CN114184378A - Declination axis static torsion test bed - Google Patents
Declination axis static torsion test bed Download PDFInfo
- Publication number
- CN114184378A CN114184378A CN202111467897.5A CN202111467897A CN114184378A CN 114184378 A CN114184378 A CN 114184378A CN 202111467897 A CN202111467897 A CN 202111467897A CN 114184378 A CN114184378 A CN 114184378A
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- torsion
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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 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 230000001154 acute effect Effects 0.000 claims abstract description 3
- 238000005096 rolling process Methods 0.000 claims description 11
- 230000001788 irregular Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Classifications
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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
Abstract
The invention discloses a static torsion test bed for an angle shaft, 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 axis of the transmission shaft and the axis of the main shaft are arranged in an acute angle, and the static torsion test bed is characterized by comprising: a flat plate-shaped support frame arranged vertically; the torsion loading beam is positioned above the supporting frame; the torsion device comprises a sleeve arranged on the second extending part, a torque sensor fixed at the end part of the second extending part and a torsion assembly connected to the other end of the torque sensor, wherein the torsion assembly is loaded with torsion by a torsion loading device. According to the invention, the main shaft is fixed on the support frame, the torsion is applied to the loading disc through the torsion driving device, and the verticality of the torque sensor is measured through the torque sensor.
Description
Technical Field
The invention relates to a deflection angle shaft static torsion test bed.
Background
An aircraft engine transmission system comprises a horizontally arranged engine main shaft, a central driving bevel gear connected to the engine main shaft, and a central driven bevel gear meshed with the central driving bevel gear, wherein the central driven bevel gear is provided with an uploading driving connecting shaft which is vertically arranged, the uploading driving connecting shaft is connected with an uploading accessory, the uploading accessory comprises a group of bevel gears connected to the uploading driving connecting shaft, and a transmission shaft, the transmission shaft is arranged in a non-horizontal mode and forms an angle of approximately 5 degrees with the horizontal line (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 deflection shaft static torsion test bed for static torsion test of an engine transmission shaft, wherein the transmission shaft is connected with a main shaft through a gear transmission mechanism, wherein the transmission shaft and the main shaft are arranged at an acute angle, and the deflection shaft static torsion test bed is characterized by comprising:
the main shaft is fixed on the supporting frame;
the lateral supporting plates are positioned on two sides of the supporting frame and are vertically arranged;
the torsion loading beam is positioned above the supporting frame and comprises a beam main body vertical to the axis of the main shaft and two lateral mounting plates vertical to the beam main body, the beam main body is provided with a second mounting hole for a second extending part on the transmission shaft to be inserted and extended, and the lateral mounting plates are respectively fixed on two lateral supporting plates through fasteners;
the sleeve is arranged on the second extending part, the second extending part is installed on the inner wall of the sleeve through a first rolling bearing, and the outer wall of the sleeve penetrates through the second installation hole and is fixed;
the torsion sensor is fixed at the end parts of the two extending parts, and the torsion assembly is connected to the other end of the torsion sensor and is loaded with torsion by a torsion loading device.
As a further improvement of the present invention,
the torsion assembly comprises a loading disc with a cake-shaped structure and a torsion tool fixedly connected with the torque sensor, the loading disc and the torsion tool are fixed through a fastener, at least one circle of placing groove is formed in the circumferential surface of the loading disc, and a through hole which penetrates through the circle center of the loading disc and penetrates through the whole placing groove is formed in the placing groove;
the torsion loading device is a tension rope, the starting end of the tension rope is fixed on one of the lateral support plates, the tension rope winds in from the upper side of the placing groove, and winds out from the lower side of the placing groove after penetrating through the through hole, finally, the tension rope penetrates through a third mounting hole formed in the other lateral support plate, and the free end of the tension rope is pulled to generate force loaded on the torsion loading disc.
As a further improvement of the present invention, a tension bolt is disposed at a free end of the tension rope, the tension bolt can be inserted into the third mounting hole, and can be matched with the third mounting hole in shape to limit rotation of the tension bolt relative to the third mounting hole, and an adjusting nut in threaded connection with the tension bolt is disposed 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 torsion tool is rotationally connected with the sleeve through a second rolling bearing fixed on the inner wall of the sleeve.
As a further improvement of the invention, a flange is fixedly arranged on the main shaft, and the flange is fixed with the supporting frame through a fastener.
The invention has the advantages that the main shaft is fixed on the supporting frame, the torsion driving device applies torsion to the loading disc, and the vertical direction of the torque sensor is measured by the torque sensor.
Drawings
Fig. 1 is a schematic structural view of the present invention, in which a transmission mechanism is simplified, showing only a main shaft and a transmission shaft.
FIG. 2 is a cross-sectional view of a side view of the present invention;
FIG. 3 is a schematic structural diagram of a 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 loading tray according to the present invention;
FIG. 5 is a side view of the side support plate of the present invention;
in the figure: 1-a transmission shaft; 2-a support frame; 3-a main shaft; 4-lateral support plate; 6-torsion loading beam; 602-a beam body; 604-side mounting plate; 606-a third mounting hole; 8-a sleeve; 802-a first rolling bearing; 804 — a second rolling bearing; 10-a torque sensor; 12-a torsion assembly; 1202-load the disc; 1204-twisting the tooling; 1205-placing the groove; 1206-through holes; 16-a tensile cord; 1602-tension bolt; 1604-adjusting the nut; 18-flange.
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:
the device comprises a vertically arranged flat-plate-shaped support frame 2, a spindle 3 and a control device, wherein the flat-plate-shaped support frame 2 is provided with a first mounting hole for inserting the spindle 3, and the spindle 3 is fixed on the support frame 2;
the lateral support plates 4 are positioned on two sides of the support frame 2 and are vertically arranged;
the torsion loading beam 6 is positioned above the support frame 2, the torsion loading beam 6 comprises a beam main body 602 perpendicular to the axis of the main shaft 3, and two lateral mounting plates 604 perpendicular to the beam main body 602, the beam main body 602 is provided with a second mounting hole for inserting and extending a second extending part on the transmission shaft 1, and the lateral mounting plates 604 are respectively fixed on the two lateral support plates 4 through fasteners;
the sleeve 8 is arranged on the second extending part, the second extending part is installed on the inner wall of the sleeve 8 through a first rolling bearing 802, and the outer wall of the sleeve 8 penetrates through the second installation hole and is fixed;
the torque sensor 10 is fixed at the end part of the two extending parts, and the torsion component 12 is connected at the other end of the torque sensor 10, and the torsion component 12 is loaded with torsion by a torsion loading device.
As a further improvement of the present invention,
the torsion assembly 12 comprises a loading disc 1202 in a cake-shaped structure and a torsion tool 1204 fixedly connected with the torque sensor 10, the loading disc 1202 and the torsion tool 1204 are fixed by a fastener, at least one circle of placing groove 1205 is arranged on the circumferential surface of the loading disc 1202, and a through hole 1206 penetrating through the circle center of the loading disc 1202 and penetrating through the whole placing groove 1205 is arranged on the placing groove 1205;
the torsion loading device is a tension rope 16, the starting end of the tension rope is fixed on one side support plate 4, the tension rope is wound in from the upper part of the placing groove 1205, meanwhile, the tension rope passes through the through hole 1206 and then is wound out from the lower part of the placing groove 1205, finally, the tension rope 16 passes through a third mounting hole 606 arranged on the other side support plate 4, and the free end of the tension rope 16 is pulled to generate force loaded on the torsion loading plate 1202.
As a further improvement of the present invention, a tension bolt 1602 is disposed at a free end of the tension rope 16, the tension bolt 1602 can be inserted into the third mounting hole 606, and can be matched with the third mounting hole 606 in shape to limit rotation of the tension bolt 1602 relative to the third mounting hole 606, and an adjusting nut 1604 is disposed on the tension bolt 1602 and is in threaded connection with the tension bolt.
As a further improvement of the present invention, the cross sections of the third mounting hole 606 and the tension bolt 1602 are both irregular circles, which are composed of a plane and an arc-shaped surface.
As a further improvement of the present invention, the torsion fixture 1204 is rotatably connected to the sleeve 8 through a second rolling bearing 804 fixed to an inner wall of the sleeve 8.
As a further improvement of the present invention, a flange 18 is fixedly mounted on the main shaft 3, and the flange 18 is fixed to the support frame 2 by a fastener.
The specific principle of the invention is as follows:
(1) in the invention, the main shaft 3 is fixed on the support frame 2 through the flange 18 on the main shaft 3, the flange 18 is preset on the main shaft 3, and the flange 18 is connected with the support frame 2 through bolts;
(2) placing the lateral support plates 4 at two sides of the support frame 2;
(3) fixing a sleeve 8 on a beam main body 602 of a torsion loading beam 6, enabling a transmission shaft 1 to penetrate through the sleeve 8 and be rotatably connected into the transmission shaft 1 through a first rolling bearing 802, fixing a dark-turning torque sensor 10 on the other end of the transmission shaft 1, enabling the torque sensor 10 to be fixed with a disc-shaped loading disc 1202 through a turning tool 1204, meanwhile, fixing a second rolling bearing on the turning tool 1204, fixing the outer side of the second rolling bearing on the inner wall of the sleeve 8, so that the turning tool 1204 is rotatably connected with the sleeve 8, and installing the first bearing and the second bearing to eliminate bending moment generated by a central shaft in an off-angle turning test;
(4) fixing the side mounting plates 604 on the two sides of the torsion loading beam 6 on the side support plates 4 through bolts;
(5) one end of the tension rope 16 is fixed on one side support plate 4, and is wound in from the upper part of the placing groove 1205 of the loading disc 1202 and then passes through the through hole 1206 on the loading disc 1202 and then is wound out from the lower part of the placing groove 1205, the other end of the tension rope 16 is fixed with a tension bolt 1602, and the tension bolt 1602 passes through the third mounting hole 606 and is connected with an adjusting nut 1604 on the outer side of the side support plate 4.
(6) When the adjusting nut 1604 is rotated, because the tension bolt 1602 and the third mounting hole 606 are both irregular round hole structures, when the adjusting nut 1604 is rotated, the tension bolt 1602 cannot rotate in the third mounting hole 606 and can only do linear motion along the axis thereof, so as to pull the tension rope 16, and the motion of the tension rope 16 will apply a torsion to the loading tray 1202. Therefore, the installation can ensure that the pulling force on two sides is tangent to the loading disc 1202 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. The utility model provides a test bench is turned round to off-angle axle static for the static of an engine drive shaft (1) is turned round the test, and this transmission shaft (1) is connected through gear drive with main shaft (3), wherein, transmission shaft (1) is the acute angle setting with the axis of main shaft (3), its characterized in that includes:
the device comprises a vertically arranged flat-plate-shaped support frame (2) and a spindle (3), wherein the flat-plate-shaped support frame is provided with a first mounting hole (202) for inserting the spindle (3), and the spindle (3) is fixed on the support frame (2);
the lateral support plates (4) are positioned on two sides of the support frame (2) and are vertically arranged;
the torsion loading beam (6) is positioned above the support frame (2), the torsion loading beam (6) comprises a beam main body (602) vertical to the axis of the main shaft (3) and two lateral mounting plates (604) vertical to the beam main body (602), the beam main body (602) is provided with a second mounting hole (204) for inserting and extending a second extending part (302) on the transmission shaft (1), and the lateral mounting plates (604) are respectively fixed on the two lateral support plates (4) through fasteners;
a sleeve (8) arranged on the second protruding part (302), wherein the second protruding part (302) is installed on the inner wall of the sleeve (8) through a first rolling bearing (802), and the outer wall of the sleeve (8) penetrates through the second installation hole (204) and is fixed;
the torque sensor (10) is fixed at the end parts of the two extending parts (302), and the torsion component (12) is connected to the other end of the torque sensor (10), and torsion is loaded on the torsion component (12) by a torsion loading device.
2. The off-angle shaft static torsion test bench according to claim 1,
the torsion assembly (12) comprises a loading disc (1202) with a round cake-shaped structure and a torsion tool (1204) fixedly connected with the torque sensor (10), the loading disc (1202) and the torsion tool (1204) are fixed through fasteners, at least one circle of placing groove (1205) is formed in the circumferential surface of the loading disc (1202), and a through hole (1206) which penetrates through the circle center of the loading disc (1202) and penetrates through the whole placing groove (1205) is formed in the placing groove (1205);
the torsion loading device is a tension rope (16), the starting end of the tension rope is fixed on one side support plate (4), the tension rope is wound in from the upper side of the placing groove (1205), meanwhile, the tension rope passes through the through hole (1206) and then is wound out from the lower side of the placing groove (1205), finally, the tension rope (16) passes through a third mounting hole (402) formed in the other side support plate (4), and the free end of the tension rope (16) is pulled to generate force loaded on the torsion loading disc (1202).
3. The off-angle shaft static torsion test bed according to claim 2, wherein a tension bolt (1602) is arranged at a free end of the tension rope (16), the tension bolt (1602) can be inserted into the third mounting hole (402), the tension bolt and the third mounting hole (606) are matched in shape, rotation of the tension bolt (1602) relative to the third mounting hole (606) can be limited, and an adjusting nut (1604) in threaded connection with the tension bolt (1602) is arranged on the tension bolt.
4. The off-angle shaft static torsion test bed is characterized in that the cross sections of the third mounting hole (1002) and the pull bolt (1602) are irregular circles, and each of the irregular circles is composed of a plane and an arc-shaped face.
5. The off-angle shaft static torsion test bed according to claim 4, wherein the torsion tool (12) is rotatably connected with the sleeve (8) through a second rolling bearing (804) fixed on the inner wall of the sleeve (8).
6. An off-angle shaft static torsion test bench according to claim 5, characterized in that a flange (18) is fixedly installed on the main shaft (3), and the flange (18) is fixed with the support frame (2) through a fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111467897.5A CN114184378A (en) | 2021-12-02 | 2021-12-02 | Declination axis static torsion test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111467897.5A CN114184378A (en) | 2021-12-02 | 2021-12-02 | Declination axis static torsion test bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114184378A true CN114184378A (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111467897.5A Pending CN114184378A (en) | 2021-12-02 | 2021-12-02 | Declination axis static torsion test bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114184378A (en) |
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- 2021-12-02 CN CN202111467897.5A patent/CN114184378A/en active Pending
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