CN109115320B - Attached rail waist type weighing module - Google Patents
Attached rail waist type weighing module Download PDFInfo
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- CN109115320B CN109115320B CN201811183897.0A CN201811183897A CN109115320B CN 109115320 B CN109115320 B CN 109115320B CN 201811183897 A CN201811183897 A CN 201811183897A CN 109115320 B CN109115320 B CN 109115320B
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- clamp
- weighing sensor
- weighing
- rail
- sensor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/02—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles
- G01G19/04—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles for weighing railway vehicles
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention discloses an attached rail web type weighing module, which comprises a weighing sensor arranged on a rail, wherein a signal output line is connected to the weighing sensor, the weighing sensor is symmetrically embedded into rail webs at two sides of the rail, the back surface of the weighing sensor is closely attached to the surface of the rail web, and a strain area sealed by laser welding is arranged on the weighing sensor; the weighing sensor is externally provided with a clamp which is installed from bottom to top, a top clamp is arranged between the clamp and the weighing sensor, the inner side of the top clamp is propped against the weighing sensor, the upper level of the clamp is provided with a locking screw, and the inner end of the locking screw extends into the clamp and is propped against the outer side of the top clamp. The advantages are that: the rail waist is hugged closely to its weighing sensor simple structure to apply the power of horizontal direction on weighing sensor through the cooperation of anchor clamps and top anchor clamps, firmly be fixed in on the track with weighing sensor, need not to reform transform track and foundation during the installation, the installation is very convenient.
Description
Technical Field
The invention relates to the technical field of weighing equipment, in particular to an attached rail web type weighing module.
Background
In modern industrial metering, rail balance metering is an important technical basic work. The rail transportation in the industrial enterprises has the advantages of busy production, less chance of shutdown transformation and short time, and is difficult to install the existing rail balance on the basis of civil engineering on the original rail; in addition, in the installation process of the existing railway scale, railway sleepers are required to be paved, civil engineering is performed, the installation is troublesome, the installation period is long, and the normal operation of production work can be influenced to a certain extent.
How to conveniently and rapidly apply the weighing sensor to the on-line railway transportation rail for installation and use and how to ensure that the weighing sensor installed on the on-line railway rail runs at high speed is stable and reliable for a long time is the subject that we have to intensively study and solve. People always seek to solve the steel rail testing stress technology, and once a U.S. research sensor expert always seeks to realize the steel rail stress test by directly sticking a strain gauge on the rail web of the steel rail, the limitation of various condition factors such as sealing and the like is unsuccessful; for many years, designing a fully sealed strain gauge-like weighing sensor has been the goal of our pursuing design research.
In addition, the railway transportation line is an important link of national cargo transportation, the past vehicles are relatively dense, the large-scale transformation of the transportation line into the installation of the weighing electronic scale is not needed, and the transportation line is generally only scheduled for maintenance and adjustment within 2-3 hours.
Disclosure of Invention
Aiming at the current state of the art, the invention provides the attached rail web type weighing module which has the advantages of simple structure, convenient and quick installation and long service life.
The technical scheme adopted for solving the technical problems is as follows:
the rail web-attached weighing module comprises a weighing sensor arranged on a rail, wherein a signal output line is connected to the weighing sensor, the weighing sensor is symmetrically embedded into rail webs at two sides of the rail, the back surface of the weighing sensor is closely attached to the surface of the rail web, and a strain area sealed by laser welding is arranged on the weighing sensor; the weighing sensor is externally provided with a clamp which is installed from bottom to top, a top clamp is arranged between the clamp and the weighing sensor, the inner side of the top clamp is propped against the weighing sensor, the upper level of the clamp is provided with a locking screw, and the inner end of the locking screw extends into the clamp and is propped against the outer side of the top clamp.
The optimized technical measures also comprise:
the weighing sensor comprises a sensor main body, a strain area is arranged in the middle of the sensor main body, signal connecting portions are formed on two sides of the sensor main body, signal output lines are connected with the signal connecting portions, embedding portions are respectively arranged at the upper end and the lower end of the signal connecting portions, and deformation portions are arranged between the embedding portions and the signal connecting portions.
The separation groove is arranged between the embedded part and the signal connection part, and the inner end of the separation groove is provided with a circular section groove, so that the deformation part is formed at the joint of the embedded part and the signal connection part.
And a U-shaped groove is formed between the signal connecting parts at the two sides.
The section of the clamp is of a -shaped structure.
The outer side of the top clamp is provided with a limiting lug, and the clamp is provided with a limiting groove matched with the limiting lug.
The upper end and the lower end of the inner side of the top clamp are convexly provided with pressing blocks.
Grooves are formed between the pressing blocks.
And after the signal output line is connected with the signal connecting part, sealing is performed by adopting laser welding.
The fixture is provided with a protective outer cover, and the protective outer cover is provided with a lead seal.
The attached rail web type weighing module is simple in structure, the weighing sensor is clung to the rail web of the rail, and horizontal force is applied to the weighing sensor through the cooperation of the clamp and the top clamp, so that the weighing sensor is firmly fixed on the rail, and the attached rail web type weighing module is convenient to install without modifying the rail and foundation; in addition, the strain area in the weighing sensor is sealed by laser welding, so that the measurement accuracy and the service life can be ensured.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a cross-sectional block diagram of the present invention;
FIG. 3 is a schematic view of the load cell of FIG. 1;
FIG. 4 is a left side view of FIG. 3;
fig. 5 is a schematic view of the structure of the present invention after the protective housing is installed.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
The present invention is schematically illustrated in figures 1 to 5,
wherein the reference numerals are as follows: the weighing sensor 1, the strain area 1a, the sensor main body 11, the signal connection part 12, the jogged part 13, the deformation part 14, the separation groove 15, the circular section groove 16, the U-shaped groove 17, the signal output line 2, the clamp 3, the limit groove 3a, the locking screw 31, the top clamp 4, the limit bump 41, the press block 42, the groove 42a, the protection housing 5 and the lead seal 51.
As shown in figures 1 to 5 of the drawings,
the utility model provides an attached rail web type weighing module, includes weighing sensor 1 that sets up on the track, is connected with signal output line 2 on weighing sensor 1, weighing sensor 1 symmetry gomphosis is in the both sides rail web of track, and the back and the rail web surface of weighing sensor 1 are hugged closely mutually, is provided with the strain area 1a that adopts laser welding seal on the weighing sensor 1; the weighing sensor 1 is provided with outward from down clamp 3 that up installs, clamp 3 with be provided with top clamp 4 between the weighing sensor 1, the inboard of top clamp 4 offsets with weighing sensor 1, and the upper level of clamp 3 is provided with locking screw 31, and locking screw 31's inner stretches into in the clamp 3 to offset with the outside of top clamp 4.
In the embodiment, the weighing sensor 1 includes a sensor main body 11, a strain area 1a is disposed in the middle of the sensor main body 11, signal connection portions 12 are formed on two sides of the sensor main body 11, the signal output line 2 is connected with the signal connection portions 12, fitting portions 13 are respectively disposed at upper and lower ends of the signal connection portions 12, and a deformation portion 14 is disposed between the fitting portions 13 and the signal connection portions 12.
In the embodiment, a separation groove 15 is formed between the fitting portion 13 and the signal connection portion 12, and a circular cross section groove 16 is formed at the inner end of the separation groove 15, so that a deformation portion 14 is formed at the connection portion between the fitting portion 13 and the signal connection portion 12.
In the embodiment, a U-shaped groove 17 is formed between the signal connection parts 12 on both sides. The arrangement of the U-shaped groove 17 reduces the axial length of the deformation part 14, so that the deformation part 14 is easier to deform and convenient to install.
In the embodiment, the section of the clamp 3 is in a shape.
In the embodiment, a limit bump 41 is disposed on the outer side of the top clamp 4, and a limit groove 3a adapted to the limit bump 41 is disposed on the clamp 3.
In the embodiment, the pressing blocks 42 are protruded at the upper and lower ends of the inner side of the top clamp 4.
In an embodiment, grooves 42a are provided between the press blocks 42.
In the embodiment, after the signal output line 2 is connected to the signal connection portion 12, a laser welding seal is adopted.
In the embodiment, a protective outer cover 5 is arranged outside the clamp 3, and a lead seal 51 is arranged on the protective outer cover 5. The arrangement of the protective housing 5 can provide protection for the weighing sensor 1 and the signal line inside, so as to improve the service life thereof.
The attached rail web type weighing module comprises a weighing sensor 1 arranged on a rail, wherein a strain area 1a sealed by laser welding is arranged in the middle of the weighing sensor 1, and after signal connecting parts 12 on two sides are connected with a signal output line 2, the weighing sensor is also sealed by laser welding, so that the tightness of the connecting part can be ensured; through the arrangement of the strain gauge in the strain area 1a and the connection arrangement of the signal output line 2, the weighing sensor 1 can be designed into various signal outputs, so that the weighing module can output a shear signal and a gravity signal simultaneously.
The weighing sensor 1 adopts a butterfly spring self-locking structure, the upper end and the lower end of the signal connection part 12 at two sides are respectively provided with a jogged part 13, a deformation part 14 is arranged between the jogged part 13 and the signal connection part 12, the weighing sensor 1 can be self-locked and jogged in the rail web of the rail by utilizing the deformation of the deformation part 14, and after jogged, the back surface of the weighing sensor 1 is clung to the surface of the rail web.
In order to ensure the reliability of the installation of the load cell 1, the load cell 1 is provided with a clamp 3 and a top clamp 4. A group of weighing sensors 1 (the weighing sensors 1 in the rail web at the two sides of the same position of the rail are a group) are provided with 2 clamps 3 and 4 top clamps 4; the pressing block 42 of the top clamp 4 presses the signal connection part 12 of the weighing sensor 1, the clamp 3 is installed from bottom to top, the limit bump 41 of the top clamp 4 is embedded into the limit groove 3a of the clamp 3, the locking screw 31 is screwed down, and a horizontal force is applied to the weighing sensor 1 through screwing of the locking screw 31, so that the weighing sensor 1 is firmly fixed. After the installation is completed, the outer clamp 3 is externally covered with a protective outer cover 5, and the lead seal 51 is locked.
The attached rail web type weighing module is simple in structure, convenient and quick to install; the installation process does not need to reform the track and foundation, and on the railway with dense vehicles in the past, the installation of the whole equipment can be completed only by dispatching for a short time.
The preferred embodiments of this invention have been described so far that various changes or modifications may be made by one of ordinary skill in the art without departing from the scope of this invention.
Claims (8)
1. The utility model provides an attached rail web type weighing module, is including setting up weighing sensor (1) on the track, weighing sensor (1) on be connected with signal output line (2), characterized by: the weighing sensor (1) is symmetrically embedded in rail waists at two sides of a rail, the back surface of the weighing sensor (1) is clung to the surface of the rail waists, and a strain area (1 a) sealed by laser welding is arranged on the weighing sensor (1); the weighing sensor (1) is externally provided with a clamp (3) which is arranged from bottom to top, a top clamp (4) is arranged between the clamp (3) and the weighing sensor (1), the inner side of the top clamp (4) is propped against the weighing sensor (1), the upper level of the clamp (3) is provided with a locking screw (31), and the inner end of the locking screw (31) extends into the clamp (3) and is propped against the outer side of the top clamp (4); the weighing sensor (1) comprises a sensor main body (11), the strain area (1 a) is arranged in the middle of the sensor main body (11), signal connecting parts (12) are formed on two sides of the sensor main body (11), a signal output line (2) is connected with the signal connecting parts (12), embedding parts (13) are respectively arranged at the upper end and the lower end of the signal connecting parts (12), and deformation parts (14) are arranged between the embedding parts (13) and the signal connecting parts (12); a separation groove (15) is formed between the embedded part (13) and the signal connection part (12), and a circular section groove (16) is formed at the inner end of the separation groove (15), so that a deformation part (14) is formed at the joint of the embedded part (13) and the signal connection part (12); a horizontal force is applied to the load cell through the cooperation of the clamp (3) and the top clamp (4), so that the load cell is firmly fixed on the track.
2. An attached rail web weighing module of claim 1, wherein: u-shaped grooves (17) are formed between the signal connection parts (12) on both sides.
3. An attached rail web weighing module according to claim 2, characterized in that: the section of the clamp (3) is of a -shaped structure.
4. An attached rail web weighing module according to claim 3, wherein: the outer side of the top clamp (4) is provided with a limit lug (41), and the clamp (3) is provided with a limit groove (3 a) matched with the limit lug (41).
5. An attached rail web weighing module according to claim 4, wherein: the upper end and the lower end of the inner side of the top clamp (4) are convexly provided with pressing blocks (42).
6. An attached rail web weighing module according to claim 5, wherein: a groove (42 a) is arranged between the pressing blocks (42).
7. An attached rail web weighing module according to claim 6, wherein: and the signal output line (2) is sealed by laser welding after being connected with the signal connecting part (12).
8. An attached rail web weighing module according to claim 7, wherein: the fixture is characterized in that a protective outer cover (5) is arranged outside the fixture (3), and a lead seal (51) is arranged on the protective outer cover (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811183897.0A CN109115320B (en) | 2018-10-11 | 2018-10-11 | Attached rail waist type weighing module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811183897.0A CN109115320B (en) | 2018-10-11 | 2018-10-11 | Attached rail waist type weighing module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109115320A CN109115320A (en) | 2019-01-01 |
| CN109115320B true CN109115320B (en) | 2023-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811183897.0A Active CN109115320B (en) | 2018-10-11 | 2018-10-11 | Attached rail waist type weighing module |
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| CN (1) | CN109115320B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3401699A1 (en) * | 1984-01-19 | 1985-07-25 | Meßmetallurgie GmbH, 5810 Witten | Device for measuring the wheel loads of rapidly moving rail vehicles |
| CN2807221Y (en) * | 2005-07-27 | 2006-08-16 | 北京华横新技术开发公司 | Rim bearing type rail weighing device |
| CN201811776U (en) * | 2010-09-10 | 2011-04-27 | 顾增华 | Combined type continuous track weighing device |
| CN102313589A (en) * | 2010-07-01 | 2012-01-11 | 顾增华 | Attached steel rail wheel weight sensor |
| CN102494749A (en) * | 2011-12-21 | 2012-06-13 | 余姚市通用仪表有限公司 | Continuous rail type rail weighbridge |
| CN105444853A (en) * | 2015-11-14 | 2016-03-30 | 北京东方瑞威科技发展股份有限公司 | Optical fiber detection device adopting steel rail as elastomer, and railway overload and unbalanced load detection system |
| CN105890730A (en) * | 2015-05-22 | 2016-08-24 | 西南交通大学 | Track weighing device |
| WO2017079986A1 (en) * | 2015-11-14 | 2017-05-18 | 北京东方瑞威科技发展股份有限公司 | Optical fibre detection apparatus using steel rail as elastic body, and railway overload and unbalanced load detection system |
| CN107957285A (en) * | 2018-01-10 | 2018-04-24 | 北京东方瑞威科技发展股份有限公司 | A kind of railway Super leaning load system and detection method |
| CN208688636U (en) * | 2018-10-11 | 2019-04-02 | 苏州晟科测控技术有限公司 | A kind of attachment web of the rail formula Weighing module |
-
2018
- 2018-10-11 CN CN201811183897.0A patent/CN109115320B/en active Active
Patent Citations (10)
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|---|---|---|---|---|
| DE3401699A1 (en) * | 1984-01-19 | 1985-07-25 | Meßmetallurgie GmbH, 5810 Witten | Device for measuring the wheel loads of rapidly moving rail vehicles |
| CN2807221Y (en) * | 2005-07-27 | 2006-08-16 | 北京华横新技术开发公司 | Rim bearing type rail weighing device |
| CN102313589A (en) * | 2010-07-01 | 2012-01-11 | 顾增华 | Attached steel rail wheel weight sensor |
| CN201811776U (en) * | 2010-09-10 | 2011-04-27 | 顾增华 | Combined type continuous track weighing device |
| CN102494749A (en) * | 2011-12-21 | 2012-06-13 | 余姚市通用仪表有限公司 | Continuous rail type rail weighbridge |
| CN105890730A (en) * | 2015-05-22 | 2016-08-24 | 西南交通大学 | Track weighing device |
| CN105444853A (en) * | 2015-11-14 | 2016-03-30 | 北京东方瑞威科技发展股份有限公司 | Optical fiber detection device adopting steel rail as elastomer, and railway overload and unbalanced load detection system |
| WO2017079986A1 (en) * | 2015-11-14 | 2017-05-18 | 北京东方瑞威科技发展股份有限公司 | Optical fibre detection apparatus using steel rail as elastic body, and railway overload and unbalanced load detection system |
| CN107957285A (en) * | 2018-01-10 | 2018-04-24 | 北京东方瑞威科技发展股份有限公司 | A kind of railway Super leaning load system and detection method |
| CN208688636U (en) * | 2018-10-11 | 2019-04-02 | 苏州晟科测控技术有限公司 | A kind of attachment web of the rail formula Weighing module |
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| CN109115320A (en) | 2019-01-01 |
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