CN114166504A - Static torsion test bed - Google Patents
Static torsion test bed Download PDFInfo
- Publication number
- CN114166504A CN114166504A CN202111467898.XA CN202111467898A CN114166504A CN 114166504 A CN114166504 A CN 114166504A CN 202111467898 A CN202111467898 A CN 202111467898A CN 114166504 A CN114166504 A CN 114166504A
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- torsion
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- support frame
- mounting hole
- torsion loading
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- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 230000003068 static effect Effects 0.000 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 32
- 230000001788 irregular Effects 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a static torsion test stand, which is used for static torsion test of an engine transmission shaft, wherein the transmission shaft is connected with a main shaft through a gear transmission mechanism, the axes of the transmission shaft and the main shaft are parallel, and the static torsion test stand is characterized by comprising: a flat plate-shaped support frame arranged vertically; the device comprises a first torsion loading column and a second torsion loading column which are vertically arranged; the main shaft is fixed on the support frame, the tension rope is pulled to apply torsion to the torsion loading disc, and the verticality of the torsion sensor is measured by the tension sensor.
Description
Technical Field
The invention relates to a static torsion test bed.
Background
An airplane engine transmission system comprises an engine main shaft, a central driving bevel gear and a central driven bevel gear, wherein the engine main shaft is horizontally arranged, the central driving bevel gear is connected to the engine main shaft, the central driven bevel gear is meshed with the central driving bevel gear, an uploading driving connecting shaft which is vertically arranged is mounted on the central driven bevel gear, the uploading driving connecting shaft is connected with an uploading accessory, the uploading accessory comprises a group of bevel gears and a transmission shaft, the bevel gears are connected to the uploading driving connecting shaft, and the transmission shaft is horizontally arranged (as shown in figure 1, a transmission mechanism is simplified, and only the main shaft and the transmission shaft are shown).
In the prior art, a static torque test is usually required to be performed on the transmission shaft, namely, a driving shaft needs to be fixed, and then torque is gradually loaded on the transmission shaft, so that a current torque value is measured.
Disclosure of Invention
The invention aims to provide a static torsion testing device with a simple structure.
In order to solve the above problems, the present invention provides a static torsion test stand for static torsion test of an engine transmission shaft, the transmission shaft is connected with a main shaft through a gear transmission mechanism, wherein the transmission shaft is parallel to the main shaft, the static torsion test stand is characterized by comprising:
the transmission shaft is rotatably connected into the second mounting hole through a rolling bearing and is provided with a second extending part extending out of the second mounting hole;
the first torsion loading column and the second torsion loading column are vertically arranged and are positioned on two sides of the second extending part;
the torsion loading disc is fixedly arranged on the second extending part, is of a round cake-shaped structure, is provided with at least one circle of placing groove on the circumferential surface, and is provided with a through hole which penetrates through the circle center of the torsion loading disc and penetrates through the whole placing groove;
the starting end of the tension rope is fixed on the first torsion loading column, winds in from the upper part of the placing groove, simultaneously winds out from the lower part of the placing groove after penetrating through the through hole, finally penetrates through a third mounting hole formed in the second torsion loading column, and generates force loaded on the torsion loading disc by pulling the tension rope extending out of the third mounting hole;
the tension sensor is arranged on the tension rope and is positioned between the first torsion loading column and the winding point above the tension rope.
As a further improvement of the invention, a tension bolt is arranged at the free end of the tension rope, the tension bolt can be inserted into the third mounting hole, the tension bolt can limit the rotation of the tension bolt relative to the third mounting hole by matching the shape of the tension bolt with the shape of the third mounting hole, and an adjusting nut in threaded connection with the tension bolt is arranged on the tension bolt.
As a further improvement of the present invention, the cross sections of the third mounting hole and the tension bolt are both irregular circles, and each of the irregular circles is composed of a plane and an arc-shaped surface.
As a further improvement of the invention, the bottom of the support frame is also provided with a horizontally arranged bottom plate and two triangular support plates with right-angled triangle sections, the support frame is inserted in the middle of the bottom plate, mounting grooves for inserting two right-angled planes of the triangular support plates are arranged below the support frame and on the upper surface of the bottom plate, and the triangular support plates are respectively fixed with the support frame through fasteners.
As a further improvement of the present invention, the present invention further includes a flange fixedly mounted on the main shaft, the flange is fixed on the support frame by the first fixing device, the first fixing device includes two semicircular fixing block sleeves and a positioning ring, wherein:
the two semicircular fixed blocks are sleeved between the flange plate and the support frame, and the semicircular fixed blocks are fixed with the support frame through fasteners after the main shaft is sleeved with the semicircular fixed blocks;
the positioning ring is positioned between the flange plate and the semicircular fixing block, and is fixed with the semicircular fixing block through a fastener after being sleeved on the flange plate;
and after the semicircular fixing block and the positioning ring are fixed, the flange plate is fixed with the semicircular fixing block through a fastener.
As a further improvement of the present invention, the bottom portions of the first torsion loading column and the second torsion loading column are respectively provided with a flat-plate-shaped mounting seat, the mounting seat has an L-shaped notch, the L-shaped notch is used for the insertion of the bottom plate, and the mounting seat is fixed on a mounting plane through a fastening member.
The invention has the advantages that the main shaft is fixed on the support frame, the tension rope is pulled to apply torsion to the torsion loading disc, and the numerical value on the torque sensor is measured by the tension sensor.
Drawings
FIG. 1 is a schematic structural view of the present invention, wherein the drive mechanism is simplified, showing only the main shaft and the drive shaft;
FIG. 2 is a cross-sectional view of a side view of the present invention;
FIG. 3 is a schematic structural view of a torsion loading plate and a tension rope as well as a tension screw and an adjusting nut in the present invention;
FIG. 4 is a cross-sectional view of a torsion load plate in accordance with the present invention;
FIG. 5 is a side view of either the first torsion loading post or the second torsion loading post;
in the figure: 1-a transmission shaft; 102-a second extension; 2-a support frame; 202-a first mounting hole; 204-a second mounting hole; 3-a main shaft; 302-flange plate; 304-a semicircular fixed block sleeve; 306-a positioning ring; 4-a first torsion load column; 402-a mount; 5-rolling bearings; 6-a second torsion loading column; 8-torsion loading disc; 802-placing slots; 804-a through hole; 10-a tensile cord; 1002-a third mounting hole; 1004-tension bolt; 1006-an adjusting nut; 12-a tension sensor; 14-a base plate; 16-triangular support plate.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 to 5, the present invention comprises:
a vertically arranged flat plate-shaped support frame 2 provided with a first mounting hole 202 for inserting the main shaft 3 and a second mounting hole 204 for inserting the transmission shaft 1, wherein the main shaft 3 is fixed on the support frame 2 by a first fixing device which can limit the rotational degree of freedom of the main shaft 3, the transmission shaft 1 is rotatably connected in the second mounting hole 204 through a rolling bearing 5, and the transmission shaft 1 is provided with a second protruding part 102 protruding out of the second mounting hole 204;
a first torsion loading column 4 and a second torsion loading column 6 which are vertically arranged, wherein the first torsion loading column 4 and the second torsion loading column 6 are positioned at two sides of the second extending part 102;
the torsion loading disc 8 is fixedly installed on the second extending portion 102, the torsion loading disc 8 is a disc-shaped structure, at least one circle of placing groove 802 is arranged on the circumferential surface of the torsion loading disc 8, and a through hole 804 which penetrates through the circle center of the torsion loading disc 8 and penetrates through the whole placing groove 802 is arranged on the placing groove 802;
a tensile cord 10, the starting end of which is fixed on the first torsion loading column 4, and is wound in from above the placing groove 802, and is wound out from below the placing groove 802 after passing through the through hole 804, and finally passes through a third mounting hole 1002 arranged on the second torsion loading column 6, and the tensile cord 10 extending out of the third mounting hole 1002 is pulled to generate a force loaded on the torsion loading disc 8;
a tension sensor 12 disposed on the tension line 10, wherein the tension sensor 12 is located between the first torsion loading column 4 and an upper winding point of the tension line 10.
As a further improvement of the present invention, a tension bolt 1004 is disposed at a free end of the tension rope 10, the tension bolt 1004 can be inserted into the third mounting hole 1002, and can limit the rotation of the tension bolt 1004 relative to the third mounting hole 1002 by matching with the third mounting hole 1002 in shape, and an adjusting nut 1006 threadedly connected to the tension bolt 1004 is disposed on the tension bolt 1004.
As a further improvement of the present invention, the cross sections of the third mounting hole 1002 and the tension bolt 1004 are both irregular circles, which are composed of a plane and an arc-shaped surface.
As a further improvement of the present invention, a bottom plate 14 and two triangular support plates 16 with right-angled triangular cross sections are further disposed at the bottom of the support frame 2, the support frame 2 is inserted into the middle of the bottom plate 14, mounting grooves for inserting two right-angled planes of the triangular support plates 16 are disposed below the support frame 2 and on the upper surface of the bottom plate 14, and the triangular support plates 16 are respectively fixed to the support frame 2 through fasteners.
As a further improvement of the present invention, the present invention further comprises a flange 302 fixedly mounted on the main shaft 3, the flange 302 is fixed on the supporting frame 2 by the first fixing device, the first fixing device comprises two semicircular fixing block sleeves 304 and a positioning ring 306, wherein:
the two semicircular fixed block sleeves 304 are positioned between the flange plate 302 and the support frame 2, and the semicircular fixed blocks are fixed with the support frame 2 through fasteners after being sleeved on the main shaft 3;
the positioning ring 306 is positioned between the flange plate 302 and the semicircular fixing block, and the positioning ring 306 is sleeved on the flange plate 302 and then fixed with the semicircular fixing block through a fastener;
after the semicircular fixing block and the positioning ring 306 are fixed, the flange plate 302 is fixed to the semicircular fixing block through a fastener.
As a further improvement of the present invention, a flat plate-shaped mounting seat 402 is respectively mounted at the bottom of the first torsion loading column 4 and the second torsion loading column 6, the mounting seat 402 has an L-shaped notch, the L-shaped notch is used for clamping the bottom plate 14, and the mounting seat 402 is fixed on a mounting plane by a fastening member.
The specific principle of the invention is as follows:
(1) the flange 302 is fixed on the support frame 2 through the first fixing device, the two semicircular fixing blocks are sleeved 304 on the main shaft 3 and then fixed with the support frame 2 through bolts, the positioning ring 306 is sleeved on the flange of the main shaft 3 and then fixed with the semicircular fixing blocks through bolts, and finally the flange of the main shaft 3 is fixed with the semicircular fixing blocks through bolts;
(2) the transmission shaft 1 is provided with a rolling ball bearing and then passes through the mounting hole of the support frame 2, and the rolling bearing 5 is fixed with the transmission shaft 1 by the support frame 2;
(3) one end of a torsion loading disc 8 is fixed with the free end of the transmission shaft 1, the torsion loading disc 8 is a perforated metal disc, the starting end of a tension rope 10 is fixed on the first torsion loading column 4, the tension rope is wound into the torsion loading disc 8 from the upper side of a placing groove 802 and then passes through a through hole 804 in the torsion loading disc 8 and then is wound out from the lower side of the placing groove 802, a tension bolt 1004 is fixed at the other end of the tension rope 10, the tension bolt 1004 passes through a third mounting hole 1002 to be connected with an adjusting nut 1006 on the outer side of the first torsion loading column 4, a tension sensor 12 is arranged between the starting end of the tension rope 10 and the torsion loading disc 8, when the tension rope 10 moves, the tension rope 10 applies torsion to the torsion loading disc 8, and the torsion can be read through the tension sensor 12.
(4) The movement of the tension rope 10 is realized by rotating the adjusting nut 1006, because the tension bolt 1006 and the third mounting hole 1002 are both in irregular round hole-shaped structures, when the adjusting nut 1006 rotates, the tension bolt 1004 cannot rotate in the third mounting hole 1002 and can only do linear movement along the axis thereof, so that the tension rope 10 is pulled, and the movement of the tension rope 10 applies a torsion force to the torsion force loading disc 8. Therefore, the installation can ensure that the tension on two sides is tangent to the torsion loading disc 8 in the test process, and the test error is reduced.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (6)
1. A static torsion test bench is used for static torsion test of an engine transmission shaft (1), the transmission shaft (1) is connected with a main shaft (3) through a gear transmission mechanism, wherein the transmission shaft (1) is parallel to the axis of the main shaft (3), and the static torsion test bench is characterized by comprising:
the transmission shaft is characterized by comprising a vertically arranged flat-plate-shaped support frame (2) and a transmission shaft (1), wherein the flat-plate-shaped support frame (2) is provided with a first mounting hole (202) for inserting the main shaft (3) and a second mounting hole (204) for inserting the transmission shaft (1), the main shaft (3) is fixed on the support frame (2) through a first fixing device, the first fixing device can limit the rotation freedom degree of the main shaft (3), the transmission shaft (1) is rotatably connected in the second mounting hole (204) through a rolling bearing (5), and the transmission shaft (1) is provided with a second extending part (102) extending out of the second mounting hole (204);
a first torsion loading post (4) and a second torsion loading post (6) arranged vertically, the first torsion loading post (4) and the second torsion loading post (6) being located on both sides of the second protrusion (102);
the torsion loading disc (8) is fixedly installed on the second extending part (102), the torsion loading disc (8) is of a round cake-shaped structure, at least one circle of placing groove (802) is formed in the circumferential surface of the torsion loading disc, and a through hole (804) which penetrates through the circle center of the torsion loading disc (8) and penetrates through the whole placing groove (802) is formed in the placing groove (802);
a tensile cord (10), the starting end of which is fixed on the first torsion loading column (4), and the tensile cord is wound in from the upper part of the placing groove (802), passes through the through hole (804), is wound out from the lower part of the placing groove (802), and finally passes through a third mounting hole (1002) arranged on the second torsion loading column (6), and the tensile cord (10) extending out of the third mounting hole (1002) is pulled to generate the force loaded on the torsion loading disc (8);
the tension sensor (12) is arranged on the tension rope (10), and the tension sensor (12) is located between the first torsion loading column (4) and an upper winding point of the tension rope (10).
2. The static torsion test bench is characterized in that the free end of the tensile rope (10) is provided with a tensile bolt (1004), the tensile bolt (1004) can be inserted into the third mounting hole (1002), the tensile bolt and the third mounting hole (1002) are matched in shape, the rotation of the tensile bolt (1004) relative to the third mounting hole (1002) can be limited, and an adjusting nut (1006) in threaded connection with the tensile bolt (1004) is arranged on the tensile bolt.
3. The static torsion test bench is characterized in that the cross sections of the third mounting hole (1002) and the pull bolt (1004) are irregular circles, and each irregular circle is composed of a plane and an arc-shaped surface.
4. The static torsion test bed according to claim 3, wherein a bottom plate (14) and two triangular support plates (16) with right-angled triangle cross sections are further arranged at the bottom of the support frame (2), the support frame (2) is inserted into the middle of the bottom plate (14), two right-angled plane insertion installation grooves for the triangular support plates (16) are formed in the lower portion of the support frame (2) and the upper surface of the bottom plate (14), and the triangular support plates (16) are fixed to the support frame (2) through fasteners respectively.
5. A static torsion test bench according to claim 4, further comprising a flange (302) fixedly mounted on the main shaft (3), wherein the flange (302) is fixed on the support frame (2) by the first fixing device, and the first fixing device comprises two semicircular fixing block sleeves (304) and a positioning ring (306), wherein:
the two semicircular fixed block sleeves (304) are positioned between the flange plate (302) and the support frame (2), and the semicircular fixed blocks (304) are fixed with the support frame (2) through fasteners after being sleeved on the main shaft (3);
the positioning ring (306) is positioned between the flange plate (302) and the semicircular fixing block (304), and the positioning ring (306) is sleeved on the flange plate (302) and then fixed with the semicircular fixing block (304) through a fastener;
after the semicircular fixing block (304) and the positioning ring (306) are fixed, the flange plate (302) is fixed with the semicircular fixing block (304) through a fastener.
6. The static torsion test bed according to claim 5, wherein a flat-plate-shaped mounting seat (402) is respectively mounted at the bottoms of the first torsion loading column (4) and the second torsion loading column (6), the mounting seat (402) is provided with an L-shaped notch, the L-shaped notch is used for clamping the bottom plate (14), and the mounting seat (402) is fixed on a mounting plane through a fastening member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111467898.XA CN114166504A (en) | 2021-12-02 | 2021-12-02 | Static torsion test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111467898.XA CN114166504A (en) | 2021-12-02 | 2021-12-02 | Static torsion test bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114166504A true CN114166504A (en) | 2022-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111467898.XA Pending CN114166504A (en) | 2021-12-02 | 2021-12-02 | Static torsion test bed |
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| Country | Link |
|---|---|
| CN (1) | CN114166504A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140033831A1 (en) * | 2011-04-12 | 2014-02-06 | Kokusai Keisokuki Kabushiki Kaisha | Rotational torsion tester |
| CN203785882U (en) * | 2014-03-28 | 2014-08-20 | 伟攀(上海)机械设备有限公司 | Pneumatic and hydraulic clutch and brake static torque test bed |
| CN205120357U (en) * | 2015-11-10 | 2016-03-30 | 洛阳西苑车辆与动力检验所有限公司 | Quiet little loading test of testing machine and testing arrangement of turning round of machine parts |
| CN108709727A (en) * | 2018-05-07 | 2018-10-26 | 北京建筑材料检验研究院有限公司 | A kind of anti-quiet distortion property detecting device of door leaf |
| CN108871644A (en) * | 2018-07-26 | 2018-11-23 | 重庆齿轮箱有限责任公司 | A kind of marine gear device static torque detection system |
| CN211668756U (en) * | 2020-04-09 | 2020-10-13 | 重庆凯瑞汽车试验设备开发有限公司 | Static torsion and torsional fatigue test stand for shaft parts |
| CN112051060A (en) * | 2020-09-06 | 2020-12-08 | 王心成 | Comprehensive test platform for precision speed reducer |
-
2021
- 2021-12-02 CN CN202111467898.XA patent/CN114166504A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140033831A1 (en) * | 2011-04-12 | 2014-02-06 | Kokusai Keisokuki Kabushiki Kaisha | Rotational torsion tester |
| CN203785882U (en) * | 2014-03-28 | 2014-08-20 | 伟攀(上海)机械设备有限公司 | Pneumatic and hydraulic clutch and brake static torque test bed |
| CN205120357U (en) * | 2015-11-10 | 2016-03-30 | 洛阳西苑车辆与动力检验所有限公司 | Quiet little loading test of testing machine and testing arrangement of turning round of machine parts |
| CN108709727A (en) * | 2018-05-07 | 2018-10-26 | 北京建筑材料检验研究院有限公司 | A kind of anti-quiet distortion property detecting device of door leaf |
| CN108871644A (en) * | 2018-07-26 | 2018-11-23 | 重庆齿轮箱有限责任公司 | A kind of marine gear device static torque detection system |
| CN211668756U (en) * | 2020-04-09 | 2020-10-13 | 重庆凯瑞汽车试验设备开发有限公司 | Static torsion and torsional fatigue test stand for shaft parts |
| CN112051060A (en) * | 2020-09-06 | 2020-12-08 | 王心成 | Comprehensive test platform for precision speed reducer |
Non-Patent Citations (1)
| Title |
|---|
| 俞立钧, 陈敏贤: "汽车传动轴似静扭试验台", 上海计量测试, no. 01, 31 December 2000 (2000-12-31), pages 24 - 26 * |
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