CN211374350U - Longitudinal tension and compression testing machine for steel rail of railway track - Google Patents
Longitudinal tension and compression testing machine for steel rail of railway track Download PDFInfo
- Publication number
- CN211374350U CN211374350U CN202020109672.7U CN202020109672U CN211374350U CN 211374350 U CN211374350 U CN 211374350U CN 202020109672 U CN202020109672 U CN 202020109672U CN 211374350 U CN211374350 U CN 211374350U
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- rail
- frame
- testing machine
- railway track
- hydraulic cylinder
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- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 230000006835 compression Effects 0.000 title claims abstract description 13
- 238000007906 compression Methods 0.000 title claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 title claims description 15
- 239000010959 steel Substances 0.000 title claims description 15
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The utility model discloses a railway track rail longitudinal tension and compression testing machine, and the technical field of railway track performance detection, a top beam plate is jointly installed on the top ends of two upright posts, a hydraulic cylinder is fixedly installed on the inner middle position of the top beam plate in a penetrating way, a pressure applying plate is installed on the hydraulic cylinder, a distance sensor is fixedly installed on the bottom end surface of the top beam plate and on the two side positions of the pressure applying plate, when the hydraulic cylinder drives the pressure applying plate to be connected with the top of a rail, the whole rail is stressed, the stress of the rail is larger along with the continuous increase of the pressure of the hydraulic cylinder, when the bottom section of the rail is deformed and bent, the rail reaches a critical bearing force value, the distance monitored by the distance sensor is changed, thereby the critical bearing force when the rail is deformed can be obtained, and the specific number of the critical bearing force is compared with the industry standard, to determine whether the rail is up to standard.
Description
Technical Field
The utility model relates to a railway track performance detects technical field, specifically is a railway track rail vertically draws pressure testing machine.
Background
Railway tracks are usually made up of two parallel rails mounted on sleepers by means of a railway fastening system, below which there are ballast or ballastless track slabs. The railway track bears various vertical, transverse and longitudinal static loads and dynamic loads, the loads are transmitted to the roadbed from the railway steel rail through the sleepers and the track bed, in order to ensure the basic service life of the railway track and test the mechanical property of the railway track, the laboratory simulation detection of the railway track is needed, the stress and the strain generated by the railway steel rail under various load conditions are analyzed and researched, therefore, the bearing capacity and the stability of the tester are determined, no equipment can carry out longitudinal mechanical property tests on parallel steel rails of a railway track in a real object, and small material test equipment cannot test a steel rail sample in a real object and adopts a test method of intercepting a standard metal material sample from a steel rail, so that experimental data cannot accurately and comprehensively reflect the mechanical property of the steel rail of the railway track, and therefore a large-scale railway track tester is needed.
SUMMERY OF THE UTILITY MODEL
The not enough to prior art, the utility model provides a railway rails rail vertically draws pressure testing machine has solved the problem that proposes in the background art.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a railway track rail vertically draws pressure testing machine, is including removing bearing base, the top end face symmetry formula fixed mounting who removes bearing base has two stands, a roof beam board is installed jointly on the top of two stands, the inside intermediate position run-through formula fixed mounting of roof beam board has the pneumatic cylinder, the flexible end of pneumatic cylinder extends to the below of roof beam board to fixed mounting has the clamp plate of executing, the bottom terminal surface of roof beam board just is located the equal fixed mounting in both sides position department of executing the clamp plate and has a distance sensor, the top end face that removes bearing base and with execute the corresponding position fixed mounting of clamp plate have a rail location base, the equal fixed mounting of adjacent terminal surface of two stands has a slide rail, two the common sliding connection in inside of slide rail has centre gripping stop gear.
Preferably, the whole set of tension and compression testing machine further comprises a control terminal in data connection with the hydraulic cylinder data communication interface.
Preferably, the rail positioning base comprises a reinforcing frame fixedly installed on the top end face of the movable bearing base, the reinforcing frame is fixedly welded inside the reinforcing frame, and a rail placing groove matched with the rail in size and shape is welded inside the reinforcing frame.
Preferably, the clamping limiting mechanism comprises a first limiting frame and a second limiting frame which are correspondingly sleeved on two sides of the rail to be tested respectively, a first expansion groove and a second expansion groove are correspondingly formed in the first limiting frame and the second limiting frame respectively, and a structure formed after the first expansion groove and the second expansion groove are spliced is matched with the rail to be tested.
Preferably, the first limit frame and the second limit frame are fixedly connected with a group of telescopic adjusting components on the end faces adjacent to the slide rail.
Preferably, the two groups of telescopic adjusting assemblies respectively comprise a first section adjusting frame and a second section adjusting frame, the second section adjusting frame is arranged inside the first section adjusting frame, the second section adjusting frame and the first section adjusting frame are respectively in adjustable fastening connection through bolt holes and adjusting bolts, and the bolt holes are provided in a plurality and are arranged at the bottom end inside the first section adjusting frame.
Advantageous effects
The utility model provides a railway rails rail vertically draws pressure test machine. Compared with the prior art, the method has the following beneficial effects:
1. the railway track steel rail longitudinal tension and compression testing machine is characterized in that two upright posts are symmetrically and fixedly mounted on the top end face of a movable bearing base, a top beam plate is mounted at the top ends of the two upright posts together, a hydraulic cylinder is fixedly mounted at the middle position inside the top beam plate in a penetrating manner, the telescopic end of the hydraulic cylinder extends to the lower part of the top beam plate, a pressure applying plate is fixedly mounted at the top end face of the bottom of the top beam plate and is positioned at two side positions of the pressure applying plate, a distance sensor is fixedly mounted at the two side positions of the bottom end face of the top beam plate, a rail positioning base is fixedly mounted at the position, corresponding to the pressure applying plate, on the top end face of the movable bearing base, the structure is adopted, in the actual testing process, a rail to be tested is placed in the rail positioning base, the extension and the shortening of the hydraulic cylinder are controlled through a control, along with the pressure of the hydraulic cylinder is continuously increased, the larger the stress of the rail is, when the bottom section of the rail deforms and bends, the rail is proved to reach the critical bearing capacity value, the distance monitored by the distance sensor changes at the moment, so that the critical bearing capacity of the rail when deforming can be obtained, and whether the rail reaches the standard or not is judged by comparing the specific number of the critical bearing capacity with the industry standard.
2. This railway rails rail vertically draws pressure testing machine, there is a slide rail through the equal fixed mounting of adjacent terminal surface at two stands, the common sliding connection in inside of two slide rails has centre gripping stop gear, can carry out the centre gripping to the top district section of rail on the one hand and fix, on the other hand, when the rail is at the atress in-process, when deformation bending takes place for its bottom, this centre gripping stop gear can be under the effect of slide rail, descend in step with whole rail, thereby increased the distance between distance sensor and the centre gripping stop gear, be convenient for distance sensor monitoring, obtain more accurate data, structure scientific and reasonable, high safety and convenience in use.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a front view of the rail positioning base of the present invention;
fig. 3 is a top view of the rail positioning base of the present invention;
fig. 4 is a top view of the clamping and limiting mechanism of the present invention;
fig. 5 is a top view of the telescopic adjusting assembly of the present invention.
In the figure: 1. a mobile bearing base; 2. a column; 3. a roof rail panel; 4. a hydraulic cylinder; 5. pressing a plate; 6. a distance sensor; 7. a rail positioning base; 71. a reinforcing frame; 72. a positioning frame; 73. a rail placement groove; 8. a slide rail; 9. a clamping and limiting mechanism; 91. a first limit frame; 92. a second limit frame; 93. a first position expanding groove; 94. a second position expanding groove; 95. a telescopic adjustment assembly; 951. a segment adjusting frame; 952. a two-section adjusting frame; 953. bolt holes; 954. adjusting the bolt; 10. and controlling the terminal.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a railway track steel rail longitudinal tension and compression testing machine comprises a movable bearing base 1, wherein two upright posts 2 are symmetrically and fixedly installed on the top end surface of the movable bearing base 1, a top beam plate 3 is installed at the top ends of the two upright posts 2 together, a hydraulic cylinder 4 is fixedly installed at the middle position inside the top beam plate 3 in a penetrating mode, the telescopic end of the hydraulic cylinder 4 extends to the position below the top beam plate 3, and fixed mounting has the board 5 of exerting pressure, the equal fixed mounting in both sides position department that the bottom terminal surface of roof beam board 3 just is located the board 5 of exerting pressure has a distance sensor 6, the top terminal surface that removes load-bearing base 1 and with the corresponding fixed mounting in position of the board 5 of exerting pressure has rail location base 7, the equal fixed mounting of adjacent terminal surface of two stands 2 has a slide rail 8, the common sliding connection in inside of two slide rails 8 has centre gripping stop gear 9, the whole set of draw pressure test machine still include with pneumatic cylinder 4 data communication interface between carry out data connection's control terminal 10.
Referring to fig. 2-3, the rail positioning base 7 includes a reinforcing frame 71 fixedly mounted on the top end surface of the movable carrying base 1, a positioning frame 72 is fixedly welded inside the reinforcing frame 71, and a rail placing groove 73 adapted to the size and shape of the rail is welded inside the positioning frame 72.
Referring to fig. 4, the clamping and limiting mechanism 9 includes a first limiting frame 91 and a second limiting frame 92 respectively sleeved on two sides of the rail to be tested, a first expansion groove 93 and a second expansion groove 94 are respectively and correspondingly formed in the first limiting frame 91 and the second limiting frame 92, a structure formed by splicing the first expansion groove 93 and the second expansion groove 94 is adapted to the rail to be tested, and a group of telescopic adjusting components 95 is fixedly connected to end surfaces of the first limiting frame 91 and the second limiting frame 92 adjacent to the sliding rail 8.
Referring to fig. 5, each of the two sets of telescopic adjusting assemblies 95 includes a section adjusting frame 951 and two section adjusting frames 952, the two section adjusting frames 952 are disposed inside the section adjusting frame 951, the two section adjusting frames 952 and the section adjusting frame 951 are respectively fastened and connected adjustably through bolt holes 953 and adjusting bolts 954, and the bolt holes 953 are disposed at the bottom end of the section adjusting frame 951.
When in use, firstly, in the process of an actual test, a rail to be tested is placed in a rail positioning base 7, the pressure applied by the hydraulic cylinder 4 can be set through the control terminal 10, the extension and the shortening of the hydraulic cylinder 4 are controlled, when the hydraulic cylinder 4 drives the pressing plate 5 to be connected with the top of the rail, the whole rail is stressed, the stress of the rail is larger along with the continuous increase of the pressure of the hydraulic cylinder 4, when the bottom section of the rail is deformed and bent, the rail is proved to reach a critical bearing force value, the distance monitored by the distance sensor 6 is changed at the moment, so that the critical bearing force when the rail is deformed can be obtained, and whether the rail reaches the standard is judged by comparing the specific number of the critical bearing force with an industry standard, in addition, the top of the rail plays a limiting role through the clamping and limiting mechanism 9, on one hand, the top section of the rail can be clamped and fixed, on the other hand, when the rail is in the stress process, and the bottom of the rail is deformed and bent, the clamping limiting mechanism 9 can descend synchronously with the whole rail under the action of the sliding rail 8, so that the distance between the distance sensor 6 and the clamping limiting mechanism 9 is increased, the distance sensor 6 can monitor conveniently, more accurate data can be obtained, the structure is scientific and reasonable, and the use is safe and convenient.
In the present embodiment, the distance sensor 6 is of a type E3F-30L, the monitoring principle is to emit a particularly short light pulse, measure the time from the emission of the light pulse to the reflection of the light pulse by the object, and calculate the distance to the object by the time interval, the control terminal 10 is a common device in the existing tension and compression testing machine, and in the above components, the structural features, the working principle and the specific circuit structure electrically connected with the outside are all the prior art, and the details are not described herein.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a railway rails rail is vertical draws pressure test machine, bears base (1) including removing, its characterized in that: two upright posts (2) are symmetrically and fixedly arranged on the top end surface of the movable bearing base (1), the top ends of the two upright posts (2) are jointly provided with a top beam plate (3), the middle position in the top beam plate (3) is fixedly provided with a hydraulic cylinder (4) in a penetrating way, the telescopic end of the hydraulic cylinder (4) extends to the lower part of the top beam plate (3), a pressure plate (5) is fixedly installed, a distance sensor (6) is fixedly installed on the bottom end face of the top beam plate (3) and positioned at the two sides of the pressure plate (5), a rail positioning base (7) is fixedly arranged on the top end surface of the movable bearing base (1) and at the position corresponding to the pressure applying plate (5), the adjacent end faces of the two stand columns (2) are fixedly provided with a slide rail (8), and the inside of the slide rail (8) is connected with a clamping and limiting mechanism (9) in a sliding mode.
2. The longitudinal tension and compression testing machine for the steel rail of the railway track is characterized in that: the whole set of tension and compression testing machine further comprises a control terminal (10) which is in data connection with the data communication interface of the hydraulic cylinder (4).
3. The longitudinal tension and compression testing machine for the steel rail of the railway track is characterized in that: the rail positioning base (7) comprises a reinforcing frame (71) fixedly mounted on the top end face of the movable bearing base (1), a positioning frame (72) is fixedly welded inside the reinforcing frame (71), and a rail placing groove (73) matched with the rail in size and shape is welded inside the positioning frame (72).
4. The longitudinal tension and compression testing machine for the steel rail of the railway track is characterized in that: the clamping and limiting mechanism (9) comprises a first limiting frame (91) and a second limiting frame (92) which are correspondingly sleeved on two sides of the rail to be tested respectively, a first expansion groove (93) and a second expansion groove (94) are correspondingly formed in the first limiting frame (91) and the second limiting frame (92) respectively, and the first expansion groove (93) and the second expansion groove (94) are spliced to form a structure which is matched with the rail to be tested.
5. The longitudinal tension and compression testing machine for the steel rail of the railway track is characterized in that: the first limiting frame (91) and the second limiting frame (92) are fixedly connected with a group of telescopic adjusting components (95) through the end faces adjacent to the sliding rail (8).
6. The longitudinal tension and compression testing machine for the steel rail of the railway track is characterized in that: two sets of flexible adjusting part (95) all include a district section and adjust frame (951) and two district sections and adjust frame (952), two district sections are adjusted frame (952) and are set up in the inside of a district section and adjust frame (951), two district sections are adjusted between frame (952) and a district section and are adjusted frame (951) and form adjustable fastening connection through bolt hole (953) and adjusting bolt (954) respectively, bolt hole (953) are provided with a plurality ofly, and set up in the inside bottom of a district section and adjust frame (951).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020109672.7U CN211374350U (en) | 2020-01-18 | 2020-01-18 | Longitudinal tension and compression testing machine for steel rail of railway track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020109672.7U CN211374350U (en) | 2020-01-18 | 2020-01-18 | Longitudinal tension and compression testing machine for steel rail of railway track |
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| Publication Number | Publication Date |
|---|---|
| CN211374350U true CN211374350U (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020109672.7U Expired - Fee Related CN211374350U (en) | 2020-01-18 | 2020-01-18 | Longitudinal tension and compression testing machine for steel rail of railway track |
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| Country | Link |
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| CN (1) | CN211374350U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115541401A (en) * | 2022-11-28 | 2022-12-30 | 中铁电气化局集团有限公司 | Rail qualification on-site verification and analysis equipment for construction |
| CN116090962A (en) * | 2023-04-10 | 2023-05-09 | 江苏亚东朗升国际物流有限公司 | Intelligent warehouse system |
-
2020
- 2020-01-18 CN CN202020109672.7U patent/CN211374350U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115541401A (en) * | 2022-11-28 | 2022-12-30 | 中铁电气化局集团有限公司 | Rail qualification on-site verification and analysis equipment for construction |
| CN116090962A (en) * | 2023-04-10 | 2023-05-09 | 江苏亚东朗升国际物流有限公司 | Intelligent warehouse system |
| CN116090962B (en) * | 2023-04-10 | 2024-01-16 | 江苏亚东朗升国际物流有限公司 | Intelligent warehouse system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200828 |
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| CF01 | Termination of patent right due to non-payment of annual fee |