CN216483876U - Spring tensile fatigue test device - Google Patents
Spring tensile fatigue test device Download PDFInfo
- Publication number
- CN216483876U CN216483876U CN202122618277.9U CN202122618277U CN216483876U CN 216483876 U CN216483876 U CN 216483876U CN 202122618277 U CN202122618277 U CN 202122618277U CN 216483876 U CN216483876 U CN 216483876U
- Authority
- CN
- China
- Prior art keywords
- riser
- guide pillar
- spring
- workbench
- shaft
- 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
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a spring tensile fatigue test device, which comprises a workbench, the stretching mechanism comprises a guide pillar and a fixed shaft, the guide pillar is installed on the workbench through a first support seat, the guide pillar is installed on the first support seat through a linear bearing and linearly reciprocates, one side of the guide pillar is rotatably connected with one side of the connecting rod, which is far away from the connecting piece, through a third bearing, the other side of the guide pillar is provided with a hook for connecting a spring, the fixed shaft is installed on the workbench through the second support seat, and two ends of the spring are respectively buckled on the hook and the fixed shaft; the utility model has simple structure and good stability, can effectively reduce the failure rate of the test device and improve the detection efficiency.
Description
Technical Field
The utility model relates to the field of automobile spring fatigue tests, in particular to a spring tensile fatigue test device.
Background
The spring is used as a key part in automobile assembly, the fatigue durability of the spring has high requirements, the force application is uniform, and the installation quality directly influences the safety and comfort of the whole automobile.
The utility model patent of China with the publication number of CN 111380677B provides a fatigue testing machine for springs, which comprises a workbench, wherein a plurality of groups of clamping units are arranged at the upper end of the workbench, a shifting unit is arranged at one side of each clamping unit, the shifting unit is detachably connected with the clamping units, the shifting unit is hinged on a driving unit, the clamping units are detachably connected with the workbench, the shifting unit is slidably connected with the workbench, and the driving unit is fixedly arranged above the workbench; the tester realizes the anti-fatigue test of a plurality of groups of springs to be tested simultaneously.
According to the testing machine, the spring is placed in the clamping box during detection, two ends of the spring are respectively connected to the side wall of the clamping box and the hooks on the movable block, and the movable block is slidably connected to the inner wall of the clamping box in a slot key mode; in addition, the sliding block of the shifting unit is also arranged in the sliding groove and slides along the sliding groove direction, and the sliding groove is exposed outside, so that foreign matters can easily fall off, and the sliding block cannot slide; the whole stability of the testing machine is poor, and the failure easily occurs to cause the abnormal detection. Therefore, the utility model provides a spring tensile fatigue test device to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a spring tensile fatigue test device with good stability, reduce the failure rate of the test device and improve the detection efficiency.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a spring tensile fatigue test device for the antifatigue of spring is experimental, and its innovation point lies in: the device comprises a workbench, a transmission mechanism and a stretching mechanism, wherein the transmission mechanism and the stretching mechanism are arranged on the workbench;
the transmission mechanism comprises a connecting rod and a cam, the cam is vertically arranged and is driven to rotate by a motor, a cylindrical connecting piece is arranged on the cam, the central axis of the connecting piece is parallel to the central axis of the cam, and one side of the connecting rod is sleeved on the connecting piece through a second bearing and rotates around the connecting piece;
the stretching mechanism comprises a guide pillar and a fixed shaft, the guide pillar is mounted on the workbench through a first supporting seat, the guide pillar is mounted on the first supporting seat through a linear bearing and linearly reciprocates, one side of the guide pillar is rotatably connected with one side, far away from the connecting piece, of the connecting rod through a third bearing, the other side of the guide pillar is provided with a hook used for being connected with a spring, the fixed shaft is mounted on the workbench through a second supporting seat, and two ends of the spring are respectively buckled on the hook and the fixed shaft.
Further, drive mechanism still includes axle sleeve and shaft coupling, the motor is installed on the workstation, one side and the output shaft of motor of shaft coupling, the opposite side and the shaft coupling of shaft coupling, the axle sleeve passes through the mount pad setting on the workstation, the axle sleeve rotates through first bearing and installs on the mount pad, the axle sleeve is kept away from one side of shaft coupling and is connected with the cam, the axis of the output shaft of motor, shaft coupling, axle sleeve and cam all is on same straight line.
Furthermore, the third bearing is arranged on one side, close to the connecting rod, of the guide column through a connecting assembly, the connecting assembly comprises a first vertical plate, a second vertical plate, a third vertical plate and a connecting shaft, the first vertical plate is connected to the guide column, the second vertical plate and the third vertical plate are arranged on one side, far away from the guide column, of the first vertical plate, the second vertical plate and the third vertical plate are parallel to each other and perpendicular to the first vertical plate, the number of the third bearings is two, two sides of the connecting shaft are respectively connected with the second vertical plate and the third vertical plate through a third bearing, and the connecting rod is located between the second vertical plate and the third vertical plate and is sleeved on the connecting shaft.
Furthermore, protective nets are arranged on the outer sides of the fixed shaft and the guide post and are installed on the workbench.
Further, the testing device also comprises a counting sensor, and the counting sensor is arranged on one side, close to the cam, of the mounting seat through a fixing plate.
The utility model has the advantages that:
(1) according to the utility model, the transmission mechanism and the stretching mechanism are arranged, the rotary motion of the motor is changed into the repeated stretching linear motion, the main structures are connected through the bearings, the structure is simple, the stability is good, the failure rate of the testing device can be effectively reduced, and the detection efficiency is improved.
(2) The cam shaft coupling device has the advantages that the shaft sleeve and the shaft coupling are arranged, so that the cam and the motor are connected, the shaft sleeve is installed by the installation base, and meanwhile, the cam is vertically fixed on one side of the installation base, so that the cam can stably rotate.
(3) According to the utility model, by arranging the connecting assembly, the gravity center deflection can be effectively avoided when the connecting rod is rotatably connected with the guide pillar, and the stable transmission between the connecting rod and the guide pillar is improved.
(4) According to the utility model, through the arrangement of the protective net, the spring is prevented from falling off in the test process, so that the spring is prevented from jumping out to generate danger.
(5) According to the utility model, by arranging the counting sensor, the number of times of repeated linear stretching of the spring can be counted by sensing the number of times of one circle of rotation of the cam and the connecting rod, and the fatigue durability of the spring can be tested.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural view of a spring tensile fatigue test apparatus according to the present invention.
Fig. 2 is a side view of the spring tensile fatigue test apparatus of the present invention.
Fig. 3 is a partial sectional view of the spring tensile fatigue test apparatus of the present invention.
Fig. 4 is a plan view of the spring tensile fatigue test apparatus of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The spring tensile fatigue test device shown in fig. 1-4 is used for the fatigue resistance test of a spring, and comprises a workbench 1, a transmission mechanism and a stretching mechanism, wherein the transmission mechanism and the stretching mechanism are both arranged on the workbench 1.
Drive mechanism includes connecting rod 2, cam 3, axle sleeve 4 and shaft coupling 5, 3 vertical settings of cam are rotatory and through the drive of motor 6, motor 6 installs on workstation 1, one side of shaft coupling 5 and motor 6's output shaft, the opposite side and the axle sleeve 4 of shaft coupling 5 are connected, axle sleeve 4 sets up on workstation 1 through mount pad 401, axle sleeve 4 rotates through two first bearings 402 and installs on mount pad 401, axle sleeve 4 keeps away from one side of shaft coupling 5 and cam 3 fixed connection, the output shaft of motor 6, shaft coupling 5, the axis of axle sleeve 4 and cam 3 all is on same straight line, one side of keeping away from axle sleeve 4 on the cam 3 has a cylindrical connecting piece 7, connecting piece 7 axis is parallel with cam 3 axis, one side of connecting rod 2 is established on connecting piece 7 through second bearing 701 cover and is rotated around connecting piece 7.
The stretching mechanism comprises a guide post 8 and a fixed shaft 9, the guide post 8 is arranged on the workbench 1 through a first supporting seat 801, the guide post 8 is arranged on the first supporting seat 801 through two linear bearings 802 for linear reciprocating movement, one side of the guide post 8 is rotatably connected with one side of the connecting rod 2 far away from the connecting piece 7 through a third bearing 803, in order to avoid the gravity center deflection when the connecting rod 2 is rotatably connected with the guide post 8, the stable transmission between the connecting rod 2 and the guide post 8 is promoted, the third bearing 803 is arranged on one side of the guide post 8 close to the connecting rod 2 through a connecting assembly 10, the connecting assembly 10 comprises a first vertical plate 1001, a second vertical plate 1002, a third vertical plate 1003 and a connecting shaft 1004, the first vertical plate 1001 is connected on the guide post 8, the second vertical plate 1002 and the third vertical plate 1003 are arranged on one side of the first vertical plate 1001 far away from the guide post 8, the second vertical plate 1002 and the third vertical plate 1003 are parallel to each other and are perpendicular to the first vertical plate 1001, the third bearings 803 are two, two sides of the connecting shaft 1004 are respectively connected with the second vertical plate 1002 and the third vertical plate 1003 through the third bearing 803, the connecting rod 2 is located between the second vertical plate 1002 and the third vertical plate 1003 and sleeved on the connecting shaft 1004, the other side of the guide pillar 8 is provided with a hook 804 for connecting a spring, the fixed shaft 9 is installed on the workbench 1 through the second supporting seat 901, and two ends of the spring are respectively buckled on the hook 804 and the fixed shaft 9.
For avoiding among the test process spring to take place to drop, cause the spring to jump out and produce danger, fixed axle 9 and the 8 outsides of guide pillar are equipped with protection network 11, protection network 11 is installed on workstation 1, test device still includes counting sensor 12, counting sensor 12 passes through the fixed plate setting and is close to one side of cam 3 on mount pad 401, through the number of times that response cam 3 and connecting rod 2 rotate a week, the statistics spring carries out the tensile number of times of straight line repeatedly, test spring is tired durable.
According to the spring tensile fatigue test device provided by the utility model, the rotary motion of the motor is changed into the repeated tensile linear motion, and the main structures are connected through the bearings, so that the structure is simple, the stability is good, the failure rate of the test device can be effectively reduced, and the detection efficiency is improved.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a spring tensile fatigue test device for the antifatigue of spring is experimental, its characterized in that: the device comprises a workbench, a transmission mechanism and a stretching mechanism, wherein the transmission mechanism and the stretching mechanism are arranged on the workbench;
the transmission mechanism comprises a connecting rod and a cam, the cam is vertically arranged and is driven to rotate by a motor, a cylindrical connecting piece is arranged on the cam, the central axis of the connecting piece is parallel to the central axis of the cam, and one side of the connecting rod is sleeved on the connecting piece through a second bearing and rotates around the connecting piece;
the stretching mechanism comprises a guide pillar and a fixed shaft, the guide pillar is mounted on the workbench through a first supporting seat, the guide pillar is mounted on the first supporting seat through a linear bearing and linearly reciprocates, one side of the guide pillar is rotatably connected with one side, far away from the connecting piece, of the connecting rod through a third bearing, the other side of the guide pillar is provided with a hook used for being connected with a spring, the fixed shaft is mounted on the workbench through a second supporting seat, and two ends of the spring are respectively buckled on the hook and the fixed shaft.
2. The spring tensile fatigue test apparatus of claim 1, wherein: the transmission mechanism further comprises a shaft sleeve and a shaft coupler, the motor is installed on the workbench, one side of the shaft coupler is connected with an output shaft of the motor, the other side of the shaft coupler is connected with the shaft sleeve, the shaft sleeve is arranged on the workbench through a mounting seat, the shaft sleeve is rotatably installed on the mounting seat through a first bearing, one side, far away from the shaft coupler, of the shaft sleeve is connected with the cam, and central axes of the output shaft, the shaft coupler, the shaft sleeve and the cam of the motor are all on the same straight line.
3. The spring tensile fatigue test apparatus of claim 1, wherein: the third bearing passes through coupling assembling setting and is close to one side of connecting rod at the guide pillar, coupling assembling includes first riser, second riser, third riser and connecting axle, and the first riser is connected on the guide pillar, and second riser and third riser setting are kept away from one side of guide pillar at the first riser, and second riser and third riser are parallel to each other and perpendicular with the first riser, the third bearing has two, the both sides of connecting axle are connected with second riser, third riser through a third bearing respectively, the connecting rod is located between second riser and the third riser and the cover is established on the connecting axle.
4. The spring tensile fatigue test apparatus of claim 1, wherein: and protective nets are arranged on the outer sides of the fixed shaft and the guide post and are installed on the workbench.
5. The spring tensile fatigue test apparatus of claim 1, wherein: the testing device further comprises a counting sensor, and the counting sensor is arranged on one side, close to the cam, of the mounting seat through a fixing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122618277.9U CN216483876U (en) | 2021-10-29 | 2021-10-29 | Spring tensile fatigue test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122618277.9U CN216483876U (en) | 2021-10-29 | 2021-10-29 | Spring tensile fatigue test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216483876U true CN216483876U (en) | 2022-05-10 |
Family
ID=81444889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122618277.9U Active CN216483876U (en) | 2021-10-29 | 2021-10-29 | Spring tensile fatigue test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216483876U (en) |
-
2021
- 2021-10-29 CN CN202122618277.9U patent/CN216483876U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105737710A (en) | Device of detecting axial and radial runout of shaft parts | |
| CN216483876U (en) | Spring tensile fatigue test device | |
| CN111638149A (en) | Automobile windshield detection device | |
| CN116448539A (en) | Magnetic core detection device | |
| CN110411874B (en) | Spring fatigue detection device and detection method | |
| CN209014388U (en) | Battery welding tensile force testing equipment | |
| CN217237448U (en) | Folding screen pivot torsion testing machine | |
| CN213632651U (en) | Altitude valve fatigue test device | |
| CN106840857B (en) | A kind of button test device | |
| CN213263156U (en) | Weighing device and weighing detection equipment | |
| CN217384675U (en) | Automobile suspension helical spring endurance test frock | |
| CN2687657Y (en) | Spring fatigue testing machine | |
| CN211668997U (en) | Friction-resistant tester | |
| CN210166132U (en) | Horizontal spring check out test set | |
| CN215510443U (en) | Multi-station pilling instrument | |
| CN216955066U (en) | Drop collision rigidity damping testing device | |
| CN220050786U (en) | Screw tightening mechanism and equipment thereof | |
| CN116499902A (en) | Bending type steel wire fatigue testing machine | |
| CN209689892U (en) | A kind of sliding block spring multipurpose test system | |
| CN111811790A (en) | Horizontal spring check out test set | |
| CN116046424B (en) | Double-disc coil type electric suspension experimental device | |
| CN218036162U (en) | Three-in-one wire bending, twisting and stretching detector | |
| CN114354412B (en) | Cylindrical spring tensile fatigue testing device | |
| CN220207071U (en) | Needle bearing flexibility detection device | |
| CN213517787U (en) | Display test platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |