CN216791620U - Compression spring fatigue test device - Google Patents
Compression spring fatigue test device Download PDFInfo
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- CN216791620U CN216791620U CN202220274281.XU CN202220274281U CN216791620U CN 216791620 U CN216791620 U CN 216791620U CN 202220274281 U CN202220274281 U CN 202220274281U CN 216791620 U CN216791620 U CN 216791620U
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- positioning
- lifting column
- wall
- frame
- compression spring
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- 238000009661 fatigue test Methods 0.000 title claims abstract description 25
- 230000006835 compression Effects 0.000 title claims abstract description 22
- 238000007906 compression Methods 0.000 title claims abstract description 22
- 230000000670 limiting effect Effects 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 230000008878 coupling Effects 0.000 claims abstract description 5
- 238000010168 coupling process Methods 0.000 claims abstract description 5
- 238000005859 coupling reaction Methods 0.000 claims abstract description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 17
- 230000033001 locomotion Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a compression spring fatigue testing device which comprises a frame, wherein a bedplate is installed at the center of the outer wall of the top of the frame through a bolt, a supporting column is installed at the center of the outer wall of the top of the bedplate through a bolt, an extension arm is welded at the top end of the outer wall of one side of the supporting column, a motor is installed on the outer wall of the top of the extension arm far away from the other end of the supporting column through a bolt, the output end of the motor is connected with a rotating shaft rod through a coupling in a transmission mode, and a lifting column sleeve is sleeved outside the rotating shaft rod. According to the utility model, the motor drives the rotating shaft rod to rotate, so that the limiting pulley slides along the limiting sliding groove, the limiting pulley can drive the lifting column barrel to slide up and down along the rotating shaft rod through the positioning stud, the lifting column barrel is enabled to carry out fatigue test on the spring body under the action of the positioning disc, the positioning disc is in threaded connection with the bottom of the lifting column barrel, the positioning disc can be used for positioning the spring bodies with different lengths, and further the stability of the spring body during testing is improved.
Description
Technical Field
The utility model relates to the technical field of spring test equipment, in particular to a compression spring fatigue test device.
Background
A spring is a mechanical part that works by elasticity. The spring bears load in work, and the fatigue strength of the spring directly influences the function realization, reliability and service life of the whole part because the spring load force plays the roles of movement and control. Therefore, it is necessary to perform fatigue test on the spring to ensure the quality of the spring, and after the spring is produced and processed, the fatigue resistance test is performed according to the requirement.
Most of the existing fatigue strength testing devices are used for reciprocating drive testing through the arranged electric push rods, hydraulic cylinders or air cylinders, the reciprocating drive testing speed is low, the testing efficiency is influenced, the times of reciprocating compression springs cannot be well recorded, and the fatigue strength testing devices are inconvenient to use. Therefore, it is desirable to design a fatigue testing device for compression springs to solve the above problems.
Disclosure of Invention
The utility model aims to solve the defects that in the prior art, the reciprocating drive testing speed is low, the testing efficiency is influenced, the number of times of reciprocating compression springs cannot be well recorded, and the compression springs are inconvenient to use.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a compression spring fatigue test device, includes the frame, the platen is installed through the bolt in the center department of frame top outer wall, and the center department of platen top outer wall installs the support column through the bolt, the top welding of support column one side outer wall has the extension arm, and installs the motor through the bolt on the top outer wall that the support column other end was kept away from to the extension arm, the output of motor is connected with the pivot pole through the shaft coupling transmission, and the outside of pivot pole has cup jointed the lift cylinder, the pivot pole is located and has offered spacing spout on the inside lateral wall of lift cylinder, and has the location double-screw bolt on the both sides outer wall of lift cylinder, the one end that the location double-screw bolt is located lift cylinder inside has spacing pulley through bearing swing joint, and spacing pulley sliding connection is in the inside of spacing spout.
The key concept of the technical scheme is as follows: the motor drives the pivot pole and rotates for spacing pulley slides along spacing spout, and spacing pulley accessible locating stud drives the lift column casing and slides from top to bottom along the pivot pole, makes the lift column casing carry out fatigue test to the spring body under the effect of positioning disk, novel structure, reasonable in design, the practicality is strong.
Furthermore, the frame is welded with a positioning sliding sleeve penetrating through the frame on the outer wall of the top part of the frame, which is close to the position right below the motor, and the lifting column casing is connected inside the positioning sliding sleeve in a sliding manner.
Furthermore, the frame is close to all welded on the both sides inner wall of location sliding sleeve and has the location crossbeam, and is sliding connection between lift column casing and the location crossbeam.
Furthermore, the lifting column casing is located the lateral wall of location crossbeam bottom and has seted up the screw thread layer, and lifting column casing bottom threaded connection has the positioning disk, all weld on the both sides outer wall of positioning disk has the otic placode.
Furthermore, a spring body is sleeved outside the lifting column barrel between the positioning cross beam and the positioning disc.
Furthermore, lugs are welded on the periphery of the outer wall of the bottom of the frame, and through holes are formed in the axle centers of the lugs.
The utility model has the beneficial effects that:
1. through the motor that sets up, the motor drives the pivot pole and rotates for spacing pulley slides along spacing spout, and spacing pulley accessible locating stud drives the lift column casing and slides from top to bottom along the pivot pole, makes the lift column casing carry out fatigue test to the spring body under the effect of positioning disk, novel structure, reasonable in design, the practicality is strong.
2. Through the positioning sliding sleeve who sets up, the positioning sliding sleeve can play fine positioning action to the lift thick stick of up-and-down motion in-process to stability when having promoted lift thick stick up-and-down motion, rational in infrastructure, the operation is stable, is fit for promoting.
3. Through the positioning disk that sets up, positioning disk threaded connection is in the bottom of lift column casing for the positioning disk can fix a position the spring body of different length, and then stability when promoting the test of spring body.
Drawings
FIG. 1 is a schematic structural diagram of a fatigue testing device for a compression spring according to the present invention;
FIG. 2 is a schematic view of a partial structure of a fatigue testing device for a compression spring according to the present invention;
FIG. 3 is a schematic view of an extension arm structure of a fatigue testing device for a compression spring according to the present invention;
fig. 4 is a schematic structural view of a lifting column casing of the fatigue testing device for a compression spring according to the present invention.
In the figure: the device comprises a frame 1, lugs 2, a platen 3, a support column 4, an extension arm 5, a positioning sliding sleeve 6, a positioning beam 7, a motor 8, a rotating shaft rod 9, a lifting column cylinder 10, a limiting sliding groove 11, a positioning stud 12, a limiting pulley 13, a thread layer 14, a positioning disc 15, an ear plate 16 and a spring body 17.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1 to 4, a fatigue testing device for compression springs comprises a frame 1, a platen 3 is mounted at the center of the outer wall of the top of the frame 1 through a bolt, a support column 4 is mounted at the center of the outer wall of the top of the platen 3 through a bolt, an extension arm 5 is welded at the top end of the outer wall of one side of the support column 4, a motor 8 is mounted on the outer wall of the top of the extension arm 5 far away from the other end of the support column 4 through a bolt, the output end of the motor 8 is connected with a rotating shaft rod 9 through a coupling transmission, a lifting column 10 is sleeved outside the rotating shaft rod 9, a limit chute 11 is formed in the outer side wall of the rotating shaft rod 9 inside the lifting column 10, positioning studs 12 are in threaded connection with the outer walls of two sides of the lifting column 10, one end of the positioning studs 12 inside the lifting column 10 is movably connected with a limit pulley 13 through a bearing, and the limit pulley 13 is in sliding connection with the limit chute 11, the motor 8 drives the rotating shaft rod 9 to rotate, so that the limiting pulley 13 slides along the limiting sliding groove 11, and the limiting pulley 13 can drive the lifting column barrel 10 to slide up and down along the rotating shaft rod 9 through the positioning stud 12, so that the spring test is completed.
As apparent from the above description, the present invention has the following advantageous effects: motor 8 drives pivot pole 9 and rotates for spacing pulley 13 slides along spacing spout 11, and spacing pulley 13 accessible locating stud 12 drives lift column shell 10 and slides from top to bottom along pivot pole 9, makes lift column shell 10 carry out fatigue test to spring body 17 under the effect of positioning disk 15, novel structure, reasonable in design, and the practicality is strong.
Further, frame 1 is welded on being close to the top outer wall under motor 8 and is run through frame 1's location sliding sleeve 6, and lift shaft 10 sliding connection is in the inside of location sliding sleeve 6, and location sliding sleeve 6 makes the stability when lift shaft 10 up-and-down motion.
Further, all welded on the frame 1 both sides inner wall that is close to positioning sliding sleeve 6 has location crossbeam 7, and is sliding connection between lift shaft 10 and the location crossbeam 7, and location crossbeam 7 has played fine limiting displacement to lift shaft 10, very big promotion the stability when lift shaft 10 moves from top to bottom.
Further, lifting column 10 has been located the lateral wall of location crossbeam 7 bottom and has been seted up screw thread layer 14, and lifting column 10 bottom threaded connection has positioning disk 15, all has welded otic placode 16 on positioning disk 15's the both sides outer wall, and positioning disk 15 threaded connection is in lifting column 10's bottom for positioning disk 15 can carry on spacingly to the spring of different length.
Further, the spring body 17 is sleeved outside the lifting column tube 10 between the positioning cross beam 7 and the positioning disc 15, the positioning cross beam 7 and the positioning disc 15 can play a good limiting role in the spring body 17, and therefore the stability of the spring body 17 during testing is improved.
Further, all weld all around of frame 1 bottom outer wall has lug 2, and the axle center department of lug 2 has seted up the through-hole, and lug 2 makes frame 1 be convenient for install fixed more.
Adopt above-mentioned positioning sliding sleeve 6 can play fine positioning action to the lift urceolus 10 of up-and-down motion in-process to stability when having promoted the up-and-down motion of lift urceolus 10, positioning disk 15 threaded connection is in the bottom of lift urceolus 10, makes positioning disk 15 can fix a position the spring body 17 of different length, and then stability when promoting the test of spring body 17
Some preferred embodiments or application examples are listed below to help those skilled in the art to better understand the technical content of the present invention and the technical contribution of the present invention with respect to the prior art:
example 1
A compression spring fatigue testing device comprises a frame 1, a bedplate 3 is installed at the center of the outer wall of the top of the frame 1 through a bolt, a supporting column 4 is installed at the center of the outer wall of the top of the bedplate 3 through a bolt, an extension arm 5 is welded at the top end of the outer wall of one side of the supporting column 4, a motor 8 is installed on the outer wall of the top of the other end, away from the supporting column 4, of the extension arm 5 through a bolt, the output end of the motor 8 is connected with a rotating shaft rod 9 through a coupling transmission, a lifting column barrel 10 is sleeved outside the rotating shaft rod 9, a limit sliding groove 11 is formed in the outer side wall, located inside the lifting column barrel 10, of the rotating shaft rod 9, positioning studs 12 are in threaded connection on the outer walls of two sides of the lifting column barrel 10, one end, located inside the lifting column barrel 10, of each positioning stud 12 is movably connected with a limit pulley 13 through a bearing, and each limit pulley 13 is in sliding connection with the inside the limit sliding groove 11, the motor 8 drives the rotating shaft rod 9 to rotate, so that the limiting pulley 13 slides along the limiting sliding groove 11, and the limiting pulley 13 can drive the lifting column barrel 10 to slide up and down along the rotating shaft rod 9 through the positioning stud 12, so that the spring test is completed.
A positioning sliding sleeve 6 penetrating through the frame 1 is welded on the outer wall of the top of the frame 1, which is close to the position right below the motor 8, the lifting column casing 10 is connected inside the positioning sliding sleeve 6 in a sliding manner, and the positioning sliding sleeve 6 ensures the stability of the lifting column casing 10 during up-and-down movement; the inner walls of the two sides of the frame 1, which are close to the positioning sliding sleeve 6, are welded with positioning beams 7, the lifting column casing 10 is in sliding connection with the positioning beams 7, the positioning beams 7 have a good limiting effect on the lifting column casing 10, and the stability of the lifting column casing 10 during up-and-down movement is greatly improved; the outer side wall of the lifting column casing 10, which is positioned at the bottom of the positioning cross beam 7, is provided with a thread layer 14, the bottom end of the lifting column casing 10 is in threaded connection with a positioning disc 15, the outer walls of two sides of the positioning disc 15 are both welded with lug plates 16, and the positioning disc 15 is in threaded connection with the bottom of the lifting column casing 10, so that the positioning disc 15 can limit springs with different lengths; the spring body 17 is sleeved outside the lifting column tube 10 between the positioning cross beam 7 and the positioning disc 15, the positioning cross beam 7 and the positioning disc 15 can well limit the spring body 17, and therefore the stability of the spring body 17 in testing is improved; all welded all around of frame 1 bottom outer wall has lug 2, and the axle center department of lug 2 has seted up the through-hole, and lug 2 makes frame 1 be convenient for install fixed more.
The working principle is as follows: this compression spring fatigue test device during the use, the operator at first cup joints the spring body 17 that needs to carry out the test in the bottom of lift column casing 10, make spring body 17 laminate mutually with location crossbeam 7, carry on spacing with 15 threaded connection of positioning disk in the bottom of lift column casing 10 to spring body 17, then starter motor 8, motor 8 drives pivot pole 9 and rotates, make spacing pulley 13 slide along spacing spout 11, spacing pulley 13 accessible location double-screw bolt 12 drives lift column casing 10 and slides from top to bottom along pivot pole 9, and location sliding sleeve 6 can play fine positioning action to lift column casing 10 in the up-and-down motion process, thereby stability when having promoted lift column casing 10 up-and-down motion, make lift column casing 10 carry out fatigue test to spring body 17 under positioning disk 15's effect.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. A compression spring fatigue testing device comprises a frame (1) and is characterized in that a bedplate (3) is installed at the center of the outer wall of the top of the frame (1) through a bolt, a supporting column (4) is installed at the center of the outer wall of the top of the bedplate (3) through a bolt, an extension arm (5) is welded at the top end of the outer wall of one side of the supporting column (4), a motor (8) is installed on the outer wall of the top, far away from the other end of the supporting column (4), of the extension arm (5), the output end of the motor (8) is connected with a rotating shaft rod (9) through a coupling in a transmission manner, a lifting column barrel (10) is sleeved outside the rotating shaft rod (9), a limiting sliding chute (11) is formed in the outer side wall of the lifting column barrel (10), and positioning studs (12) are in threaded connection with the outer walls of two sides of the lifting column barrel (10), the positioning stud (12) is located the inside one end of the lifting column casing (10) and is movably connected with a limiting pulley (13) through a bearing, and the limiting pulley (13) is connected inside the limiting sliding groove (11) in a sliding mode.
2. The fatigue testing device for the compression spring as claimed in claim 1, wherein a positioning sliding sleeve (6) penetrating through the frame (1) is welded on the outer wall of the top of the frame (1) close to the position right below the motor (8), and the lifting column casing (10) is slidably connected inside the positioning sliding sleeve (6).
3. The fatigue testing device for the compression spring as claimed in claim 1, wherein the positioning beams (7) are welded on the inner walls of the two sides of the frame (1) close to the positioning sliding sleeve (6), and the lifting column casing (10) is in sliding connection with the positioning beams (7).
4. A fatigue testing device for a compression spring according to claim 3, wherein the outer side wall of the lifting column casing (10) at the bottom of the positioning beam (7) is provided with a threaded layer (14), the bottom end of the lifting column casing (10) is connected with a positioning disc (15) in a threaded manner, and the outer walls of two sides of the positioning disc (15) are welded with lug plates (16).
5. A compression spring fatigue testing device according to claim 1, characterized in that the spring body (17) is sleeved outside the lifting column casing (10) between the positioning beam (7) and the positioning plate (15).
6. The fatigue testing device for the compression spring as claimed in claim 1, wherein the periphery of the outer wall of the bottom of the frame (1) is welded with the lugs (2), and the axle center of each lug (2) is provided with a through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220274281.XU CN216791620U (en) | 2022-02-10 | 2022-02-10 | Compression spring fatigue test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220274281.XU CN216791620U (en) | 2022-02-10 | 2022-02-10 | Compression spring fatigue test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216791620U true CN216791620U (en) | 2022-06-21 |
Family
ID=82017659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220274281.XU Expired - Fee Related CN216791620U (en) | 2022-02-10 | 2022-02-10 | Compression spring fatigue test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216791620U (en) |
-
2022
- 2022-02-10 CN CN202220274281.XU patent/CN216791620U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220621 |
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| CF01 | Termination of patent right due to non-payment of annual fee |