CN211291705U - Rail weighbridge bearing structure for realizing high-speed metering - Google Patents
Rail weighbridge bearing structure for realizing high-speed metering Download PDFInfo
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- CN211291705U CN211291705U CN201922426377.4U CN201922426377U CN211291705U CN 211291705 U CN211291705 U CN 211291705U CN 201922426377 U CN201922426377 U CN 201922426377U CN 211291705 U CN211291705 U CN 211291705U
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Abstract
The utility model provides a railroad track scale bearing structure for realizing high-speed measurement has laid the main frame base under parallel rail, and on the main frame base was fixed in the installation basis, corresponding to every rail interval arrangement a plurality of steel tie plates on the main frame base, a plurality of steel tie plates were arranged along horizontal interval to with rail downside butt, the both ends of steel tie plate respectively through a pressure weighing sensor with main frame base butt. The utility model discloses the pressure weighing sensor of sufficient quantity of direct mount in rail below has left out the complicated link in the weight transmission, has improved the stability of weighing, has reduced the weight interference that rolling stock vibration brought simultaneously, has improved and has detected the accuracy.
Description
Technical Field
The utility model relates to a railway freight car transportation safety is overloaded, unbalance loading detects and weighing and metering equipment, in particular to a rail weighbridge bearing structure for realizing high-speed measurement.
Background
With the increase of the railway transportation volume and the speed increase of the railway, higher and stricter requirements are put on the monitoring of the railway transportation safety.
In the railway transportation safety guarantee, the automatic track weigher plays a role in lifting weight, and dynamically and continuously carries out accurate weighing detection on each section of freight car under the condition that the freight car does not stop and runs at a high speed, and calculates the overload and unbalance loading information of the freight car, thereby providing reliable safety guarantee for railway transportation.
The plummer is the important component part of automatic track scale, installs on concrete line railway roadbed basis, as weighing sensor installation fixed platform, will bear and accurate transmission vehicle weight, guarantees that the vehicle steadily passes through under high-speed running state, plays decisive effect to safe transportation and weighing measurement degree of accuracy.
At present general rail weighbridge plummer, as shown in fig. 1, for connecting assembled overall structure, install in specific concrete foundation ditch on the circuit, laid rail 91, weighing beam 92, horizontal stop device 93, vertical stop device 94 and installation basis 95 from top to bottom, wherein:
the weighing beams 92 are simple-support beam type steel structure boxes, two steel rails 91 are laid on the two weighing beams 92, weighing sensors 96 are supported at four corners of the weighing beams 92, and the lower ends of the weighing sensors are fixed on a mounting foundation; when in use, the weight of the truck is sequentially transmitted to the weighing sensor 96 through the steel rail 91 and the weighing beam 92;
a plurality of sets of transverse limiting devices 93 and longitudinal limiting devices 94 are longitudinally and transversely arranged between the weighing beam 92 and the mounting foundation 95, so that the mounting position of the weighing beam 92 and the state of the truck in the passing process are stable, and the weighing beam 92 is prevented from displacing or overturning and inclining when the truck passes.
The prior rail weighbridge bearing platform has the following defects:
firstly, existing bearing structure is complicated, and the weight transmission link is many, and the roof beam of weighing relies on many sets of stop device stable state, and when train speed was lower, still can satisfy weighing and metering degree of accuracy requirement and bearing structure's stability, but when the freight train passed through with higher speed, can't reach weighing and metering degree of accuracy and operation safety's requirement far away, consequently can only use the transportation circuit below 35 kilometers/hour.
Secondly, under the condition that the train speed is higher than 35 km/h, the time for passing through the weighing interval is too short (the weighing interval is between 3.6m and 4.2m generally), and the acquired weight data can not meet the national standard requirement of rail weighbridge measurement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the prior railroad track scale bearing platform can not accurately measure and weigh and is difficult to ensure the safe running of the wagon under the high-speed (greater than 35 kilometers per hour) running state of the wagon.
In order to achieve the above object, the utility model adopts the following technical scheme:
a rail weighbridge bearing structure for realizing high-speed metering is characterized in that: lay main frame base under parallel rail, on main frame base was fixed in the installation basis, on main frame base corresponding to every rail interval arrangement a plurality of steel tie plates, a plurality of steel tie plates along horizontal interval arrangement to with rail downside butt, the both ends of steel tie plate respectively through a pressure weighing sensor with main frame base butt.
The rail weighbridge bearing structure for realizing high-speed metering is characterized in that: the center of the upper surface of each steel base plate is provided with a rail bearing groove for embedding a rail, two lateral sides of the rail on each steel base plate are respectively fixed with a rail pressing plate through a pressing bolt, and the rail pressing plates press the lateral upper surface of the rail to fix the lateral position of the rail.
The rail weighbridge bearing structure for realizing high-speed metering is characterized in that: and rail bottom insulating parts are arranged between the bottom surface and the two side surfaces of the rail and the rail bearing groove, and pressing plate insulating parts are arranged between the two side upper surfaces of the rail and the rail pressing plate.
The rail weighbridge bearing structure for realizing high-speed metering is characterized in that: the main frame base is formed by splicing at least two base units along the longitudinal direction.
The rail weighbridge bearing structure for realizing high-speed metering is characterized in that: sensor reserved positions are formed on the steel base plates at the two longitudinal ends of the main frame base.
The rail weighbridge bearing structure for realizing high-speed metering is characterized in that: the sensor fixing bolts are arranged at two ends of the steel base plate on the main frame base and used for fixing the pressure weighing sensor, the front end shield for shielding the sensor fixing bolts is arranged on the main frame base, the rear end shield for shielding the front end shield is further arranged on the main frame base, and the front end shield and the rear end shield are fixed on the main frame base through connecting bolts.
The rail weighbridge bearing structure for realizing high-speed metering is characterized in that: the horizontal both sides of main frame base are fixed with a support corresponding to each steel backing plate, and two pressure weighing sensor butt of support upper end and steel backing plate rely on heightening levelling device to be fixed in the installation basis at the support lower extreme.
The rail weighbridge bearing structure for realizing high-speed metering, wherein the height-adjusting and leveling device comprises: the base buried plate buried in the installation foundation, the heightening base fixedly connected with the base buried plate, the locking nut fixed on the heightening base and the heightening bolt with the lower end in threaded connection with the locking nut are buried in the installation foundation, and the upper end of the heightening bolt is abutted to the lower end of the support.
The rail weighbridge bearing structure for realizing high-speed metering is characterized in that: the main frame base is of a reinforced concrete structure, wherein longitudinal and transverse steel bars are welded with the steel bars of the installation foundation.
The rail weighbridge bearing structure for realizing high-speed metering is characterized in that: transition frame bases are respectively arranged at two ends of the main frame base extending along the longitudinal direction, and the height of the main frame base and the height of the transition frame bases are leveled;
the transition frame base is also connected with the rails through steel base plates, and the steel base plates of the transition frame base are not provided with pressure weighing sensors.
Compared with the prior art, the utility model discloses the beneficial effect who has is: the utility model discloses the pressure weighing sensor of sufficient quantity of direct mount in rail below has left out the complicated link in the weight transmission, has improved the stability of weighing, has reduced the weight interference that rolling stock vibration brought simultaneously, has improved and has detected the accuracy.
Drawings
FIG. 1 is a schematic view of a mounting structure of a conventional railroad track scale bearing platform;
fig. 2A is a schematic plan view of a bearing platform of a railroad track scale provided by the present invention;
FIG. 2B is an enlarged schematic view of the circled position in FIG. 2A;
fig. 3 is a schematic longitudinal sectional view of the bearing platform of the railroad track scale provided by the present invention;
FIG. 4 is a schematic diagram of a reserve pressure load cell location;
FIGS. 5A and 5B are a horizontal view and a top view of the shield structure, respectively;
fig. 6 is a schematic view of the height and leveling device.
Description of reference numerals: a main frame base 1; a base unit 11; a sensor reservation location 12; a bracket 13; a base buried plate 14; heightening the base 15; a lock nut 16; a height-adjusting bolt 17; a steel backing plate 2; a rail receiving groove 21; a rail clip 22; rail foot insulator 23; platen insulation 24; a sensor fixing bolt 25; a front end shield 26; a rear end shield 27; a connecting bolt 28; a pressure weighing sensor 3; a transition frame base 4; a rail 5; a rail 91; a weighing beam 92; a lateral stop 93; a longitudinal stop 94; an installation base 95; and a load cell 96.
Detailed Description
Some specific embodiments of the invention will be described in detail below, by way of example and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale.
As shown in fig. 2A, fig. 2B, and fig. 3, the utility model provides a railroad track scale bearing structure for realizing high-speed measurement, is laid main frame base 1 along rail 5 length direction (longitudinal) under parallel rail 5, on main frame base 1 corresponding to each rail 5 interval arrangement a plurality of steel tie plates 2, steel tie plates 2 are arranged perpendicular to rail 5 length direction (transverse) and butt against rail 5 downside, each steel tie plate 2 both ends respectively through a pressure weighing sensor 3 with main frame base 1 butt; by the arrangement, enough point position data can be obtained under each rail 5 by increasing the number of the pressure weighing sensors 3, and the requirement of the national standard of rail 5 weighing can be still met under the high-speed (more than 35 km/h) running state of a railway wagon;
specifically, as shown in fig. 3, each pad 2 has a rail receiving groove 21 at the center of the upper surface thereof for receiving the rail 5, a rail 5 pressing plate 22 is fixed to each pad 2 at both lateral sides of the rail 5 by a pressing bolt, and the rail 5 pressing plate 22 presses the upper surface of the rail 5 to fix the lateral position of the rail 5; the lower surface of the steel backing plate 2 is also welded with the main frame base 1 to keep the position fixed;
wherein, there are rail foot insulating parts 23 between said rail bearing slot 21 and bottom surface and both sides of the rail 5, there are platen insulating parts 24 between the platen 22 of the rail 5 and both sides of the rail 5, in order to guarantee the rail 5 circuit is not influenced;
as shown in fig. 4, the main frame base 1 is formed by splicing two base units 11 along the longitudinal direction, and the size of the single base unit 11 can be reduced for manufacturing and transportation; in addition, main frame base 1 is located the steel backing plate 2 of vertical both ends position, can do not install pressure weighing sensor 3 temporarily, and forms sensor reservation position 12, when the speed of passing through of line freight train improves again, can increase sensor installation quantity in the time, prolongs effective data acquisition area length, guarantees the accuracy of weighing.
As shown in fig. 3, 5A and 5B, sensor fixing bolts 21 are provided at two ends of the steel backing plate 2 on the main frame base 1 for fixing the pressure weighing sensor 3, a front end shield 26 for shielding the sensor fixing bolts 25 is provided on the main frame base 1, and a rear end shield 27 for shielding the front end shield 22 is further provided, and the front end shield 26 and the rear end shield 27 are fixed on the main frame base 1 by connecting bolts 28, so as to facilitate daily maintenance of the pressure weighing sensor 3.
As shown in fig. 6, a bracket 13 is fixed on each of the two lateral sides of the main frame base 1 corresponding to each of the steel base plates 2, the upper end of the bracket 13 abuts against the two pressure weighing sensors 3 of the steel base plates 2, and the lower end of the bracket 13 is fixed on the installation foundation by means of a height-adjusting leveling device; wherein, heighten leveling device includes: the base embedded plate 14 embedded in the installation foundation, the heightening base 15 fixedly connected with the base embedded plate 14, a locking nut 16 fixed on the heightening base 15 and an heightening bolt 17 with the lower end in threaded connection with the locking nut 16, wherein the upper end of the heightening bolt 17 is abutted against the lower end of the bracket 13; through rotatory heightening bolt 17, can adjust the tip height of frame base, finally make all pressure weighing sensor 3 be in on same horizontal plane, improve the accuracy of weighing.
After all the height-adjusting leveling devices are adjusted in place, the lower ends of the brackets 13 are connected with the base embedded plate 14 in a welding mode through steel, and displacement in subsequent construction or work can be prevented.
The main frame base 1 is preferably of a reinforced concrete structure, and a sufficient number of reinforcing steel bars (not shown) are implanted in the main frame base in the longitudinal direction and the transverse direction, and the reinforcing steel bars are welded with the reinforcing steel bars of the installation foundation, so that the stability and the shock resistance of the main frame base 1 can be improved.
As shown in fig. 2A and 2B, the utility model discloses still respectively arranged transition frame base 4 at main frame base 1 along longitudinal extension's both ends, through with main frame base 1 and 4 high leveling of transition frame base, can reduce the vibration impact that causes when the train high speed passes through, improve and measure the accuracy.
The transition frame base 4 is connected with the rail 5 through the steel base plate 2, and the pressure weighing sensor 3 is not installed, and a protective cover is not needed, so that the specific details are not repeated; in addition, the density of the steel base plate 2 on the transition frame base 4 close to the main frame base 1 is higher than that of the steel base plate 2 at other positions, so that the sufficient supporting surface rigidity of the rails 5 is guaranteed, drainage on two sides of the transition frame base 4 is facilitated, and water accumulation in a platform area is avoided.
The transition frame base 4 is of the same structure as the main frame base 1, and the height and leveling work is carried out through the same height and leveling device, and the specific details are not repeated here.
The utility model discloses can install on the circuit of high-speed operation, provide freight train overload, unbalance loading information to provide the guarantee for transportation safety. Through field test, the test data result meets the requirements of the national rail weighbridge metrological verification regulation within the speed range of 2.7-81 km/h.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A rail weighbridge bearing structure for realizing high-speed metering is characterized in that: lay main frame base under parallel rail, on main frame base was fixed in the installation basis, on main frame base corresponding to every rail interval arrangement a plurality of steel tie plates, a plurality of steel tie plates along horizontal interval arrangement to with rail downside butt, the both ends of steel tie plate respectively through a pressure weighing sensor with main frame base butt.
2. The railroad track scale bearing structure for achieving high-speed gauging according to claim 1, wherein: the center of the upper surface of each steel base plate is provided with a rail bearing groove for embedding a rail, two lateral sides of the rail on each steel base plate are respectively fixed with a rail pressing plate through a pressing bolt, and the rail pressing plates press the lateral upper surface of the rail to fix the lateral position of the rail.
3. The railroad track scale bearing structure for achieving high-speed gauging according to claim 2, wherein: and rail bottom insulating parts are arranged between the bottom surface and the two side surfaces of the rail and the rail bearing groove, and pressing plate insulating parts are arranged between the two side upper surfaces of the rail and the rail pressing plate.
4. The railroad track scale bearing structure for achieving high-speed gauging according to claim 1, wherein: the main frame base is formed by splicing at least two base units along the longitudinal direction.
5. The railroad track scale bearing structure for achieving high-speed gauging according to claim 1, wherein: sensor reserved positions are formed on the steel base plates at the two longitudinal ends of the main frame base.
6. The railroad track scale bearing structure for achieving high-speed gauging according to claim 1, wherein: the sensor fixing bolts are arranged at two ends of the steel base plate on the main frame base and used for fixing the pressure weighing sensor, the front end shield for shielding the sensor fixing bolts is arranged on the main frame base, the rear end shield for shielding the front end shield is further arranged on the main frame base, and the front end shield and the rear end shield are fixed on the main frame base through connecting bolts.
7. The railroad track scale bearing structure for achieving high-speed gauging according to claim 1, wherein: the horizontal both sides of main frame base are fixed with a support corresponding to each steel backing plate, and two pressure weighing sensor butt of support upper end and steel backing plate rely on heightening levelling device to be fixed in the installation basis at the support lower extreme.
8. The railroad track scale bearing structure for realizing high-speed metering of claim 7, wherein the height-adjusting leveling device comprises: the base buried plate buried in the installation foundation, the heightening base fixedly connected with the base buried plate, the locking nut fixed on the heightening base and the heightening bolt with the lower end in threaded connection with the locking nut are buried in the installation foundation, and the upper end of the heightening bolt is abutted to the lower end of the support.
9. The railroad track scale bearing structure for achieving high-speed gauging according to claim 1, wherein: the main frame base is of a reinforced concrete structure, wherein longitudinal and transverse steel bars are welded with the steel bars of the installation foundation.
10. The railroad track scale bearing structure for achieving high-speed gauging according to claim 1, wherein: transition frame bases are respectively arranged at two ends of the main frame base extending along the longitudinal direction, and the height of the main frame base and the height of the transition frame bases are leveled;
the transition frame base is also connected with the rails through steel base plates, and the steel base plates of the transition frame base are not provided with pressure weighing sensors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922426377.4U CN211291705U (en) | 2019-12-27 | 2019-12-27 | Rail weighbridge bearing structure for realizing high-speed metering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922426377.4U CN211291705U (en) | 2019-12-27 | 2019-12-27 | Rail weighbridge bearing structure for realizing high-speed metering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211291705U true CN211291705U (en) | 2020-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922426377.4U Active CN211291705U (en) | 2019-12-27 | 2019-12-27 | Rail weighbridge bearing structure for realizing high-speed metering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211291705U (en) |
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2019
- 2019-12-27 CN CN201922426377.4U patent/CN211291705U/en active Active
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