阅读说明：本技术 铁路货车手制动力监测装置以及铁路货车 (Railway wagon hand braking force monitoring device and railway wagon ) 是由 任丽娟 黎巧能 林量才 徐勇 肖光毅 姜瑞金 曹志文 于 2020-05-18 设计创作，主要内容包括：本发明属于铁路运输技术领域,尤其涉及一种铁路货车手制动力监测装置以及铁路货车。其中的监测装置包括数字显示仪以及拉力传感器,所述拉力传感器沿其轴向具有相对的第一端和第二端,所述拉力传感器的第一端和手制动机链条连接,所述拉力传感器的第二端同制动杠杆或车体连接,所述数字显示仪和所述拉力传感器连接。本发明可实时监测手制动力并确保达到制动力值,从而可确保加载在手轮上的作用力能使车辆完全制动,避免造成溜坡等安全事故,提高车辆制动时的安全性。(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.)

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.

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:

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.