cooperation with the mounting ring joint and is realized tentatively fixing the fan on the mount pad. Then the fan is further fixed through the fixing device, so that the fan can be stably fixed on the mounting seat. After the fan is fixed in the mount pad, rethread drive arrangement drive upset seat overturns to test pipeline's test mouth one side to make the closed test mouth of upset seat, upset thread bush after that, so that the thread bush drives the screw rod and overturns to one side of upset seat, then screws the screw rod, so that support on the screw rod closely the butt upset seat of tight piece, will overturn the seat and be fixed in the test mouth department of test pipeline from this, thereby test the fan. The turnover seat is abutted tightly through the matching of the screw rod and the abutting block, so that the fan is fixed at the test port of the test pipeline, the position of the fan is not required to be adjusted repeatedly by a worker so as to align the fan and the test pipeline, and the fan is convenient to install and fix.

Preferably, the abutting surface comprises a guiding portion and an abutting portion, and the thickness of the abutting block gradually becomes thicker from the guiding portion to the abutting portion, so that the abutting surface tightly abuts against the overturning seat.

Through adopting above-mentioned technical scheme for along with the rotation of screw rod, support tight piece and rotate to butt portion conflict upset seat by guide part gradually, thereby make to support tight piece butt upset seat inseparabler, and more firm.

Preferably, drive arrangement including rotate set up in bear pivot and one end on the seat connect in the dwang of pivot, the dwang is kept away from the one end of pivot is provided with the portion of bending, the portion of bending swing joint in the upset seat, be provided with coupling assembling between portion of bending and the upset seat, still be provided with on the bear seat and be used for the drive pivot pivoted drive assembly.

Through adopting above-mentioned technical scheme, when carrying out the fan test, at first be fixed in the fan installation on the upset seat, then rotate through drive assembly drive pivot, the pivot rotates and drives the upset of upset seat, through the upset of drive upset seat to test pipeline's test mouth one side, seal the test mouth of test pipeline until the upset seat, then screw the screw rod, so that the inseparable butt upset seat of piece that supports on the screw rod, from this be fixed in the test mouth department of test pipeline with the upset seat, thereby need not staff's position of repeated adjustment fan so that fan and test pipeline align, the installation of fan has been made things convenient for fixedly.

Preferably, the connecting assembly comprises a T-shaped groove formed in the side wall of the turnover seat and a T-shaped block connected to the T-shaped groove in a sliding manner, and the bending part is hinged to the T-shaped block.

Through adopting above-mentioned technical scheme, the cooperation that slides in T type piece and T type groove to T type piece has certain removal space when the upset of drive upset seat, when making the angle that forms between T type piece and the dwang change from this, has relative displacement between T type piece and the upset seat, thereby makes the upset of upset seat more smooth and easy.

Preferably, the driving assembly comprises a driving motor arranged on the bearing seat and a speed reducing motor connected to an output shaft of the driving motor, and the output shaft of the speed reducing motor is connected with one end of the rotating shaft.

Through adopting above-mentioned technical scheme, reduce speed by gear motor to driving motor's rotational speed to improve the rotational stability of upset seat.

Preferably, the fixing device comprises a butt joint roller rotatably arranged on the mounting seat and a handle hinged on the mounting ring, a fixing seat is arranged on the handle, and a butt joint rod used for butt joint of the butt joint roller is arranged on the fixing seat.

Through adopting above-mentioned technical scheme, during fixed fan, with the handle on the collar to the upset of one side of butt roller, until the butt pole butt on the handle in the butt roller, when butt pole and butt roller looks butt, the butt roller takes place to rotate along with the upset of butt pole to make butt pole butt be close to the butt roller in the one end of butt roller gradually, make butt pole and butt roller conflict each other inseparabler from this, thereby take up the handle, the realization is fixed the fan.

Preferably, a threaded hole is formed in the fixing seat, and the abutting rod penetrates through the threaded hole and is in threaded fit with the threaded hole.

Through adopting above-mentioned technical scheme to in adjust the length that the screw hole was stretched out to the butt pole, thereby adjust the butt power between butt pole and the butt roller.

Preferably, the free end of the handle is provided with an insertion block, the side wall of the mounting seat is provided with a slot for the insertion block to be inserted, and the slot is internally provided with a locking assembly for locking the insertion block.

Through adopting above-mentioned technical scheme, butt pole supports tightly the back with the butt roller each other, fixes the grafting piece in the slot through the closure subassembly to the realization is to the fixed of handle, makes butt pole and butt roller be in the butt state all the time from this, thereby makes the fixed of fan more stable.

Preferably, the locking assembly comprises a sliding groove formed in the groove wall of the slot and a sliding block arranged in the sliding groove in a sliding manner, the side wall of the insertion block is provided with a locking groove in insertion fit with the sliding block, and a first spring used for providing elastic force for the sliding block is arranged in the sliding groove.

By adopting the technical scheme, after the insertion block is inserted and matched with the slot, the insertion block is limited from exiting the slot through the insertion and matching of the sliding block and the lock slot, so that the handle is fixed; the first spring provides elasticity for the slider, makes the slider can keep pegging graft and cooperate in the locked groove, has improved the stability of handle.

Preferably, the side wall of the sliding block is provided with a shifting block, the groove wall of the sliding groove is provided with a strip-shaped groove for the shifting block to slide, and the strip-shaped groove penetrates through the side wall of the mounting seat.

Through adopting above-mentioned technical scheme, add the shifting block so that the staff stirs the slider to unblock handle.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the fan is tested, the fan is fixed on the overturning seat through the fixing device, the overturning seat is driven by the driving device to overturn towards one side of the testing port of the testing pipeline until the overturning seat seals the testing port, and then the overturning seat is tightly abutted through the matching of the screw rod and the abutting block, so that the fan is fixed at the testing port of the testing pipeline, a worker does not need to repeatedly adjust the position of the fan to align the fan and the testing pipeline, and the installation and the fixation of the fan are facilitated;

2. the thickness of supporting tight piece is from guide portion to butt portion thickening gradually for when rotating the screw rod and rotating in order to drive supporting tight piece, support tight piece and rotate to butt portion conflict upset seat by guide portion gradually, thereby make to support tight piece butt upset seat inseparabler, and more firm.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a partial schematic view of the present invention;

FIG. 3 is a schematic structural view of the present invention after the test port is closed by the flip seat;

FIG. 4 is a schematic view of the present invention showing the assembly of the inverted base with the test tube;

FIG. 5 is an enlarged view of portion A of FIG. 4;

FIG. 6 is a schematic view of the assembly of the fan and the mounting base of the present invention;

FIG. 7 is a partial cross-sectional view of the load bearing base, mount and fan of the present invention;

fig. 8 is an enlarged view of a portion B in fig. 7.

Description of reference numerals: 1. a test jig; 2. testing the pipeline; 3. a test port; 4. installing a sleeve; 5. mounting a rod; 6. a bearing seat; 7. a turning seat; 71. a T-shaped groove; 72. abutting the notch; 73. mounting holes; 8. a hinged seat; 9. a rotating shaft; 10. rotating the rod; 101. a bending part; 11. a T-shaped block; 12. a first rotating base; 13. a first guide post; 14. a second rotating base; 15. a second guide post; 16. a second spring; 17. a drive motor; 18. a reduction motor; 19. a threaded sleeve; 20. a screw; 201. a limiting ring; 21. a propping block; 211. an abutting surface; 22. a fan; 221. a mounting ring; 222. positioning blocks; 23. a mounting seat; 231. a card slot; 232. positioning a groove; 24. an abutment roller; 25. a handle; 26. a fixed seat; 27. a butting rod; 271. a butting head; 272. screwing the cap; 30. an insertion block; 301. locking the groove; 31. a slot; 32. a slider; 33. a first spring; 34. a strip-shaped groove; 35. and (5) shifting blocks.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

A fan performance test system, referring to fig. 1, comprises a test jig 1 and a test pipeline 2 installed on the test jig 1. One end of the test pipeline 2 is a test end, and the other end is an exhaust end. Wherein, the testing end is provided with a testing port 3.

Referring to fig. 1 and 2, a differential pressure sensor, a noise sensor, and a temperature and humidity sensor are mounted to a sidewall of the test tube 2. The differential pressure sensor is used for testing the wind pressure in the test pipeline 2, the noise sensor is used for testing the noise of the fan 22, and the temperature and humidity sensor is used for testing the temperature and humidity of the wind.

Specifically, referring to fig. 1 and 2, three test holes for installing a differential pressure sensor, a noise sensor, and a temperature and humidity sensor are formed in the side wall of the test pipe 2, and the test holes penetrate through the inside of the test pipe 2. The testing ends of the differential pressure sensor, the noise sensor and the temperature and humidity sensor extend into the testing pipeline 2. In this embodiment, three test hole department all welds and has installation cover 4, and pressure differential sensor, noise sensor and temperature and humidity sensor all are equipped with the installation pole 5 with 4 threaded connection of installation cover to pressure differential sensor, noise sensor and temperature and humidity sensor's installation is fixed.

Referring to fig. 2 and 3, the test end of the test tube 2 is mounted with a bearing seat 6, and the bearing seat 6 is relatively independent from the test tube 2. The bearing seat 6 is provided with a turnover seat 7, and the turnover seat 7 is used for sealing the test port 3 of the test pipeline 2. In this embodiment, articulated seat 8 is installed to the bottom side of test pipeline 2, and articulated seat 8 is located test opening 3 department of test pipeline 2, and one side of upset seat 7 articulates in articulated seat 8, makes upset seat 7 can be to the upset of one side of test pipeline 2 from this to seal test opening 3 of test pipeline 2.

Referring to fig. 2 and 3, a driving device is installed on the bearing seat 6, and the driving device is used for driving the overturning seat 7 to overturn towards one side of the test port 3. Specifically, the driving device includes a rotating shaft 9 rotatably mounted on the bearing seat 6 and a rotating rod 10 connected to the rotating shaft 9. In this embodiment, one end of the rotating rod 10 is connected to the rotating shaft 9, and a bent portion 101 is integrally formed at one end of the rotating rod 10 away from the rotating shaft 9. One end of the bending part 101 is hinged with a T-shaped block 11, and a T-shaped groove 71 matched with the T-shaped block 11 in a sliding manner is formed in the side wall of the turnover seat 7.

Referring to fig. 4 and 5, a first rotating seat 12 is rotatably mounted on a side wall of the T-shaped block 11, and a first guide column 13 is rotatably connected to the first rotating seat 12; the second rotating seat 14 is rotatably installed on the rotating rod 10, the second rotating seat 14 is rotatably connected with a second guide post 15, a second spring 16 is connected between the first guide post 13 and the second guide post 15, one end of the second spring 16 is sleeved on the first guide post 13 and is connected with the first guide post 13, and the other end of the second spring 16 is sleeved on the second guide post 15 and is connected with the second guide post 15. When the rotating rod 10 is driven to rotate so that the overturning seat 7 overturns towards the side of the test port 3 of the test pipeline 2, the angle formed between the T-shaped block 11 and the bending part 101 of the connecting rod is changed, so that the second spring 16 is compressed, the second spring 16 provides elasticity for the T-shaped block 11, the T-shaped block 11 is buffered, and the T-shaped block 11 rotates relatively to the bending part 101 more stably.

Referring to fig. 3, the bearing seat 6 is further provided with a driving motor 17 for driving the rotation shaft 9 to rotate, an output shaft of the driving motor 17 is connected with a speed reducing motor 18, and an output shaft of the speed reducing motor 18 is connected to one end of the rotation shaft 9. When the overturning seat 7 is driven to overturn, power is transmitted to the speed reducing motor 18 through the driving motor 17 and finally transmitted to the rotating shaft 9, the rotating shaft 9 drives the rotating rod 10 to rotate when rotating, and drives the T-shaped block 11 to rotate, so that the T-shaped block 11 pushes the overturning seat 7 to overturn towards one side of the testing port 3 of the testing pipeline 2.

Referring to fig. 4, the side wall of the test tube 2 is hinged with a threaded sleeve 19, the threaded sleeve 19 being located at the test port 3. In this embodiment, the number of the thread bushings 19 is three, and the three thread bushings 19 are equally spaced in the circumferential direction of the test port 3. Each thread bushing 19 is in thread fit with a screw rod 20, one end of each screw rod 20 penetrates through the thread bushing 19, and a limiting ring 201 which is used for being in butt fit with the end face of the thread bushing 19 is installed at one end of each screw rod 20, which penetrates through the thread bushing 19.

Referring to fig. 4, a abutting block 21 for abutting against the tilting seat 7 is installed on the side wall of the screw 20, and the abutting block 21 is spiral. The side wall of the turnover seat 7 is provided with an abutting notch 72 for abutting the abutting block 21. After the inverted base 7 is inverted to close the test port 3, the screw 20 can be rotated to change the length of the screw 20 passing through the threaded sleeve 19, so that the abutting block 21 gradually moves to one side of the inverted base 7 until the abutting block 21 tightly abuts against the inverted base 7, thereby stably closing the test port 3 by the inverted base 7.

Referring to fig. 4, one side of the abutting block 21 abutting against the overturning seat 7 is provided with an abutting surface 211, and the abutting surface 211 is arranged like an arc. Specifically, the abutting surface 211 includes a guiding portion and an abutting portion, and the thickness of the abutting block 21 gradually becomes thicker from one end of the guiding portion to one end of the abutting portion, so that the abutting block 21 can abut the inverting seat 7 more firmly.

Referring to fig. 6, the roll-over base 7 is provided with mounting holes 73 penetrating through both sides of the roll-over base 7, and the mounting holes 73 are used for the air supply fan 22 to penetrate. Specifically, a mounting ring 221 is fixed at the air outlet of the fan 22, and the mounting ring 221 may be fixedly connected to the casing of the fan 22 by welding, bolting, or integrally forming. In this embodiment, the mounting ring 221 is integrally formed with the housing of the blower 22. The overturning seat 7 is provided with an annular mounting seat 23, and the mounting seat 23 is positioned at the mounting hole 73. The outer diameter of the mounting seat 23 is smaller than the caliber of the test port 3 of the test pipeline 2, so that the mounting seat 23 can be inserted into the test pipeline 2 from the test port 3 of the test pipeline 2.

Referring to fig. 6 and 7, a clamping groove 231 is formed on the mounting seat 23, and the clamping groove 231 is in clamping fit with the mounting ring 221. In this embodiment, the interface of the slot 231 is flared, so that the mounting ring 221 can be easily inserted into the slot 231. The mounting ring 221 is further integrally formed with a positioning block 222, the mounting seat 23 is provided with a positioning groove 232 penetrating through the clamping groove 231, and the positioning groove 232 is in inserting fit with the positioning block 222.

Referring to fig. 6 and 7, when the blower 22 is installed, the air inlet end of the blower 22 passes through the installation hole 73, so that the installation ring 221 on the blower 22 is clamped in the clamping groove 231, and the positioning block 222 is in plug-in fit with the positioning groove 232, thereby realizing the primary installation and fixation of the blower 22.

The inner side of the mounting seat 23 is coated with an elastic rubber pad, and the elastic rubber pad is used for abutting against the casing of the fan 22, so that the air tightness between the mounting seat 23 and the casing of the fan 22 is improved.

Three groups of fixing devices are further arranged on the mounting seat 23, and the three groups of fixing devices are used for fixing the mounting ring 221 on the mounting seat 23, so that the fan 22 and the overturning seat 7 are fixedly connected.

Specifically, referring to fig. 7 and 8, the fixing device includes an abutting roller 24 rotatably mounted on the mounting seat 23 and a handle 25 hinged to the positioning block 222, and the handle 25 can be turned toward one side of the abutting roller 24 relative to the positioning block 222.

The welding has fixing base 26 on the handle 25, sets up threaded hole on the fixing base 26, and the pole 27 is worn to be equipped with in the screw hole, and the lateral wall of butt pole 27 is equipped with the screw thread with screw hole screw-thread fit.

Referring to fig. 7 and 8, one end of the abutment lever 27 is an abutment end, an abutment head 271 for abutting against the abutment roller 24 is fixed to the abutment end of the abutment lever 27, and a cap 272 is fixed to one end of the abutment lever 27 away from the abutment head 271.

Referring to fig. 7 and 8, when the blower 22 is fixed, the air inlet end of the blower 22 firstly passes through the mounting hole 73, so that the mounting ring 221 on the blower 22 is clamped into the clamping groove 231, and the positioning block 222 is in plug-in fit with the positioning groove 232, thereby realizing the primary mounting and fixing of the blower 22. The toggle handle 25 is then flipped to one side of the abutment roller 24 so that the abutment bar 27 is flipped synchronously with the handle 25. When the handle 25 rotates until the abutting head 271 abuts against the abutting roller 24, the handle 25 continues to rotate, the abutting roller 24 rotates along with the overturning of the abutting rod 27, at this time, the abutting head 271 and the abutting roller 24 abut against each other more tightly, and the handle 25 is tightened through the abutting fit of the abutting head 271 and the abutting roller 24, so that the fixing ring can be fixed on the mounting seat 23.

In addition, referring to fig. 7 and 8, the free end of the handle 25 is integrally formed with an insertion block 30, the side wall of the mounting seat 23 is provided with a slot 31, the insertion block 30 can rotate with the handle 25 to be inserted into the slot 31, and when the insertion block 30 is inserted into the slot 31, the abutting head 271 is tightly abutted against the abutting roller 24. A locking assembly for locking the plug block 30 in the slot 31 is also provided in the slot 31.

Specifically, the locking assembly includes a sliding groove formed in a groove wall of the slot 31 and a sliding block 32 slidably mounted in the sliding groove, a first spring 33 is further mounted in the sliding groove, the first spring 33 is used for providing elastic force to the sliding block 32, and when the first spring 33 is in a natural state, one end of the sliding block 32 extends out of the slot 31.

Referring to fig. 7 and 8, the side wall of the insertion block 30 is provided with a locking groove 301, and the locking groove 301 is used for insertion and matching with the sliding block 32. When the insertion block 30 is inserted into the insertion slot 31 until the locking groove 301 is aligned with the sliding groove, the first spring 33 drives the sliding block 32 to slide to be inserted into the locking groove 301 under the action of the restoring force, so that the insertion block 30 is limited, and the insertion block 30 can be kept inserted into the insertion slot 31.

A strip-shaped groove 34 is formed in the side wall of the mounting seat 23, and the strip-shaped groove 34 penetrates through the sliding chute. The lateral wall of slider 32 is equipped with shifting block 35, and shifting block 35 slides with bar groove 34 and is connected, and the one end of shifting block 35 stretches out the mount pad 23 from bar groove 34 outside to the staff stirs shifting block 35, thereby unblock inserted block 30.

The implementation principle of the application is as follows: when testing fan 22 performance, at first overturn the seat 7 to bear on bearing seat 6, pass fan 22 the mounting hole 73 of overturning seat 7, make the draw-in groove 231 of the collar 221 joint on the fan 22 on the mount pad 23, simultaneously, locating piece 222 is pegged graft with constant head tank 232 and is cooperated, draw-in groove 231 and collar 221 joint cooperation realize tentatively fixing fan 22 on mount pad 23. Then, the handle 25 on the positioning block 222 is rotated to turn the handle 25 to the side of the abutment roller 24 until the abutment head 271 of the abutment lever 27 on the handle 25 abuts against the abutment roller 24. Meanwhile, the plug block 30 at the end of the handle 25 is inserted into the slot 31 of the side wall of the mounting seat 23, and the plug block 30 is locked and fixed in the slot 31 through the locking component in the slot 31, so that the handle 25 is limited from rotating reversely, and the fan 22 is fixed. After the fan 22 is fixed on the mounting seat 23, the overturning seat 7 is driven by the driving motor 17 to overturn towards the testing port 3 side of the testing pipeline 2, so that the overturning seat 7 closes the testing port 3.

After the test port is closed by the turnover seat, the threaded sleeve is turned over to enable the threaded sleeve to drive the screw rod to turn over to one side of the turnover seat, then the screw rod is screwed to enable the abutting block on the screw rod to be tightly abutted against the turnover seat, so that the turnover seat is fixed at the test port of the test pipeline, the position of the fan is not required to be repeatedly adjusted by a worker to align the fan with the test pipeline, and the fan is conveniently installed and fixed during testing of the fan.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A fan performance test system, includes test pipeline (2), test pipeline (2) include test mouth (3), its characterized in that: a bearing seat (6) is arranged at the test port (3) of the test pipeline (2), a turnover seat (7) used for sealing the test port (3) of the test pipeline (2) is arranged on the bearing seat (6), one side of the turnover seat (7) is hinged to the test pipeline (2), and a driving device used for driving the turnover seat (7) to turn over is arranged on the bearing seat (6);

the side wall of the test pipeline (2) is hinged with a plurality of thread sleeves (19), the thread sleeves (19) are located at a test port (3) of the test pipeline (2), the thread sleeves (19) are in thread fit with a screw rod (20), a propping block (21) is arranged on the screw rod (20), and a propping surface (211) used for propping against the side wall of the overturning seat (7) is arranged on one side of the propping block (21);

the utility model discloses a fan (22) of overturning, including overturning seat (7), mounting hole (73) that are used for supplying fan (22) to wear to establish are seted up to the lateral wall of overturning seat (7), mounting hole (73) department is provided with mount pad (23), draw-in groove (231) have been seted up on mount pad (23), the air outlet department of fan (22) is provided with the joint and cooperates in mount ring (221) of draw-in groove (231), still be provided with a plurality of groups on mount pad (23) and be used for fixing the fixing device of fan (22).

2. The fan performance testing system of claim 1, wherein: the abutting surface (211) comprises a guiding part and an abutting part, and the thickness of the abutting block (21) gradually becomes thicker from the guiding part to the abutting part so that the abutting surface (211) tightly abuts against the overturning seat (7).

3. The fan performance testing system of claim 1, wherein: drive arrangement including rotate set up in bear pivot (9) and one end on seat (6) connect in dwang (10) of pivot (9), dwang (10) are kept away from the one end of pivot (9) is provided with portion of bending (101), portion of bending (101) swing joint in upset seat (7), be provided with coupling assembling between portion of bending (101) and upset seat (7), bear and still be provided with on seat (6) and be used for the drive pivot (9) pivoted drive assembly.

4. The fan performance testing system of claim 3, wherein: the connecting assembly comprises a T-shaped groove (71) formed in the side wall of the turnover seat (7) and a T-shaped block (11) connected to the T-shaped groove (71) in a sliding mode, and the bending portion (101) is hinged to the T-shaped block (11).

5. The fan performance testing system of claim 4, wherein: the driving assembly comprises a driving motor (17) arranged on the bearing seat (6) and a speed reducing motor (18) connected to an output shaft of the driving motor (17), and the output shaft of the speed reducing motor (18) is connected with one end of the rotating shaft (9).

6. The fan performance testing system of claim 1, wherein: the fixing device comprises an abutting roller (24) rotatably arranged on the mounting seat (23) and a handle (25) hinged to the mounting ring (221), a fixing seat (26) is arranged on the handle (25), and an abutting rod (27) used for abutting against the abutting roller (24) is arranged on the fixing seat (26).

7. The fan performance testing system of claim 6, wherein: the fixing seat (26) is provided with a threaded hole, and the abutting rod (27) penetrates through the threaded hole and is in threaded fit with the threaded hole.

8. The fan performance testing system of claim 6, wherein: the free end of the handle (25) is provided with an insertion block (30), the side wall of the mounting seat (23) is provided with a slot (31) for the insertion of the insertion block (30), and a locking component for locking the insertion block (30) is arranged in the slot (31).

9. The fan performance testing system of claim 8, wherein: the locking assembly comprises a sliding groove arranged on the groove wall of the slot (31) and a sliding block (32) arranged on the sliding groove in a sliding mode, a locking groove (301) matched with the sliding block (32) in an inserting mode is formed in the side wall of the inserting block (30), and a first spring (33) used for providing elastic force for the sliding block (32) is arranged in the sliding groove.

10. The fan performance testing system of claim 9, wherein: the lateral wall of slider (32) is provided with shifting block (35), the confession is seted up to the cell wall of spout the gliding bar groove (34) of shifting block (35), bar groove (34) link up the lateral wall of mount pad (23).