CN111735720A - Torsion test combination device for torsion shaft - Google Patents
Torsion test combination device for torsion shaft Download PDFInfo
- Publication number
- CN111735720A CN111735720A CN202010670392.8A CN202010670392A CN111735720A CN 111735720 A CN111735720 A CN 111735720A CN 202010670392 A CN202010670392 A CN 202010670392A CN 111735720 A CN111735720 A CN 111735720A
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- Prior art keywords
- torsion
- shaft
- jack
- spline sleeve
- pressing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/22—Investigating strength properties of solid materials by application of mechanical stress by applying steady torsional forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The torsion shaft torsion test combination device disclosed by the invention avoids the situation that the clamp is placed on an oil press to operate stress application adjustment, and can realize torsion tests of more than two torsion shafts at the same time by arranging a plurality of corresponding torsion bodies and pressing bodies. Whether the torsion shaft is qualified or not can be accurately and visually determined, the bearing capacity of the material is exerted to the maximum extent, and the detection efficiency is improved.
Description
Technical Field
The invention belongs to a mechanical transmission torsion test device, and particularly relates to a torsion shaft torsion test combined device.
Background
The torsion shaft is a straight shaft having torsional elasticity, and is often designed between the vehicle body and the frame for resisting the side rolling vibration of the vehicle body. Typically requiring 50% each clockwise or counterclockwise twist of the torsion shaftIn the rotation test, an L mark is marked on the clockwise end face, an R mark is marked on the anticlockwise end face, the torsion shaft is firstly pre-twisted once according to the marking direction, and the pre-twisting angle β is obtainedPreparation ofα degrees, keeping for m minutes, marking the torsion shaft at the rod part after t1 hours of pre-twisting unloading, and marking each shaft after pre-twisting according to the twisting direction and the twisting angle βQuietWhen the torsion shaft is kept for t2 hours at α degrees and is measured after t3 hours of unloading, the residual deformation is not more than α 1 degrees, so that the torsion test and the detection are simultaneously carried out on one torsion shaft set, and related clamps and detection aids need to be designed and manufactured.
Disclosure of Invention
The torsion shaft torsion test combination device disclosed by the invention realizes the convenience of the torsion shaft measurement test under the condition of a simple structure.
The invention discloses a torsion test combination device for a torsion shaft, which comprises a clamp body, a pressing body, a torsion body, a jack seat, a power frame, a fine adjustment body, a jack and the torsion shaft, wherein the clamp body is provided with a clamping hole;
the clamp body is fixedly provided with a pressing body and a twisting body;
one end of the torsion body is provided with a torsion spline sleeve, and the other end of the torsion body is connected with the bottom end of the jack seat; the top end of the jack seat is fixed with the jack; the top of the jack is hinged with a rotary seat on the power frame, the lower end of the power frame is respectively provided with a first clamping pin and a second clamping pin, and the first clamping pin and the second clamping pin are fixedly clamped with the fixture body;
the pressing spline sleeve at one end of the pressing body is opposite to the torsion spline sleeve, and the other end of the pressing body is contacted with the top of the fine adjustment body;
when the torsion shaft works, two ends of the torsion shaft are sleeved in the torsion spline sleeve and the compression spline sleeve respectively; the jack drives the jack seat to move downwards so as to drive the torsion body to rotate around the axis of the torsion spline sleeve and further drive the torsion shaft to twist around the axis; the other end of the torsion shaft drives the pressing body to rotate through the spline sleeve, the pressing body is blocked by the fine adjustment body, and the torsion body continuously drives one end of the torsion shaft combined with the torsion spline sleeve to continue torsion.
Furthermore, the fine adjustment body comprises a lifting shaft, a cylinder, a bearing and a supporting shaft; the lifting shaft lifts and supports the bearing, and the upper end of the bearing is fixedly provided with a supporting shaft and an external sleeve.
The beneficial technical effects of the invention are as follows: the torsion shaft torsion test combination device disclosed by the invention avoids the situation that the clamp is placed on an oil press to operate stress application adjustment, and can realize torsion tests of more than two torsion shafts at the same time by arranging a plurality of corresponding torsion bodies and pressing bodies. Whether the torsion shaft is qualified or not can be accurately and visually determined, the bearing capacity of the material is exerted to the maximum extent, and the detection efficiency is improved.
Drawings
FIG. 1 is a front view of the twist-axle;
FIG. 2 is a front view of the torsion shaft torsion test assembly of the present invention;
FIG. 3 is a top view of the torsion shaft torsion test assembly of the present invention;
FIG. 4 is a front view of the clamp body of the present invention;
FIG. 5 is a view of the torsion axle of the present invention in a fixed position into a starting torsional position;
FIG. 6 is a state of the twist-axle of the present invention in an extreme twist position;
FIG. 7 is a schematic diagram of the fine adjustment and compression of the compression body of the present invention;
FIG. 8 is a power frame configuration of the present invention;
FIG. 9 is a view of the structure of the trimming body of the present invention;
FIG. 10 is a schematic illustration of the torsion shaft of the present invention after twisting;
FIG. 11 is a block diagram of the jack mount of the present invention;
FIG. 12 is a top view of FIG. 11;
FIG. 13 is a view showing the construction of a twisting body according to the present invention;
fig. 14 is a top view of fig. 13.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 14.
The invention discloses a torsion test combination device of a torsion shaft, which comprises a clamp body 1, a pressing body 2, a torsion body 3, a jack seat 4, a power frame 5, a fine adjustment body 6, a jack 7 and the torsion shaft 8;
the clamp body 1 is processed by heat treatment tempering after welding of all parts, and then a plurality of supporting planes, end faces, four coaxial holes and motion angle limiting holes are processed; the pressing body 2 and the twisting body 3 are arranged in the hole of the clamp body 1 and can flexibly rotate; then the first clamping foot 5-1 and the second clamping foot 5-2 on the two power frames 5 are clamped on the fixture body 1.
One end of the twisting body 3 is a twisting spline sleeve 3-1, and the other end is connected with the bottom end of the jack seat 4 through a pin 1-1; the top end of the jack seat 4 is fixed with the jack 7; a hydraulic support rod 7-1 at the top of the jack is hinged with a rotary seat 5-3 on a power frame 5, the lower end of the power frame 5 is respectively provided with a first clamping pin 5-1 and a second clamping pin 5-2, and the first clamping pin 5-1 and the second clamping pin 5-2 are fixedly clamped with a clamp body 1; the jack 7 is shaken to enable a hydraulic support rod 7-1 at the top of the jack, which can be stretched, of the jack to be in contact with an inner hole of the rotary seat 5-3, the jack 7 is shaken ceaselessly, the hydraulic support rod 7-1 extends out ceaselessly, the power frame 5 is clamped on the clamp body 1 and cannot move upwards, only the jack seat 4 moves downwards, the torsion body 3 rotates downwards, and the torsion spline sleeve 3-1 drives the torsion shaft 8 to twist.
The pressing spline housing 2-1 at one end of the pressing body 2 is opposite to the torsion spline housing 3-1, and the other end of the pressing body is contacted with the top of the fine adjustment body 6; the fine adjustment body 6 comprises a lifting shaft 6-1, a barrel 6-2, a bearing 6-3 and a supporting shaft 6-4; the lifting shaft 6-1 lifts and supports the bearing 6-3, the upper end of the bearing 6-3 is fixedly provided with a supporting shaft 6-4 and an outer sleeve 6-2. The other end of the torsion shaft 8 drives the pressing body 2 to rotate through the pressing spline housing 2-1, but is blocked by the fine adjustment body 6, so that the torsion body 3 continues to rotate, and the end of the torsion shaft 8 combined with the pressing spline housing 2-1 is driven to continue to twist. And after the torsion shaft is twisted to a required angle, the handle 1-2 is inserted, the hydraulic support rod 7-1 retracts to the original state after the hydraulic pressure is released, the jack 7 is removed, and the torsion shaft torsion test combination device is taken to another set for use.
And starting the test, marking a mark in the torsion test direction on the end face of the torsion shaft 8, wherein the mark is L in the clockwise direction, the mark is R in the counter clock direction, and each batch of parts are 50% in the clockwise direction and the counter clockwise direction respectively.
Both ends of the torsion shaft 8 with end faces marked R are respectively sleeved in the torsionThe spline housing 3-1 and the compression spline housing 2-1 require the handle to be inserted into the upper hole, when the surface of the torsion body contacts the handle shaft, if the torsion shaft cannot pass through, the height of the fine adjustment body is adjusted, then the handle 1-2 is shaken to rotate the torsion body to a torsion angle βPreparation ofWhen the angle is α degrees, the handle 1-2 is inserted into the lower hole, the torsion body 8 contacts the handle shaft in a surface mode, the stress application is stopped, the jack 7 is taken out and placed into the other power frame, two ends of the torsion shaft 8 with the end surface marked L are respectively sleeved into the torsion spline sleeve 3-1 and the compression spline sleeve 2-1, the handle 1-2 is required to be inserted into the upper hole, when the torsion body contacts the handle shaft in a surface mode, if the torsion shaft cannot pass through, the height of the fine adjustment body is slightly adjusted, then the handle is shaken, and the torsion body is rotated to a torsion angle βPreparation ofWhen the angle is α degrees, the handle is inserted into the lower hole, the surface of the torsion body contacts the handle shaft, the force application is stopped, the jack is taken out, the jack is kept for m minutes, the torsion body 8 after the pre-torsion load is removed for t1 hours is marked to check whether the torsion body 8 is qualified or not, after the torsion body 8 is checked to be qualified, the torsion angle β is determined according to the method described above according to the torsion direction after the torsion body 8 is checked to be qualifiedQuietWhen the temperature is kept at α degrees for t2 hours and the residual deformation is measured after t3 hours of unloading, the residual deformation is not more than α 1 degrees.
The combined device for torsion test of the torsion shaft has compact structure, is convenient and reliable to use and operate, and avoids the situation that a heavy clamp is placed on an oil press to operate stress application adjustment. Whether the torsion shaft is qualified or not can be accurately and visually determined, the bearing capacity of materials is exerted to the maximum extent, if four sets of clamps are made, eight torsion shafts can be tested simultaneously, and the experiment efficiency is improved.
Claims (2)
1. Torsion-beam torsion test composite set, its characterized in that: comprises a clamp body (1), a pressing body (2), a twisting body (3), a jack seat (4), a power frame (5), a fine adjustment body (6), a jack (7) and a torsion shaft (8);
the clamp body (1) is fixedly provided with a pressing body (2) and a twisting body (3);
one end of the twisting body (3) is provided with a twisting spline sleeve (3-1), and the other end is connected with the bottom end of the jack seat (4); the top end of the jack seat (4) is fixed with the jack (7); the top (7-1) of the jack is hinged with a rotary seat (5-3) on a power frame (5), the lower end of the power frame (5) is respectively provided with a first clamping pin (5-1) and a second clamping pin (5-2), and the first clamping pin (5-1) and the second clamping pin (5-2) are fixedly clamped with a clamp body (1);
the pressing spline sleeve (2-1) at one end of the pressing body (2) is opposite to the torsion spline sleeve (3-1), and the other end of the pressing body is contacted with the top of the fine adjustment body (6);
when the torsion shaft works, two ends of the torsion shaft (8) are sleeved into the torsion spline sleeve (3-1) and the compression spline sleeve (2-1) respectively; the jack (7) drives the jack seat (4) to move downwards so as to drive the torsion body (3) to rotate around the axis of the torsion spline sleeve (3-1), and further drive the torsion shaft (8) to twist around the axis; the other end of the torsion shaft (8) drives the pressing body (2) to rotate through the spline sleeve (2-1), and the pressing body (2) is blocked by the fine adjustment body (6), so that the torsion body (3) continuously drives one end of the torsion shaft (8) combined with the torsion spline sleeve (3-1) to continuously twist.
2. The torsion-axle torsion test combination as recited in claim 1, wherein: the fine adjustment body (6) comprises a lifting shaft (6-1), a cylinder (6-2), a bearing (6-3) and a supporting shaft (6-4); the lifting shaft (6-1) lifts and supports the bearing (6-3), the upper end of the bearing (6-3) is fixedly provided with a supporting shaft (6-4) and an external sleeve (6-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010670392.8A CN111735720A (en) | 2020-07-13 | 2020-07-13 | Torsion test combination device for torsion shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010670392.8A CN111735720A (en) | 2020-07-13 | 2020-07-13 | Torsion test combination device for torsion shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111735720A true CN111735720A (en) | 2020-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010670392.8A Pending CN111735720A (en) | 2020-07-13 | 2020-07-13 | Torsion test combination device for torsion shaft |
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| Country | Link |
|---|---|
| CN (1) | CN111735720A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115945860A (en) * | 2023-03-03 | 2023-04-11 | 福州大学 | Remanufacturing technology process for surface of vehicle torsion shaft |
| CN116399577A (en) * | 2023-06-07 | 2023-07-07 | 北京理工大学 | Torsion shaft fatigue test device and test method |
-
2020
- 2020-07-13 CN CN202010670392.8A patent/CN111735720A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115945860A (en) * | 2023-03-03 | 2023-04-11 | 福州大学 | Remanufacturing technology process for surface of vehicle torsion shaft |
| CN116399577A (en) * | 2023-06-07 | 2023-07-07 | 北京理工大学 | Torsion shaft fatigue test device and test method |
| CN116399577B (en) * | 2023-06-07 | 2023-08-18 | 北京理工大学 | Torsion shaft fatigue test device and test method |
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