CN109470345A - The weighing device of railway freight-car - Google Patents
The weighing device of railway freight-car Download PDFInfo
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- CN109470345A CN109470345A CN201910015197.9A CN201910015197A CN109470345A CN 109470345 A CN109470345 A CN 109470345A CN 201910015197 A CN201910015197 A CN 201910015197A CN 109470345 A CN109470345 A CN 109470345A
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- Prior art keywords
- pressure sensor
- car
- railway freight
- weighing device
- connection
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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
- G01G19/08—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for incorporation in vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
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- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The present invention provides a kind of weighing devices of railway freight-car, it is set on the axle box for the bogie being connect with railway freight-car comprising: pressure sensor is set on the journal box spring cushion cap of the axle box of bogie, and be connected with the journal box spring group of axle box, suitable for obtaining the weight information of railway freight-car；Connection socket is set to a side end of pressure sensor, and forms conducting with pressure sensor and be electrically connected；And Portable intelligent terminal, plug type is formed with connection socket and is connect, to realize connection and disconnection with pressure sensor.The setting that the present invention passes through connection socket, make the connection structure that plug type is formed between Portable intelligent terminal and pressure sensor, to provide power supply for weighing device, show the weight signal for the railway freight-car that pressure sensor obtains, and the setting for passing through Portable intelligent terminal, it realizes unfixed point to freight at any time the convenience of weighing, improves the practicability of weighing device.
Description
Technical field
The present invention relates to the technical field of rolling stock, in particular to a kind of weighing device of railway freight-car.
Background technique
With the development of Chinese national economy, the causes such as metallurgy, electric power, petrochemical industry and military equipment present high speed and send out
The situation of exhibition.Some large scale equipments such as generator unit stator, high-power transformer, steel rolling equipment, drum, reaction tower etc. are in railway transportation
In freight volume be continuously increased.However, these equipment usually exist, external form is complicated, bulky, weight is up to spies such as several hundred tons
Different property, therefore, under normal circumstances, these cargos are transported on railway by Heavy Duty Freight Car.But these cargos are also because this is special
Property, make its self weight be difficult to calculate, the transport people that specific weight passes through commission mostly measures, and freight has with goods weight
Direct relation, so the case where transport people of commission when measuring the weight of such special cargo, always will appear weight understatement, no
But freight charges are influenced, can also bring security risk to driving when cargo overloads.
For this purpose, in the prior art, some technical literatures disclose the weighing system for rolling stock, there will be pressure
The weighing device of force snesor is installed on the sleeper beam of vehicle, and the contact by electric crane with bogie claims with realization is separated
Weight function.But its weighing process need to supply electricity to crane through battery, and crane need to jack up vehicle car, just be able to achieve goods
Object weighing, weighing process is more many and diverse and measurement accuracy is not high.
In other technical literatures, weighing sensor is connected with the bottom end of pendulum spring, title can be directly realized by
Weight function, improves the precision of weighing measurement, and weight signal is converted to electric signal and is transferred to by weighing sensor is set to railway goods
Weighing instrument on vehicle, to realize the load-carrying monitoring of railway freight-car.But it is set to the weighing instrument on railway freight-car, still needs goods
Power supply power supply on vehicle could show measurement result, therefore have certain requirement to the power supply of railway freight-car.
Summary of the invention
In view of this, the present invention is intended to provide a kind of without lorry power supply and the weighing of the high railway freight-car of measurement accuracy dress
It sets, to solve, measurement accuracy existing in the prior art is insufficient, lorry is needed to provide the technical problems such as power supply.
For this purpose, being set to turn connecting with the railway freight-car the present invention provides a kind of weighing device of railway freight-car
To on the axle box of frame comprising: pressure sensor is set on the journal box spring cushion cap of the axle box of the bogie,
And be connected with the journal box spring group of the axle box, suitable for obtaining the weight information of the railway freight-car；Connection socket is set to
One side end of the pressure sensor, and form conducting with the pressure sensor and be electrically connected；And Portable intelligent terminal,
It forms plug type with the connection socket and connect, to realize connection and disconnection with the pressure sensor.
In the present invention, by the setting of connection socket, make between Portable intelligent terminal and pressure sensor formed can
The connection structure of plug-in when Portable intelligent terminal being inserted in connection socket as a result, can form itself and pressure sensor
Connection, to provide power supply, the weight signal for the railway freight-car that display pressure sensor obtains for weighing device；By it from connection
When socket is extracted, its disconnection with pressure sensor may be implemented, thus power supply of the cutting to weighing device, in such case
Under, there is no open-wire line arrangement on railway freight-car, meet the requirement of railway technology policy, it can be ensured that the electricity consumption of railway freight-car is pacified
Entirely.It also, easily can be the weighing of railway freight-car by way of plug and pull by the setting of Portable intelligent terminal
Device power supply, freights the convenience weighed automatically at any time to realize unfixed point, improves the practicability of weighing device.
In addition, optionally, the pressure sensor is hollow in the weighing device of railway freight-car according to the present invention
Column structure.It is highly preferred that the pressure sensor is alternating share structure.Thus, it is possible to more easily realize weighing
The matching of the dependency structure of the bogie of device and railway freight-car connects, and improves the measurement accuracy of weighing device.
In addition, in the weighing device of railway freight-car according to the present invention, optionally, the pressure sensor it is described
There is limiting block, the connection socket forms conducting with the pressure sensor by the limiting block and is electrically connected on one side end
It connects.The setting of limiting block can more easily realize the positioning to pressure sensor as a result, to improve the measurement of weighing device
Precision.
In addition, optionally, being set on the journal box spring cushion cap in the weighing device of railway freight-car according to the present invention
It is equipped with limit hole, the limit hole is matched with the limiting block, to realize the positioning of the pressure sensor.In such case
Under, by being equipped with for limit hole and limiting block, the convenience and validity of the positioning to pressure sensor are improved, is improved
The practicability of weighing device.
In addition, in the weighing device of railway freight-car according to the present invention, optionally, the pressure sensor it is another
Side end is provided with backing plate, and the pressure sensor is connected by the backing plate with the journal box spring group.In this case,
The journal box spring group of backing plate and the axle box of bogie is connected, the pressure of groups of springs can be made to be uniformly distributed on backing plate, and lead to
The connection of backing plate and pressure sensor is crossed, so that more efficiently the pressure of groups of springs is transferred on pressure sensor, is improved
The stability and measurement accuracy of weighing device measurement.
In addition, optionally, the pressure sensor is two in the weighing device of railway freight-car according to the present invention
It is a, and respectively first pressure sensor and second pressure sensor, also, the journal box spring cushion cap is two, and respectively
For the first axle box spring bearing platform and the second journal box spring cushion cap, wherein the first pressure sensor is set to the first axle
On case spring bearing platform, the second pressure sensor is set on the second journal box spring cushion cap.In this case, pass through
The pressure that the groups of springs of the axle box two sides of bogie generates can be more comprehensively transferred to by the setting of two pressure sensors
On pressure sensor, keep the result of measurement more accurate and reliable.
In addition, in the weighing device of railway freight-car according to the present invention, optionally, the first pressure sensor and
The second pressure sensor is formed by conducting wire and is connected.It is highly preferred that the both ends of the conducting wire can have and the connection
The plug that socket matches.In this case, conducting wire can by be inserted into connection socket, and realize first pressure sensor and
The connection of second pressure sensor；Thus, it is possible to more easily pass be set on the two sides cushion cap of axle box two pressure
Sensor forms connection, so as to only connect Portable intelligent terminal with the connection socket of one of pressure sensor, i.e.,
The sum of the two pressure sensor numerical value on the corresponding both sides in side shaft end of the wheel pair of bogie can be obtained, thus more easily
The weight information of reliable railway freight-car is obtained, the accuracy and measurement convenience of weighing device measurement result is improved, improves
Working efficiency.
It, can be by the side shaft end of Portable intelligent terminal and wheel pair by the connection of conducting wire in addition, as described above
When any connection socket on both sides is connected, that is, measure the sum of the pressure value on both sides of the side shaft end of the wheel pair.In this way, point
Portable intelligent terminal is not connect with any connection socket of the two sides shaft end of each wheel pair, passes through portable intelligent
The signal processing and record of terminal can calculate each wheel to pressure suffered by entirety, so add up, can be calculated
The load of railway freight-car vehicle.Meanwhile Portable intelligent terminal can carry out same wheel to two axial ends pressure
Compare, and show difference, so that the unbalance loading situation of railway freight-car is obtained, to ensure the safety in railway freight-car operational process
Property.
In addition, optionally, the bottom of the axle box is provided in the weighing device of railway freight-car according to the present invention
Reinforcing rib, the reinforcing rib is interior to have wire casing, and the conducting wire is installed in the wire casing.In this case, by by conducting wire
It is mounted in wire casing, to prevent falling off for conducting wire, and wire casing can be set to reinforcing rib with significantly more efficient fixed conducting wire
It is interior, the protection to conducting wire can be further realized, prevents the conducting wire stolen or is soaked in water, improve weighing device
Safety in utilization.
In addition, in the weighing device of railway freight-car according to the present invention, optionally, the first pressure sensor and
The quantity of limiting block on the second pressure sensor respectively two or more, and the quantity of the limit hole and the limit
The quantity of position gear is identical.In this case, being equipped with by more than two limiting blocks and limit hole, can be effectively prevented
Pressure sensor rotates on journal box spring cushion cap, to further increase the precision of weighing device measurement.
Compared with the existing technology, the weighing device of railway freight-car of the present invention has the advantage that
(1) by the setting of connection socket, make to form plug type between Portable intelligent terminal and pressure sensor
Connection structure when Portable intelligent terminal being inserted in connection socket as a result, can form the connection of itself and pressure sensor, from
And power supply, the weight signal for the railway freight-car that display pressure sensor obtains are provided for weighing device；It is pulled out from connection socket
When out, its disconnection with pressure sensor may be implemented, thus power supply of the cutting to weighing device, in this case, in iron
There is no open-wire line arrangement on afloat vehicle, meet the requirement of railway technology policy, it can be ensured that the Electrical Safety of railway freight-car.Also,
It easily can be that the weighing device of railway freight-car supplies by way of plug and pull by the setting of Portable intelligent terminal
Electricity freights the convenience weighed automatically at any time to realize unfixed point, improves the practicability of weighing device；
It (2), can be by any the one of the side shaft end both sides of Portable intelligent terminal and wheel pair by the connection of conducting wire
When a connection socket is connected, that is, measure the sum of the pressure value on both sides of the side shaft end of the wheel pair.In this way, respectively by portable intelligence
Energy terminal is connect with any connection socket of the two sides shaft end of each wheel pair, at the signal of Portable intelligent terminal
Reason and record can calculate each wheel to pressure suffered by entirety, so add up, railway freight-car vehicle can be calculated
Load.Meanwhile Portable intelligent terminal can be compared same wheel to two axial ends pressure, and show
Difference, so that the unbalance loading situation of railway freight-car is obtained, to ensure the safety in railway freight-car operational process.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies mode and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 be embodiments of the present invention involved in railway freight-car weighing device and its with railway freight-car and its steering
The cut-away section structural schematic diagram that frame is connected；
Fig. 2 be embodiments of the present invention involved in railway freight-car weighing device and its with railway freight-car and its steering
The structural schematic diagram that frame is connected；
Fig. 3 (a) and (b) for the pressure sensor of the weighing device of railway freight-car involved in embodiments of the present invention with
Connection socket connected with limiting block after main view sectional view and bottom view；
Fig. 4 (a) and main view and its fragmentary cross-sectional view and left view that (b) is axle box involved in embodiments of the present invention
Figure and its fragmentary cross-sectional view.
Description of symbols:
1- weighing device, 11- pressure sensor, 111- first pressure sensor, 112- second pressure sensor, 12- connect
Plug receptacle, 13- Portable intelligent terminal, 14- limiting block, 15- backing plate, 16- conducting wire, 17- cable, 2- bogie, 21- axle box,
211- journal box spring cushion cap, 2111- the first axle box spring bearing platform, 2112- the second journal box spring cushion cap, 212- journal box spring group,
213- limit hole, 214- reinforcing rib, 215- wire casing, 22- adapter, 23- rolling bearing, 24- wheel pair, 3- railway freight-car.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can
To be combined with each other.
The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiment.
Fig. 1 be embodiments of the present invention involved in railway freight-car weighing device and its with railway freight-car and its steering
The cut-away section structural schematic diagram that frame is connected；Fig. 2 is the weighing device of railway freight-car involved in embodiments of the present invention
And its structural schematic diagram being connected with railway freight-car and its bogie；Fig. 3 (a) and (b) are involved by embodiments of the present invention
And railway freight-car weighing device pressure sensor connect with connection socket and limiting block after main view sectional view and
Bottom view；Fig. 4 (a) and main view and its fragmentary cross-sectional view and left view that (b) is axle box involved in embodiments of the present invention
Figure and its fragmentary cross-sectional view.
Hereinafter, describing the weighing device of railway freight-car involved in present embodiment in detail referring to figs. 1 to Fig. 4.
As depicted in figs. 1 and 2, the weighing device 1 of railway freight-car involved in present embodiment may include: pressure sensing
Device 11, connection socket 12 and Portable intelligent terminal 13, wherein the axle box 21 in bogie 2 can be set in pressure sensor 11
Journal box spring cushion cap 211 on, and be connected with the journal box spring group 212 of axle box 21, suitable for obtaining the weight letter of railway freight-car 3
Breath.In some instances, connection socket 12 can be set in a side end of pressure sensor 11, and with 11 shape of pressure sensor
It is electrically connected at conducting.In other examples, Portable intelligent terminal 13 can form plug type with connection socket 12 and connect,
To realize connection and disconnection with pressure sensor 11.
In the present embodiment, by the setting of connection socket, make shape between Portable intelligent terminal and pressure sensor
At the connection structure of plug type, when Portable intelligent terminal being inserted in connection socket as a result, itself and pressure sensing can be formed
The connection of device, to provide power supply, the weight signal for the railway freight-car that display pressure sensor obtains for weighing device；By its from
When connection socket is extracted, its disconnection with pressure sensor may be implemented, thus power supply of the cutting to weighing device, in this feelings
Under condition, there is no open-wire line arrangement on railway freight-car, meet the requirement of railway technology policy, it can be ensured that the electricity consumption of railway freight-car is pacified
Entirely.It also, easily can be the weighing of railway freight-car by way of plug and pull by the setting of Portable intelligent terminal
Device power supply, freights the convenience weighed automatically at any time to realize unfixed point, improves the practicability of weighing device.
In the present embodiment, pressure sensor 11 can be set in the journal box spring cushion cap 211 of the axle box 21 of bogie 2
On, and be connected with the journal box spring group 212 of axle box 21.Wherein, journal box spring cushion cap 211 is one of the axle box 21 of bogie 2
Point, axle box 21 is installed on adapter 22, and adapter 22 is installed on rolling bearing 23, and rolling bearing 23 is installed on bogie again
2 wheel is on 24.As a result, by the conduction of power, can be passed by the wheel of bogie to suffered pressure through axle box groups of springs
It is handed to pressure sensor, to realize the measurement to the loading capacity of railway freight-car.
In addition, in the present embodiment, the shape and structure of pressure sensor 11 is not particularly limited.In some instances,
Pressure sensor 11 can be hollow cylinder structure, such as can be the hollow cylinder structure of rule, or irregular
Hollow cylinder structure.In other examples, pressure sensor 11 can be alternating share structure, or square cylinder
Structure etc..Thus, it is possible to more easily realize that the matching of the dependency structure of the bogie of weighing device and railway freight-car connects,
Improve the measurement accuracy of weighing device.
In the present embodiment, connection socket 12 can be set on pressure sensor 11.In some instances, connection is inserted
Mouth 12 can be set in a side end of pressure sensor 11, and forms conducting with pressure sensor 11 and be electrically connected.It is portable as a result,
Formula intelligent terminal (being described later on) can realize its connection with pressure sensor by the connection with connection socket, thus right
The signal that pressure sensor obtains is handled and is recorded.
In addition, in the present embodiment, the shape and structure of connection socket 12 is not particularly limited.In some instances, even
Plug receptacle 12 can be hollow cylinder structure, such as can be the hollow cylinder structure of rule, or irregular is hollow
Column structure.In other examples, connection socket 12 can be alternating share structure etc..Thus, it is possible to more easily
Realize its connection with Portable intelligent terminal.
In the present embodiment, it can have limiting block 14 on a side end of pressure sensor 11, connection socket 12 can
It is electrically connected with forming conducting with pressure sensor 11 by limiting block 14.In some instances, connection socket 12 can be set in
On limiting block 14.In other examples, connection socket 12 can be set in limiting block 14 separate pressure sensor 11 one
Side end.The positioning to pressure sensor can more easily be realized by the setting of limiting block as a result, to improve weighing dress
The measurement accuracy set.
In addition, in the present embodiment, the shape and structure of limiting block 14 is not particularly limited.In some instances, it limits
Gear 14 can be hollow cylinder structure, such as can be the hollow cylinder structure of rule, or irregular hollow cylinder
Structure.In other examples, limiting block 14 can be alternating share structure etc..Thus, it is possible to more easily realize it
With the connection of connection socket.
In addition, in the present embodiment, connecting line can be set in limiting block 14.Connection socket setting and limit as a result,
It blocks, can be formed and be connected by the connecting line and pressure sensor, to realize pressure sensor and Portable intelligent terminal
Connection.
In addition, in the present embodiment, the size of connection socket 12 and limiting block 14 is not particularly limited.In some examples
In, the diameter of connection socket 12 can be greater than the diameter of limiting block 14.Thus, it is possible to be cooperatively connected with the axle box of bogie
Afterwards, it further prevents pressure sensor to fall off from limit hole, improves the reliable measuring data and its measurement of weighing device
Precision.
In addition, in the present embodiment, limiting block 14 and the connection type of connection socket 12 and pressure sensor 11 do not have
Especially limitation.In some instances, limiting block 14 can be connected to pressure sensor 11 and connection socket by welding
12.In other examples, limiting block 14 can also by other means, such as screw such as fixes, is bonded at the modes, is connected to pressure
Force snesor 11 and connection socket 12.Thus, it is possible to make to be formed between limiting block and pressure sensor and connection socket more steady
Fixed connection improves the stability in use of weighing device.
In the present embodiment, limit hole 213 has been can be set on journal box spring cushion cap 211, limit hole 213 can be with
Limiting block 14 matches, to realize the positioning of pressure sensor 11.In some instances, the size of limit hole 213 is not special
Limitation, such as can match with the size of limiting block 14.Limiting block and limit hole can form more stable match as a result,
It closes, so as to the positioning of more stable realization pressure sensor, improves the stability of weighing device measurement.
In the present embodiment, the end side of pressure sensor 11 is also provided with backing plate 15.In some examples
In, pressure sensor 11 can be connected by backing plate 15 with journal box spring group 212.In this case, by backing plate and bogie
The connection of journal box spring group, the pressure of groups of springs can be made to be uniformly distributed on backing plate, and pass through backing plate and pressure sensor
Connection improves the stabilization of weighing device measurement so that more efficiently the pressure of groups of springs is transferred on pressure sensor
Property and measurement accuracy.
In the present embodiment, the shape size of backing plate 15 is not particularly limited.In some instances, the shape of backing plate 15
Shape can be hollow cylinder structure, such as alternating share structure etc..In other examples, the diameter of backing plate 15 can be with
It is identical as the diameter of pressure sensor 11.Thus, it is possible to which the significantly more efficient pressure for generating journal box spring group is transferred to
Pressure sensor, to improve the measurement accuracy of weighing device.
In the present embodiment, the quantity of pressure sensor 11 is not particularly limited.In some instances, pressure sensor
11 quantity can be two, and respectively first pressure sensor 111 and second pressure sensor 112.In other examples
In, journal box spring cushion cap 211 can be two, and respectively the first axle box spring bearing platform 2111 and the second journal box spring cushion cap
2112, wherein first pressure sensor 111 can be set on the first axle box spring bearing platform 2111, second pressure sensor 112
It can be set on the second journal box spring cushion cap 2112.In this case, pass through the setting of two pressure sensors, Ke Yigeng
Add and comprehensively the pressure that the groups of springs of the axle box two sides of bogie generates is transferred on pressure sensor, makes the result of measurement more
Add accurate and reliable.
In the present embodiment, the number of the limiting block 14 in first pressure sensor 111 and second pressure sensor 112
Amount can be respectively two or more.In some instances, the quantity of limit hole 213 can be identical with the quantity of limiting block 14.?
In this case, being equipped with by more than two limiting blocks and limit hole, can be effectively prevented pressure sensor in axle box
It rotates on spring bearing platform, to further increase the precision of weighing device measurement.
In the present embodiment, first pressure sensor 111 and second pressure sensor 112 can be formed by conducting wire 16
Connection.In some instances, the both ends of conducting wire 16 can have the plug to match with connection socket 12.In this case,
Conducting wire can realize the connection of first pressure sensor and second pressure sensor by being inserted into connection socket；Thus, it is possible to
Be set on the two sides cushion cap of axle box two pressure sensors are made to form connection, more easily so as to only will be portable
Intelligent terminal is connect with the connection socket of one of pressure sensor, and the side shaft end that the wheel pair of bogie can be obtained is corresponding
The sum of the two pressure sensor numerical value on both sides, to more easily obtain the weight information of reliable railway freight-car, mention
The high accuracy and measurement convenience of weighing device measurement result, improves work efficiency.
It, can be by the side shaft end of Portable intelligent terminal and wheel pair by the connection of conducting wire in addition, as described above
When any connection socket on both sides is connected, that is, measure the sum of the pressure value on both sides of the side shaft end of the wheel pair.In this way, point
Portable intelligent terminal is not connect with any connection socket of the two sides shaft end of each wheel pair, passes through portable intelligent
The signal processing and record of terminal can calculate each wheel to pressure suffered by entirety, so add up, can be calculated
The load of railway freight-car vehicle.Meanwhile Portable intelligent terminal can carry out same wheel to two axial ends pressure
Compare, and show difference, so that the unbalance loading situation of railway freight-car is obtained, to ensure the safety in railway freight-car operational process
Property.
In addition, in the present embodiment, the quantity of connection socket 12 is not particularly limited.In some instances, connection is inserted
The quantity of mouth 12 can be two or more.In other examples, it is set to first pressure sensor 111 and second pressure passes
The quantity of connection socket 12 on sensor 112 can be respectively two.In this case, one of connection socket can be used
In connection Portable intelligent terminal, another connection socket be can be used as between first pressure sensor and second pressure sensor
The socket of the conducting wire of connection, to more easily realize the connection of two sensors.
In addition, in the present embodiment, the quantity of backing plate 15 is not particularly limited.In some instances, the number of backing plate 15
Amount can be two.In other examples, two backing plates 15 are respectively arranged at first pressure sensor 111 and second pressure passes
The end side of sensor 112, first pressure sensor 111 and second pressure sensor 112 can pass through backing plate 15 and axle box
Groups of springs 212 is connected.In this case, the journal box spring group of backing plate and bogie is connected, the pressure of groups of springs can be made
It is uniformly distributed on backing plate, and passes through the connection of backing plate and pressure sensor, to more efficiently pass the pressure of groups of springs
It is handed on pressure sensor, improves the stability and measurement accuracy of weighing device measurement.
In the present embodiment, reinforcing rib 214 has can be set in the bottom of axle box 21.In some instances, reinforcing rib 214
Quantity be not particularly limited, such as can be one, two or three etc..Thus, it is possible to which the setting by reinforcing rib improves
The structural rigidity of axle box promotes the service performance of bogie.
In the present embodiment, it can have wire casing 215 in reinforcing rib 214.In some instances, conducting wire 16 can pacify
Loaded in wire casing 215.In this case, by the way that conducting wire to be mounted in wire casing, can with significantly more efficient fixed conducting wire, to prevent
Only conducting wire falls off, and wire casing is set in reinforcing rib, can further realize the protection to conducting wire, prevent conducting wire stolen or
Be soaked in water and so on, improve the safety in utilization of weighing device.
In the present embodiment, Portable intelligent terminal 13 can form plug type with connection socket 12 and connect, with reality
Now with the connection and disconnection of pressure sensor 11.It in this case, can be with when Portable intelligent terminal being inserted into connection socket
Its connection with pressure sensor is formed, to provide power supply, the railway freight-car that display pressure sensor obtains for weighing device
Weight signal；When it is extracted from connection socket, its disconnection with pressure sensor may be implemented, thus the symmetrical refitting of cutting
The power supply set, to ensure the Electrical Safety of railway freight-car.
In addition, in the present embodiment, the type of Portable intelligent terminal 13 is not particularly limited.In some instances,
Portable intelligent terminal 13 can be small portable and portable communication terminal device, such as can be digital mobile electricity
Phone, mobile phone, tablet computer, special portable device etc..Thus, it is possible to be equipped with different portable intelligents according to actual needs
Terminal device to improve the practicability of weighing device, and can realize that unfixed point is freighted weighing anywhere or anytime, operate simpler
Just, more intuitive as the result is shown.
In addition, in the present embodiment, Portable intelligent terminal 13 can be connect by cable 17 with connection socket 12.
In some instances, the side end of cable 17 connecting with connection socket 12 has the plug to match with connection socket 12.
Thus, it is possible to realize that the plug type of Portable intelligent terminal and connection socket connects, easily more to realize itself and pressure
The connection and disconnection of sensor.
In addition, in the present embodiment, the weight information that Portable intelligent terminal 13 can obtain pressure sensor 11
It is handled.In some instances, at the weight information that Portable intelligent terminal 13 can obtain pressure sensor 11
The mode of reason is not particularly limited, such as can carry out conversion conversion, record, add up and compare.Thus, it is possible to pass through portable
Processing of the formula intelligent terminal to signal calculates railway freight-car each wheel to every side pressure, and carries out after can record tired
Add, to obtain complete vehicle weight.Also, by being compared to same wheel to two axial ends pressure, it can show two
Person's difference improves the accuracy to railway freight-car weight measurement to obtain the unbalance loading amount of railway freight-car, prevent overload turn goods,
Unbalance loading loading and so on.
The foregoing is merely better embodiments of the invention, are not intended to limit the invention, all of the invention
Within spirit and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of weighing device of railway freight-car, is set on the axle box for the bogie connecting with the railway freight-car, feature
It is, comprising:
Pressure sensor (11) is set on the journal box spring cushion cap (211) of the axle box (21) of the bogie (2),
And be connected with the journal box spring group (212) of the axle box (21), it is suitable for obtaining the weight information of the railway freight-car (3)；
Connection socket (12), is set to a side end of the pressure sensor (11), and with the pressure sensor (11)
Form conducting electrical connection；And
Portable intelligent terminal (13) forms plug type with the connection socket (12) and connect, to realize and the pressure
The connection and disconnection of sensor (11).
2. the weighing device of railway freight-car according to claim 1, which is characterized in that the institute of the pressure sensor (11)
Stating on a side end has limiting block (14), and the connection socket (12) passes through the limiting block (14) and the pressure sensor
(11) conducting electrical connection is formed.
3. the weighing device of railway freight-car according to claim 2, which is characterized in that the journal box spring cushion cap (211)
On be provided with limit hole (213), the limit hole (213) matches with the limiting block (14), to realize the pressure sensing
The positioning of device (11).
4. the weighing device of railway freight-car according to claim 2, which is characterized in that the pressure sensor (11) it is another
One side end is provided with backing plate (15), and the pressure sensor (11) passes through the backing plate (15) and the journal box spring group
(212) it is connected.
5. according to the weighing device of the railway freight-car any in claim 2 to 4, which is characterized in that the pressure sensing
Device (11) is two, and respectively first pressure sensor (111) and second pressure sensor (112), also,
The journal box spring cushion cap (211) is two, and respectively the first axle box spring bearing platform (2111) and the second journal box spring
Cushion cap (2112), wherein
The first pressure sensor (111) is set on the first axle box spring bearing platform (2111), and the second pressure passes
Sensor (112) is set on the second journal box spring cushion cap (2112).
6. the weighing device of railway freight-car according to claim 5, which is characterized in that the first pressure sensor
(111) it is formed and is connected by conducting wire (16) with the second pressure sensor (112).
7. the weighing device of railway freight-car according to claim 6, which is characterized in that the bottom of the axle box (21) is arranged
Have reinforcing rib (214), there are wire casing (215) in the reinforcing rib (214), the conducting wire (16) is installed on the wire casing (215)
It is interior.
8. the weighing device of railway freight-car according to claim 5, which is characterized in that the first pressure sensor
(111) quantity of the limiting block (14) and on the second pressure sensor (112) respectively two or more, and the limit
The quantity in hole (213) is identical as the quantity of the limiting block (14).
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| RU2716392C1 (en) * | 2019-05-14 | 2020-03-11 | Общество с ограниченной ответственностью "Всесоюзный научно-исследовательский центр транспортных технологий" (ООО "ВНИЦТТ") | Railway freight car monitoring system |
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