CN108593288B - Loading device for gear model photoelastic test - Google Patents
Loading device for gear model photoelastic test Download PDFInfo
- Publication number
- CN108593288B CN108593288B CN201810364296.3A CN201810364296A CN108593288B CN 108593288 B CN108593288 B CN 108593288B CN 201810364296 A CN201810364296 A CN 201810364296A CN 108593288 B CN108593288 B CN 108593288B
- Authority
- CN
- China
- Prior art keywords
- mounting
- load
- gear
- loading
- gear model
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- G01M13/021—Gearings
-
- 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
-
- 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
- G01M13/027—Test-benches with force-applying means, e.g. loading of drive shafts along several directions
Abstract
The invention discloses a loading device for a gear model photoelasticity test, which comprises a mounting frame, wherein a first support assembly and a second support assembly are arranged on the mounting frame side by side, a driving gear model for applying torque load is arranged on the first support assembly, the second support assembly comprises a second bearing seat connected with the mounting frame, a second mounting shaft penetrating in the second bearing seat, and a second rotating part for limiting the second mounting shaft to rotate along the direction of the torque load applied on the second mounting shaft, the second mounting shaft is arranged in the second bearing seat through the second rotating part, and a driven gear model meshed with the driving gear model is fixedly arranged on the excircle of the second mounting shaft. Still be equipped with angle adjuster on the mounting bracket, angle adjuster links to each other with second installation axle. The loading device can accurately control the position of the meshing angle, has small loaded additional moment, good stability and economy and convenient disassembly and assembly, and can be better applied to the experimental research of the photoelastic gear.
Description
Technical Field
The invention relates to the field of photoelastic tests, in particular to a loading device for a gear model photoelastic test.
Background
The gear is an essential part of an aircraft engine and a helicopter transmission system, and the measurement of the contact stress and the tooth root stress of the gear in the meshing process is one of the core contents of the gear strength examination. The photoelastic test is a global and internal stress measurement test technology, and can obtain the stress distribution trend and stress concentration point of the gear contact part, so that people often develop the photoelastic test before carrying out the test of a real test piece, evaluate the rationality of the design structure of the gear part and verify the calculation result. The design of the loading device in the photoelastic test directly influences the accuracy, efficiency and cost of the test, including the geometric structure of the loading device, the accuracy of loading and adjustment, operability, cost and the like.
In the existing gear model loading device, weights are used for applying torque, the gear center distance is controlled by the movement of a base, and a dial is used for reading the size of a meshing angle. In the existing loading mechanism of a real gear test piece, a motor is generally adopted to apply torque load on the end of a driving gear, and a corresponding detection mechanism is adopted to measure and collect test data, so that the functions of contact detection, single-tooth detection and the like of the gear test piece are realized.
In the existing gear model loading device, (1) the center distance of the gears is controlled by the installation distance of the base, the relative position fixity between the two shafts is poor, and the change of the center distance is easy to exceed the error permitted range when the load is large; (2) the method has the advantages that a fine meshing angle adjusting device is lacked, the size of a meshing angle cannot be accurately controlled, and a large test error exists when a high-precision gear, particularly a small-module gear, is tested; (3) the weight is adopted to apply torque on the active end, the load is limited, the load can not be regulated in a stepless manner, and the introduced additional moment is large. In the existing loading mechanism of a real gear test piece, (1) the design structure does not consider the collection of the photoelastic test on the stress stripe of the test piece, and the stress stripe of the loaded gear cannot be recorded in real time in the loading process; (2) the structure is complicated, the installation and debugging are tedious, the price is high, the use function and the cost far exceed the requirements of model tests, and the requirements of photoelastic tests on economy and convenience are not met.
Disclosure of Invention
The invention provides a loading device for a gear model photoelastic test, which aims to solve the technical problem that the test error is large because the gear center distance is easy to change in the existing model loading device.
The technical scheme adopted by the invention is as follows:
the utility model provides a loading device for gear model photoelasticity test, including the mounting bracket, be equipped with first support assembly and second support assembly on the mounting bracket side by side, first support assembly includes the first bearing frame that links to each other with the mounting bracket, rotate the first installation axle of installing on the first bearing frame, the driving gear model that is used for applying the moment of torsion load is fixed to be installed on the first installation axle, second support assembly includes the second bearing frame that links to each other with the mounting bracket, wear to locate the second installation axle in the second bearing frame, a second rotation piece that is used for restricting the direction rotation of moment of torsion load that the second installation axle was followed and is exerted on it, the second installation axle is installed in the second bearing frame through the second rotation piece, the fixed driven gear model who sets up with the driving gear model meshing on the; and the center distance limiting plate is arranged on the first installation shaft and the second installation shaft and used for limiting the center distance between the driving gear model and the driven gear model, and the center distance limiting plate is arranged on the outer circles of the first installation shaft and the second installation shaft or on the first bearing block and the second bearing block.
Furthermore, the center distance limiting plate is U-shaped, and two side plates of the center distance limiting plate are respectively arranged on the outer circles of the first installation shaft and the second installation shaft.
Further, the loading device for the photoelastic test of the gear model further comprises an angle regulator, the angle regulator is connected with the second mounting shaft, and the angle regulator is used for accurately regulating the rotation angle of the driven gear model, so that the meshing angle of the driven gear model and the meshing angle of the driving gear model are accurately regulated.
Further, the angle regulator comprises a mounting shell connected with the mounting frame, and a coarse adjustment knob for performing coarse adjustment on the meshing angle, a fine adjustment knob for performing fine adjustment and an angle dial for reading the angle are arranged on the mounting shell; two pairs of gear pairs are arranged in the mounting shell, wherein one pair of gear pairs comprises a first gear and a second gear which are arranged in a meshed mode, and the other pair of gear pairs comprises a third gear and a fourth gear which are arranged in a meshed mode; the rotating shaft of the first gear is connected with the fine adjustment knob, the second gear and the third gear are coaxially arranged, and the rotating shaft of the fourth gear is simultaneously connected with the coarse adjustment knob and the second installation shaft.
Further, first installation hub connection has and is used for carrying out the stepless loading unit of moment of torsion to it, and loading unit connects on the mounting bracket.
Further, the loading unit includes: a load applying member for applying a tensile load of continuously varying magnitude; and a load transfer member coupled to the load applying member for converting a tensile load of the load applying member into a torque load acting on the first mounting shaft, the load transfer member being mounted on an outer circle of the first mounting shaft.
Further, the load changeover member includes a load changeover plate, a first rotating member for fixing the load changeover plate with the first mounting shaft in a direction in which the torque load is applied; the first rotating piece is arranged on the excircle of the first mounting shaft; one end of the load transfer plate is arranged on the outer ring of the first rotating piece, and the other end of the load transfer plate is connected with a load applying member.
Furthermore, the first rotating piece is provided with two one-way bearings which are symmetrically arranged around the driving gear model; the section of the load adapter plate is U-shaped, and two side plates of the load adapter plate are respectively arranged on the outer rings of the two one-way bearings; the load applying member is detachably connected to the base plate of the load adapter plate.
Furthermore, the load applying component comprises a connecting hook detachably connected with the load adapter plate, a connecting rope connected to the bottom end of the connecting hook, a loading screw connected to the bottom end of the connecting rope, a loading nut in threaded connection with the loading screw, and a loading seat fixedly connected to the mounting frame; the loading screw rod penetrates through the loading seat; the loading nut is positioned on one side of the loading seat, which is back to the load adapter plate.
Furthermore, the loading device for the gear model photoelasticity test further comprises a torsion measuring device, the torsion measuring device is installed on the first installation shaft, and the torsion measuring device is used for measuring the torque load on the first installation shaft.
Furthermore, the mounting frame comprises a square mounting frame and a mounting cross beam connected between two oppositely arranged mounting edges of the mounting frame, and a plurality of mounting holes are sequentially arranged on the mounting cross beam at intervals along the length direction of the mounting cross beam; the first bearing seat and the second bearing seat are respectively detachably connected with the mounting cross beam through connecting screws penetrating through the mounting holes.
The invention has the following beneficial effects:
in the invention, the independent center distance limiting plate is adopted, the assembly, disassembly and replacement are convenient, the material strength and rigidity of the center distance limiting plate are far greater than those of the driving gear model and the driven gear model, the deformation under test load is small, and the change of the center distance of the gear in the loading process is ensured not to exceed the error permission range; the center distance limiting plate is designed to be of a U-shaped structure, so that the light paths of the meshing parts of the driving gear model and the driven gear model are not blocked, and the photoelastic meter is convenient to read stress stripes.
According to the invention, the driven gear model is arranged on the second mounting shaft through the second rotating part, the second mounting shaft is connected with the angle adjuster for accurately adjusting the rotation angle of the driven gear model, and the driven gear model is meshed with the driving gear model, so that the rotation angle of the driven gear model can be accurately and rapidly adjusted only by adjusting the angle adjuster, and further the meshing angles of the driven gear model and the driving gear model are accurately and rapidly adjusted, so that the size of the meshing angle is accurately controlled, and finally the test precision of the model gear in the test is improved.
In the invention, the loading unit can load the driving gear model with torque load with continuously changed size, namely, the driving gear model is subjected to torque stepless loading, compared with the prior art that torque is applied to the driving end through the weight, the loading device can carry out torque stepless loading on the driving end, and the load size is not limited and can be regulated and controlled steplessly, so that the loading precision of the loading device can be improved, the loading range of the load is improved, and the precision and the measurement range of a photoelastic test are further improved. Compared with the prior art in which the torque is transmitted or stopped by a motor or other constraint devices, the device has the advantages of simple structure, convenience in use and capability of flexibly adjusting the rotating engagement angle of the gear without disassembly and assembly.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic spatial structure diagram of a loading device for a gear model photoelastic test according to a preferred embodiment of the present invention;
fig. 2 is a schematic structural diagram of two pairs of gear pairs in fig. 1.
Description of the figures
10. A mounting frame; 11. installing a frame; 12. mounting a cross beam; 120. mounting holes; 20. a first support assembly; 21. a first bearing housing; 30. a second support assembly; 31. a second bearing housing; 40. a driving gear model; 50. a driven gear model; 60. a loading unit; 61. a load applying member; 611. a connecting hook; 612. connecting ropes; 615. a loading base; 621. a load transfer plate; 70. a torque measuring device; 80. a center distance limiting plate; 90. an angle adjuster; 91. a coarse adjustment knob; 92. fine adjustment of the knob; 93. installing a shell; 94. a first gear; 95. a second gear; 96. a third gear; 97. a fourth gear.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
Referring to fig. 1, a preferred embodiment of the present invention provides a loading device for a gear model photoelasticity test, including a mounting bracket 10, a first support assembly 20 and a second support assembly 30 are arranged on the mounting bracket 10 side by side, a driving gear model 40 for applying a torque load is arranged on the first support assembly 20, the second support assembly 30 includes a second support seat 31 connected to the mounting bracket 10, a second mounting shaft inserted into the second support seat 31, and a second rotating member for limiting the second mounting shaft to rotate in a direction of the torque load applied thereon, the second mounting shaft is arranged in the second support seat 31 through the second rotating member, and a driven gear model 50 engaged with the driving gear model 40 is fixedly arranged on an outer circle of the second mounting shaft. The first mounting shaft and the second mounting shaft are also provided with center distance limiting plates 80.
Specifically, as shown in fig. 1, the center distance limiting plate 80 is used for limiting the center distance between the driving gear model 40 and the driven gear model 50, and the center distance limiting plate 80 is installed on the outer circles of the first mounting shaft and the second mounting shaft at the same time or installed on the first bearing seat 21 and the second bearing seat 31 at the same time. In the embodiment of the invention, the number of the center distance limiting plates 80 is two, the two center distance limiting plates 80 are symmetrically arranged on two sides of the gear model, each center distance limiting plate 80 is in a 'U' shape, and two side plates of each center distance limiting plate 80 are respectively arranged on the outer circles of the first mounting shaft and the second mounting shaft. The center distance limiting plate 80 limits the center distance between the driving gear model 40 and the driven gear model 50, and thus controls the matching accuracy of the driving gear model 40 and the driven gear model 50.
In the invention, the independent center distance limiting plates 80 are adopted, so that the assembly and disassembly are convenient, and when the gears with different specifications of center distances are tested, only the corresponding center distance limiting plates 80 are needed to be replaced, the cost is saved, and the condition that the change of the center distance of the gears in the loading process cannot exceed the error range is ensured. On the other hand, the center distance limiting plate 80 is designed to be of a U-shaped structure, so that the light path of the meshing part of the driving gear model 40 and the driven gear model 50 is not blocked, and the measurement precision of the photoelasticometer is improved. In the invention, the material structure rigidity of the center distance limiting plate 80 is far greater than that of the driving gear model 40 and the driven gear model 50, so that the gear center distance is further ensured not to change in the loading process.
Optionally, the loading device for the photoelasticity test of the gear model further includes an angle adjuster 90, the angle adjuster 90 is connected to the second mounting shaft, and the angle adjuster 90 is used for accurately adjusting the rotation angle of the driven gear model 50, so as to accurately adjust the engagement angle of the driven gear model 50 and the driving gear model 40.
In the loading device for the photoelastic test of the gear model, the driven gear model 50 is arranged on the second mounting shaft through the second rotating part, the second mounting shaft is connected with the angle adjuster 90 for accurately adjusting the rotation angle of the driven gear model 50, and the driven gear model 50 is meshed with the driving gear model 40, so that the rotation angle of the driven gear model 50 can be accurately and quickly adjusted only by adjusting the angle adjuster 90, the meshing angles of the driven gear model 50 and the driving gear model 40 are further accurately and quickly adjusted, the size of the meshing angle is accurately controlled, and the test accuracy of a high-precision gear, particularly a small-modulus gear, in the test is finally improved.
Specifically, as shown in fig. 1, the second rotating member is a one-way bearing, and the one-way bearing can realize engagement and torque stop of the driven gear model 50 at any angle, so that the second mount assembly 30 has a simple structure, and the engagement precision of the driven gear model 50 and the driving gear model 40 is high. The second bearing block 31 includes two oppositely disposed hanging plates, and the top ends of the two hanging plates are respectively connected to the mounting frame 10. The second installation axle wears to locate two hanger plates simultaneously, and the second rotates the piece in the junction of every hanger plate and second installation axle.
Alternatively, as shown in fig. 2, the angle adjuster 90 includes a mounting housing 93 connected to the mounting frame 10, and a coarse adjustment knob 91 for coarse adjustment of the engagement angle and a fine adjustment knob 92 for fine adjustment are provided on the mounting housing 93, and an angle dial for reading the angle. Two pairs of gear pairs are provided within the mounting housing 93, one pair of gear pairs including a first gear 94 and a second gear 95 arranged in meshing engagement, and the other pair of gear pairs including a third gear 96 and a fourth gear 97 arranged in meshing engagement. The first gear 94 has a rotational axis connected to the fine adjustment knob 92, the second gear 95 and the third gear 96 are coaxially disposed, and the fourth gear 97 has a rotational axis connected to both the coarse adjustment knob 91 and the second mounting shaft. Specifically, a rotation shaft of a first gear 94 is connected to the fine adjustment knob 92 and is mounted on the mounting housing 93 through a bearing, the first gear 94 is engaged with a second gear 95 with a transmission ratio of 5, the second gear 95 is mounted on the mounting housing 93 through a bearing, a third gear 96 is fixedly mounted on the rotation shaft of the second gear 95 and is engaged with a fourth gear 97 with a transmission ratio of 6, and a rotation shaft of the fourth gear 97 is connected to both the coarse adjustment knob 91 and the second mounting shaft and is mounted on the mounting housing 93 through a bearing. During adjustment, the rotation angle of the second mounting shaft is finally adjusted by rotating the coarse adjustment knob 91 and/or the fine adjustment knob 92, thereby realizing rapid and accurate adjustment of the engagement angle.
Alternatively, as shown in fig. 1, the first seat assembly 20 includes a first bearing seat 21 connected to the mounting bracket 10, and a first mounting shaft rotatably mounted on the first bearing seat 21, and the driving gear module 40 is fixedly mounted on the first mounting shaft. The first mounting shaft is connected with a loading unit 60 for torque stepless loading, and the loading unit 60 is connected to the mounting frame 10.
When the loading device for the photoelastic test of the gear model is used for testing, the loading unit 60 carries out torque stepless loading on the first installation shaft, the driving gear model 40 is fixedly arranged on the first installation shaft, the torque load is transmitted to the driving gear model 40 through the first installation shaft, the driven gear model 50 is meshed with the driving gear model 40, the torque load is transmitted to the driven gear model 50, the driving gear model 40 and the driven gear model 50 are further meshed and loaded, and finally, the stress distribution trend and the stress concentration point of the gear contact part can be obtained by contrasting the meshing parts of the driving gear model 40 and the driven gear model 50 through a photoelastic meter. In the loading device for the photoelastic test of the gear model, the loading unit 60 can load the driving gear model 40 with the torque load with continuously changed magnitude, namely, the driving gear model 40 is subjected to torque stepless loading, compared with the prior art that the torque is applied to the driving end through the weight, the loading device can perform torque stepless loading on the driving end, the magnitude of the load is not limited and can be regulated and controlled steplessly, so that the loading precision of the loading device can be improved, the loading range of the load is improved, and the precision and the measuring range of the photoelastic test are improved.
Specifically, as shown in fig. 1, the loading unit 60 includes: and a load applying member 61 for applying a tensile load of continuously varying magnitude. And a load transfer member coupled to the load applying member 61 for converting a tensile load of the load applying member 61 into a torque load acting on the first mounting shaft, the load transfer member being mounted on the outer circle of the first mounting shaft. When a load is applied, the load applying member 61 applies a tensile load of continuously varying magnitude, the tensile load is transmitted to the load transfer member through the load transfer member connected to the load applying member 61, and the tensile load is converted into a torque load acting on the first mounting shaft by the load transfer member.
Alternatively, as shown in fig. 1, the load adapter member includes a load adapter plate 621, a first rotating member for fixing the load adapter plate 621 with the first mounting shaft in the direction in which the torque load is applied. The first rotating piece is arranged on the excircle of the first mounting shaft. One end of the load transfer plate 621 is attached to the outer ring of the first rotating member, and the other end of the load transfer plate 621 is vertically connected to the load applying member 61.
In the embodiment of the present invention, as shown in fig. 1, the first rotating member is two one-way bearings, and the two one-way bearings are symmetrically arranged about the driving gear model 40. The adoption of the one-way bearing can realize the meshing and loading of the driving gear model 40 at any angle, and the structure of the load transfer component is simple, and the meshing precision of the driving gear model 40 and the driven gear model 50 is high. The cross section of the load transfer plate 621 is "U" shaped, and two side plates of the load transfer plate 621 are respectively mounted on the outer rings of the two unidirectional bearings. The load applying member 61 is detachably attached to the base plate of the load transfer plate 621. In other embodiments, the load adapter plate 621 may also be a linear plate structure. The first rotating member is a one-way bearing, one end of the load transfer plate 621 is mounted on the first mounting shaft through the one-way bearing, and the other end of the load transfer plate 621 is connected to the load applying member 61.
In an embodiment of the present invention, as shown in fig. 1, the first bearing seat 21 includes two oppositely disposed hanging plates, and top ends of the two hanging plates are respectively connected to the mounting frame 10. The first installation shaft penetrates through the two hanging plates simultaneously, and a third bearing is installed at the joint of each hanging plate and the first installation shaft. The driving gear model 40 is fixedly arranged on the excircle of the first mounting shaft and is positioned between the two hanging plates. The two side plates of the load transfer plate 621 are respectively arranged outside the two hanging plates. Preferably, before loading begins, the load adapter plate 621 is horizontal for eliminating the initial torque applied by the load adapter plate 621 to the first mounting shaft.
Alternatively, as shown in fig. 1, the load applying member 61 includes a connection hook 611 detachably connected to the load adapter plate 621, a connection string 612 connected to a bottom end of the connection hook 611, a loading screw connected to a bottom end of the connection string 612, a loading nut threadedly connected to the loading screw, and a loading socket 615 fixedly connected to the mounting bracket 10. The loading screw is inserted into the loading seat 615. The load nut is located on the load socket 615 on the side facing away from the load adapter plate 621. In this embodiment, the connecting rope 612 is a steel wire. The bottom plate of the load adapter plate 621 is provided with a connecting ring, and the connecting hook 611 is hooked on the connecting ring. When a load is applied, the loading nut can be screwed by an auxiliary tool such as a wrench, the loading nut is positioned on one side of the loading seat 615, which is opposite to the load adapter plate 621, and abuts against the loading seat 615, and the loading nut abuts against the loading seat 615, so that when the loading nut rotates, a downward tensile load of the loading screw rod is applied, and the tensile load is transmitted to the load adapter plate 621 sequentially through the connecting rope 612 and the connecting hook 611.
Optionally, as shown in fig. 1, the loading device for the gear model photoelasticity test further includes a torque measuring device 70, the torque measuring device 70 is installed on the first installation shaft, and the torque measuring device 70 is used for measuring the magnitude of the torque load on the first installation shaft. In this embodiment, the torque sensor 70 is a torque sensor. The torque measuring sensor is used for measuring the torque load on the first mounting shaft, and therefore the accuracy of the load size is guaranteed.
Optionally, as shown in fig. 1, the mounting frame 10 includes a square mounting frame 11, and a mounting cross beam 12 connected between two opposite mounting edges of the mounting frame 11, and a plurality of mounting holes 120 are sequentially formed on the mounting cross beam 12 at intervals along a length direction thereof. The first bearing housing 21 and the second bearing housing 31 are detachably connected to the mounting beam 12 by connecting screws passing through the mounting holes 120, respectively. In the test, the gears with different center distances can be mounted on the mounting frame 10 through the connection with the different mounting holes 120 on the mounting cross beam 12, so that the mounting and dismounting operations are simple, and the structure of the mounting frame 10 can be simplified.
The loading device for the gear model photoelastic test adopts independent supporting, limiting and loading units in the design, and only a small number of parts are required to be replaced for testing models with different specifications, so that the expansion is facilitated; the device has compact integral structure and short front-back distance, and the meshing position does not shield the light path, thereby being convenient for collecting and recording the stress stripes in the test; the device can carry out stepless loading and quick accurate meshing angle adjustment, is simple to use, and low cost compares in the demand that other loading devices can better agree with photoelastic gear experimental research.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. A loading device for a gear model photoelastic test is characterized in that,
including mounting bracket (10), be equipped with first support assembly (20) and second support assembly (30) on mounting bracket (10) side by side, first support assembly (20) including with first bearing (21) that mounting bracket (10) link to each other, rotate install in first installation axle on first bearing (21), first installation epaxial fixed mounting has driving gear model (40) that are used for applying torque load, second support assembly (30) including with second bearing (31) that mounting bracket (10) link to each other, wear to locate second installation axle in second bearing (31), be used for the restriction second installation axle rotates along the direction pivoted second of applying torque load on it, the second installation axle passes through the second rotates install in second bearing (31), fixed mounting on the excircle of second installation axle with driven gear model (40) meshing setting is rotated to driven gear model (40) Type (50);
a center distance limiting plate (80) is further mounted on the first mounting shaft and the second mounting shaft, the center distance limiting plate (80) is used for limiting the center distance between the driving gear model (40) and the driven gear model (50), and the center distance limiting plate (80) is mounted on the outer circles of the first mounting shaft and the second mounting shaft simultaneously or mounted on the first bearing seat (21) and the second bearing seat (31) simultaneously.
2. The loading device for the gear model photoelastic test according to claim 1,
the center distance limiting plate (80) is U-shaped, and two side plates of the center distance limiting plate (80) are respectively arranged on the outer circles of the first installation shaft and the second installation shaft.
3. The loading device for the gear model photoelastic test according to claim 1,
the loading device for the photoelastic test of the gear model further comprises an angle regulator (90), the angle regulator (90) is connected with the second mounting shaft, and the angle regulator (90) is used for accurately regulating the rotation angle of the driven gear model (50) and further accurately regulating the meshing angles of the driven gear model (50) and the driving gear model (40).
4. The loading device for the gear model photoelastic test according to claim 3,
the angle regulator (90) comprises a mounting shell (93) connected with the mounting rack (10), and a coarse adjusting knob (91) for performing coarse adjustment on a meshing angle, a fine adjusting knob (92) for performing fine adjustment and an angle dial for reading an angle are arranged on the mounting shell (93);
two pairs of gear pairs are arranged in the mounting shell (93), wherein one pair of gear pairs comprises a first gear (94) and a second gear (95) which are arranged in a meshed mode, and the other pair of gear pairs comprises a third gear (96) and a fourth gear (97) which are arranged in a meshed mode;
the rotating shaft of the first gear (94) is connected with the fine adjustment knob (92), the second gear (95) and the third gear (96) are coaxially arranged, and the rotating shaft of the fourth gear (97) is simultaneously connected with the coarse adjustment knob (91) and the second installation shaft.
5. The loading device for the gear model photoelastic test according to claim 1,
the first mounting shaft is connected with a loading unit (60) used for carrying out torque stepless loading on the first mounting shaft, and the loading unit (60) is connected to the mounting frame (10).
6. The loading device for the gear model photoelastic test according to claim 5,
the loading unit (60) comprises:
a load applying member (61) for applying a tensile load of which magnitude varies continuously;
and a load transfer member coupled to the load applying member (61) for converting a tensile load of the load applying member (61) into a torque load acting on the first mounting shaft, the load transfer member being mounted on an outer circle of the first mounting shaft.
7. The loading device for the gear model photoelastic test according to claim 6,
the load adapter member includes a load adapter plate (621), a first rotating member for fixing the load adapter plate (621) with the first mounting shaft in a direction in which a torque load is applied;
the first rotating piece is arranged on the outer circle of the first mounting shaft;
one end of the load transfer plate (621) is mounted on the outer ring of the first rotating member, and the other end of the load transfer plate (621) is connected to the load applying member (61).
8. The loading device for the gear model photoelastic test according to claim 7,
the first rotating piece is provided with two one-way bearings which are symmetrically arranged around the driving gear model (40);
the section of the load adapter plate (621) is U-shaped, and two side plates of the load adapter plate (621) are respectively arranged on the outer rings of the two one-way bearings;
the load applying member (61) is detachably attached to the bottom plate of the load transfer plate (621).
9. The loading device for the gear model photoelastic test according to claim 7,
the load applying member (61) comprises a connecting hook (611) detachably connected with the load adapter plate (621), a connecting rope (612) connected with the bottom end of the connecting hook (611), a loading screw rod connected with the bottom end of the connecting rope (612), a loading nut in threaded connection with the loading screw rod, and a loading seat (615) fixedly connected with the mounting rack (10);
the loading screw rod is arranged in the loading seat (615) in a penetrating way;
the loading nut is located on a side of the loading seat (615) facing away from the load adapter plate (621).
10. The loading device for the gear model photoelastic test according to claim 1,
the loading device for the gear model photoelasticity test further comprises a torque measuring device (70), the torque measuring device (70) is installed on the first installation shaft, and the torque measuring device (70) is used for measuring the torque load on the first installation shaft.
11. The loading device for the gear model photoelastic test according to claim 1,
the mounting frame (10) comprises a square mounting frame (11) and a mounting cross beam (12) connected between two oppositely arranged mounting edges of the mounting frame (11), and a plurality of mounting holes (120) are sequentially arranged on the mounting cross beam (12) at intervals along the length direction of the mounting cross beam;
the first bearing seat (21) and the second bearing seat (31) are detachably connected with the mounting cross beam (12) through connecting screws penetrating through the mounting holes (120).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810364296.3A CN108593288B (en) | 2018-04-23 | 2018-04-23 | Loading device for gear model photoelastic test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810364296.3A CN108593288B (en) | 2018-04-23 | 2018-04-23 | Loading device for gear model photoelastic test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108593288A CN108593288A (en) | 2018-09-28 |
| CN108593288B true CN108593288B (en) | 2019-12-20 |
Family
ID=63613881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810364296.3A Active CN108593288B (en) | 2018-04-23 | 2018-04-23 | Loading device for gear model photoelastic test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108593288B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3667435B1 (en) | 2018-12-10 | 2022-06-01 | Montres Breguet S.A. | System for adjusting the position of a first toothed moving part relative to a support on which the first toothed moving part is pivotably mounted, and timepiece comprising such a system |
| CN113418701B (en) * | 2021-07-20 | 2023-05-09 | 上海人本精密机械有限公司 | Friction moment detection testing machine for precise angular contact bearing |
| CN113984545B (en) * | 2021-12-30 | 2022-03-04 | 华北理工大学 | Multi-tooth meshing photoelastic instrument |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014005351A1 (en) * | 2014-04-11 | 2015-10-15 | Thyssenkrupp Ag | Getriebeprüfvorrichtung |
| CN103969111B (en) * | 2014-05-12 | 2016-08-24 | 中国航空动力机械研究所 | Model mix-loaded device |
| CN103968979B (en) * | 2014-05-19 | 2016-04-20 | 中国航空动力机械研究所 | The disposal route of the stressed cord value of series of photoelastic model |
| CN105181458A (en) * | 2015-09-23 | 2015-12-23 | 中国航空动力机械研究所 | Three-dimensional photo-elasticity test method |
| CN105547699B (en) * | 2016-01-27 | 2017-11-21 | 国电联合动力技术有限公司 | A kind of measuring method and measurement apparatus of the distribution of Bearing inner load |
| CN106092407B (en) * | 2016-06-07 | 2018-11-09 | 清华大学 | A kind of Harmonic Gears Tooth friction force test system and method based on photoelastic coating method |
| CN107687947B (en) * | 2017-07-24 | 2019-09-27 | 清华大学 | Harmonic gear transmission meshing characteristic test macro and method based on computer vision |
-
2018
- 2018-04-23 CN CN201810364296.3A patent/CN108593288B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108593288A (en) | 2018-09-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108593288B (en) | Loading device for gear model photoelastic test | |
| CN106289710B (en) | Aerofoil profile model dynamometric system | |
| JP6393421B2 (en) | Multi-target multi-degree-of-freedom static and dynamic test apparatus and method for distributed sensing optical fiber | |
| CN108204782B (en) | Angle measurement and indicating device based on Archimedes spiral disk | |
| CN103115782B (en) | Detection assembly line used for comprehensive performance testing of adjusting arm | |
| CN101625238B (en) | Automatically adjusting balance method of gage beam of flexible coordinate measuring machine and balance joint | |
| WO2018184256A1 (en) | Single point laser vibration measurer based multi-directional wide-angle and continuous-scan vibration measurement auxiliary instrument | |
| CN201508270U (en) | Novel power assembly rotation inertia testing platform | |
| CN205785097U (en) | A kind of manual force application device for measuring material shear strain | |
| CN111207901A (en) | Wind tunnel balance single-vector multi-element loading sleeve device and using method thereof | |
| CN109030267B (en) | Friction test device and test method thereof | |
| CN108692925A (en) | Elastic device for measuring rigidity of ring and measurement method | |
| CN111487023A (en) | Static rigidity testing device for elastic ring supporting structure of rotor system of aircraft engine | |
| CN107101874B (en) | Photosensitive resin model loading device | |
| CN2932303Y (en) | Inside diameter measuring device | |
| CN106644257B (en) | Torque measurement verification device | |
| CN107860506A (en) | A kind of spoke tension force measuring device | |
| US3600939A (en) | Extensometer and attachment | |
| CN203287173U (en) | Manual spring tension-compression testing machine | |
| CN201514298U (en) | Instrument for measuring torque of adjuster | |
| CN2164038Y (en) | Checking device of brake force test desk | |
| CN209310980U (en) | A kind of push-pull effort machine calibration platform | |
| CN209495846U (en) | Torque loading device | |
| CN208968820U (en) | A kind of detection system of fan valve executor | |
| CN202753062U (en) | Cycloid water turbine installation retainer with measurement function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |