CN220251633U - Core rod swinging fatigue testing machine - Google Patents
Core rod swinging fatigue testing machine Download PDFInfo
- Publication number
- CN220251633U CN220251633U CN202321693796.4U CN202321693796U CN220251633U CN 220251633 U CN220251633 U CN 220251633U CN 202321693796 U CN202321693796 U CN 202321693796U CN 220251633 U CN220251633 U CN 220251633U
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- Prior art keywords
- testing machine
- swing
- mandrel
- fatigue testing
- sliding
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- 238000009661 fatigue test Methods 0.000 title claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 59
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 239000012212 insulator Substances 0.000 abstract description 17
- 230000009471 action Effects 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The utility model discloses a mandrel swing fatigue testing machine, which comprises: the mandrel comprises a chuck, a sliding mechanism and a transmission mechanism, wherein the chuck and the sliding mechanism are arranged at intervals and are positioned above the sliding mechanism, a clamp capable of moving up and down and rotating is arranged on the sliding mechanism, the transmission mechanism is connected with the sliding mechanism, two ends of a mandrel are respectively inserted into the chuck and the clamp of the sliding mechanism, and the transmission mechanism drives the sliding mechanism to move along the horizontal direction to drive the mandrel to swing; the connecting rod drives the slider to move left and right repeatedly on the slide rail under the action force of the crank, swing fatigue test is carried out, unqualified core rods are screened out, unqualified core rods are prevented from being used on the insulator in advance, and further the creepage distance performance is prevented from being reduced when the insulator is used on a high-voltage wire.
Description
Technical Field
The utility model relates to the technical field of insulator accessory testing, in particular to a mandrel swing fatigue testing machine.
Background
The insulator is an important device in high-voltage and ultra-high-voltage transmission electric energy lines and is widely applied between a wire and a pole tower. The insulator comprises an insulator core rod, inserts arranged at two ends of the insulator and umbrella skirts coated on the outer side of the insulator, and in order to ensure the bonding durability of the interface between the composite insulator core rod and the umbrella sleeve, the performance of the core rod needs to be tested. However, the existing test mode is to complete the test by adopting a manual mode, and products detected by the mode cannot all reach the standard, so that the design of equipment for automatically testing the swinging fatigue of the core rod is urgently needed to complete the test, and the quality of the products is ensured.
In view of the foregoing, it is desirable to provide a new mandrel swing fatigue testing machine that overcomes the above-described drawbacks.
Disclosure of Invention
The utility model aims to provide a mandrel swing fatigue testing machine which can be used for testing the swing fatigue of a mandrel, screening unqualified mandrels and avoiding the unqualified mandrels from being used on insulators.
In order to achieve the above object, the present utility model provides a mandrel swing fatigue testing machine, comprising:
the chuck is arranged at intervals with the sliding mechanism and is positioned above the sliding mechanism, the sliding mechanism is provided with a clamp capable of moving up and down and rotating, the transmission mechanism is connected with the sliding mechanism,
the two ends of the core rod are respectively inserted into the chuck and the clamp of the sliding mechanism, and the transmission mechanism drives the sliding mechanism to move along the horizontal direction to drive the core rod to swing.
Preferably, the sliding mechanism comprises a sliding rail and a sliding block, wherein the sliding rail is distributed along the horizontal direction, and the sliding block is slidably mounted on the sliding rail.
Preferably, limiting blocks are arranged at two ends of the sliding rail.
Preferably, the sliding block is provided with a longitudinal guide rail, the clamp is slidably mounted on the longitudinal guide rail, and the clamp can move up and down on the sliding block through the longitudinal guide rail.
Preferably, the device further comprises a swing measuring instrument, wherein the swing measuring instrument is arranged close to the sliding rail.
Preferably, the clamp is provided with a load cell.
Preferably, the transmission mechanism comprises a crank and a connecting rod, and two ends of the connecting rod are respectively connected with the crank and the sliding block in a rotating way.
Preferably, the mandrel swing fatigue testing machine further comprises a controller, and the controller is electrically connected with the driving piece, the force transducer and the swing measuring instrument.
Preferably, the intelligent control device further comprises an operation console, wherein a touch screen is arranged on the operation console, and the touch screen is electrically connected with the controller.
Preferably, a drawer is arranged on the operation table, an external keyboard is placed in the drawer, and the external keyboard is electrically connected with the touch screen.
Compared with the prior art, the beneficial effects are that: the connecting rod drives the slider to move left and right repeatedly on the slide rail under the action force of the crank, swing fatigue test is carried out, unqualified core rods are screened out, unqualified core rods are prevented from being used on the insulator in advance, and further the creepage distance performance is prevented from being reduced when the insulator is used on a high-voltage wire.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a perspective view of a mandrel swing fatigue testing machine provided by the utility model.
FIG. 2 is a side view of the mandrel swing fatigue testing machine shown in FIG. 1.
Fig. 3 is a top view of the mandrel swing fatigue tester shown in fig. 1.
Reference numerals: 1. a chuck; 2. a sliding mechanism; 21. a clamp; 211. a load cell; 22. a slide rail; 221. a limiting block; 23. a slide block; 231. a longitudinal guide rail; 3. a transmission mechanism; 31. a crank; 32. a connecting rod; 33. a driving member; 4. a core rod; 5. a back plate; 6. swing measuring instrument; 7. a control cabinet; 8. an operation table; 81. a touch screen; 82. and a drawer.
Detailed Description
In order to make the objects, technical solutions and advantageous technical effects of the present utility model more apparent, the present utility model will be further described in detail with reference to the accompanying drawings and detailed description. It should be understood that the detailed description is intended to illustrate the utility model, and not to limit the utility model.
It is to be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
It should also be noted that unless explicitly stated or limited otherwise, terms such as "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. It will be apparent to those skilled in the art that the terms described above have the particular meaning in the present utility model, as the case may be.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. Furthermore, the meaning of "a plurality of", "a number" means two or more, unless specifically defined otherwise.
Referring to fig. 1, the present utility model provides a mandrel swing fatigue testing machine for testing fatigue of a mandrel 4 of an insulator, comprising:
chuck 1, slide mechanism 2 and drive mechanism 3, chuck 1 and slide mechanism 2 interval set up and lie in slide mechanism 2 top, slide mechanism 2 is provided with liftable and rotatory motion's anchor clamps 21, drive mechanism 3 is connected with slide mechanism 2,
the two ends of the core rod 4 are respectively inserted on the clamping chuck 1 and the clamping fixture 21 of the sliding mechanism 2, the transmission mechanism 3 drives the sliding mechanism 2 to move horizontally and horizontally repeatedly to drive the core rod 4 to swing, and then the swing fatigue test of the core rod 4 is completed.
So, drive sliding mechanism 2 through drive mechanism 3 and control the repetitive motion along the horizontal direction, consequently automatic drive plug 4 sways, observe plug 4 and can produce the crackle under the state of swaing repeatedly, accomplish and sway fatigue test, can select unqualified plug 4, avoid unqualified plug 4 to be used for on the insulator, and then avoid finally leading to the creepage distance performance decline of insulator.
In a preferred embodiment, the mandrel swing fatigue testing machine further comprises a back plate 5 with a T shape, the chuck 1 is mounted on the top end of the back plate 5, the sliding mechanism 2 is mounted near the bottom end of the back plate 5, and the transmission mechanism 3 is mounted on the back plate 5 and connected with the sliding mechanism 2. In this way, by integrating the chuck 1, the sliding mechanism 2 and the transmission mechanism 3 on the back plate 5, the occupied space of the apparatus can be saved.
In a preferred embodiment, the sliding mechanism 2 includes a sliding rail 22 and a sliding block 23, the sliding rail 22 is distributed along a horizontal direction, and the sliding block 23 is slidably mounted on the sliding rail 22. Therefore, the transmission mechanism 3 drives the sliding block 23 to stably slide on the sliding rail 22 along the horizontal direction, so that the core rod 4 is driven to vibrate without shaking when swinging, and the swinging fatigue test of the core rod 4 is ensured to be completed smoothly.
In a preferred embodiment, two ends of the sliding rail 22 are provided with limiting blocks 221, and the movement distance of the sliding block 23 can be limited by the limiting blocks 221.
In a preferred embodiment, the sliding block 23 is provided with a longitudinal guide rail 231, the fixture 21 is slidably mounted on the longitudinal guide rail 231, and the fixture 21 can move up and down on the sliding block 23 through the longitudinal guide rail 231, so that when the driving mechanism 3 drives the sliding mechanism 2 to move repeatedly leftwards and rightwards along the horizontal direction, the fixture 21 can pull the mandrel 4, and further, the rocking fatigue test of the mandrel 4 is disturbed.
In one embodiment, the fixture 21 is further rotatably connected to the slider 23 through a bearing, so that the fixture 21 can also rotate during the lifting movement on the slider 23, which is beneficial to the core rod to smoothly complete the swing fatigue test, and damage to the core rod 4 caused by the fixture 21 pulling the core rod 4 is avoided.
In a preferred embodiment, the clamp 21 is provided with a force sensor 211, and the force sensor 211 is used for detecting the acting force of the clamp 21 in the horizontal movement of the sliding mechanism 2 driven by the transmission mechanism 3.
Referring to fig. 2 to 3 together, in a preferred embodiment, the transmission mechanism 3 includes a crank 31 and a connecting rod 32, wherein the crank 31 is mounted on the back plate 5 in a penetrating manner and can rotate on the back plate 5, and two ends of the connecting rod 32 are respectively connected with the crank 31 and the sliding block 23 in a rotating manner. Therefore, when the crank 31 rotates, the connecting rod 32 drives the sliding block 23 to move left and right repeatedly on the sliding rail 22 under the acting force of the crank 31, so that the swing amplitude of the core rod 4 is always consistent, and the accuracy of the fatigue test is ensured.
In this embodiment, the sliding distance of the connecting rod 32 driving the sliding block 23 to move leftwards on the sliding rail 22 under the action of the crank 31 is 200mm, and the sliding distance of the connecting rod 32 driving the sliding block 23 to move rightwards on the sliding rail 22 under the action of the crank 31 is 400mm.
In a preferred embodiment, the transmission mechanism 3 further includes a driving member 33, where the driving member 33 is connected to the crank 31 and located on a side opposite to the slide rail 22, and the driving member 33 drives the crank 31 to move. Thus, the driving member 33 provides power to the crank 31 to drive the crank 31 to rotate. In this embodiment, the driving member 33 is a servo motor.
In a preferred embodiment, the mandrel swing fatigue testing machine further comprises a swing gauge 6, wherein the swing gauge 6 is disposed close to the sliding rail 22 and is located on the back plate 5, and the swing gauge 6 is used for detecting the swing amplitude of the mandrel 4.
In a preferred embodiment, the mandrel swing fatigue testing machine further comprises a controller (for example, a PLC controller) mounted in the control cabinet 7 and electrically connected to the driving member 33, the load cell 211 and the swing gauge 6, wherein the controller is used for controlling start and stop of the driving member 33 and receiving detection signals of the load cell 211 and the swing gauge 6.
In a preferred embodiment, the mandrel swing fatigue testing machine further comprises an operation table 8 disposed near one end of the back plate 5, a touch screen 81 is disposed on the operation table 8, the touch screen 81 is electrically connected with the controller, and an instruction can be sent to the controller through the touch screen 81. By providing the touch screen 81 on the console 8, the operator can conveniently control the speed of the driving member 33, and display the force data and swing amplitude data detected by the load cell 211.
In a preferred embodiment, the console 8 is provided with a drawer 82, an external keyboard is placed in the drawer 82, and the external keyboard is electrically connected with the touch screen 81, so that man-machine interaction is facilitated by operating the external keyboard and the touch screen 81.
When the device is used, a motor touch screen 81 is used for sending a starting instruction of a driving piece 33 to start the driving piece 33, the driving piece 33 drives a connecting rod 32 to move through a crank 31, the connecting rod 32 drives a sliding block 23 to move left and right repeatedly on a sliding rail 22 under the action force of the crank 31, at the moment, a force sensor 211 detects force data, a swing measuring instrument 6 detects the left and right swing amplitude data of a core rod 4, whether the core rod 4 can generate cracks in the state of swinging repeatedly is observed, if no cracks exist, the core rod 4 is a qualified product, if cracks exist, the core rod 4 is an unqualified product, so that swinging fatigue test is completed, the unqualified core rod 4 is screened out, the unqualified core rod 4 is prevented from being used on an insulator in advance, and the creepage distance performance is prevented from being reduced when the insulator is used on a high-voltage line.
The present utility model is not limited to the details and embodiments described herein, and thus additional advantages and modifications may readily be made by those skilled in the art, without departing from the spirit and scope of the general concepts defined in the claims and the equivalents thereof, and the utility model is not limited to the specific details, representative apparatus and examples shown and described herein.
Claims (10)
1. The utility model provides a core rod sways fatigue testing machine which characterized in that includes:
the chuck (1), the sliding mechanism (2) and the transmission mechanism (3), wherein the chuck (1) and the sliding mechanism (2) are arranged at intervals and are positioned above the sliding mechanism (2), the sliding mechanism (2) is provided with a clamp (21) capable of moving up and down and rotating, the transmission mechanism (3) is connected with the sliding mechanism (2),
the two ends of the core rod (4) are respectively inserted in the clamping chuck (1) and the clamping fixture (21) of the sliding mechanism (2), and the transmission mechanism (3) drives the sliding mechanism (2) to move along the horizontal direction to drive the core rod (4) to swing.
2. The mandrel swing fatigue testing machine according to claim 1, wherein the sliding mechanism (2) comprises a sliding rail (22) and a sliding block (23), the sliding rail (22) is distributed along the horizontal direction, and the sliding block (23) is slidably mounted on the sliding rail (22).
3. The mandrel swing fatigue testing machine according to claim 2, wherein both ends of the slide rail (22) are provided with limiting blocks (221).
4. The mandrel swing fatigue testing machine according to claim 2, wherein the slider (23) is provided with a longitudinal guide rail (231), the clamp (21) is slidably mounted on the longitudinal guide rail (231), and the clamp (21) can move up and down on the slider (23) through the longitudinal guide rail (231).
5. The mandrel swing fatigue testing machine according to claim 2, further comprising a swing gauge (6), the swing gauge (6) being disposed proximate the slide rail (22).
6. The mandrel swing fatigue testing machine according to claim 1, wherein the clamp (21) is provided with a load cell (211).
7. The mandrel swing fatigue testing machine according to claim 6, wherein the transmission mechanism (3) comprises a crank (31) and a connecting rod (32), and two ends of the connecting rod (32) are respectively and rotatably connected with the crank (31) and the sliding block (23).
8. The mandrel swing fatigue testing machine according to claim 6, further comprising a controller electrically connected to the driving member (33), the load cell (211) and the swing gauge (6).
9. The mandrel swing fatigue testing machine according to claim 1, further comprising an operation table (8), wherein a touch screen (81) is arranged on the operation table (8), and the touch screen (81) is electrically connected with the controller.
10. The mandrel swing fatigue testing machine according to claim 9, wherein a drawer (82) is arranged on the operating platform (8), an external keyboard is placed in the drawer (82), and the external keyboard is electrically connected with the touch screen (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321693796.4U CN220251633U (en) | 2023-06-30 | 2023-06-30 | Core rod swinging fatigue testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321693796.4U CN220251633U (en) | 2023-06-30 | 2023-06-30 | Core rod swinging fatigue testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220251633U true CN220251633U (en) | 2023-12-26 |
Family
ID=89229820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321693796.4U Active CN220251633U (en) | 2023-06-30 | 2023-06-30 | Core rod swinging fatigue testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220251633U (en) |
-
2023
- 2023-06-30 CN CN202321693796.4U patent/CN220251633U/en active Active
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