CN219715012U - Fastener fatigue test loading frame - Google Patents
Fastener fatigue test loading frame Download PDFInfo
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- CN219715012U CN219715012U CN202320800632.0U CN202320800632U CN219715012U CN 219715012 U CN219715012 U CN 219715012U CN 202320800632 U CN202320800632 U CN 202320800632U CN 219715012 U CN219715012 U CN 219715012U
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- fixedly connected
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- loading frame
- fatigue test
- fastener
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- 238000009661 fatigue test Methods 0.000 title claims abstract description 26
- 230000001681 protective effect Effects 0.000 claims abstract 7
- 238000009434 installation Methods 0.000 claims description 25
- 238000002474 experimental method Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a fastener fatigue test loading frame which comprises a loading frame, wherein the bottom of the loading frame is fixedly connected with a support column, the top of the loading frame is provided with a protective cover, the top of the loading frame and the bottom of the protective cover are respectively provided with a hydraulic rod, movable ends of the two hydraulic rods are respectively fixedly connected with a mounting shell, and the outer surfaces of the two mounting shells are respectively fixedly connected with a sliding plate. According to the fastener fatigue test loading frame, when a fastener is subjected to a fatigue test, the movable ends of the two hydraulic rods are started to move away from each other, so that the two clamping boxes are close to each other, the sliding plate slides on the outer surface of the guide rod, the fastener is clamped on the outer surface of the connecting column, then the hydraulic rods are started to move away from each other, a stretching test is performed, and observation is performed through the protection plate; when the rotation test needs to be carried out, the motor is started to rotate, so that the buckle can be clamped by the electric push rod for angle experiments, and the device is wider in application range and better in protection effect when the experiment is carried out.
Description
Technical Field
The utility model relates to the technical field of fastener fatigue experiments, in particular to a fastener fatigue test loading frame.
Background
Rail fasteners are important components in track construction and their primary function is to maintain a secure attachment of the rail to the under-rail foundation. In order to verify the capability of ensuring safe operation and compare the advantages and disadvantages of different fastener operation performances under the same conditions, the assembly fatigue test of the fastener is required to be carried out according to the railway industry standard.
The existing steel rail fastener can carry out fatigue experiments of materials in a period of time before use after production, and the loading frame is generally used in the experimental process, when the steel rail fastener on the loading frame carries out fatigue experiments, fragments can splash when the steel rail fastener breaks, the condition that the working personnel is injured easily occurs, and the general loading frame can only carry out one of the tests on stretching or rotating when carrying out the fatigue experiments, and other equipment is needed to carry out the tests after the tests are completed, so that the experimental work is more troublesome and the working efficiency is reduced. Therefore, a fastener fatigue test loading frame is provided to solve the above problems.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the fastener fatigue test loading frame which has the advantages that the protection effect is good during fatigue test, the tensile or rotation test can be carried out on the same loading frame, and the like, and solves the problems that the protection effect is poor, the work is easy to be injured and only one of the tests can be carried out on the steel rail fastener during the fatigue test.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fastener fatigue test loading frame, includes the loading frame, the bottom fixedly connected with pillar of loading frame, the top of loading frame is provided with the protection casing, the top of loading frame and the bottom of protection casing all are provided with the hydraulic stem, two the equal fixedly connected with installation shell of expansion end of hydraulic stem, two the equal fixedly connected with sliding plate of surface of installation shell, two the equal fixedly connected with motor in inside of installation shell, two the equal fixedly connected with clamping shell of one end of motor output shaft, two the equal fixedly connected with electric putter in inside of clamping shell, two the equal fixedly connected with splint of expansion end of electric putter, two the equal fixedly connected with movable rod in inside of clamping shell, two the equal fixedly connected with spliced pole in left side of movable rod, two the equal fixedly connected with spring in right side of spliced pole.
Further, the shape of loading frame is the cuboid frame, the shape of pillar is square post, the front of protection casing articulates there is the guard plate, the front of guard plate is provided with the observation window.
Further, the two installation shells are square shells in shape, the number of the sliding plates is four, and the sliding plates are symmetrically distributed on the outer surfaces of the two installation shells in a group of every two installation shells.
Further, guide rod holes are formed in the four sliding plates, the two guide rods are fixedly connected to the top of the loading frame, and the two guide rods are in sliding connection with the sliding plates through the guide rod holes.
Further, the inside of two the installation shells is fixedly connected with a fixed block, and the two motors are fixedly connected in the inside of the two installation shells through the fixed blocks.
Further, the shape of two the clamping shells is a round shell, the shape of two clamping plates is a square plate, and rubber anti-slip pads are arranged on the outer surfaces of the two clamping plates.
Further, two movable rod holes are formed in the clamping boxes, the two movable rods slide in the two clamping boxes through the movable rod holes, and limiting blocks are fixedly connected to the right sides of the two movable rods.
Further, anti-slip lines are formed in the left side of the connecting column, arc grooves are formed in the outer surfaces of the two connecting columns, and the right sides of the two springs are fixedly connected with the inner portion of the clamping shell.
Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:
1. according to the fastener fatigue test loading frame, when a fastener is subjected to a fatigue test, the movable ends of the two hydraulic rods are started to move away from each other, so that the two clamping boxes are close to each other, the sliding plate slides on the outer surface of the guide rod, the fastener is clamped on the outer surface of the connecting column, then the hydraulic rods are started to move away from each other, a stretching test is performed, and observation is performed through the protection plate; when the rotation test needs to be carried out, the motor is started to rotate, so that the buckle can be clamped by the electric push rod for angle experiments, and the device is wider in application range and better in protection effect when the experiment is carried out.
2. This fastener fatigue test loading frame sets up the guard plate through the top at the loading frame, has the observation window at the front of guard plate articulated for when tensile experiment, the protection casing can block the piece that produces of experiment, guarantees tester's personal safety, and the security of this device is higher. Through set up the sliding plate in the left and right sides of two installation shells for two installation shells are when moving apart from each other, and the stability of fastener experiment is stronger.
Drawings
FIG. 1 is a front cross-sectional view of the structure of the present utility model;
FIG. 2 is a front elevational view of the structure of the present utility model;
fig. 3 is a partial top view of the structure of the present utility model.
In the figure: 1 pillar, 2 loading frame, 3 protection casing, 4 guide bars, 5 hydraulic stem, 6 installation shell, 7 sliding plate, 8 motor, 9 centre gripping shells, 10 electric putter, 11 splint, 12 movable rod, 13 spliced pole, 14 spring, 15 guard plates.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one: referring to fig. 1-3, a fastener fatigue test loading frame in this embodiment includes a loading frame 2, wherein the loading frame 2 is a rectangular frame, a pillar 1 is fixedly connected to the bottom of the loading frame 2, and the pillar 1 is a square pillar.
The top of loading frame 2 is provided with protection casing 3, and the front of protection casing 3 articulates there is guard plate 15, and the front of guard plate 15 is provided with the observation window.
The top of loading frame 1 and the bottom of protection casing 3 all are provided with hydraulic stem 5, and the equal fixedly connected with installation shell 6 of the active end of two hydraulic stems 5, and the shape of two installation shells 6 is square shell, and the equal fixedly connected sliding plate 7 of surface of two installation shells 6, the quantity of sliding plate 7 is four, and just respectively with every two in a set of symmetric distribution in the surface of two installation shells 6.
Guide rod holes are formed in the four sliding plates 7, the two guide rods 4 are fixedly connected to the top of the loading frame 2, and the two guide rods 4 are in sliding connection with the sliding plates 5 through the guide rod holes.
The inside of two installation shells 6 is all fixedly connected with motor 8, and the inside of two installation shells 6 is all fixedly connected with fixed block, and two motors 8 are all through fixed block fixed connection in the inside of two installation shells 6.
One end of the output shaft of the two motors 8 is fixedly connected with a clamping shell 9, the shape of the two clamping shells 9 is a round shell, the inside of the two clamping shells 9 is fixedly connected with an electric push rod 10, the outer surfaces of the two clamping plates 10 are provided with rubber anti-slip pads, the movable ends of the two electric push rods 10 are fixedly connected with clamping plates 11, and the shape of the two clamping plates 11 is a square plate.
The inside of two centre gripping shells 9 all sliding connection has movable rod 12, and the equal fixedly connected with stopper in right side of two movable rods 12, and the movable rod hole has been seted up to the inside of two centre gripping boxes 9, and two movable rods 12 all slide in the inside of two centre gripping boxes 9 through the movable rod hole.
The left sides of two movable rods 12 are all fixedly connected with spliced pole 13, and anti-skidding line has all been seted up in the left side of spliced pole 13, and the arc wall has all been seted up to the surface of two spliced poles 13, and the equal fixedly connected with spring 14 in the right side of two spliced poles 13, the inside fixed connection of two spring 14 and clamping shell 9.
In this embodiment, through set up guard plate 15 at the top of loading frame 2, articulated in the front of guard plate 15 has the observation window for when tensile experiment, protection casing 15 can block the piece that produces of experiment, guarantees tester's personal safety, and the security of this device is higher.
In this embodiment, through setting up slide plate 7 in the left and right sides of two installation shells 6 for two installation shells 6 are when moving apart, and the stability of fastener experiment is stronger.
In this embodiment, the power supply of the electric push rod 10 is powered by a storage battery, both the storage battery and the lead are mounted on the outer surface of the clamping shell 9, and the two hydraulic rods 5 are controlled to be started by an external device.
Embodiment two: please refer to fig. 1, on the basis of the first embodiment, the connection between the connecting post 13 and the clamping shell 9 can be set to be fixedly connected according to the actual situation, and the device is set to be movably connected, so that the device can be adapted according to whether the fastener is a plate or a pull ring when the fastener is tested, and the practicability of the device is ensured to be stronger.
The working principle of the embodiment is as follows:
according to the fastener fatigue test loading frame, when a fastener is subjected to a fatigue test, the movable ends of the two hydraulic rods 5 are started to move away from each other, so that the two clamping boxes 9 are close to each other, the movable plate 7 slides on the outer surface of the guide rod 4, the fastener is clamped on the outer surface of the connecting column 13, and then the hydraulic rods 5 are started to move away from each other, so that a stretching test is performed, and observation is performed through the protection plate 15; when the rotation test is needed, the motor 6 is started to rotate, so that the buckle is clamped by the electric push rod 10, the angle test is carried out, the application range of the device is wider when the test is carried out, and the protection effect is better.
It should be noted that standard parts used in the application can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawing, the specific connection modes of the parts adopt mature bolts, rivets, welding and the like in the prior art, and the machinery, the parts and the equipment adopt the conventional models in the prior art; in addition, the circuit connection is in a conventional connection manner in the prior art, and details not described in detail in this specification belong to the prior art known to those skilled in the art.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a fastener fatigue test loading frame, includes loading frame (2), its characterized in that: the loading frame is characterized in that a support column (1) is fixedly connected to the bottom of the loading frame (2), a protective cover (3) is arranged at the top of the loading frame (2), hydraulic rods (5) are arranged at the top of the loading frame (2) and the bottom of the protective cover (3), movable ends of the hydraulic rods (5) are fixedly connected with mounting shells (6), sliding plates (7) are fixedly connected to the outer surfaces of the mounting shells (6), motors (8) are fixedly connected to the inner parts of the mounting shells (6), clamping shells (9) are fixedly connected to one ends of output shafts of the motors (8), electric pushing rods (10) are fixedly connected to the inner parts of the clamping shells (9), movable rods (12) are fixedly connected to the inner parts of the clamping shells (10), connecting columns (13) are fixedly connected to the left sides of the movable rods (12), and springs (14) are fixedly connected to the right sides of the connecting columns (13).
2. The fastener fatigue test loading rack of claim 1, wherein: the loading frame (2) is rectangular, the support column (1) is square, the front surface of the protective cover (3) is hinged with a protective plate (15), and the front surface of the protective plate (15) is provided with an observation window.
3. The fastener fatigue test loading rack of claim 1, wherein: the two installation shells (6) are square shells in shape, the number of the sliding plates (7) is four, and the sliding plates are symmetrically distributed on the outer surfaces of the two installation shells (6) in a group of every two installation shells.
4. A fastener fatigue test loading bay as defined in claim 3, wherein: the four inside of sliding plate (7) has all been seted up the guide bar hole, the top fixedly connected with of loading frame (2) is two guide bar (4) in quantity, two guide bar (4) are all through guide bar hole and sliding plate (7) sliding connection.
5. The fastener fatigue test loading rack of claim 1, wherein: the inside of two installation shells (6) is all fixedly connected with fixed block, and two motor (8) are all through fixed block fixed connection in the inside of two installation shells (6).
6. The fastener fatigue test loading rack of claim 1, wherein: the shape of the two clamping shells (9) is a round shell, the shape of the two clamping plates (11) is a square plate, and rubber anti-slip pads are arranged on the outer surfaces of the two clamping plates (11).
7. The fastener fatigue test loading rack of claim 1, wherein: the inside of two centre gripping shells (9) has seted up movable rod hole, two movable rod (12) all slide in the inside of two centre gripping shells (9) through movable rod hole, two the right side of movable rod (12) is all fixedly connected with the stopper.
8. The fastener fatigue test loading rack of claim 1, wherein: anti-slip lines are formed in the left sides of the connecting columns (13), arc grooves are formed in the outer surfaces of the connecting columns (13), and the right sides of the springs (14) are fixedly connected with the inside of the clamping shell (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320800632.0U CN219715012U (en) | 2023-04-12 | 2023-04-12 | Fastener fatigue test loading frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320800632.0U CN219715012U (en) | 2023-04-12 | 2023-04-12 | Fastener fatigue test loading frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219715012U true CN219715012U (en) | 2023-09-19 |
Family
ID=87980747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320800632.0U Active CN219715012U (en) | 2023-04-12 | 2023-04-12 | Fastener fatigue test loading frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219715012U (en) |
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2023
- 2023-04-12 CN CN202320800632.0U patent/CN219715012U/en active Active
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