CN111439288A - 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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- CN111439288A CN111439288A CN202010417542.4A CN202010417542A CN111439288A CN 111439288 A CN111439288 A CN 111439288A CN 202010417542 A CN202010417542 A CN 202010417542A CN 111439288 A CN111439288 A CN 111439288A
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 45
- 125000004122 cyclic group Chemical group 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H13/00—Actuating rail vehicle brakes
- B61H13/02—Hand or other personal actuation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
- B60T17/228—Devices for monitoring or checking brake systems; Signal devices for railway vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
- G01L5/0033—Force sensors associated with force applying means applying a pulling force
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/28—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for testing brakes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Transportation (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Braking Arrangements (AREA)
Abstract
The invention belongs to the technical field of railway transportation, and particularly relates to a railway wagon hand braking force monitoring device and a railway wagon. 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 invention can monitor the hand braking force in real time and ensure that the hand braking force reaches the braking force value, thereby ensuring that the acting force loaded on the hand wheel can completely brake the vehicle, avoiding safety accidents such as slope slipping and the like, and improving the safety of the vehicle during braking.
Description
Technical Field
The invention belongs to the technical field of railway transportation, and particularly relates to a railway wagon hand braking force monitoring device and a railway wagon.
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 carrying out the present invention, the applicant has found that at least the following disadvantages exist 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.
Novel content
Aiming at the problems in the prior art, the invention provides a railway wagon hand braking force monitoring device and a railway wagon, which are used for monitoring hand braking force in real time and ensuring that the hand braking force reaches a braking force value, so that the technical problem of safety accidents such as slope slipping caused by the fact that a vehicle cannot be completely braked due to the fact that external force is too small in the prior art is solved.
The invention realizes the purpose through the following technical scheme:
the invention adopts a technical scheme that: 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 other technical scheme of the invention is as follows: 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.
In addition, the embodiment of the invention provides a railway wagon, which comprises the railway wagon hand braking force monitoring device.
The invention has the beneficial effects that:
the invention provides a railway wagon, which comprises a hand braking force monitoring device, wherein a first end of a tension sensor is connected with a hand brake chain, a second end of the tension sensor is connected with a brake lever or a wagon body, when the hand brake is operated by manpower, the pull sensor is arranged on the chain of the hand brake to generate pull force to the pull sensor, the pull sensor measures the pull force on the chain of the hand brake and converts the value into an electric signal to be transmitted to the digital display instrument, an operator observes the digital display instrument while operating the hand brake, when the pulling force value reaches the set value of the output force of the hand brake, the hand brake force can be judged to meet the requirement of parking brake, the operation can be stopped, the hand braking force can be monitored in real time, and the braking force value can be ensured to be reached, so that the vehicle can be completely braked by the action force loaded on the hand wheel, safety accidents such as slope slipping are avoided, and 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 introduced 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 based on these 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 clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a railway wagon, which comprises a railway wagon hand braking force monitoring device, so that hand braking force is monitored in real time, and the braking force value is ensured to be reached, and the technical problem that safety accidents such as slope slipping and the like are caused because a vehicle cannot be completely braked due to the fact that external force is too small in the prior art is solved.
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 digital display 1 of the embodiment of the invention is detachably mounted at the end or the side of a railway vehicle, such as a side beam 9 in fig. 1 and 2, by riveting or bolt connection and the like, and is used for displaying the output force of a hand brake and convenient for turnover, and the digital display can be provided with two background interfaces, namely a red background interface and a green background interface, when the displayed value does not reach the set value of the output force of the hand brake, the background of the interface is displayed in red, and when the set value of the output force of the hand brake is reached, the background of the interface is displayed in green, so that an operator can conveniently and visually and clearly read the output force value to judge whether the hand brake force meets the requirements of.
In addition, the power supply required by the digital display device 1 according to the embodiment of the present invention may be a small-capacity storage battery or solar power supply, and the set value of the output force of the hand brake is set to different standard values according to different models of hand brakes, which is not limited by the present invention.
Referring to fig. 1 and 2, a connection port is provided on the tension sensor 6 according to the embodiment of the present invention, and the digital display 1 is mounted on the connection port of the tension sensor 6 through the lead 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.
Referring to fig. 1 and 2, in the embodiment of the present invention, a first end of a tension sensor 6 is connected to a hand brake chain 10 through a first connecting member 7, the first connecting member 7 includes two clamping plates and a connecting plate, where the two clamping plates are arranged opposite to each other, an 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 a first connecting pin 8, the other end of the hand brake chain 10 is connected to a hand brake 11, ends of the two clamping plates, which are far away from the hand brake chain, are connected through the connecting plate, and a first end of the tension sensor 6 is connected to a middle portion 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.
Referring to fig. 1 and 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 connection member, the second connection member includes a connection rod 5, a spherical sleeve 3 and a second connection pin 4, wherein the connection rod 5 has a first end and a second end opposite to each other along an axial direction thereof, the first end of the connection rod 5 is coaxially connected to the second end of the tension sensor 6, the second end of the connection rod 6 is provided with a through spherical cavity along a radial direction of the connection rod 6, the spherical sleeve 3 is movably disposed in the spherical cavity, the second connection pin 4 penetrates the spherical sleeve 3 along the radial direction of the connection rod 5, and the brake lever 12 has two connection plates that are oppositely connected to two ends of the second connection pin 4 to achieve connection between the tension sensor 6 and the brake lever 12.
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 upper and lower ends of the spherical sleeve 3 of the embodiment of the present invention may be flat, and are coaxial with the connecting rod 5 in the radial and axial directions, and the height of the spherical sleeve is greater than that of the connecting rod 5, and when the spherical sleeve is connected with the brake lever 12, the upper and lower planes of the spherical sleeve 3 and the lever adopt a small clearance fit.
The second connecting pin 4 of the embodiment of the invention can realize horizontal swing between the brake lever 12 and the tension sensor 6 so as to adapt to actual operating conditions.
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 brake system and structure, the distance between the first connecting pin 8 and the second connecting pin 4 should be limited to a certain range 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 the second embodiment has a magnified brake magnification, the second end of the tension sensor 6 is connected with the brake lever 12 having the magnified brake magnification, the magnitude of the tension displayed by the digital display 1 is irrelevant to the magnification ratio of the brake magnification of the brake lever 12, and the specific connection mode refers to the first embodiment, which is not limited herein.
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.
Referring to fig. 4, in the embodiment of the present invention, the hand brake force monitoring device is connected in series between the connection end portions of the hand brake chain 14 and the car 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, and the second end of the tension sensor 6 is connected to the car body, so that not only can the output force value of the hand brake be accurately monitored, but also the installation position is not easily involved in the hand brake or the movable pulley.
Referring 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 connection element 7, so as to effectively compensate an angle formed when the hand brake chain moves.
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 rotatably connected to the vehicle body through other structures, and the embodiment of the present invention is not limited thereto.
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 tension value does not change due to the increase of the fixed pulley and the reversing, and the monitored tension value is unrelated 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 invention realizes real-time monitoring of the hand brake output force through the railway wagon hand brake force monitoring device, digitally displays the output force value of the hand brake, can set a standard value according to different hand brake output forces, is convenient for an operator to judge whether the hand brake output force meets the parking brake requirement or not and stops operating or not during operation so as to ensure the safety and reliability of vehicle parking brake operation, and covers various functional structures and installation modes of the railway wagon hand brake device, has strong applicability, and can be popularized and applied to railway wagons and hand brake devices thereof at home and abroad.
The above-mentioned embodiments are only for convenience of description of the invention, and are not intended to limit the invention in any way, and those skilled in the art will recognize that the invention can be practiced without departing from the spirit and scope of the 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010417542.4A CN111439288B (en) | 2020-05-18 | 2020-05-18 | Railway wagon hand braking force monitoring device and railway wagon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010417542.4A CN111439288B (en) | 2020-05-18 | 2020-05-18 | Railway wagon hand braking force monitoring device and railway wagon |
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| CN111439288A true CN111439288A (en) | 2020-07-24 |
| CN111439288B CN111439288B (en) | 2024-07-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112960011A (en) * | 2021-03-23 | 2021-06-15 | 太原中车时代轨道工程机械有限公司 | Hand braking alarm anti-slip device |
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| CN212766256U (en) * | 2020-05-18 | 2021-03-23 | 中车长江车辆有限公司 | Railway wagon hand braking force monitoring device and railway wagon |
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2020
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|---|---|---|---|---|
| GB191012634A (en) * | 1910-05-24 | 1911-05-18 | Louis George Stone | Improvements in Wheel Brakes for Railway Wagons and similar Vehicles. |
| CN204323387U (en) * | 2014-12-23 | 2015-05-13 | 太原轨道交通装备有限责任公司 | A kind of railway wagon hand brake device |
| CN208947332U (en) * | 2018-10-23 | 2019-06-07 | 严文慧 | Railway vehicle slide-stop device |
| CN212766256U (en) * | 2020-05-18 | 2021-03-23 | 中车长江车辆有限公司 | Railway wagon hand braking force monitoring device and railway wagon |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112960011A (en) * | 2021-03-23 | 2021-06-15 | 太原中车时代轨道工程机械有限公司 | Hand braking alarm anti-slip device |
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| CN111439288B (en) | 2024-07-16 |
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