CN203720028U - Fatigue resistance testing device of circumferential rolling metal tube - Google Patents
Fatigue resistance testing device of circumferential rolling metal tube Download PDFInfo
- Publication number
- CN203720028U CN203720028U CN201320863381.7U CN201320863381U CN203720028U CN 203720028 U CN203720028 U CN 203720028U CN 201320863381 U CN201320863381 U CN 201320863381U CN 203720028 U CN203720028 U CN 203720028U
- Authority
- CN
- China
- Prior art keywords
- inner ring
- metal tube
- fatigue resistance
- during rotation
- screw rod
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a fatigue resistance testing device of a circumferential rolling metal tube. The fatigue resistance testing device comprises a bracket and two clamping devices, wherein a bearing bracket is arranged between the two clamping devices; the bearing bracket comprises a fixed outer ring and a rotating inner ring; the fixed outer ring is arranged on the bracket; an adjusting bracket is fixed on the rotating inner ring; the adjusting bracket is in threaded connection with a screw rod; the axis of the screw rod is arranged in the radial direction of the rotating inner ring; the lower end of the screw rod is connected with a sleeve; an inserting pipe is inserted into the sleeve; the spring is arranged inside the sleeve; the spring is arranged between the sleeve and the inserting pipe; the sleeve and the inserting pipe are on the same axis; the lower end of the inserting pipe is connected with a rubber roller wheel; the axis of the rubber roller wheel is parallel to the connection line of the two clamping devices; and the rotating inner ring is connected with a motor; the motor is arranged on the bracket. The device is simple in structure and low in manufacturing cost, and the fatigue resistance of a metal tube specimen can be detected by repeated circular jacking on the metal tube specimen, so that a producer deeply understands the overall quality and the service life of a bicycle frame formed by the metal tube in a welding manner, and the product quality is ensured.
Description
Technical field
The utility model belongs to bicycle and manufactures servicing unit technical field, particularly relates to a kind of circumference rolling-type metal tube fatigue resistance verifying attachment.
Background technology
Bicycle is the most traditional vehicles, and it has features convenient and swift, energy-conserving and environment-protective.At present, along with improving constantly of people's quality of the life, and the continuous reinforcement of the consciousness of people's environmental protection, bicycle is more and more used in people's life, especially the functional stronger bicycle such as mountain bike and highway car, becomes one way of life culture more and more welcomed by the people especially gradually.
Cycle frame is the main part of bicycle, the quality of cycle frame determines bicycle total quality, the vehicle frame of bicycle is made up of metal tube, the fatigue strength of metal tube determines the quality of bicycle and the serviceable life of bicycle, at present, produce the professional equipment that does not carry out fatigue strength detection to forming the metal tube of cycle frame in the enterprise of bicycle, and the enterprise that produces bicycle mostly is medium and small sized enterprises, be subject to condition restriction, substantially the fatigue resistance of metal tube is not tested, the difficult quality guarantee of bicycle.
Summary of the invention
The utility model provides a kind of simple in structure, easy to manufacture, circumference rolling-type metal tube fatigue resistance verifying attachment that can ensure cycle frame product quality for solving the technical matters existing in known technology.
The technical scheme that the utility model is taked for the technical matters existing in solution known technology is: a kind of circumference rolling-type metal tube fatigue resistance verifying attachment, it is characterized in that: comprise support and rack-mount two clamp devices for difference fixing metal pipe two ends, between described two clamp devices, be provided with bearing bracket stand, described bearing bracket stand comprises fixing outer ring and is fitted in rotary temperature of inner ring during rotation on fixing outer ring, described fixing outer ring is arranged on described support, secured adjusted frame on described temperature of inner ring during rotation, on described adjusting bracket, be threaded connection screw rod, the axis of described screw rod is positioned at the radial direction of described temperature of inner ring during rotation, the lower end joint sleeve of described screw rod, in described sleeve pipe, be fitted with intubate, in described sleeve pipe, be provided with spring, described spring is located between described sleeve pipe and intubate, described sleeve pipe and described intubate coaxial cable, the lower end of described intubate connects rubber rolling, the axis of rubber rolling is parallel with the line of described two clamp devices, described temperature of inner ring during rotation connects the motor for driving temperature of inner ring during rotation to rotate, described motor is arranged on described support.
The utility model can also adopt following technical scheme:
Described clamp device comprises lower clamp and upper clamping block, and described upper clamping block is connected by securing member with lower clamp, above described lower clamp, below upper clamping block, is cambered surface.
Described motor connects by driving-belt with described temperature of inner ring during rotation.
Advantage and the good effect that the utlity model has are: because the utility model adopts as above technical scheme, design a kind of novel metal tube fatigue resistance verifying attachment, this apparatus structure is simple, low cost of manufacture, can press the fatigue resistance that detect metal tube test specimen by the top of circumference repeatedly to metal tube test specimen, thereby make the producer understand total quality and the serviceable life of being welded the cycle frame forming by metal tube in depth, ensure product quality.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that the A of Fig. 1 is to view.
In figure: 1, support; 2, metal tube; 3, clamp device; 4, fixing outer ring; 5, temperature of inner ring during rotation; 6, adjusting bracket; 7, screw rod; 8, sleeve pipe; 9, intubate; 10, spring; 11, rubber rolling; 12, motor.
Embodiment
For further understanding summary of the invention of the present utility model, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1 and Fig. 2, a kind of circumference rolling-type metal tube fatigue resistance verifying attachment, comprise support 1 and be arranged on two clamp devices 3 for difference fixing metal pipe 2 two ends on support 1, in the present embodiment, described clamp device 3 comprises lower clamp and upper clamping block, described upper clamping block is connected by securing member with lower clamp, above described lower clamp, below upper clamping block, it is cambered surface, the two ends of metal tube test specimen can be pressed between upper clamping block and lower clamp by securing member, to realize fixing to metal tube, securing member is bolt.Between described two clamp devices 3, be provided with bearing bracket stand, described bearing bracket stand comprises fixing outer ring 4 and is fitted in rotary temperature of inner ring during rotation 5 on fixing outer ring 4, described fixing outer ring 4 is arranged on described support 1, secured adjusted frame 6 on described temperature of inner ring during rotation 5, on described adjusting bracket 6, be threaded connection screw rod 7, the axis of described screw rod 7 is positioned at the radial direction of described temperature of inner ring during rotation 5, the lower end joint sleeve 8 of described screw rod 7, in described sleeve pipe 8, be fitted with intubate 9, in described sleeve pipe 8, be provided with spring 10, described spring 10 is located between described sleeve pipe 8 and intubate 9, described sleeve pipe 8 and described intubate 9 coaxial cables, the lower end of described intubate 9 connects rubber rolling 11, the axis of rubber rolling 11 is parallel with the line of described two clamp devices 3, the motor 12 that described temperature of inner ring during rotation 5 connects for driving temperature of inner ring during rotation to rotate, described motor 12 is arranged on described support 1, in the present embodiment, motor 12 connects by driving-belt with temperature of inner ring during rotation 5.
Method of work:
The test specimen of metal tube 2 utilizes clamp device 3 fixing, and the test specimen of metal tube 2 is through the temperature of inner ring during rotation 5 of bearing bracket stand, and rubber rolling 11 pushes up the test specimen of pressing metal tube 2 under the effect of spring 10.The motor 12 driven rotary inner ring 5 of working rotates, temperature of inner ring during rotation 5 make rubber rolling 11 tops press metal tubes 2 test tube outside face and rotate in a circumferential direction, realize the circumference top pressure test of the test specimen to metal tube 2 with this, to check the fatigue resistance of metal tube.
Claims (3)
1. a circumference rolling-type metal tube fatigue resistance verifying attachment, it is characterized in that: comprise support and rack-mount two clamp devices for difference fixing metal pipe two ends, between described two clamp devices, be provided with bearing bracket stand, described bearing bracket stand comprises fixing outer ring and is fitted in rotary temperature of inner ring during rotation on fixing outer ring, described fixing outer ring is arranged on described support, secured adjusted frame on described temperature of inner ring during rotation, on described adjusting bracket, be threaded connection screw rod, the axis of described screw rod is positioned at the radial direction of described temperature of inner ring during rotation, the lower end joint sleeve of described screw rod, in described sleeve pipe, be fitted with intubate, in described sleeve pipe, be provided with spring, described spring is located between described sleeve pipe and intubate, described sleeve pipe and described intubate coaxial cable, the lower end of described intubate connects rubber rolling, the axis of rubber rolling is parallel with the line of described two clamp devices, described temperature of inner ring during rotation connects the motor for driving temperature of inner ring during rotation to rotate, described motor is arranged on described support.
2. circumference rolling-type metal tube fatigue resistance verifying attachment according to claim 1, it is characterized in that: described clamp device comprises lower clamp and upper clamping block, described upper clamping block is connected by securing member with lower clamp, above described lower clamp, below upper clamping block, is cambered surface.
3. circumference rolling-type metal tube fatigue resistance verifying attachment according to claim 1, is characterized in that: described motor connects by driving-belt with described temperature of inner ring during rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320863381.7U CN203720028U (en) | 2013-12-19 | 2013-12-19 | Fatigue resistance testing device of circumferential rolling metal tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320863381.7U CN203720028U (en) | 2013-12-19 | 2013-12-19 | Fatigue resistance testing device of circumferential rolling metal tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203720028U true CN203720028U (en) | 2014-07-16 |
Family
ID=51159168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320863381.7U Expired - Fee Related CN203720028U (en) | 2013-12-19 | 2013-12-19 | Fatigue resistance testing device of circumferential rolling metal tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203720028U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111735711A (en) * | 2020-07-07 | 2020-10-02 | 上海束零电脑有限公司 | LED display screen panel and power interface's resistance to destruction detection device |
| CN113176062A (en) * | 2021-04-13 | 2021-07-27 | 青岛理工大学 | Gear impact fatigue detection device |
-
2013
- 2013-12-19 CN CN201320863381.7U patent/CN203720028U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111735711A (en) * | 2020-07-07 | 2020-10-02 | 上海束零电脑有限公司 | LED display screen panel and power interface's resistance to destruction detection device |
| CN113176062A (en) * | 2021-04-13 | 2021-07-27 | 青岛理工大学 | Gear impact fatigue detection device |
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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: 20140716 Termination date: 20151219 |
|
| EXPY | Termination of patent right or utility model |