CN103728069A - Test bed of wind power locking disc - Google Patents
Test bed of wind power locking disc Download PDFInfo
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- CN103728069A CN103728069A CN201310744950.0A CN201310744950A CN103728069A CN 103728069 A CN103728069 A CN 103728069A CN 201310744950 A CN201310744950 A CN 201310744950A CN 103728069 A CN103728069 A CN 103728069A
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Abstract
The invention provides a test bed of a wind power locking disc. The test bed of the wind power locking disc is used for torque tests of wind power locking discs and comprises a bottom board, a support, a replaceable main shaft, a balance arm, a force arm and an interference part, wherein the support is arranged on the bottom board and provided with a first hole; the main shaft penetrates through the first hole and is provided with the first end and the second end, the first end of the main shaft is modeled according to the standard and a material of the main shaft locked by the wind power locking disc to be tested, and the first end of the main shaft is provided with a shaft sleeve not connected with the support; the balance arm is located at the first side of the support and is provided with a second hole allowing the shaft sleeve to penetrate through and the balance arm and the shaft sleeve can not rotate relatively; the force arm is provided with a third hole allowing the second end of the main shaft to penetrate through, the force arm and the main shaft can not rotate relatively, and the force arm is located at the second side of the support; torque in the first direction is exerted through the force arm and transmitted to the balance arm and rotation in the first direction of the balance arm is limited by the interference part. According to the test bed of the wind power locking disc, wind power locking discs of various standards and large standards can be tested.
Description
Technical field
The present invention relates to a kind of torsional moment test device, particularly a kind of wind-power locking disc torque test stand.
Background technology
Wind-power locking disc plays a part transmitting torque in wind power generating set, and it is connected the final drive shaft in wind power generating set and gearbox shaft, and continuously lasting rotary work.
Wind-power locking disc needs to carry out torsional moment test after machining, to determine whether wind-power locking disc has reached designing requirement.Wind-power locking disc need to be used torque test stand to test.
For example, Granted publication number proposes a kind of wind power locking disc test stand for the utility model patent of CN201464097U.Its structure is: base frame is provided with riser, axle sleeve is arranged on the center pit of stand riser, one end of main shaft packs formation clearance fit in axle sleeve into, the main shaft other end and the symmetrical arm of force are with together with bolted, the two ends of the arm of force are respectively equipped with hydraulic cylinder and the pressure transducer that acting force is contrary, utilize hydraulic force arm load mode, locking plate transmitting torque is detected.Stand is welded structure.Moment of torsion is delivered on base by riser and erection bolt.During test, locking plate is sleeved on axle sleeve, axle sleeve and main shaft are clearance fit originally, after locking, make axle sleeve clamping spindle by locking plate, and locking plate is applied to moment, if the explanation locking plate design of not skidding between main shaft and axle sleeve has reached requirement.
In this kind of wind-power locking disc torque test stand, there is following shortcoming: be balance test moment, the riser of this kind of structure will have sufficient length, cause testing table build huge; Testing table can be tested the restrictions such as the stressed arm lengths of moment of torsion, hydraulic cylinder specification, bolt specification, stand intensity simultaneously.Specifically, this testing table of prior art, between the two sides of its riser and stand base plate, uniform welding has reinforcement to increase strength of joint.Because need balance to transmit next moment of torsion by the arm of force by locking plate, thus must lengthen riser length, and strengthen the strength of joint between riser and base plate.In addition, this testing table does not show to test multiple locking plate in its instructions, does not show the peak torque that can test yet.For arm of force length, hydraulic cylinder specification, bolt specification, the stand intensity set, the peak torque that can test is certain value, also can only test locking plate specification below definite value at this.So testing table can be tested the restrictions such as the stressed arm lengths of moment of torsion, hydraulic cylinder specification, bolt specification, stand intensity.
Again for example, the patent of invention that publication number is CN102072876A proposes a kind of wind power locking disc test stand.Its structure is: mounting supporting rack on the base of testing table, axle sleeve is connected with support by key, main shaft is loaded in support, one end of main shaft and axle sleeve clearance fit, the other end and single arm of force outer-hexagonal face clearance fit, fix protruding sphere backing plate on single arm of force, concave spherical surface top cover is loaded on lifting jack, lifting jack is given single arm of force by sphere by acting force smooth transfer, and single arm of force is passed to main shaft by interior hexagonal mating surface by moment of torsion, to reach the object of test locking plate moment of torsion.
In this kind of wind-power locking disc torque test stand, there is following shortcoming: testing table can be tested the restrictions such as the stressed arm lengths of moment of torsion, hydraulic cylinder specification, stand intensity, and the locking plate specification that can test is less, and versatility is poor.Specifically, this testing table of prior art, the peak torque of design test is less, only can test 1.5MW specification locking plate, for arm of force length, hydraulic cylinder specification, the stand intensity set, the peak torque that can test is certain value, also can only test locking plate specification below definite value at this, so testing table can be tested the restrictions such as the stressed arm lengths of moment of torsion, hydraulic cylinder specification, stand intensity.
Summary of the invention
The object of the invention is to overcome the shortcoming of prior art, a kind of wind power locking disc test stand is provided, it can test the wind-power locking disc of plurality of specifications and large specification, the problem existing to solve prior art.
For achieving the above object, the present invention proposes a kind of wind power locking disc test stand, for wind-power locking disc, carries out torsional moment test, and described wind power locking disc test stand comprises: base plate; Bearing, is arranged on described base plate; Described bearing has the first perforate; Interchangeable main shaft, be arranged in described the first perforate, described main shaft has first end and the second end, the specification of the main shaft that the first end of described main shaft is locked according to described wind-power locking disc to be tested and material are imitated to be formed, and the first end of described main shaft is provided with the axle sleeve not being connected with described bearing; Balance arm, is positioned at the first side of described bearing, and described balance arm has the second perforate to wear described axle sleeve, and makes described balance arm and described axle sleeve without relatively rotating; The arm of force, the described arm of force has the 3rd perforate to wear described main shaft the second end, and makes the described arm of force and described main shaft without relatively rotating, and the described arm of force is positioned at the second side of described bearing; And interference piece, by the described arm of force, applying the moment of torsion of first direction and be passed to described balance arm, described interference piece limits described balance arm towards the rotation of described first direction.
Beneficial effect of the present invention is, testing table bottom bracket axle of the present invention is not connected with bearing, increases balance arm and carrys out balancing torque, in the situation that test torque increases, reduced on the contrary the requirement to base, makes test platform structure compact, safe.
Accompanying drawing explanation
Figure 1 shows that the front view of the wind power locking disc test stand that one embodiment of the invention proposes.
Figure 2 shows that the left view of the wind power locking disc test stand that one embodiment of the invention proposes.
Figure 3 shows that the vertical view of the wind power locking disc test stand that one embodiment of the invention proposes.
Figure 4 shows that the stereographic map of the wind power locking disc test stand that one embodiment of the invention proposes.
Embodiment
In this instructions, the side of the axle sleeve 1 shown in Fig. 4 of take is front side, and a side of the arm of force 6 is rear side, and a side of right side riser 8 is that a side of left side, left side vertical plate 9 is right side.
The master that Fig. 1, Fig. 2 and Fig. 3 are respectively the wind power locking disc test stand that one embodiment of the invention proposes is depending on, side-looking (left side is looked) and schematic top plan view, and wherein Fig. 2 and Fig. 3 are respectively partial sectional view.Figure 4 shows that the stereographic map of the wind power locking disc test stand that one embodiment of the invention proposes.As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the present invention proposes a kind of many specifications wind power locking disc test stand, comprises axle sleeve 1, main shaft 2, balance arm 3, spacer shell 4, bearing 5, the arm of force 6, second cross beam 7, right side riser 8, left side vertical plate 9, first crossbeam 10, the first oil cylinder 11, base plate 12, the second oil cylinder 13, protruding ball ring 14, concave spherical surface backing plate 15, pin 16, stop bolt 17, support column 111 etc.
In the present embodiment, shown in Fig. 1 and Fig. 3, bearing 5 is fixed on base plate 12, and the outer cover of main shaft 2 is provided with spacer shell 4, the first perforate that main shaft 2 passes on bearing 5, and be equipped with in the first perforate of bearing 5 by spacer shell 4.Wherein, between spacer shell 4 and main shaft 2, be clearance fit, between spacer shell 4 and bearing 5, be clearance fit.Stretch out outside bearing 5 at the two ends of main shaft 2, and one end is wherein connected with the arm of force 6, and the outer cover of the other end is provided with axle sleeve 1 to connect balance arm 3.
The arm of force 6 is the plate-like piece with the second perforate of interior hexagonal configuration, and is preferably axisymmetric shape.The surface of the arm of force 6 is that plane and this plane are perpendicular to the axis of main shaft 2.One end of main shaft 2 has projection 201, and this projection 201 has outer-hexagonal face, and the second perforate that this projection 201 has an interior hexagonal configuration through the arm of force 6 is combined closely and without relatively rotating the arm of force 6 and main shaft 2.Also, the arm of force 6 is installed in the rear end of main shaft 2.
Shown in Fig. 1, Fig. 2 and Fig. 3, on base plate 12, in the position of the end corresponding to the arm of force 6 and balance arm 3, be also connected with two left side vertical plate 9 and two right side risers 8.Left side vertical plate 9 and right side riser 8 are parallel to equally balance arm 3 and the arm of force 6 arranges, and is connected with first crossbeam 10 between two left side vertical plate 9 simultaneously, and the below of first crossbeam 10 is connected and fixed the first oil cylinder 11; Above between two right side risers 8, be provided with second cross beam 7.As shown in Figure 3, two left side vertical plate 9 are installed in respectively the both sides, front and back of the left part 61 of the arm of force 6, and two right side risers 8 are installed in respectively the both sides, front and back of the right part 31 of balance arm 3.
As shown in Figure 1, the first oil cylinder 11 and the second oil cylinder 13 can be distinguished downwards and jack-up upwards, with to the arm of force 6 application of forces.That is to say, the arm of force 6 can be applied by the first oil cylinder 11 and the second oil cylinder 13 moment of torsion of first direction.The piston rod that the stressed place, two ends of the arm of force 6 is equiped with concave spherical surface backing plate 15, the first oil cylinders 11 and the second oil cylinder 13 is equiped with respectively protruding ball ring 14.
It should be noted that, although above-described embodiment be take the first oil cylinder 11 and the second oil cylinder 13 and is described as example, yet those skilled in the art can make a change easily on the basis of the first oil cylinder 11 and the second oil cylinder 13, the first force-applying piece and the second force-applying piece that by other, are acted on the two ends of the arm of force 6 and applied reverse direction acting force are realized same function, do not repeat them here.
Again as shown in Figure 1, balance arm 3 stressed places, two ends contact respectively the support column 111 being fixed on base plate 12 and are fixed on the second cross beam 7 between right side riser 8.Support column 111 and second cross beam 7 have formed the interference piece of interfering balance arm 3 to rotate towards first direction.Pin 16 is installed in bearing 5, prevents that the arm of force 6, axle sleeve 1 from contacting with bearing 5, affects test figure.On left side vertical plate 9 and right side riser 8, stop bolt 17 is installed, prevents that the arm of force 6, balance arm 3 are because of deadweight rotation.
In the present embodiment, one end of main shaft 2 and axle sleeve 1 clearance fit, the interior hexagonal perforate of the other end and the arm of force 6 is clearance fit, the two ends anchor sphere backing plate 15 of the arm of force 6, protruding ball ring 14 is loaded on the first oil cylinder 11 and the second oil cylinder 13.When carrying out locking plate test, locking plate P is arranged on to one end of the far from equilibrium arm 3 of axle sleeve 1, main shaft 2 and axle sleeve 1 are linked together by locking plate P, by hydrostatic control, the first oil cylinder 11 and the second oil cylinder 13 are stretched out, by sphere by acting force smooth transfer to the arm of force 6, the arm of force 6 is passed to main shaft 2 by the second perforate of interior hexagonal configuration and the outer-hexagonal face of main shaft 2 by moment of torsion, because main shaft 2 and axle sleeve 1 are linked together by locking plate P, axle sleeve 1 is passed to balance arm 3 by outer-hexagonal mating surface by moment of torsion, balance arm 3 is by support column 111, second cross beam 7, right side riser 8, and the bolt that connects two right side risers 8 and base plate 12 transfers torque on base plate 12, testing table maximum can load moment of torsion 10600KN.In the present embodiment, the maximum force that can apply by the first oil cylinder 11 and the second oil cylinder 13 and the arm of force 6 to the length of main shaft 2 axis can calculate maximum that locking plate P can bear can bearing torque, yet this maximum can bearing torque also can record by other means, and the present invention is not as limit.
In addition, the bearing 5 in testing table of the present invention is installed on base plate 12, and bearing 5 only play supporting role; Spacer shell 4 is arranged in bearing 5, and adjustment different size main shaft 2 coordinates with 5 of bearings, and the spacer shell 4 of testing table of the present invention, main shaft 2, axle sleeve 1 all can be replaced, thereby make testing table can test the locking plate of many specifications.
Moreover in testing table of the present invention, the arm of force 6 is arm structure with balance arm 3, the arm of force 6 adopts hex surface clearance fit with main shaft 2, balance arm 3 with axle sleeve 1, and the first oil cylinder 11 and the second oil cylinder 13 be connected in same pumping system, guarantees synchronously to load.In addition, axle sleeve 1 does not join with bearing 5, and bearing 5, riser 9, crossbeam 7, the arm of force 6, balance arm 3, base 12 be non-weldment all, and spacer shell 4, main shaft 2, axle sleeve 1 are replaceable, realizes the test to plurality of specifications locking plate.
In sum, the present invention at least tool have the following advantages:
The first, testing table bottom bracket axle 1 of the present invention is not connected with bearing 5, increases balance arm 3 and carrys out balancing torque, in the situation that test torque increases, has reduced on the contrary the requirement to base, makes test platform structure compact, safe;
The second, main shaft 2 adopts internal-external hexagon face to coordinate with the arm of force 6, axle sleeve 1 with balance arm 3, compares with bolt-connection, significantly improves intensity, has eliminated potential safety hazard;
The the 3rd, first oil cylinder 11 contacts with protruding ball ring 14 by concave spherical surface backing plate 15 with the second oil cylinder 13, by acting force smooth transfer to the arm of force 6;
The 4th, replaceable spacer shell 4, main shaft 2, axle sleeve 1, realize the test to plurality of specifications locking plate, avoids a testing table only can test a kind of locking plate, reduced cost; Be equipped with stop bolt, pin simultaneously, improve security.
Although described the present invention with reference to several exemplary embodiments, should be appreciated that term used is explanation and exemplary and nonrestrictive term.Because can specifically implementing in a variety of forms, the present invention do not depart from spirit of the present invention or essence, so be to be understood that, above-described embodiment is not limited to any aforesaid details, and explain widely in the spirit and scope that should limit in claims, therefore fall into whole variations in claim or its equivalent scope and remodeling and all should be claims and contain.
Claims (10)
1. a wind power locking disc test stand, carries out torsional moment test for wind-power locking disc (P), it is characterized in that, described wind power locking disc test stand comprises:
Base plate (12);
Bearing (5), is arranged on described base plate (12); Described bearing (5) has the first perforate;
Interchangeable main shaft (2), be arranged in described the first perforate, described main shaft (2) has first end and the second end, the specification of the main shaft that the first end of described main shaft (2) is locked according to described wind-power locking disc (P) to be tested and material are imitated to be formed, and the first end of described main shaft (2) is provided with the axle sleeve (1) not being connected with described bearing (5);
Balance arm (3), is positioned at the first side of described bearing (5), and described balance arm (3) has the second perforate to wear described axle sleeve (1), and make described balance arm (3) with described axle sleeve (1) without relatively rotating;
The arm of force (6), the described arm of force (6) has the 3rd perforate to wear described main shaft (2) second ends, and the described arm of force (6) and described main shaft (2) nothing are relatively rotated, and the described arm of force (6) is positioned at the second side of described bearing (5); And
Interference piece, is applied the moment of torsion of first direction and is passed to described balance arm (3) by the described arm of force (6), and described interference piece limits described balance arm (3) towards the rotation of described first direction.
2. wind power locking disc test stand as claimed in claim 1, it is characterized in that, between described main shaft (2) and described axle sleeve (1), it is clearance fit, in the situation that described main shaft (2) being locked mutually with described axle sleeve (1) by locking plate (P), the moment of torsion of described first direction is no more than the maximum of described locking plate (P) can bearing torque, described axle sleeve (1) with described main shaft (2) without relatively rotating; The maximum that surpasses described locking plate (P) when the moment of torsion of described first direction can bearing torque, and described axle sleeve (1) relatively rotates with described main shaft (2).
3. wind power locking disc test stand as claimed in claim 2, is characterized in that, described balance arm (3) and the described arm of force (6) are parallel to each other.
4. wind power locking disc test stand as claimed in claim 3, is characterized in that, described wind power locking disc test stand also comprises:
The first force-applying piece and the second force-applying piece, be separately positioned on the both ends (61,62) of the described arm of force (6), and described the first force-applying piece and described the second force-applying piece apply rightabout acting force to the both ends (61,62) of the described arm of force (6).
5. wind power locking disc test stand as claimed in claim 4, it is characterized in that, described the first force-applying piece is the first oil cylinder (11), and described the second force-applying piece is the second oil cylinder (13), and described the first oil cylinder (11) and described the second oil cylinder (13) are connected in same pumping system.
6. wind power locking disc test stand as claimed in claim 5, is characterized in that, described wind power locking disc test stand also comprises:
Two left side vertical plate (9), be connected in described base plate (12), left part (61) in the both ends of the described arm of force (6) is positioned between described two left side vertical plate (9), described the first oil cylinder (11) is connected between described two left side vertical plate (9) and can supports the left part (61) of the described arm of force (6) downwards, and described the second oil cylinder (13) is connected in described base plate (12) and can be upwards connected to the right part (62) in the both ends of the described arm of force (6).
7. wind power locking disc test stand as claimed in claim 6, is characterized in that, described wind power locking disc test stand also comprises:
Two right side risers (8), are connected in described base plate (12), and the right part (31) of described balance arm (3) is positioned between described two right side risers (8), and described interference piece comprises:
Support column (111), is fixed on described base plate, and is positioned at the below of the left part of described balance arm (3); And
Second cross beam (7), is vertically connected between described two right side risers (8), and is positioned at the top of the right part (31) of described balance arm (3).
8. wind power locking disc test stand as claimed in claim 5, it is characterized in that, the both ends of the described arm of force (6) are equiped with concave spherical surface backing plate (15) with the position that described the first oil cylinder (11) contacts with described the second oil cylinder (13), and the described piston rod of described the first oil cylinder (11) and described the second oil cylinder (13) is equiped with respectively the protruding ball ring (14) coordinating with described concave spherical surface backing plate (15).
9. wind power locking disc test stand as claimed in claim 2, is characterized in that, described main shaft (2) is installed in described the first perforate by dismountable spacer shell (4).
10. wind power locking disc test stand as claimed in claim 9, it is characterized in that, described axle sleeve (1) has first projection (101) of outer-hexagonal shape in the one end near described spacer shell (4), described first projection (101) of described axle sleeve (1) is arranged in described the second perforate, so that described balance arm (3) is combined rotationally with described axle sleeve (1) nothing, the second end of described main shaft (2) has the second projection (201), described the second projection (201) has outer-hexagonal face, described the second projection (201) makes the described arm of force (6) be combined rotationally with described main shaft (2) nothing through described the 3rd perforate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310744950.0A CN103728069B (en) | 2013-12-30 | 2013-12-30 | Wind power locking disc test stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310744950.0A CN103728069B (en) | 2013-12-30 | 2013-12-30 | Wind power locking disc test stand |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103728069A true CN103728069A (en) | 2014-04-16 |
| CN103728069B CN103728069B (en) | 2016-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310744950.0A Expired - Fee Related CN103728069B (en) | 2013-12-30 | 2013-12-30 | Wind power locking disc test stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103728069B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043760A (en) * | 2015-06-23 | 2015-11-11 | 江苏荣基重工科技有限公司 | Wind power locking disc test table |
| CN108414237A (en) * | 2018-03-09 | 2018-08-17 | 吉测(苏州)测试系统有限公司 | Output motor double link torque verifies device |
| CN110589025A (en) * | 2019-09-29 | 2019-12-20 | 中国直升机设计研究所 | Rotor transition shaft fixing device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4019417A1 (en) * | 1989-06-23 | 1991-01-03 | Basf Ag | Positional drive torque adjustment and test arrangement - has frame for drive and bearing-mounted shaft, rigid and separating couplings, force arm and spring balance |
| CN201289305Y (en) * | 2008-08-29 | 2009-08-12 | 中冶北方工程技术有限公司 | Hydraulic driving type whole hanging transmission mechanism of sintering device |
| CN201464097U (en) * | 2009-07-29 | 2010-05-12 | 洛阳豪智机械有限公司 | Wind power locking plate test bed |
| CN201496412U (en) * | 2009-09-15 | 2010-06-02 | 洛阳豪智机械有限公司 | Wind generator locking plate |
| CN102072876A (en) * | 2010-12-08 | 2011-05-25 | 太原重工股份有限公司 | Wind power locking disc test stand |
-
2013
- 2013-12-30 CN CN201310744950.0A patent/CN103728069B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4019417A1 (en) * | 1989-06-23 | 1991-01-03 | Basf Ag | Positional drive torque adjustment and test arrangement - has frame for drive and bearing-mounted shaft, rigid and separating couplings, force arm and spring balance |
| CN201289305Y (en) * | 2008-08-29 | 2009-08-12 | 中冶北方工程技术有限公司 | Hydraulic driving type whole hanging transmission mechanism of sintering device |
| CN201464097U (en) * | 2009-07-29 | 2010-05-12 | 洛阳豪智机械有限公司 | Wind power locking plate test bed |
| CN201496412U (en) * | 2009-09-15 | 2010-06-02 | 洛阳豪智机械有限公司 | Wind generator locking plate |
| CN102072876A (en) * | 2010-12-08 | 2011-05-25 | 太原重工股份有限公司 | Wind power locking disc test stand |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043760A (en) * | 2015-06-23 | 2015-11-11 | 江苏荣基重工科技有限公司 | Wind power locking disc test table |
| CN108414237A (en) * | 2018-03-09 | 2018-08-17 | 吉测(苏州)测试系统有限公司 | Output motor double link torque verifies device |
| CN108414237B (en) * | 2018-03-09 | 2023-11-10 | 吉测(苏州)测试系统有限公司 | Output motor double-connecting-rod torque verification device |
| CN110589025A (en) * | 2019-09-29 | 2019-12-20 | 中国直升机设计研究所 | Rotor transition shaft fixing device |
| CN110589025B (en) * | 2019-09-29 | 2022-09-06 | 中国直升机设计研究所 | Rotor transition shaft fixing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103728069B (en) | 2016-05-25 |
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Granted publication date: 20160525 Termination date: 20211230 |