CN203949777U - The lifting platen assembly of spring fatigue test machine - Google Patents
The lifting platen assembly of spring fatigue test machine Download PDFInfo
- Publication number
- CN203949777U CN203949777U CN201420258472.2U CN201420258472U CN203949777U CN 203949777 U CN203949777 U CN 203949777U CN 201420258472 U CN201420258472 U CN 201420258472U CN 203949777 U CN203949777 U CN 203949777U
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- China
- Prior art keywords
- plugging portion
- lifting
- compression plate
- lifting shaft
- tapered plugging
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Abstract
The utility model belongs to spring cupping machine technical field, relates in particular to a kind of lifting platen assembly of spring fatigue test machine.It has solved prior art and has been difficult for the technical matterss such as assembling.Be provided with tapered plugging portion in compression plate axial centre, the stub end of tapered plugging portion and compression plate are connected and are provided with circular orientation boss in tapered plugging portion near one end of compression plate, axial centre at lifting shaft is provided with connecting hole, aperture, lower end place at connecting hole is provided with internal taper hole, described tapered plugging portion inserts in internal taper hole and the male cone (strobilus masculinus) of tapered plugging portion and the inner conical surface of internal taper hole match, be provided with hold-down ring at lifting shaft near one end sidepiece of compression plate, on the inner hole wall of hold-down ring, be provided with female spline, on lifting shaft, be provided with the male splines being meshed with female spline, between lifting shaft and tapered plugging portion, be provided with the circumferential detent mechanism for preventing that this lifting shaft and compression plate from circumferentially rotating, the utility model advantage is: be easy to assembling and practical.
Description
Technical field
The utility model belongs to spring cupping machine technical field, relates in particular to a kind of lifting platen assembly of spring fatigue test machine.
Background technology
Spring is a kind of elastic part, it has very strong practicality, for example automobile, in seat etc. structure, while spring being carried out to torture test by spring fatigue test machine, conventionally adopt a driving mechanism to drive a spring to do reciprocal stretching or compression movement at vertical direction, it generally comprises existing spring fatigue test machine frame and is arranged on the spring perch in frame, and various drive units, spring compresses spring by the compression plate that is arranged on frame top, compression plate is fixed on lifting shaft, thereby lifting shaft is connected with drive unit and makes compression plate oscilaltion, at present, its complex structure not only of existing lifting platen assembly, and be difficult for manufacturing, secondly, between the compression plate of lifting platen assembly and lifting shaft, adopt the mode being connected, the mode that welding is connected is fixed, not only structural strength is high for it, and long service life, in order to improve practicality and packaging efficiency, for this reason, people have carried out long-term exploration, have proposed solution miscellaneous.For example, Chinese patent literature discloses a kind of spring tester [application number: 200420110738.5], comprise on pedestal and be installed with back up pad, on back up pad, be provided with pressing plate, back up pad is associated with pulling force counterweight, described pressing plate one side is provided with vernier, vernier is other is provided with scale, is provided with the connecting rod setting firmly with pressing plate on described pressing plate, and connecting rod is provided with travelling carriage, travelling carriage below is provided with cylinder, this cylinder can ejection travelling carriage drivening rod and pressing plate on pedestal, slide up and down.
Such scheme to have structure comparatively simple, pick and place tested spring and be conveniently the advantage such as easy to operate, but this scheme fails thoroughly to solve above-mentioned prior art problem, for example: be difficult for the technical matters such as assembling and complex structure and poor practicability, can not ensure the concentricity of lifting shaft and compression plate, in the time removing pressing spring under compression plate, owing to there being eccentric technological deficiency, thereby directly affect the test result of test machine.
Summary of the invention
The purpose of this utility model is for the problems referred to above, and a kind of lifting platen assembly that is easy to assembling and practical spring fatigue test machine is provided.
For achieving the above object, the utility model has adopted following technical proposal: the lifting platen assembly of this spring fatigue test machine is arranged on gantry stand, this lifting platen assembly comprises that lifter slide and lifter slide that two ends are separately positioned on gantry stand slide and are connected with gantry stand, above gantry stand, be provided with and can drive lifter slide to be connected at the lifting driver of vertical direction lifting, on lifter slide, be provided with lifting shaft and the compression plate that is arranged on lifting shaft lower end, be provided with tapered plugging portion in compression plate axial centre, the stub end of tapered plugging portion and compression plate are connected and are provided with circular orientation boss in tapered plugging portion near one end of compression plate, axial centre at lifting shaft is provided with connecting hole, aperture, lower end place at connecting hole is provided with internal taper hole, described tapered plugging portion inserts in internal taper hole and the male cone (strobilus masculinus) of tapered plugging portion and the inner conical surface of internal taper hole match, be provided with hold-down ring at lifting shaft near one end sidepiece of compression plate, on the inner hole wall of hold-down ring, be provided with female spline, on lifting shaft, be provided with the male splines being meshed with female spline, on lifting shaft, be also provided with the locating ring that is positioned at below hold-down ring and is connected with lifting shaft, described hold-down ring is provided with the first connecting hole that some even circumferentials distribute, be provided with the first some and described connecting hole breach of stepping down one to one at the sidepiece of locating ring, on circular orientation boss, be provided with the first some and described connecting hole the second connecting hole one to one, on hold-down ring, be provided with some coupling bolts that are located in the first connecting hole, the thread end of coupling bolt passes steps down breach and the second connecting hole and is provided with nut in its end, described nut upper surface abuts in the lower surface of circular orientation boss, between described lifting shaft and tapered plugging portion, be provided with the circumferential detent mechanism for preventing that this lifting shaft and compression plate from circumferentially rotating.
In this application, split-type design, in the time that needs are assembled, the female spline and the upper outside spline fitted of lifting shaft that first make the inner hole wall of hold-down ring, the tapered plugging portion being located on compression plate inserts in the internal taper hole in connecting hole aperture, makes the male cone (strobilus masculinus) of tapered plugging portion and the inner conical surface of internal taper hole match (guarantee concentricity), then coupling bolt is installed, not only simple in structure, and be easy to installation and removal, can ensure practicality and serviceable life.
In the lifting platen assembly of above-mentioned spring fatigue test machine, described circumferential detent mechanism comprises some register pins that are arranged in tapered plugging portion, be provided with near one end of compression plate the locating slot that the register pin described in some confessions inserts one by one at lifting shaft, described register pin inserts in described locating slot one by one.This structure can further improve the physical strength of structure, ensures serviceable life.
In the lifting platen assembly of above-mentioned spring fatigue test machine, described tapered plugging portion has guidepost away from one end of compression plate, have circular arc spigot surface at guidepost away from one end of tapered plugging portion, the axial line of described compression plate axial line, tapered plugging portion axial line and guidepost overlaps and arranges.
In the lifting platen assembly of above-mentioned spring fatigue test machine, described connecting hole is blind hole.This structure can be saved material and be reduced production costs.
In the lifting platen assembly of above-mentioned spring fatigue test machine, on every coupling bolt, be arranged with respectively spring, one end of spring acts on circular orientation boss, and the other end acts on hold-down ring.This structure can further ensure the physical strength of structure.
In the lifting platen assembly of above-mentioned spring fatigue test machine, described tapered plugging portion is provided with the annular groove that is positioned at circular orientation boss two ends.This structure can ensure to be in place.
In the lifting platen assembly of above-mentioned spring fatigue test machine, between described lifter slide and lifting shaft, be provided with some reinforcements triangular in shape.This structure can further ensure the physical strength of structure.
Compared with prior art, the advantage of the lifting platen assembly of this spring fatigue test machine is: 1, design is more reasonable, simple in structure and can ensure right alignment, and is easy to installation and removal, can ensure practicality and serviceable life; 2, connective stability is good and physical strength is high; 3, low cost of manufacture.
Brief description of the drawings
Fig. 1 be the utility model provide be installed to the structural representation on gantry stand.
Fig. 2 is the blast structural representation that the utility model provides.
In figure, gantry stand 1, lifter slide 2, reinforcement 2a, lifting driver 3, lifting shaft 4, connecting hole 41, internal taper hole 42, locating slot 43, compression plate 5, tapered plugging portion 6, register pin 6a, guidepost 6b, circular arc spigot surface a, circular orientation boss 61, the second connecting hole 61a, annular groove 62, hold-down ring 7, the first connecting hole 71, locating ring 8, the breach 81 of stepping down, coupling bolt 9, spring 9a, nut 91.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
As shown in Figure 1-2, the lifting platen assembly of this spring fatigue test machine is arranged on gantry stand 1, this lifting platen assembly comprises that lifter slide 2 and lifter slide 2 that two ends are separately positioned on gantry stand 1 slide and are connected with gantry stand 1, both sides at gantry stand 1 are provided with chute, the two ends of lifter slide 2 are provided with and can insert in respectively the slide block in chute, slide block cooperatively interacts and slides with chute and is connected, and is installed with the limit body 11 being positioned at above lifter slide 2 at gantry stand 1;
Above gantry stand 1, be provided with and can drive lifter slide 2 to be connected at the lifting driver 3 of vertical direction lifting, lifting driver 3 comprises any one at least one cylinder and oil cylinder, on lifter slide 2, be provided with lifting shaft 4 and the compression plate 5 that is arranged on lifting shaft 4 lower ends, between this lifter slide 2 and lifting shaft 4, be provided with some reinforcement 2a triangular in shape, be provided with tapered plugging portion 6 in compression plate 5 axial centre, the stub end of tapered plugging portion 6 and compression plate 5 are connected and are provided with circular orientation boss 61 in tapered plugging portion 6 near one end of compression plate 5, be provided with connecting hole 41 in the axial centre of lifting shaft 4, this connecting hole 41 is blind hole, aperture, lower end place at connecting hole 41 is provided with internal taper hole 42, described tapered plugging portion 6 inserts in internal taper hole 42 and the male cone (strobilus masculinus) of tapered plugging portion 6 and the inner conical surface of internal taper hole 42 match, be provided with hold-down ring 7 at lifting shaft 4 near one end sidepiece of compression plate 5, on the inner hole wall of hold-down ring 7, be provided with female spline, on lifting shaft 4, be provided with the male splines being meshed with female spline, on lifting shaft 4, be also provided with the locating ring 8 that is positioned at below hold-down ring 7 and is connected with lifting shaft 4, described hold-down ring 7 is provided with the first connecting hole 71 that some even circumferentials distribute, be provided with the first some and described connecting hole 71 breach 81 of stepping down one to one at the sidepiece of locating ring 8, on circular orientation boss 61, be provided with the first some and described connecting hole 71 the second connecting hole 61a one to one, on hold-down ring 7, be provided with some coupling bolts 9 that are located in the first connecting hole 71, the thread end of coupling bolt 9 passes steps down breach 81 and the second connecting hole 61a and is provided with nut 91 in its end, described nut 91 upper surfaces abut in the lower surface of circular orientation boss, between described lifting shaft 4 and tapered plugging portion 6, be provided with the circumferential detent mechanism for preventing that this lifting shaft 4 and compression plate 5 from circumferentially rotating,
In order to improve the physical strength of connection, the circumferential detent mechanism of the present embodiment comprises some register pin 6a that are arranged in tapered plugging portion 6, be provided with near one end of compression plate 5 locating slot 43 that the register pin 6a described in some confessions inserts one by one at lifting shaft 4, described register pin 6a inserts in described locating slot 43 one by one.
Prioritization scheme, for the ease of assembling, tapered plugging portion 6 at the present embodiment has guidepost 6b away from one end of compression plate 5, have circular arc spigot surface a at guidepost 6b away from one end of tapered plugging portion 6, the axial line of described compression plate 5 axial lines, tapered plugging portion 6 axial lines and guidepost 6b overlaps and arranges.
Prioritization scheme is arranged with respectively spring 9a on every coupling bolt 9, and one end of spring 9a acts on circular orientation boss 61, and the other end acts on hold-down ring 7.Secondly, in tapered plugging portion 6, be provided with the annular groove 62 that is positioned at circular orientation boss 61 two ends; Can ensure to be like this in place.
In the present embodiment, in the time that needs are assembled, the female spline and the upper outside spline fitted of lifting shaft that first make the inner hole wall of hold-down ring, the tapered plugging portion being located on compression plate inserts in the internal taper hole in connecting hole aperture, and the male cone (strobilus masculinus) of tapered plugging portion and the inner conical surface of internal taper hole are matched; Then further ensure physical strength by the effect of coupling bolt and spring.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used the terms such as gantry stand 1, lifter slide 2, reinforcement 2a, lifting driver 3, lifting shaft 4, connecting hole 41, internal taper hole 42, locating slot 43, compression plate 5, tapered plugging portion 6, register pin 6a, guidepost 6b, circular arc spigot surface a, circular orientation boss 61, the second connecting hole 61a, annular groove 62, hold-down ring 7, the first connecting hole 71, locating ring 8, the breach 81 of stepping down, coupling bolt 9, spring 9a, nut 91 herein, do not got rid of the possibility that uses other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (7)
1. the lifting platen assembly of a spring fatigue test machine, be arranged on gantry stand (1), it is characterized in that, this lifting platen assembly comprises that lifter slide (2) and lifter slide (2) that two ends are separately positioned on gantry stand (1) slide and are connected with gantry stand (1), be provided with and can drive lifter slide (2) to be connected at the lifting driver (3) of vertical direction lifting in gantry stand (1) top, on lifter slide (2), be provided with lifting shaft (4) and be arranged on the compression plate (5) of lifting shaft (4) lower end, be provided with tapered plugging portion (6) in compression plate (5) axial centre, the stub end of tapered plugging portion (6) and compression plate (5) are connected and are provided with circular orientation boss (61) in tapered plugging portion (6) near one end of compression plate (5), be provided with connecting hole (41) in the axial centre of lifting shaft (4), aperture, lower end place at connecting hole (41) is provided with internal taper hole (42), described tapered plugging portion (6) inserts in internal taper hole (42) and the male cone (strobilus masculinus) of tapered plugging portion (6) and the inner conical surface of internal taper hole (42) match, be provided with hold-down ring (7) at lifting shaft (4) near one end sidepiece of compression plate (5), on the inner hole wall of hold-down ring (7), be provided with female spline, on lifting shaft (4), be provided with the male splines being meshed with female spline, on lifting shaft (4), be also provided with the locating ring (8) that is positioned at hold-down ring (7) below and is connected with lifting shaft (4), described hold-down ring (7) is provided with the first connecting hole (71) that some even circumferentials distribute, be provided with some and described the first connecting hole (71) breach (81) of stepping down one to one at the sidepiece of locating ring (8), on circular orientation boss (61), be provided with some and described the first connecting hole (71) the second connecting hole (61a) one to one, on hold-down ring (7), be provided with some coupling bolts (9) that are located in the first connecting hole (71), the thread end of coupling bolt (9) passes steps down breach (81) and the second connecting hole (61a) and is provided with nut (91) in its end, described nut (91) upper surface abuts in the lower surface of circular orientation boss, between described lifting shaft (4) and tapered plugging portion (6), be provided with the circumferential detent mechanism for preventing that this lifting shaft (4) and compression plate (5) from circumferentially rotating.
2. the lifting platen assembly of spring fatigue test machine according to claim 1, it is characterized in that, described circumferential detent mechanism comprises some register pins (6a) that are arranged in tapered plugging portion (6), be provided with near one end of compression plate (5) locating slot (43) that the register pin (6a) described in some confessions inserts one by one at lifting shaft (4), in the locating slot (43) described in described register pin (6a) inserts in one by one.
3. the lifting platen assembly of spring fatigue test machine according to claim 1 and 2, it is characterized in that, described tapered plugging portion (6) has guidepost (6b) away from one end of compression plate (5), have circular arc spigot surface (a) at guidepost (6b) away from one end of tapered plugging portion (6), the axial line of described compression plate (5) axial line, tapered plugging portion (6) axial line and guidepost (6b) overlaps and arranges.
4. the lifting platen assembly of spring fatigue test machine according to claim 1 and 2, is characterized in that, described connecting hole (41) is blind hole.
5. the lifting platen assembly of spring fatigue test machine according to claim 1 and 2, it is characterized in that, on every coupling bolt (9), be arranged with respectively spring (9a), it is upper that one end of spring (9a) acts on circular orientation boss (61), and the other end acts on hold-down ring (7).
6. the lifting platen assembly of spring fatigue test machine according to claim 5, is characterized in that, described tapered plugging portion (6) is provided with the annular groove (62) that is positioned at circular orientation boss (61) two ends.
7. the lifting platen assembly of spring fatigue test machine according to claim 1 and 2, is characterized in that, between described lifter slide (2) and lifting shaft (4), is provided with some reinforcements triangular in shape (2a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420258472.2U CN203949777U (en) | 2014-05-20 | 2014-05-20 | The lifting platen assembly of spring fatigue test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420258472.2U CN203949777U (en) | 2014-05-20 | 2014-05-20 | The lifting platen assembly of spring fatigue test machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203949777U true CN203949777U (en) | 2014-11-19 |
Family
ID=51891807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420258472.2U Expired - Fee Related CN203949777U (en) | 2014-05-20 | 2014-05-20 | The lifting platen assembly of spring fatigue test machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203949777U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607299A (en) * | 2016-07-11 | 2018-01-19 | 济南时代试金试验机有限公司 | Spring pressure experiment machine mandrel positioning loading device |
| CN117074197A (en) * | 2023-08-23 | 2023-11-17 | 上海有色金属工业技术监测中心有限公司 | Static fatigue testing device and method for material for aero-engine blade |
-
2014
- 2014-05-20 CN CN201420258472.2U patent/CN203949777U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607299A (en) * | 2016-07-11 | 2018-01-19 | 济南时代试金试验机有限公司 | Spring pressure experiment machine mandrel positioning loading device |
| CN107607299B (en) * | 2016-07-11 | 2019-05-07 | 济南时代试金试验机有限公司 | Spring pressure tests machine mandrel and positions loading device |
| CN117074197A (en) * | 2023-08-23 | 2023-11-17 | 上海有色金属工业技术监测中心有限公司 | Static fatigue testing device and method for material for aero-engine blade |
| CN117074197B (en) * | 2023-08-23 | 2024-04-12 | 上海有色金属工业技术监测中心有限公司 | Static fatigue testing device and method for material for aero-engine blade |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20150520 |
|
| EXPY | Termination of patent right or utility model |