CN104198099B - A kind of vertical axis aerogenerator torque testing table - Google Patents
A kind of vertical axis aerogenerator torque testing table Download PDFInfo
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- CN104198099B CN104198099B CN201410454842.4A CN201410454842A CN104198099B CN 104198099 B CN104198099 B CN 104198099B CN 201410454842 A CN201410454842 A CN 201410454842A CN 104198099 B CN104198099 B CN 104198099B
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Abstract
The invention provides a kind of vertical axis aerogenerator torque testing table, this vertical axis aerogenerator torque testing table can perform well in carrying out torsion-testing to vertical axis aerogenerator, solves the problem lacking in prior art and be exclusively used in the torque test platform of carrying out vertical axis aerogenerator; In addition, vertical axis aerogenerator torque testing table of the present invention also forms support by fixing support tube firm on the bracing frame of bracing or strutting arrangement to vertical rotation axle, the anchorage force that the moment of flexure produced in torsion-testing process can be provided by support tube and bracing frame eliminate, improve the stability of strutting system of vertical rotation axle, and then help the accuracy improving vertical axis aerogenerator torsion-testing, solve well torque testing table in prior art unbalanced, affect the problem of test board to vertical axis aerogenerator torque rating.
Description
Technical field
The present invention relates to aerogenerator technical field of performance test, be specifically related to a kind of vertical axis aerogenerator torque testing table.
Background technology
Vertical axis aerogenerator generally can be divided into three basic forms of it: S type windmill, luer wind wheel and Ma Genusi effect wind wheel.At present, the design of vertical axis aerogenerator and aerodynamic studies are carried out a lot, pass through digital modeling method, the design parameter of vertical axis aerogenerator and overall performance are obtained for significantly to be optimized and improves, and the vertical axis wind turbine of current main flow all adopts H type wind wheel.
The test of aerogenerator power characteristic is to be assessed the performance of aerogenerator and debug, and to meet the power characteristic requirement that manufacturer determines wind power generating set, or meets the power characteristic requirement that buyer determines wind power generating set.In the performance test of aerogenerator, torsion-testing is an important test event.
The torque testing table of common horizontal axis wind-driven generator, all direct rotation axis by level is connected to torque sensor, and measure to gather its moment of torsion rotating speed spectrum, structure is comparatively simple.But because the rotation shaft structure of vertical axis aerogenerator and common horizontal axis wind-driven generator exist a great difference, be difficult to use the torque testing table of common horizontal axis wind-driven generator to carry out torsion-testing.Simultaneously, because the vertical rotation axle of vertical axis aerogenerator is much longer compared to common horizontal axis wind-driven generator, the upper end of vertical rotation axle connects wind wheel by wind wheel connector, and the rotation direction of the rotation direction of wind wheel blade and vertical rotation axle is in the same way, make, the wind wheel connector installed position of vertical rotation axle upper end produces the moment of torsion of a single direction, and this moment of torsion is unbalanced; And, when wind speed becomes large, the velocity of rotation of blade is accelerated, make this moment of torsion increasing, also can cause around blade simultaneously and produce asymmetric flow, lateral thrust be produced to blade, makes the design windward side of blade and the actual wind surface of blade produce certain angle, and then produce unstable moment of flexure at the link position place of the upper end of vertical rotation axle and wind wheel connector, affect test board to the stability of vertical axis aerogenerator torque rating and accuracy.
Therefore, lack in prior art and be a kind ofly exclusively used in the torsion-testing that carries out vertical axis aerogenerator and the test board of measuring stability and accuracy can be ensured preferably.
Summary of the invention
For above shortcomings in prior art, the object of the present invention is to provide a kind of vertical axis aerogenerator torque testing table, to improve the stability of strutting system of vertical rotation axle in test board, and then help the accuracy improving vertical axis aerogenerator torsion-testing, in order to solve torque testing table in prior art unbalanced, affect the problem of test board to vertical axis aerogenerator torque rating.
For solving the problems of the technologies described above, present invention employs following technological means:
A kind of vertical axis aerogenerator torque testing table, comprise vertical rotation axle, crowngear case in 90 ° of rotary driving, torque speed sensor and magnetic powder brake, wherein, input shaft and the vertical rotation axle of crowngear case are vertically arranged, the output shaft of crowngear case, the input shaft of the input shaft of torque speed sensor and output shaft and magnetic powder brake is all horizontally disposed with, and between the input shaft of vertical rotation axle and crowngear case, between the output shaft of crowngear case and the input shaft of torque speed sensor, and be connected respectively by shaft coupling between the output shaft of torque speed sensor and the input shaft of magnetic powder brake, also comprise the bracing or strutting arrangement for supporting vertical rotation axle, this bracing or strutting arrangement comprises bracing frame and support tube, described support tube is the through cylindrical shape of hollow, and is located at the top of crowngear case by the relative vertical stand regularly of support frame as described above, and the lower ending opening place of support tube and upper end open place are embedded is respectively provided with lower bearing group and head bearing group, described vertical rotation axle vertically runs through and is arranged in support tube, the bottom of vertical rotation axle passes position and vertical rotation axle top from support tube lower ending opening from support tube upper end open pass position respectively with the inside race of described lower bearing group and the inside race interference fit of head bearing group, and the lower end of vertical rotation axle is connected by the input shaft of shaft coupling with described crowngear case after passing from the lower ending opening of support tube, the upper end of vertical rotation axle is connected with wind wheel by wind wheel connector after the upper end open of support tube passes.
Adopt the vertical axis aerogenerator torque testing table of said structure, crowngear case is utilized to realize 90 ° of rotary driving, vertical rotation axle can vertically be arranged, and change transmission direction through crowngear case, the driving torque of vertical rotation axle can be transferred to torque speed sensor, record moment of torsion and rotating speed by torque sensor and exported (such as exporting monitoring computer to), the load of magnetic powder brake is changed again by the size of the electric current input regulating magnetic powder brake, thus the rotating speed of adjustment wind wheel and moment of torsion are to obtain continuous print moment of torsion rotating speed spectrum, just may be used for carrying out torsion-testing to vertical axis aerogenerator, solve the problem lacking in prior art and be exclusively used in the torque test platform of carrying out vertical axis aerogenerator.Moreover, in the vertical axis aerogenerator torque testing table of said structure, the support tube of bracing or strutting arrangement by vertical rotation axle cover within it, and by support tube lower ending opening place and upper end open place, the lower bearing group of embedded setting and head bearing group to be formed the bottom of vertical rotation axle and top and support respectively, and fix firm itself by bracing frame of support tube, the anchorage force that the moment of flexure produced in torsion-testing process all can be provided by support tube and bracing frame eliminate, improve the stability of strutting system of vertical rotation axle, and then help the accuracy improving vertical axis aerogenerator torsion-testing.
In above-mentioned vertical axis aerogenerator torque testing table, as a kind of specific embodiment, the bracing frame of described bracing or strutting arrangement comprises back up pad, pressing plate and supporting leg; Described supporting leg is erected at the surrounding of crowngear case and is fixed on the mounting plane of crowngear case, described back up pad supports the fixing top being also flatly arranged at crowngear case by supporting leg, make back up pad relative with crowngear case fixing, described pressing plate level is fixedly installed on the supporting plate, and on back up pad and pressing plate, the position be positioned at directly over crowngear case input shaft is provided with the through hole passed for vertical rotation axle with overlapping; The support tube of bracing or strutting arrangement is fixedly mounted on pressing plate vertically, and the lower ending opening of support tube corresponds to the lead to the hole site place of pressing plate and back up pad, after the lower end of vertical rotation axle is passed from the lower ending opening of support tube, again through the through hole on pressing plate and back up pad, be connected by shaft coupling with the input shaft of described crowngear case.
Adopt the bracing frame of said structure, fixed by the lower end of supporting leg, upper end and back up pad are fixed, can back up pad be firmly made to fix in the horizontal direction, and support tube is fixed on pressing plate, pressing plate is fixing on the supporting plate, thus forms support to support tube, there is deflection under preventing support tube about certain external force, improve the stability of strutting system of support tube to vertical rotation axle.Further, the support structure of said structure is comparatively simple, and processing and installation are all more for convenience.
In above-mentioned vertical axis aerogenerator torque testing table, as further improvement project, the pressing plate of support frame as described above is vertically fixedly installed at least two pieces of rectangular leg-of-mutton stiffening plates, described stiffening plate is uniformly distributed around support tube hoop, and the upper surface of a right-angle side of each block stiffening plate and pressing plate fits fixing, another right-angle side is connected on the outer wall of described support tube.
Adopt the bracing frame of said structure, on pressing plate, symmetrically arranged stiffening plate further increases the stability of strutting system to support tube.
In above-mentioned vertical axis aerogenerator torque testing table, as further improvement project, the bottom of described vertical rotation axle passes position and vertical rotation axle top from support tube lower ending opening passes position all in ladder shaft-like from support tube upper end open.
Adopt the vertical rotation axle of said structure, be more convenient at its two ends running in bearings and wind wheel connector.
In above-mentioned vertical axis aerogenerator torque testing table, as further improvement project, described lower bearing group comprises the first deep groove ball bearing, the first angular contact bearing and clutch shaft bearing seat from top to bottom successively; The inwall at the lower ending opening place of described support tube is provided with the first step trough, clutch shaft bearing seat is fixedly mounted on the end of support tube lower ending opening, and is fixed in first step trough at support tube lower ending opening place by the first deep groove ball bearing and the first angular contact bearing abutting; The inside race of described first deep groove ball bearing and the first angular contact bearing and the multidiameter position interference fit on vertical rotation axle top, clutch shaft bearing seat coordinates with described vertical rotation shaft clearance.
Adopt the lower bearing group of said structure, its first zanjon bearing substantial radial load, ensure that the rotation of vertical rotation axle, prevents its moment of torsion from occurring significant errors; And the first angular contact bearing can bear axial load, there is certain load-bearing effect, therefore in order to support the gravity of vertical rotation axle, the stability that vertical rotation axle rotates can be ensured; Clutch shaft bearing seat is then fixed in first step trough at support tube lower ending opening place for the first deep groove ball bearing and the first angular contact bearing being abutted.
In above-mentioned vertical axis aerogenerator torque testing table, as further improvement project, described head bearing group comprises the second bearing seat, the second angular contact bearing and the second deep groove ball bearing from top to bottom successively; The inwall at the upper end open place of described support tube is provided with the second step trough, second bearing seat is fixedly mounted on the end of support tube upper end open, and is fixed in second step trough at support tube upper end open place by the second angular contact bearing and the second deep groove ball bearing abutting; The inside race of described second angular contact bearing and the second deep groove ball bearing and the multidiameter position interference fit on vertical rotation axle top, the second bearing seat coordinates with vertical rotation shaft clearance.
Same, adopt the head bearing group of said structure, the second zanjon bearing substantial radial load, ensure that the rotation of vertical rotation axle, prevents its moment of torsion from occurring significant errors; And the second angular contact bearing can bear axial load, there is certain load-bearing effect, therefore in order to support the gravity of vertical rotation axle, the stability that vertical rotation axle rotates can be ensured; Second bearing seat is then fixed in second step trough at support tube upper end open place for the second angular contact bearing and the second deep groove ball bearing being abutted.In addition; if the head bearing group of said structure is closed with the above-mentioned lower bearing assembly comprising the first deep groove ball bearing, the first angular contact bearing and clutch shaft bearing seat; be located at by vertical rotation axle clamp in the middle of two bearing pack, the stability just can rotated vertical rotation axle plays and better supports protective effect.
In sum, compared to prior art, vertical axis aerogenerator torque testing table of the present invention can perform well in carrying out torsion-testing to vertical axis aerogenerator, solve the problem lacking in prior art and be exclusively used in the torque test platform of carrying out vertical axis aerogenerator, and by fixing support tube firm on the bracing frame of bracing or strutting arrangement, support is formed to vertical rotation axle, the anchorage force that the moment of flexure produced in torsion-testing process can be provided by support tube and bracing frame eliminate, improve the stability of strutting system of vertical rotation axle, and then help the accuracy improving vertical axis aerogenerator torsion-testing, solve torque testing table in prior art well unbalanced, affect the problem of test board to vertical axis aerogenerator torque rating.
Accompanying drawing explanation
Fig. 1 is the structural representation of vertical axis aerogenerator torque testing table of the present invention.
Fig. 2 is the lower bearing group local structural scheme of mechanism of support tube in vertical axis aerogenerator torque testing table of the present invention.
Fig. 3 is the head bearing group local structural scheme of mechanism of support tube in vertical axis aerogenerator torque testing table of the present invention.
Embodiment
Below in conjunction with drawings and Examples, technical scheme of the present invention is described further.
The invention provides a kind of vertical axis aerogenerator torque testing table.The one that Fig. 1 shows vertical axis aerogenerator torque testing table of the present invention preferably implements structure.As shown in Figure 1, this vertical axis aerogenerator torque testing table, comprise vertical rotation axle 1, crowngear case 2 in 90 ° of rotary driving, torque speed sensor 3 and magnetic powder brake 4, wherein, input shaft and the vertical rotation axle 1 of crowngear case 2 are vertically arranged, crowngear case is utilized to realize 90 ° of rotary driving, the output shaft of crowngear case 2, the input shaft of the input shaft of torque speed sensor 3 and output shaft and magnetic powder brake 4 is all horizontally disposed with, and between the input shaft of vertical rotation axle 1 and crowngear case 2, between the output shaft of crowngear case 2 and the input shaft of torque speed sensor 3, and be connected respectively by shaft coupling between the output shaft of torque speed sensor 3 with the input shaft of magnetic powder brake 4.Thus, vertical rotation axle can vertically be arranged, and change transmission direction through crowngear case, the driving torque of vertical rotation axle can be transferred to torque speed sensor, record moment of torsion and rotating speed by torque sensor and exported (such as exporting monitoring computer to), the load of magnetic powder brake is changed again by the size of the electric current input regulating magnetic powder brake, thus the rotating speed of adjustment wind wheel and moment of torsion are to obtain continuous print moment of torsion rotating speed spectrum, just may be used for carrying out torsion-testing to vertical axis aerogenerator.In addition to the foregoing structure, also comprise the bracing or strutting arrangement for supporting vertical rotation axle 1 in this test board, this bracing or strutting arrangement comprises bracing frame 5 and support tube 6; The cylindrical shape that support tube 6 is through in hollow, and be located at the top of crowngear case 2 by the relative vertical stand regularly of bracing frame 5, the lower ending opening place of support tube 6 and upper end open place are embedded is respectively provided with lower bearing group 7 and head bearing group 8; Vertical rotation axle 1 vertically runs through and is arranged in support tube 6, the bottom of vertical rotation axle 1 passes position and vertical rotation axle 1 top from support tube 6 lower ending opening from support tube 6 upper end open pass position respectively with the inside race of lower bearing group 7 and the inside race interference fit of head bearing group 8, and the lower end of vertical rotation axle 1 is connected by the input shaft of shaft coupling with crowngear case 2 after passing from the lower ending opening of support tube 6, the upper end of vertical rotation axle 1 is connected with wind wheel by wind wheel connector 9 after the upper end open of support tube 6 passes.Thus, the support tube of bracing or strutting arrangement by vertical rotation axle cover within it, and by support tube lower ending opening place and upper end open place, the lower bearing group of embedded setting and head bearing group to be formed the bottom of vertical rotation axle and top and support respectively, and fix firm itself by bracing frame of support tube, the anchorage force that the moment of flexure produced in torsion-testing process all can be provided by support tube and bracing frame eliminate, improve the stability of strutting system of vertical rotation axle.
Implement from concrete, the support frame structure of bracing or strutting arrangement can design arbitrarily according to concrete support demand.And as a kind of preferred support frame structure scheme, as shown in Figure 1, its back up pad 5a, pressing plate 5b and supporting leg 5c; Supporting leg 5c is erected at the surrounding of crowngear case 2 and is fixed on the mounting plane of crowngear case 2, back up pad 5a supports the fixing top being also flatly arranged at crowngear case 2 by supporting leg 5c, make back up pad 5a relative with crowngear case 2 fixing, pressing plate 5b level is fixedly installed on back up pad 5a, and on back up pad 5a and pressing plate 5b, the position be positioned at directly over crowngear case 2 input shaft is provided with the through hole passed for vertical rotation axle 1 with overlapping; The support tube 6 of bracing or strutting arrangement is fixedly mounted on pressing plate 5b vertically, and the lower ending opening of support tube 6 corresponds to the lead to the hole site place of pressing plate 5b and back up pad 5a, after the lower end of vertical rotation axle 1 is passed from the lower ending opening of support tube 6, again through the through hole on pressing plate 5b and back up pad 5a, be connected by shaft coupling with the input shaft of crowngear case 2.The support structure of this organization plan is comparatively simple, processing and installation are all more for convenience, and owing to there being supporting leg back up pad and pressing plate fixed and supported, support tube is fixed on pressing plate, thus support is formed to support tube, there is deflection under preventing support tube about certain external force, improve the stability of strutting system of support tube to vertical rotation axle.Simultaneously, in order to improve the stability of strutting system of bracing frame to support tube further, on the pressing plate 5b of bracing frame 5, this is vertically fixedly installed four pieces of rectangular leg-of-mutton stiffening plates 10, these four pieces of stiffening plates 10 are uniformly distributed around support tube 6 hoop, and the upper surface of a right-angle side of each block stiffening plate 10 and pressing plate 5b fits fixing, another right-angle side is connected on the outer wall of support tube 6, support tube is formed to the effect of reinforcing and supporting.Certainly, concrete quantity pressing plate being arranged stiffening plate can be determined according to the actual requirements, but the quantity of stiffening plate should have two pieces at least, and needs to be uniformly distributed around support tube hoop, could reach the reinforcing support effect to support tube preferably.
In addition, in the more excellent embodiment of vertical axis aerogenerator torque testing table of the present invention, the bottom of vertical rotation axle 1 passes position and vertical rotation axle 1 top from support tube 6 lower ending opening passes position all in ladder shaft-like from support tube 6 upper end open, as shown in Figure 1.Such vertical rotation axle construction is more convenient at its two ends running in bearings and wind wheel connector.Correspondingly, be provided with the first step trough at the inwall at the lower ending opening place of support tube 6, and lower bearing group 7 comprises the first deep groove ball bearing 7a, the first angular contact bearing 7b and clutch shaft bearing seat 7c from top to bottom successively, as shown in Figure 2; Wherein, clutch shaft bearing seat 7c is fixedly mounted on the end of support tube 6 lower ending opening, and the first deep groove ball bearing 7a and the first angular contact bearing 7b abutting is fixed in first step trough at support tube 6 lower ending opening place, the inside race of the first deep groove ball bearing 7a and the first angular contact bearing 7b and the multidiameter position interference fit on vertical rotation axle 1 top, clutch shaft bearing seat 7c and vertical rotation axle 1 clearance fit.Meanwhile, be provided with the second step trough at the inwall at the upper end open place of support tube 6, and head bearing group 8 comprises the second bearing seat 8a, the second angular contact bearing 8b and the second deep groove ball bearing 8c from top to bottom successively, as shown in Figure 3; Wherein, second bearing seat 8a is fixedly mounted on the end of support tube 6 upper end open, and the second angular contact bearing 8b and the second deep groove ball bearing 8c abutting is fixed in second step trough at support tube 6 upper end open place, the inside race of the second angular contact bearing 8b and the second deep groove ball bearing 8c and the multidiameter position interference fit on vertical rotation axle 1 top, the second bearing seat 8a and vertical rotation axle 1 clearance fit.Thus, in lower bearing group, the first zanjon bearing substantial radial load, ensure that the rotation of vertical rotation axle, prevents its moment of torsion from occurring significant errors; And the first angular contact bearing can bear axial load, there is certain load-bearing effect, therefore in order to support the gravity of vertical rotation axle, the stability that vertical rotation axle rotates can be ensured; In head bearing group, the second zanjon bearing substantial radial load, ensure that the rotation of vertical rotation axle, prevents its moment of torsion from occurring significant errors; And the second angular contact bearing can bear axial load, there is certain load-bearing effect, therefore in order to support the gravity of vertical rotation axle, the stability that vertical rotation axle rotates can be ensured; If closed by head bearing group and lower bearing assembly, be located at by vertical rotation axle clamp in the middle of two bearing pack, the stability just can rotated vertical rotation axle plays and better supports protective effect.
In sum, can see, vertical axis aerogenerator torque testing table of the present invention can perform well in carrying out torsion-testing to vertical axis aerogenerator, solve the problem lacking in prior art and be exclusively used in the torque test platform of carrying out vertical axis aerogenerator, and by fixing support tube firm on the bracing frame of bracing or strutting arrangement, support is formed to vertical rotation axle, the anchorage force that the moment of flexure produced in torsion-testing process can be provided by support tube and bracing frame eliminate, improve the stability of strutting system of vertical rotation axle, and then help the accuracy improving vertical axis aerogenerator torsion-testing, solve torque testing table in prior art well unbalanced, affect the problem of test board to vertical axis aerogenerator torque rating.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (6)
1. a vertical axis aerogenerator torque testing table, comprise vertical rotation axle (1), crowngear case (2) and magnetic powder brake (4), it is characterized in that: also comprise torque speed sensor (3), wherein, crowngear case (2) is in 90 ° of rotary driving, input shaft and the vertical rotation axle (1) of crowngear case (2) are vertically arranged, the output shaft of crowngear case (2), the input shaft of the input shaft of torque speed sensor (3) and output shaft and magnetic powder brake (4) is all horizontally disposed with, and between the input shaft of vertical rotation axle (1) and crowngear case (2), between the output shaft of crowngear case (2) and the input shaft of torque speed sensor (3), and the output shaft of torque speed sensor (3) is connected respectively by shaft coupling with between the input shaft of magnetic powder brake (4),
Also comprise the bracing or strutting arrangement for supporting vertical rotation axle (1), this bracing or strutting arrangement comprises bracing frame (5) and support tube (6), the cylindrical shape that described support tube (6) is through in hollow, and being located at the top of crowngear case (2) by the relative vertical stand regularly of support frame as described above (5), the lower ending opening place of support tube (6) and upper end open place are embedded is respectively provided with lower bearing group (7) and head bearing group (8), described vertical rotation axle (1) is vertically run through and is arranged in support tube (6), the bottom of vertical rotation axle (1) passes position and vertical rotation axle (1) top from support tube (6) lower ending opening from support tube (6) upper end open pass position respectively with the inside race of described lower bearing group (7) and the inside race interference fit of head bearing group (8), and the lower end of vertical rotation axle (1) is connected by the input shaft of shaft coupling with described crowngear case (2) after passing from the lower ending opening of support tube (6), the upper end of vertical rotation axle (1) is connected with wind wheel by wind wheel connector (9) after the upper end open of support tube (6) passes.
2. vertical axis aerogenerator torque testing table according to claim 1, is characterized in that: the bracing frame (5) of described bracing or strutting arrangement comprises back up pad (5a), pressing plate (5b) and supporting leg (5c), described supporting leg (5c) is erected at the surrounding of crowngear case (2) and is fixed on the mounting plane of crowngear case (2), described back up pad (5a) supports the fixing top being also flatly arranged at crowngear case (2) by supporting leg (5c), make back up pad (5a) relative fixing with crowngear case (2), described pressing plate (5b) level is fixedly installed in back up pad (5a), and the position be positioned at directly over crowngear case (2) input shaft is provided with the through hole passed for vertical rotation axle (1) with overlapping on back up pad (5a) and pressing plate (5b), the support tube (6) of bracing or strutting arrangement is fixedly mounted on pressing plate (5b) vertically, and the lower ending opening of support tube (6) corresponds to the lead to the hole site place of pressing plate (5b) and back up pad (5a), after the lower end of vertical rotation axle (1) is passed from the lower ending opening of support tube (6), again through the through hole on pressing plate (5b) and back up pad (5a), be connected by shaft coupling with the input shaft of described crowngear case (2).
3. vertical axis aerogenerator torque testing table according to claim 2, it is characterized in that, the pressing plate (5b) of support frame as described above (5) is vertically fixedly installed at least two pieces of rectangular leg-of-mutton stiffening plates (10), described stiffening plate (10) is uniformly distributed around support tube (6) hoop, and the upper surface of a right-angle side of each block stiffening plate (10) and pressing plate (5b) fits fixing, another right-angle side is connected on the outer wall of described support tube (6).
4. vertical axis aerogenerator torque testing table according to claim 1, it is characterized in that, the bottom of described vertical rotation axle (1) passes position and vertical rotation axle (1) top from support tube (6) lower ending opening passes position all in ladder shaft-like from support tube (6) upper end open.
5. vertical axis aerogenerator torque testing table according to claim 4, is characterized in that, described lower bearing group (7) comprises the first deep groove ball bearing (7a), the first angular contact bearing (7b) and clutch shaft bearing seat (7c) from top to bottom successively; The inwall at the lower ending opening place of described support tube (6) is provided with the first step trough, clutch shaft bearing seat (7c) is fixedly mounted on the end of support tube (6) lower ending opening, and is fixed in first step trough at support tube (6) lower ending opening place by the first deep groove ball bearing (7a) and the first angular contact bearing (7b) abutting; The inside race of described first deep groove ball bearing (7a) and the first angular contact bearing (7b) and the multidiameter position interference fit on vertical rotation axle (1) top, clutch shaft bearing seat (7c) and described vertical rotation axle (1) clearance fit.
6. vertical axis aerogenerator torque testing table according to claim 4, is characterized in that: described head bearing group (8) comprises the second bearing seat (8a), the second angular contact bearing (8b) and the second deep groove ball bearing (8c) from top to bottom successively; The inwall at the upper end open place of described support tube (6) is provided with the second step trough, second bearing seat (8a) is fixedly mounted on the end of support tube (6) upper end open, and is fixed in second step trough at support tube (6) upper end open place by the second angular contact bearing (8b) and the second deep groove ball bearing (8c) abutting; The inside race of described second angular contact bearing (8b) and the second deep groove ball bearing (8c) and the multidiameter position interference fit on vertical rotation axle (1) top, the second bearing seat (8a) and vertical rotation axle (1) clearance fit.
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| CN201410454842.4A CN104198099B (en) | 2014-09-09 | 2014-09-09 | A kind of vertical axis aerogenerator torque testing table |
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| CN201410454842.4A CN104198099B (en) | 2014-09-09 | 2014-09-09 | A kind of vertical axis aerogenerator torque testing table |
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| CN109342945B (en) * | 2018-11-22 | 2023-11-10 | 武汉市恒信泰采油设备制造有限公司 | Motor rapid detection system |
| CN112197958A (en) * | 2020-09-24 | 2021-01-08 | 天津理工大学 | Vertical test bench of shaft coupling |
| CN114544054B (en) * | 2022-04-28 | 2022-08-02 | 江西省水润科技发展有限公司 | Air-resistance type water pump driving motor torque testing device and using method thereof |
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| AT393912B (en) * | 1989-11-16 | 1992-01-10 | Elin Energieanwendung | METHOD FOR DETERMINING THE MECHANICAL TORQUE |
| US5452605A (en) * | 1991-02-08 | 1995-09-26 | Clayton Industries | Dynamometer for simulating the inertial and road load forces encountered by motor vehicles |
| CN201599143U (en) * | 2009-04-17 | 2010-10-06 | 付明春 | Novel megawatt level wind power generation transmission system |
| CN202255877U (en) * | 2011-10-24 | 2012-05-30 | 河南科技大学 | Universal testing platform device for detecting performance of vertical-axis wind wheel |
| CN204007966U (en) * | 2014-09-09 | 2014-12-10 | 重庆大学 | A kind of vertical axis aerogenerator torque testing table |
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