CN220500689U - Tread brake protection device - Google Patents

Abstract

The utility model belongs to the technical field of tread brakes, in particular to a tread brake protection device, which comprises a hollow cavity, wherein a trigger switch is arranged in the hollow cavity, a groove is formed in the other side of the hollow cavity, a metal block is slidably arranged in the groove, a trigger rod is arranged on one side of the metal block, a warning lamp is arranged on the top side of a shell, a storage battery is arranged on one side of the warning lamp, wheels are attached through a second friction plate, the second friction plate is subjected to friction force, when the second friction plate is worn to a certain extent, the metal block is exposed, if braking operation is performed again, the metal block is contacted with the wheels and is extruded, the metal block is not compressed by a compression spring after being extruded, and the trigger rod is extruded to the trigger switch, so that the trigger switch is opened, the warning lamp can give an alarm, and the utility model can immediately give out an alarm signal to remind a driver of the existence of a problem so as to reduce the risk of accidents.

Description

Tread brake protection device

Technical Field

The utility model relates to the technical field of tread brakes, in particular to a tread brake protection device.

Background

The tread braking is the brake shoe braking adopted by railway rolling stock, the brake shoe holds the wheel tread tightly during braking, the wheel stops rotating through friction, the performance of a braking system, including the temperature, the hydraulic pressure, the thickness of a braking plate and the like of the brake are required to be monitored in the using process of the brake, potential faults or problems are facilitated to be identified in advance, maintenance or adjustment measures are timely taken, and the good working state of the braking system is maintained, so that a protection device is required to be used.

The sensors in prior art protection device systems monitor the wear level of the brake pads and the sensors transmit data collected in real time to the control unit. The control unit analyzes the data to judge the abrasion condition of the friction plate, and when the friction plate is seriously abraded, the system can increase braking force to compensate abrasion and maintain proper braking performance, so that the failure protection function of the tread brake is realized.

However, the above-mentioned tread brake protection device still has some problems, because the brake is worn or damaged, the braking force provided by the brake will be weakened, so that the braking effect is poor or the brake cannot work normally, if the warning mechanism is not provided, enough braking force cannot be applied to slow down or stop the vehicle, the braking distance of the vehicle during braking is increased, and the situation that the obstacle or sudden stop cannot be avoided in time may be caused, and the risk of accident is increased; therefore, a tread brake protection device is proposed for the above-mentioned problems.

Disclosure of Invention

In order to overcome the defects in the prior art, the problems that the braking force provided by the brake is weakened due to abrasion or breakage of the brake, so that the braking effect is poor or the brake cannot work normally, and if an alarm mechanism is not provided, enough braking force cannot be applied to slow down or stop the vehicle, so that the braking distance of the vehicle during braking is increased, the situation that obstacles or sudden stop cannot be avoided in time and the risk of accidents is increased are solved.

The technical scheme adopted for solving the technical problems is as follows: the utility model discloses a tread brake protection device, which comprises a shell, wherein an alarm mechanism is arranged on one side of the shell, the alarm mechanism comprises a supporting plate, a sliding groove is formed in the supporting plate, a sliding block is arranged in the sliding groove in a sliding manner, a fastening bolt is rotatably arranged on one side of the supporting plate, one end of the fastening bolt penetrates through the supporting plate to extend into the supporting plate to be in threaded connection with the sliding block, a first friction plate is fixedly arranged on one side of the sliding block, a second friction plate is arranged on one side of the first friction plate, a hollow cavity is formed in the first friction plate, a compression spring is fixedly connected between two sides of the hollow cavity, a trigger switch is arranged in one side of the hollow cavity, a groove is formed in the other side of the hollow cavity, the groove penetrates through the first friction plate to extend into one side of the second friction plate, a metal block is arranged in a sliding manner, a warning lamp is arranged on the top side of the shell in a contact mode, a battery is assembled on one side of the warning lamp, a storage battery is fixedly connected with the second friction plate, a driver can detect the friction plate in a timely manner, and a driver can notice a problem in a situation of being detected when the driver is detected, and a driver is in a situation of a driver is aware of a proper running state, and an accident is detected.

Preferably, the top internally mounted of casing has driving motor, driving motor's output rotates installs the drive shaft, the one end of drive shaft rotates on the inner wall of the safe transshipment casing, the inside one side of bottom of casing is fixed with the sleeve, telescopic inside rigid coupling has extension spring, extension spring's one end rigid coupling has the piston, the piston activity sets up in telescopic inside, one side fixedly connected with ejector pin of piston, the drive is connected with the conveyer belt on the periphery between drive shaft and the ejector pin, has realized efficient force transmission and motion control, and this helps improving the work efficiency and the performance of stopper braking.

Preferably, a follow-up shaft transversely penetrates through one side of the shell in a sliding mode, two limiting rings are symmetrically sleeved and installed outside the shell from one end of the follow-up shaft, one end of the follow-up shaft is fixedly connected with the supporting plate, a connecting rod is movably connected between the limiting rings, one end of the connecting rod is connected with the follow-up shaft in a sliding mode, and accurate position control and flexible movement modes can be achieved.

Preferably, two mounting lugs are mounted at edges of two sides of one side of the shell, a rotating shaft is rotatably and penetratingly mounted between the two mounting lugs, the bottom end is rotatably connected with the other end of the connecting rod on an arc surface of the rotating shaft between the mounting lugs, and each component of the whole system can be mutually connected and realize coordinated movement, so that a more stable and reliable working environment is provided, the accuracy of the system is improved, and the system is ensured to effectively finish braking operation.

Preferably, the top the outside of installation ear is connected with the connecting plate through the axis of rotation cooperation rotation, the one end of connecting plate is all rotated through the axis of rotation cooperation and is set up in the both sides of backup pad, helps laminating the arc surface of wheel more, makes braking effect more high-efficient.

Preferably, the trigger switch, the warning lamp and the storage battery are electrically connected, reliable current transmission and signal transmission can be realized, good electrical connection among all the components is ensured, and circuit faults or electric energy loss caused by poor connection or looseness are reduced.

The utility model has the advantages that:

1. according to the utility model, when the supporting plate moves forwards, the second friction plate is attached to the wheels to brake the railway locomotive, as the railway locomotive is inevitably braked at high speed or braked frequently, the second friction plate is subjected to larger friction force and temperature, so that the abrasion of the second friction plate is aggravated, when the second friction plate is abraded to a certain extent, the metal block is exposed, if the braking operation is carried out again, the metal block is contacted with the wheels and extruded, the metal block is not compressed after being extruded, the metal block drives the trigger rod to move towards the trigger switch and can extrude the trigger switch to be opened, signals are conveyed into the warning lamp after the trigger switch is opened, the working state of the friction plate can be monitored, and an alarm signal can be immediately sent out once the abrasion of the friction plate is detected to a certain extent, so that a driver can notice the problem of the brake as early as possible, and appropriate measures are taken in time to reduce the risk of accidents;

2. according to the utility model, the driving motor is started to drive the driving shaft to rotate, the driving shaft can drive the conveying belt to rotate when the driving shaft rotates, the ejector rod can move towards the outside of the shell under the action of the conveying belt, the ejector rod always keeps linear motion through transmission, the ejector rod can drive the piston to slide outwards in the sleeve when moving forwards, meanwhile, the tension spring is stretched, the ejector rod can push the connecting rod, the connecting rod can drive the follow-up shaft, the follow-up shaft can drive the bottom end of the supporting plate to move towards the wheels, the supporting plate moves under the cooperation of the connecting plate and the rotating shaft, and finally pressure is applied to the wheels when the supporting plate moves, so that the structural design of brake-up action is finished, the accuracy of a system is improved, and the braking operation of the system can be effectively finished.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of a main structure;

FIG. 2 is a schematic diagram of an alarm assembly;

FIG. 3 is an enlarged schematic view of the portion A;

FIG. 4 is a schematic view of the internal structure of the housing;

fig. 5 is a schematic view of a connection assembly.

In the figure: 1. a housing; 2. a support plate; 3. a chute; 4. a slide block; 5. a fastening bolt; 6. a first friction plate; 7. a second friction plate; 8. a hollow cavity; 9. a compression spring; 10. triggering a switch; 11. a metal block; 12. a trigger lever; 13. a warning light; 14. a storage battery; 15. a driving motor; 16. a drive shaft; 17. a sleeve; 18. a tension spring; 19. a push rod; 20. a conveyor belt; 21. a follower shaft; 22. a limiting ring; 23. a connecting rod; 24. a mounting ear; 25. a rotating shaft; 26. a rotating shaft; 27. a connecting plate; 28. a groove; 29. and (3) a piston.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, a tread brake protection device comprises a housing 1, wherein an alarm mechanism is installed on one side of the housing 1, the alarm mechanism comprises a supporting plate 2, a sliding chute 3 is formed in the supporting plate 2, a sliding block 4 is slidably installed in the sliding chute 3, a fastening bolt 5 is rotatably installed on one side of the supporting plate 2, one end of the fastening bolt 5 penetrates through the supporting plate 2 to extend into the supporting plate to be in threaded connection with the sliding block 4, a first friction plate 6 is fixedly installed on one side of the sliding block 4, a second friction plate 7 is installed on one side of the first friction plate 6, a hollow cavity 8 is formed in the first friction plate 6, a compression spring 9 is fixedly connected between two sides of the hollow cavity 8, a trigger switch 10 is installed in one side of the hollow cavity 8, a groove 28 is formed in the other side of the hollow cavity 8, the groove 28 penetrates through the first friction plate 6 to extend into one side of the second friction plate 7, a metal block 11 is slidably installed in the groove 28, a trigger rod 12 is installed on one side of the metal block 11, a second friction plate 11 is installed on one side of the metal block 11, a warning lamp 14 is installed on the other side of the top of the housing 1, and a warning lamp 14 is installed on the other side of the top of the storage battery 1; when the brake works, the braking force provided by the brake is weakened due to abrasion or breakage, so that the braking effect is poor or the brake cannot work normally, if an alarm mechanism is not provided, enough braking force cannot be applied to slow down or stop the vehicle, the braking distance of the vehicle during braking is increased, the situation that obstacles or sudden stop cannot be avoided in time can be possibly caused, the risk of accidents is increased, when the support plate 2 moves forwards, the second friction plate 7 is attached to the wheels to perform braking operation, the second friction plate 7 is subjected to larger friction force and temperature due to the fact that the railway locomotive is inevitably braked at high speed or braked frequently, the abrasion of the second friction plate 7 is aggravated, when the second friction plate 7 is worn to a certain extent, the metal block 11 is exposed, and if the braking operation is performed again, the metal block 11 is contacted with the wheels, the metal block 11 is compressed without compressing the spring 9 after being compressed, the metal block 11 drives the trigger rod 12 to move towards the trigger switch 10, the trigger switch 10 is extruded to be opened, reliable current transmission and signal transmission can be realized due to the electric connection among the trigger switch 10, the warning lamp 13 and the storage battery 14, good electric connection among all parts is ensured, circuit faults or electric energy loss caused by poor connection or looseness is reduced, after the trigger switch 10 is opened, signals are conveyed into the warning lamp 13, the warning lamp 13 can give out an alarm, the working state of the friction plate can be monitored, an alarm signal can be immediately given once the friction plate is detected to be worn to a certain extent, a driver is reminded of noticing the existence of a problem, the driver is helped to perceive the problem of the brake as early as possible, appropriate measures are timely taken to reduce accident risk, further, the fixing of the sliding block 4 can be canceled through loosening the fastening bolt 5, and the sliding block 4 is taken out of the sliding groove 3, so that the first friction plate 6 and the second friction plate 7 can be replaced, and the first friction plate 6 is taken down together with the second friction plate because of abrasion of the metal block 11, and the influence on subsequent monitoring work is avoided.

Further, a driving motor 15 is internally mounted at the top end of the housing 1, a driving shaft 16 is rotatably mounted at the output end of the driving motor 15, one end of the driving shaft 16 is rotatably mounted on the inner wall of the rotary carrier housing 1, one side of the bottom end of the housing 1 is fixedly connected with a sleeve 17, an extension spring 18 is fixedly connected inside the sleeve 17, one end of the extension spring 18 is fixedly connected with a piston 29, the piston 29 is movably arranged inside the sleeve 17, one side of the piston 29 is fixedly connected with a push rod 19, a conveying belt 20 is in driving connection with the circumferential surface between the driving shaft 16 and the push rod 19, a follow-up shaft 21 transversely penetrates through one side of the housing 1 in a sliding manner, two limit rings 22 are symmetrically sleeved outside the housing 1, one end of the follow-up shaft 21 is fixedly connected with a support plate 2, a connecting rod 23 is movably connected between the limit rings 22, one end of the connecting rod 23 is slidably connected with the follow-up shaft 21, two mounting lugs 24 are respectively mounted at two side edges of the housing 1, one side of the connecting rod 24 is fixedly connected with a rotary shaft 25, two rotary shafts 25 are respectively connected with two rotary shafts 25 through two rotary connection plates 25, and two rotary connection plates 25 are respectively arranged at two sides of the rotary connection plates 25 and are matched with one end of the rotary connection plate 25; when in operation, the tread brake is the brake shoe brake adopted by railway rolling stock, the brake shoe holds the wheel tread tightly during the braking, the wheels stop rotating through friction, the brake needs to monitor the performance of a braking system in the use process, including the temperature, the hydraulic pressure, the thickness of a brake block and the like of the brake, which is helpful for identifying potential faults or problems in advance, timely taking maintenance or adjustment measures and keeping the good working state of the braking system, the tread brake needs to be connected with a power supply in the operation process, the driving motor 15 is started, the output end of the driving motor 15 rotates to drive the driving shaft 16 to rotate, the driving shaft 16 can drive the conveyor belt 20 to rotate, the ejector rod 19 can move to the outside of the shell 1 under the action of the conveyor belt 20, the ejector rod 19 always keeps rectilinear motion through transmission, the push rod 19 moves forwards and drives the piston 29 to slide outwards in the sleeve 17, meanwhile, the tension spring 18 is stretched, the push rod 19 pushes the connecting rod 23, the connecting rod 23 drives the follow-up shaft 21, the follow-up shaft 21 drives the bottom end of the support plate 2 to move towards the wheel, the support plate 2 moves under the cooperation of the connecting plate 27 and the rotating shaft 26, when moving, pressure is finally applied to the wheel, the brake is completed, the power supply is cut off, the driving motor 15 is powered off, the piston 29 is pulled back to the inside of the sleeve 17 under the action of the tension spring 18, the piston 29 drives the push rod 19 to move inwards of the shell 1, the push rod 19 is not contacted with the connecting rod 23, the follow-up shaft 21 pulls back the connecting rod 23, the support plate 2 is driven to move backwards, finally the wheel is separated, all components of the whole system can be connected with each other and realize coordinated movement, and more stable brake release is provided, A reliable working environment, which helps to improve the accuracy of the system and ensures that the system can perform braking operations efficiently.

The working principle is that the driving motor 15 is started to drive the driving shaft 16 to rotate by connecting a power supply, the driving shaft 16 can drive the conveying belt 20 to rotate when rotating, the ejector rod 19 can move towards the outside of the shell 1 under the action of the conveying belt 20, the ejector rod 19 always keeps rectilinear motion through transmission, the ejector rod 19 moves forwards and simultaneously drives the piston 29 to slide outwards in the sleeve 17, meanwhile, the tension spring 18 is stretched, the ejector rod 19 pushes the connecting rod 23, the connecting rod 23 can drive the follow-up shaft 21, the follow-up shaft 21 can drive the bottom end of the supporting plate 2 to move towards the wheels, the connecting plate 27 moves under the action of the matching of the connecting plate 27 and the rotating shaft 26, the supporting plate 2 finally applies pressure to the wheels when moving, the brake-on action is completed, the driving motor 15 is powered off after the power supply is cut off, the piston 29 is pulled back to the inside of the sleeve 17 under the action of the tension spring 18, the piston 29 drives the ejector rod 19 to move towards the inside of the shell 1, the ejector rod 19 is not contacted with the connecting rod 23, the follow-up shaft 21 pulls the connecting rod 23 back, so that the supporting plate 2 is driven to move backwards and finally separate from the wheels, the brake release action is completed, all components of the whole system can be connected with each other and realize coordinated movement, thus providing a more stable and reliable working environment, which is helpful for improving the accuracy of the system, ensuring that the system can effectively complete braking operation, reducing the braking force provided by the brake due to abrasion or breakage of the brake, causing poor braking effect or not working normally, not applying enough braking force to slow down or stop the vehicle without an alarm mechanism, increasing the braking distance of the vehicle during braking, possibly causing the situation that obstacles or sudden stops cannot be avoided in time, when the supporting plate 2 moves forwards, the second friction plate 7 is attached to the wheels to brake the railway locomotive, the railway locomotive is inevitably braked at high speed or braked frequently, the second friction plate 7 is subjected to larger friction force and temperature to cause the abrasion of the second friction plate 7 to be intensified, when the second friction plate 7 is abraded to a certain degree, the metal block 11 is exposed, if the braking operation is carried out again, the metal block 11 is contacted with the wheels and extruded, the metal block 11 is not compressed by the compression spring 9 after being extruded, the metal block 11 drives the trigger rod 12 to move towards the trigger switch 10 and extrude the trigger switch 10 to be opened, reliable current transmission and signal transmission can be realized due to the electric connection among the trigger switch 10, the warning lamp 13 and the storage battery 14, ensuring good electrical connection among all parts, reducing circuit faults or electric energy loss caused by poor connection or looseness, sending signals into a warning lamp 13 after a trigger switch 10 is opened, sending an alarm by the warning lamp 13 so as to monitor the working state of a friction plate, sending an alarm signal immediately once the friction plate is detected to be worn to a certain extent, reminding a driver of noticing the existence of a problem, helping the driver to perceive the problem of a brake as early as possible, taking appropriate measures in time so as to reduce accident risk, further, loosening a fastening bolt 5, canceling the fixation of a sliding block 4, taking the sliding block 4 out of a sliding groove 3, replacing a first friction plate 6 and a second friction plate 7, taking down the first friction plate 6 together with the metal block 11 because of the abrasion, avoiding affecting the subsequent monitoring work.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (6)

1. A tread brake protection device, characterized in that: the alarm mechanism comprises a shell (1), an alarm mechanism is arranged on one side of the shell (1), the alarm mechanism comprises a supporting plate (2), a sliding groove (3) is formed in the supporting plate (2), a sliding block (4) is arranged in the sliding groove (3) in a sliding manner, a fastening bolt (5) is rotatably arranged on one side of the supporting plate (2), one end of the fastening bolt (5) penetrates through the supporting plate (2) to extend into the supporting plate to be in threaded connection with the sliding block (4), a first friction plate (6) is fixedly arranged on one side of the sliding block (4), a second friction plate (7) is arranged on one side of the first friction plate (6), a hollow cavity (8) is formed in the inner portion of the first friction plate (6), a compression spring (9) is fixedly connected between two sides of the hollow cavity (8), a trigger switch (10) is arranged in one side of the hollow cavity (8), a groove (28) is formed in the other side of the hollow cavity (8), the groove (28) penetrates through the first friction plate (6) to extend into one side of the second friction plate (7), a second friction plate (11) is arranged in the inner side of the sliding block, a metal block (11) is arranged on the other side of the second friction plate (11), the warning lamp (13) is installed on the top side of the shell (1), a storage battery (14) is arranged on one side of the warning lamp (13), and the storage battery (14) is installed on the top side of the shell (1).

2. The tread brake protection device according to claim 1, wherein: the novel automatic transmission device is characterized in that a driving motor (15) is mounted inside the top end of the shell (1), a driving shaft (16) is rotatably mounted at the output end of the driving motor (15), one end of the driving shaft (16) is rotatably mounted on the inner wall of the transfer shell (1), a sleeve (17) is fixed on one side of the inside of the bottom end of the shell (1), an extension spring (18) is fixedly connected to the inside of the sleeve (17), a piston (29) is fixedly connected to one end of the extension spring (18), the piston (29) is movably arranged inside the sleeve (17), a push rod (19) is fixedly connected to one side of the piston (29), and a conveying belt (20) is connected to the circumferential surface between the driving shaft (16) and the push rod (19) in a driving mode.

3. The tread brake protection device according to claim 2, wherein: one side of the shell (1) is internally and transversely penetrated with a follow-up shaft (21) in a sliding manner, one end of the follow-up shaft (21) extends to the outside of the shell (1) and is symmetrically sleeved with two limiting rings (22), one end of the follow-up shaft (21) is fixedly connected with the supporting plate (2), a connecting rod (23) is movably connected between the limiting rings (22), and one end of the connecting rod (23) is in sliding connection with the follow-up shaft (21).

4. A tread brake protection device according to claim 3, wherein: two mounting lugs (24) are mounted at the edges of two sides of one side of the shell (1), a rotating shaft (25) is rotatably and penetratingly mounted between the two mounting lugs (24), and the arc surface of the rotating shaft (25) between the mounting lugs (24) at the bottom is rotatably connected with the other end of the connecting rod (23).

5. The tread brake protection device according to claim 4, wherein: the top the outside of installation ear (24) is connected with connecting plate (27) through axis of rotation (25) cooperation rotation, the one end of connecting plate (27) is through the equal rotation setting in both sides of backup pad (2) of pivot (26) cooperation.

6. The tread brake protection device according to claim 1, wherein: the trigger switch (10), the warning lamp (13) and the storage battery (14) are electrically connected.