CN212766256U - Railway wagon hand braking force monitoring device and railway wagon - Google Patents
Railway wagon hand braking force monitoring device and railway wagon Download PDFInfo
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- CN212766256U CN212766256U CN202020822649.2U CN202020822649U CN212766256U CN 212766256 U CN212766256 U CN 212766256U CN 202020822649 U CN202020822649 U CN 202020822649U CN 212766256 U CN212766256 U CN 212766256U
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Abstract
The utility model belongs to the technical field of the railway transportation, especially, relate to a railway freight car hand braking force monitoring devices and railway freight car. The monitoring device comprises a digital display and a tension sensor, wherein the tension sensor is provided with a first end and a second end which are opposite along the axial direction of the tension sensor, the first end of the tension sensor is connected with a hand brake chain, the second end of the tension sensor is connected with a brake lever or a vehicle body, and the digital display is connected with the tension sensor. The utility model discloses but real-time supervision hand braking force and guarantee to reach the braking force value to can ensure that the power of loading on the hand wheel enables the vehicle and brakes completely, avoid causing incident such as swift current slope, security when improving the vehicle braking.
Description
Technical Field
The utility model belongs to the technical field of the railway transportation, especially, relate to a railway freight car hand braking force monitoring devices and railway freight car.
Background
The hand brake is a mechanism which is installed on a vehicle brake device and takes manpower as a brake motive power, and is mainly applied to railway wagons. The hand brake is connected with the basic brake device, uses manpower as a brake motive power, and manually pulls a hand wheel of the hand brake to generate a brake force, and the brake force is transmitted to the brake shoe through the basic brake device to enable the brake shoe to tightly press the wheel, so that the vehicle brake is realized, and the hand brake has the functions of manual shunting operation, parking brake and slipping prevention.
In order to exert the braking function of the hand brake, a hand brake chain is connected with a brake lever, a hand wheel of the hand brake is pulled manually to output the braking force, and the minimum output force of the hand brake chain is not less than the minimum braking force value specified by the technical conditions of the hand brake.
At present, railway freight cars at home and abroad mainly adopt NSW type and FSW type hand brakes. According to the technical condition of the hand brake, in the full-stroke range, when the torque of 156N.m is input in the brake, the output tension of the chain is not less than 10KN, and the output tension of the full stroke is not less than 14.9 KN. In practical application, an operator mainly rotates a hand wheel for a plurality of circles by experience and feel so as to judge the magnitude of the hand brake output force.
In the course of implementing the present invention, the applicant has found that there are at least the following disadvantages in the prior art:
in the prior art, the acting force loaded on a hand wheel is greatly influenced by human factors due to different strength of operators, and when the external force is too small, a vehicle cannot be completely braked, so that safety accidents such as slope slipping are caused.
SUMMERY OF THE UTILITY MODEL
Problem to above-mentioned prior art exists, the utility model provides a railway freight car hand braking force monitoring devices and railway freight car to real-time supervision hand braking force is ensured to reach the braking force value, and too little because of external force among the solution prior art, can't make the vehicle brake completely, causes the technical problem of incident such as swift current slope.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
the utility model discloses a technical scheme does: a railway wagon hand braking force monitoring device is suitable for monitoring the input force of a hand brake of a railway wagon, wherein the hand brake comprises a hand brake chain and a brake lever, and the monitoring device comprises:
a digital display;
the brake lever is connected with the brake lever, and the digital display instrument is connected with the tension sensor.
Furthermore, a wiring port is formed in the tension sensor, the digital display is installed on the wiring port of the tension sensor through a wire, and the wire is a telescopic spring wire.
Furthermore, the digital display has two background interfaces, namely a red background interface and a green background interface.
The utility model discloses a another kind of technical scheme does: the utility model provides a railway freight car hand brake force monitoring devices, is applicable to the monitoring of the input force of railway freight car's hand brake, hand brake includes hand brake chain, brake lever and movable pulley, the movable pulley setting is in the one end tip of brake lever, the one end of hand brake chain is connected on the hand brake, the other end of hand brake chain is walked around the movable pulley, the other end of hand brake chain is connected on the automobile body, monitoring devices includes:
a digital display;
the pull sensor is provided with a first end and a second end which are opposite to each other along the axial direction of the pull sensor, the first end of the pull sensor is connected with the other end of the hand brake chain, the second end of the pull sensor is connected with the vehicle body, and the pull sensor is connected with the digital display instrument.
Further, the first end of the tension sensor is connected with the hand brake chain through a first connecting piece, the first connecting piece comprises a clamping plate and a connecting plate, wherein:
the clamp plates are oppositely arranged, the end parts of the hand brake chain are arranged between the two clamp plates, the two clamp plates are connected with the hand brake chain through a first connecting pin, one ends, far away from the hand brake chain, of the two clamp plates are connected through a connecting plate, and the first end of the tension sensor is connected to the middle of the connecting plate.
Preferably, the first end of the tension sensor is screwed in the middle of the connecting plate.
Further, the second end of the tension sensor is connected with the brake lever through a second connecting piece, the second connecting piece comprises a connecting rod, a spherical sleeve and a second connecting pin, wherein:
the brake lever is characterized in that the connecting rod is provided with a first end and a second end which are opposite to each other along the axial direction of the connecting rod, the first end of the connecting rod is coaxially connected with the second end of the tension sensor, the second end of the connecting rod is provided with a through spherical cavity along the radial direction of the connecting rod, the spherical sleeve is movably arranged in the spherical cavity in a matched mode, the second connecting pin penetrates through the spherical sleeve along the radial direction of the connecting rod, the brake lever is provided with two connecting plates, and the two connecting plates are oppositely connected at two ends of the second connecting pin.
Further, the second end of the tension sensor is rotatably connected with the vehicle body through a third connecting piece.
Still further, the third connecting member includes an eye bolt and a connecting rivet, wherein:
the ring eye bolt is provided with a fixedly connected rod body and a ring shape, and the rod body of the ring eye bolt is in threaded connection with the second end of the tension sensor; the one end fixed connection of connecting the rivet is on the frame, the other end of connecting the rivet has cyclic annularly, the cyclic annularly of connecting the rivet with the cyclic annular of eye bolt sets up relatively, just, the cyclic annular of connecting the rivet with the cyclic annular of eye bolt passes through rotatable coupling.
Still further, the embodiment of the utility model provides a railway freight car, railway freight car includes above-mentioned railway freight car hand braking force monitoring devices.
The utility model has the advantages that:
the utility model provides a railway wagon, it includes hand braking force monitoring devices, because the first end of tension sensor and hand brake chain are connected, the second end of tension sensor and brake lever or automobile body are connected, when manual operation hand brake, install and will produce the pulling force to tension sensor on hand brake chain, tension sensor measures the pulling force on the hand brake chain and changes numerical value into the signal of telecommunication transmission to digital display instrument, the operator observes digital display instrument when operating hand brake, when the pulling force value reaches hand brake output force set value, can judge that hand braking force has reached parking braking requirement, can stop the operation, can monitor hand braking force in real time and ensure to reach braking force value, thereby can ensure that the effect of loading on the hand wheel can make the vehicle brake completely, avoid causing accidents such as swift current slope, the safety of the vehicle during braking is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a hand braking force monitoring device of a railway wagon according to a first embodiment;
FIG. 2 is a schematic view showing the arrangement of the hand braking force monitoring device of the railway wagon shown in FIG. 1 on the vehicle according to the first embodiment;
FIG. 3 is a schematic view showing the arrangement of the hand braking force monitoring device of the railway wagon shown in FIG. 1 on the vehicle according to the second embodiment;
FIG. 4 is a schematic view of the hand brake force monitoring device applied to a vehicle with a hand brake chain connected to a movable pulley;
fig. 5 is a schematic view of the connection of the tension sensor of fig. 4 to the vehicle body.
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.
The embodiment of the utility model provides a railway freight car, it includes railway freight car hand braking force monitoring devices to real-time supervision hand braking force is ensured to reach the braking power value, and in order to solve among the prior art because of external force is too little, can't make the vehicle brake completely, causes the technical problem of incident such as swift current slope.
The first embodiment is as follows:
the hand braking force monitoring device for the railway wagon is suitable for a hand braking mode in which a chain of a hand brake is directly connected with a brake lever.
Fig. 1 is a schematic structural diagram of a railway wagon hand braking force monitoring device according to a first embodiment, fig. 2 is a schematic layout diagram of the railway wagon hand braking force monitoring device shown in fig. 1 on a vehicle according to the first embodiment, and with reference to fig. 1 and fig. 2, the monitoring device comprises a digital display 1 and a tension sensor 6, wherein the tension sensor 6 has a first end and a second end opposite to each other along an axial direction of the tension sensor, the first end of the tension sensor is connected with a hand brake chain 10, the second end of the tension sensor 6 is connected with a brake lever 12, and the tension sensor 6 is connected with the digital display 1. When the hand brake is operated manually, tension is generated on a tension sensor 6 arranged on a chain of the hand brake, the tension sensor 6 measures the tension of the chain and converts the numerical value into an electric signal to be transmitted to a digital display instrument 1, an operator observes the digital display instrument 1 while operating the hand brake, and when the tension value reaches a set value of the output force of the hand brake, the hand brake can be judged to meet the requirements of parking brake, and the operation can be stopped.
The utility model discloses digital display appearance 1 is installed at rail vehicle tip or side through detachable modes such as riveting or bolted connection, for example on curb girder 9 in FIG. 1 and FIG 2, for being used for showing hand brake output power, and convenient the turnover, and it can have two kinds of background interfaces, be red background interface and green background interface respectively, when the display value does not reach hand brake output power setting value, the display of interface background is red, when reaching hand brake output power setting value, the display of interface background is green, the operator of being convenient for directly perceived clear reading output power value, whether in order to judge hand brake power to reach the parking braking requirement.
Additionally, the utility model discloses the required power of digital display 1 can adopt low capacity battery or solar energy power supply, and the hand brake output power setting value sets for different standard values according to the hand brake of different models, the utility model discloses do not do the restriction to this.
With reference to fig. 1 and 2, the embodiment of the present invention provides a wiring port on the tension sensor 6, and the digital display 1 is installed on the wiring port of the tension sensor 6 through the wire 2. Because the tension sensor 6 can move and change angles along with the movement of the hand brake chain 10, the selected wire 2 is a telescopic spring wire, so that the displacement angle change of the self-adaptive tension sensor, the hand brake chain and the like can be realized, and meanwhile, the installation position of the digital display instrument 1 on the vehicle can be adjusted.
With reference to fig. 1 and fig. 2, in the embodiment of the present invention, the first end of the tension sensor 6 is connected to the hand brake chain 10 through the first connecting member 7, the first connecting member 7 includes a clamping plate and a connecting plate, wherein, the clamping plate is provided with two relatively, the end of the hand brake chain 10 is disposed between the two clamping plates, the two clamping plates are connected to one end of the hand brake chain 10 through the first connecting pin 8, the other end of the hand brake chain 10 is connected to the hand brake 11, one end of the two clamping plates away from the hand brake chain is connected to the connecting plate, the first end of the tension sensor 6 is connected to the middle of the connecting plate, so as to connect the tension sensor 6 to the hand brake chain 10.
Specifically, the first end of the tension sensor 6 can be fixedly connected to the middle of the connecting plate of the first connecting piece 7 in a threaded connection manner, in order to ensure the data measurement accuracy of the tension sensor 6, when the hand brake chain 10 is installed, the tension direction of the hand brake chain 10 is consistent with the axis of the tension sensor 6, a certain range of movable gap is required between the two clamping plates and the hand brake chain 10, the longitudinal and vertical displacement of the chain ring can be effectively limited, and the coaxiality of the tension sensor 6 and the hand brake chain 10 and the accuracy of measured data are ensured.
With reference to fig. 1 and fig. 2, in the embodiment of the present invention, the second end of the tension sensor 6 is connected to the brake lever 12 through a second connecting member, the second connecting member includes a connecting rod 5, a spherical sleeve 3 and a second connecting pin 4, wherein the connecting rod 5 has a first end and a second end opposite to each other along the axial direction thereof, the first end of the connecting rod 5 is coaxially connected to the second end of the tension sensor 6, the second end of the connecting rod 6 is provided with a spherical cavity penetrating along the connecting rod 6 in the radial direction, the spherical sleeve 3 is movably fitted in the spherical cavity, the second connecting pin 4 radially penetrates through the spherical sleeve 3 along the connecting rod 5, the brake lever 12 has two connecting plates, the two connecting plates are relatively connected to the two ends of the second connecting pin 4, so as to realize the connection between the tension sensor 6 and the brake.
Specifically, the first end of the connecting rod 5 can be connected with the second end of the tension sensor 6 in a threaded connection mode, the spherical sleeve 3 is embedded in a spherical cavity of the second end of the connecting rod 5, the spherical sleeve 3 is in a spherical shape as a whole, the spherical sleeve 3 and the spherical cavity are in clearance fit with each other in a small clearance, necessary rotation precision and a proper clearance are ensured, the spherical sleeve 3 in the spherical shape can effectively compensate angle errors formed when the hand brake chain 10 moves, and coaxiality of the tension sensor 6 and the hand brake chain 10 and accuracy of measured data are ensured.
Further, the utility model discloses spherical cover 3's upper and lower both ends can be the platykurtic, and radial and axial coaxial with connecting rod 5, and highly be greater than connecting rod 5, and when it was connected with brake lever 12, spherical cover 3's upper and lower plane and lever adopted little clearance fit.
The utility model discloses second connecting pin 4 can realize the horizontal hunting between brake lever 12 and the force sensor 6 to adapt to the actual operating mode.
It should be noted that, in the embodiment of the present invention, since the tension sensor 6 of the hand braking force monitoring device is installed between the movable lever 12 and the hand brake chain 10, limited by the vehicle hand braking system and the structure, the distance between the first connecting pin 8 and the second connecting pin 4 should be limited within a certain range, so as to avoid the tension sensor 6 from being involved in the hand brake.
Example two:
the hand braking force monitoring device for the railway wagon is suitable for a hand braking mode that a hand brake chain is connected with a brake lever with amplified braking multiplying power.
Fig. 3 is a schematic layout view of the railway wagon hand braking force monitoring device shown in fig. 1 on a vehicle of a second embodiment, which is different from the second embodiment in the following points, in combination with fig. 1 and fig. 3, in combination with fig. 3: the brake lever of embodiment two has the enlarged brake multiplying power, and tension sensor 6's second end is connected with brake lever 12 that has the enlarged brake multiplying power, and the pulling force size that digital display 1 shows is irrelevant with the brake multiplying power magnification ratio of brake lever 12, and embodiment one is referred to its concrete connection mode, the embodiment of the utility model does not do the restriction here.
Example three:
when the output force of the hand brake can not meet the requirement of the brake force, a brake multiplying power amplifying mechanism, namely a movable pulley, can be additionally arranged to amplify the brake force, and the hand brake chain bypasses the movable pulley and outputs 2 times of brake force through the connection of the hand brake pull rod and the movable pulley.
Fig. 4 is a schematic diagram of the arrangement of the hand braking force monitoring device applied to the vehicle with the hand braking chain connected with the movable pulley. Referring to fig. 4, when the hand brake force monitoring apparatus is applied to a scheme in which the hand brake chain is connected to the movable pulley, the hand brake chain 14 has one end connected to the hand brake 13 and the other end passing through the fixed pulley 19 and the movable pulley 20 in turn and is fixedly connected to the car body 18, wherein the fixed pulley 19 is rotatably connected to the car body 18 and the movable pulley 20 is rotatably connected to the end of the brake lever 12.
With reference to fig. 4, the embodiment of the present invention provides a hand braking force monitoring device is connected in series between the connection end of the hand brake chain 14 and the vehicle body 18, that is, the tension sensor 6 has the first end and the second end opposite to each other along the axial direction thereof, the first end of the tension sensor 6 is connected to the hand brake chain 10, the second end of the tension sensor 6 is connected to the vehicle body, so that the output force value of the hand brake can be accurately monitored, and the installation position is not easily drawn into the hand brake or the movable pulley.
With reference to fig. 4, in the embodiment of the present invention, the first end of the tension sensor 6 in the hand braking force monitoring device is connected to the hand brake chain 14 through the first connecting member 7, so as to effectively compensate the angle formed when the hand brake chain moves, which is consistent with the technical solution shown in the first embodiment, the embodiment of the present invention does not limit this.
Referring to fig. 4, in the embodiment of the present invention, the second end of the tension sensor 6 in the hand braking force monitoring device is rotatably connected to the vehicle body through a third connecting member. Fig. 5 is a schematic view of the connection between the tension sensor and the vehicle body in fig. 4, and referring to fig. 4 and 5, the third connecting member includes an eye bolt 16 and a connecting rivet 17, wherein the eye bolt 16 has a fixedly connected rod body and a ring shape, and the rod body of the eye bolt 16 is in threaded connection with the second end of the tension sensor 6; one end of the connecting rivet 17 is fixedly connected to the frame 18, the other end of the connecting rivet 17 is provided with a ring shape, the ring shape of the connecting rivet 17 is opposite to the ring shape of the eye bolt 16, and the ring shape of the connecting rivet 17 and the ring shape of the eye bolt 16 can be rotatably connected through a chain ring. The rotatable connection mode can effectively compensate the angle formed when the hand brake chain moves, and the coaxiality of the tension sensor 6 and the hand brake chain 14 and the accuracy of measured data are ensured.
Of course, in the embodiment of the present invention, the second end of the tension sensor 6 may also be connected to the vehicle body in a rotatable manner through other structures, and the embodiment of the present invention does not limit this.
It should be noted that, in the embodiment of the present invention, the hand braking force monitoring device is connected in series between the hand braking chain and the vehicle body, the monitored pulling force value will not change due to the increase of the direction change of the fixed pulley, and the monitored pulling force value is irrelevant to the amplification braking multiplying power of the movable pulley.
It should be noted that the hand brake monitoring devices shown in the above three embodiments can be applied to a double-sided horizontal hand brake device, i.e., a scheme in which the hand brake force monitoring device is horizontally arranged, as shown in fig. 2 and 3, and can also be applied to an end vertical hand brake device, i.e., a scheme in which the hand brake force monitoring device is vertically (as shown in fig. 4) or obliquely arranged.
The embodiment of the utility model provides a through a railway freight car hand brake force monitoring devices, realize that hand brake output power carries out real-time supervision, digital display hand brake machine output power value, and can set for the standard value according to different hand brake machine output powers, whether the operating personnel of being convenient for judges hand brake output power when the operation reaches the parking braking requirement and whether stop the operation, in order to ensure the security of vehicle parking braking operation, the reliability, and cover railway freight car hand brake device's multiple function structure and mounting means, the suitability is strong, can popularize and apply to domestic and foreign railway freight car and hand brake device thereof.
The above embodiment is the preferred embodiment of the present invention, which is only used to facilitate the explanation of the present invention, it is not right to the present invention, which makes the limitation of any form, any of the commonly known people in the technical field, if the present invention does not depart from the technical features of the present invention, the present invention utilizes the present invention to make the equivalent embodiment of local change or modification, and does not depart from the technical features of the present invention, which all still belongs to the technical features of the present invention.
Claims (10)
1. A railway wagon hand braking force monitoring device is suitable for monitoring the input force of a hand brake of a railway wagon, wherein the hand brake comprises a hand brake chain and a brake lever, and the monitoring device comprises:
a digital display;
the brake lever is connected with the brake lever, and the digital display instrument is connected with the tension sensor.
2. The railway wagon hand braking force monitoring device as claimed in claim 1, wherein the first end of the tension sensor is connected with the hand brake chain through a first connecting member, the first connecting member comprises a clamping plate and a connecting plate, wherein:
the clamp plates are oppositely arranged, the end parts of the hand brake chain are arranged between the two clamp plates, the two clamp plates are connected with the hand brake chain through a first connecting pin, one ends, far away from the hand brake chain, of the two clamp plates are connected through a connecting plate, and the first end of the tension sensor is connected to the middle of the connecting plate.
3. The railway wagon hand braking force monitoring device as claimed in claim 2, wherein the first end of the tension sensor is screwed in the middle of the connecting plate.
4. The railway wagon hand braking force monitoring device as claimed in claim 1, wherein the second end of the tension sensor is connected with the brake lever through a second connecting member, the second connecting member comprising a connecting rod, a spherical sleeve and a second connecting pin, wherein:
the brake lever is characterized in that the connecting rod is provided with a first end and a second end which are opposite to each other along the axial direction of the connecting rod, the first end of the connecting rod is coaxially connected with the second end of the tension sensor, the second end of the connecting rod is provided with a through spherical cavity along the radial direction of the connecting rod, the spherical sleeve is movably arranged in the spherical cavity in a matched mode, the second connecting pin penetrates through the spherical sleeve along the radial direction of the connecting rod, the brake lever is provided with two connecting plates, and the two connecting plates are oppositely connected at two ends of the second connecting pin.
5. The railway wagon hand braking force monitoring device as claimed in claim 1, wherein a wiring port is formed in the tension sensor, the digital display is mounted on the wiring port of the tension sensor through a lead, and the lead is a telescopic spring lead.
6. The railway wagon hand braking force monitoring device as claimed in claim 1, wherein the digital display has two background interfaces, namely a red background interface and a green background interface.
7. The utility model provides a railway freight car hand brake force monitoring devices, is applicable to the monitoring of the input force of railway freight car's hand brake, hand brake includes hand brake chain, brake lever and movable pulley, the movable pulley setting is in the one end tip of brake lever, the one end of hand brake chain is connected on the hand brake, the other end of hand brake chain is walked around the movable pulley, the other end of hand brake chain is connected on the automobile body, its characterized in that, monitoring devices includes:
a digital display;
the pull sensor is provided with a first end and a second end which are opposite to each other along the axial direction of the pull sensor, the first end of the pull sensor is connected with the other end of the hand brake chain, the second end of the pull sensor is connected with the vehicle body, and the pull sensor is connected with the digital display instrument.
8. A railway wagon hand braking force monitoring device as claimed in claim 7, wherein the second end of the tension sensor is rotatably connected with the wagon body through a third connecting member.
9. The railway wagon hand braking force monitoring device of claim 8, wherein the third connecting member comprises an eye bolt and a connecting rivet, wherein:
the ring eye bolt is provided with a fixedly connected rod body and a ring shape, and the rod body of the ring eye bolt is in threaded connection with the second end of the tension sensor; the one end fixed connection of connecting the rivet is on the frame, the other end of connecting the rivet has cyclic annularly, the cyclic annularly of connecting the rivet with the cyclic annular of eye bolt sets up relatively, just, the cyclic annular of connecting the rivet with the cyclic annular of eye bolt passes through rotatable coupling.
10. A railway wagon, wherein the railway wagon hand braking force monitoring device is arranged on the railway wagon of any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020822649.2U CN212766256U (en) | 2020-05-18 | 2020-05-18 | Railway wagon hand braking force monitoring device and railway wagon |
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| CN202020822649.2U CN212766256U (en) | 2020-05-18 | 2020-05-18 | Railway wagon hand braking force monitoring device and railway wagon |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111439288A (en) * | 2020-05-18 | 2020-07-24 | 中车长江车辆有限公司 | Railway wagon hand braking force monitoring device and railway wagon |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111439288A (en) * | 2020-05-18 | 2020-07-24 | 中车长江车辆有限公司 | Railway wagon hand braking force monitoring device and railway wagon |
| CN111439288B (en) * | 2020-05-18 | 2024-07-16 | 中车长江车辆有限公司 | Railway wagon hand braking force monitoring device and railway wagon |
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