阅读说明：本技术 一种列车制动用折角塞门 (Angle cock for train braking ) 是由 曾翠花 于 2021-07-22 设计创作，主要内容包括：本发明涉及制动装备技术领域,且公开了一种列车制动用折角塞门,包括塞体,所述塞体的一侧一体成型有上下方向设置的竖装体,所述塞体的内腔且与竖装体的配合交汇出固定套装有密封座。该列车制动用折角塞门,通过风扇在列车行驶过程中的气流带动转轴转动带动磁石盘转动,螺纹一切割磁石盘的磁场产生涡流生热,热量传导到塞板的顶部,气囊受热膨胀带动塞板下移,可将密封座的轴向通孔打开,完成列车在开车前忘记打开塞门时,能够自动打开,且导热杆下移带动凸块与制动槽配合,螺纹一与螺纹二啮合后,气囊降温后收缩后,导热杆被制动槽限位,在弹簧一的弹力作用下,塞板不会上升自动关闭,保证列车行车过程中塞门是能够保持开启的。(The invention relates to the technical field of braking equipment and discloses a folding angle cock for train braking, which comprises a cock body, wherein a vertical packing body arranged in the vertical direction is integrally formed on one side of the cock body, and a sealing seat is fixedly sleeved in an inner cavity of the cock body and matched with the vertical packing body in an intersection manner. This dog-ear cock for train braking, air current through the fan in the train driving process drives the pivot and rotates and drive the magnet dish and rotate, the vortex themogenesis is produced in the magnetic field of screw thread cutting magnet dish, heat conduction is to the top of cock board, the gasbag is heated the inflation and is driven the cock board and move down, can open the axial through-hole of seal receptacle, accomplish the train and forget before the start when opening the cock, can open automatically, and the heat conduction pole moves down and drives lug and braking groove cooperation, screw thread one and two meshing backs, shrink back after the gasbag cools down, the heat conduction pole is spacing by the brake groove, under the spring action of spring one, the cock board can not rise self-closing, guarantee that the train driving in-process cock can keep opening.)

1. The utility model provides a dog-ear cock for train braking, includes cock body (1), its characterized in that: one side of the plug body (1) is integrally formed with a vertical package body (2) which is arranged in the vertical direction, the inner cavity of the plug body (1) is matched with the vertical package body (2) to converge out and fixedly cover the vertical package body (3), a through hole is formed in the middle of the seal seat (3) in the axial direction and the vertical direction, a plug plate (4) is movably sleeved in the inner cavity of the vertical package body (2) and penetrates through a vertical through hole of the seal seat (3), an air bag (5) is fixedly arranged at the top of the inner cavity of the vertical package body (2) and is positioned on the upper surface of the plug plate (4), a heat conducting rod (6) is movably sleeved in the middle of the plug plate (4), the upper end of the heat conducting rod (6) penetrates through the air bag (5) and stretches out of the vertical package body (2) to be fixedly provided with a knob (7), a spring I (8) is fixedly arranged on the outer ring of the lower surface of the plug plate (4), an air groove (9) is transversely formed in the bottom end of the vertical package body (2), erect the lower part of dress body (2) and with the coaxial movable sleeve of heat conduction pole (6) be equipped with pivot (10), the lower extreme of pivot (10) just is located wind groove (9) endotheca and is equipped with fan (11), the top movable sleeve of pivot (10) is equipped with magnet dish (13), the integrated into one piece all around of the surface of magnet dish (13) has spacing flange (14), spacing flange (14) and pivot (10) cooperation restriction rotation.

2. The angle cock as defined in claim 1, wherein: the bottom contact cooperation of pivot (10) has return spring board (12), the fixed surface cover of heat conduction pole (6) lower extreme is equipped with lug (15), the surface of lug (15) is seted up screw thread one (16), the inner chamber of erecting dress body (2) lower part upwards is protruding and is seted up brake groove (17), the surface activity suit of part hole and knob (7) under spring one (8), screw thread two (18) are seted up to the internal surface of brake groove (17) upper portion.

3. The angle cock as defined in claim 1, wherein: the lower part of the plug plate (4) is a plate-shaped axial through hole for blocking the sealing seat (3), and the upper part of the plug plate (4) is a column-shaped axial through hole which can not block the sealing seat (3) completely.

4. The angle cock as defined in claim 1, wherein: the heat conducting rod (6) is of a stepped structure with the diameter being large at the top and small at the bottom, and the position where the lower part is matched with the plug plate (4) is limited by a limiting ring.

5. The angle cock as defined in claim 1, wherein: the elasticity of the first spring (8) is greater than the gravity of the plug plate (4) and the heat conducting rod (6).

6. The angle cock as defined in claim 2, wherein: the return spring plate (12) is provided with a pressure spring in a matching way, and the top end of the rotating shaft (10) extends out of the inner bottom surface of the braking groove (17).

7. The angle cock as defined in claim 1, wherein: the outer surface of the upper portion of the heat conducting rod (6) is provided with a spiral groove which is matched with the vertical installation body (2), the plug doors installed at the tail portions of the whole train need to be rotated, pulled up and rotated, and the other plug doors need to be rotated and pulled up when the train is parked.

Technical Field

The invention relates to the technical field of braking equipment, in particular to a folding angle cock for train braking.

Background

The braking function of the train is more and more important along with the continuous breakthrough of the train speed of the train, the existing train is provided with an air braking mechanism, compressed air is driven by a locomotive engine to be conveyed to a main pipe, a dog-ear plug door is installed at the tail part of each train, all the plugs except the last dog-ear plug door are required to be opened before the train is started, and air is injected into an air brake cylinder installed at a lower wheel of each carriage to brake.

The existing angle cock is provided with a handle which is riveted on the angle cock through a pin, a core pulling shaft can be driven to rotate through a rotating handle, a ball core is fixedly sleeved at the bottom of the core pulling shaft and is installed in an axial through cavity of a sealing seat in the cock body, a hole is formed in the middle of the ball core, and the opening and closing of the angle cock can be controlled through rotation.

The angle cock that has now is in the use, when the train parks the back, needs to close the angle cock behind every section carriage, carries out the pressurize braking, and most train, train pipe have very little leakage quantity, and the arrestment mechanism of wheel department is released and is pressed and is alleviated, leads to the train to start smoothly, and it does not know the angle cock and does not open, and this just leads to when the angle cock does not open, and the train just traveles, when braking, can't brake, causes the derailment to overturn easily.

Disclosure of Invention

The invention provides a folding angle cock for train braking, which has the advantage of automatically opening the folding angle cock in the running process of a train and solves the problem that a braking mechanism has no braking pressure due to forgetting to open the folding angle cock before driving.

The invention provides the following technical scheme: a dog-ear cock for train braking comprises a cock body, wherein a vertical packing body arranged in the vertical direction is integrally formed on one side of the cock body, a sealing seat is fixedly sleeved on an inner cavity of the cock body and matched with the vertical packing body in a converging manner, a through hole is formed in the middle of the sealing seat in the axial direction and the vertical direction, a cock plate is movably sleeved on the inner cavity of the vertical packing body and penetrates through the vertical through hole of the sealing seat, an air bag is fixedly arranged at the top of the inner cavity of the vertical packing body and is positioned on the upper surface of the cock plate, a heat conducting rod is movably sleeved on the middle of the cock plate, a knob is fixedly arranged at the upper end of the heat conducting rod and penetrates through the air bag and extends out of the vertical packing body, a first spring is fixedly arranged on the outer ring of the lower surface of the cock plate, an air groove is transversely formed in the bottom end of the vertical packing body, a rotating shaft is movably sleeved on the lower portion of the vertical packing body and is coaxial with the heat conducting rod, and a fan is sleeved on the lower end of the air groove, the top of the rotating shaft is movably sleeved with a magnet disc, the periphery of the outer surface of the magnet disc is integrally formed with a limiting convex plate, and the limiting convex plate is matched with the rotating shaft to limit rotation.

Preferably, the bottom of the rotating shaft is in contact fit with a return spring plate, a convex block is fixedly sleeved on the outer surface of the lower end of the heat conducting rod, a first thread is arranged on the outer surface of the convex block, a braking groove is formed in an upward protruding inner cavity of the lower part of the vertical assembly body, an inner hole of the lower part of the spring is movably sleeved with the outer surface of the knob, and a second thread is arranged on the inner surface of the upper part of the braking groove.

Preferably, the lower portion of the plug plate is a plate-shaped axial through hole for blocking the seal holder, and the upper portion of the plug plate is a column-shaped axial through hole for not completely blocking the seal holder.

Preferably, the heat conducting rod is of a stepped structure with a large diameter at the top and a small diameter at the bottom, and a limit ring is used for limiting the position where the lower part is matched with the plug plate.

Preferably, the elastic force of the first spring is greater than the gravity of the plug plate and the heat conducting rod.

Preferably, the return spring plate is provided with a pressure spring in a matching way, and the top end of the rotating shaft extends out of the inner bottom surface of the braking groove.

Preferably, the outer surface above the heat conducting rod is provided with a spiral groove matched with the vertical installation body, the plug doors installed at the tail parts of the whole train need to be rotated, pulled up and rotated, and the rest plug doors need to be rotated and pulled up when the train stops.

The invention has the following beneficial effects:

1. this dog-ear cock for train braking, air current through the fan in the train driving process drives the pivot and rotates and drive the magnet dish and rotate, the vortex themogenesis is produced in the magnetic field of screw thread cutting magnet dish, heat conduction is to the top of cock board, the gasbag is heated the inflation and is driven the cock board and move down, can open the axial through-hole of seal receptacle, accomplish the train and forget before the start when opening the cock, can open automatically, and the heat conduction pole moves down and drives lug and braking groove cooperation, screw thread one and two meshing backs, shrink back after the gasbag cools down, the heat conduction pole is spacing by the brake groove, under the spring action of spring one, the cock board can not rise self-closing, guarantee that the train driving in-process cock can keep opening.

2. This dog-ear cock is used in train braking, bottom surface in the braking groove is stretched out through the top of pivot, make the projecting shaft that the heat conduction pole pushed the magnet dish return back in the pivot, promote the pivot and move down compression return spring board, the reaction force of return spring board makes magnet dish upper surface and heat conduction pole bottom surface contact friction increase, have preliminary deceleration action to the pivot, under the lower surface of magnet dish and the extrusion of braking groove bottom surface contact, the pivot can brake the stall, prevent that the bottom surface wearing and tearing of magnet dish and heat conduction pole are serious, guarantee its life.

3. This dog-ear cock for train braking, the surface through the conducting rod top has been seted up the thread groove and has been erected the body cooperation, the cock at permutation rear of a vehicle portion installation, need rotate, go up the pull, rotatory process, all the other cocks need rotate and go up and pull two steps when parkking, make permutation rear of a vehicle cock when upwards pulling the conducting rod and driving the cock board and shift up and seal, need rotatory conducting rod, with conducting rod and perpendicular installation body screw-thread fit, prevent that afterbody cock from being opened by the rotatory drive of fan when going, cause gas to be released, air brake does not have brake force, guarantee to be responsible for on compressed gas can carry the stopper, guarantee the effective work of stopper.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 1 at C according to the present invention;

FIG. 5 is a schematic view of a downward movement structure of a stopper plate during train operation according to the present invention;

FIG. 6 is an enlarged view of the protrusion and the second thread at D in FIG. 5 according to the present invention.

In the figure: 1. a plug body; 2. vertically mounting the body; 3. a sealing seat; 4. a plug plate; 5. an air bag; 6. a heat conducting rod; 7. a knob; 8. a first spring; 9. an air duct; 10. a rotating shaft; 11. a fan; 12. a return spring plate; 13. a magnet disk; 14. a limiting convex plate; 15. a bump; 16. a first thread; 17. a brake groove; 18. and a second thread.

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.

Referring to fig. 1-6, a folding angle cock for train braking comprises a cock body 1, a vertical installation body 2 arranged in the vertical direction is integrally formed on one side of the cock body 1, a sealing seat 3 is fixedly sleeved on an inner cavity of the cock body 1 and matched with the vertical installation body 2, a through hole is axially and vertically formed in the middle of the sealing seat 3, a cock plate 4 is movably sleeved on the vertical through hole of the vertical installation body 2 and penetrates through the sealing seat 3, the lower part of the cock plate 4 is a plate-shaped axial through hole for blocking the sealing seat 3, the upper part of the cock plate 4 is a columnar structure which can not completely block the axial through hole of the sealing seat 3, compressed air can pass through the axial through hole of the sealing seat 3 after the cock plate 4 moves downwards, an air bag 5 is fixedly installed on the top of the inner cavity of the vertical installation body 2 and positioned on the upper surface of the cock plate 4, a heat conducting rod 6 is movably sleeved on the middle of the cock plate 4, the heat conducting rod 6 is of a stepped structure with a large diameter and a small diameter, and the lower part is limited by a limit ring at the matching part with the plug plate 4, so that the heat conducting rod 6 and the plug plate 4 can be matched and rotate, but the heat conducting rod 6 cannot fall under the action of gravity, the heat conducting rod 6 is ensured to move by means of the expansion of the air bag 5 to drive the plug plate 4 to move, so as to drive the heat conducting rod 6 to move downwards, the magnetic disk 13 is driven to move downwards to the bottom to be pressed and braked, the heat conducting rod 6 is prevented from falling under the action of gravity to press the magnetic disk 13, so that the fan 11 cannot rotate under the action of air flow and cannot be automatically opened, the automatic opening effect in the driving process of the equipment is ensured, the upper end of the heat conducting rod 6 penetrates through the air bag 5 and extends out of the vertical installation body 2 to be fixedly provided with the knob 7, the outer ring of the lower surface of the plug plate 4 is fixedly provided with the spring I8, the elasticity of the spring I is greater than the gravity of the plug plate 4 and the heat conducting rod 6, so that after the heat conducting rod 6 is manually pulled to drive the plug plate 4 to overcome the sealing clamping force and rise, the first spring 8 has a supporting function, the plug plate 4 is prevented from moving downwards due to long-time suspension under the action of gravity and being opened, the problem that the whole air brake system fails due to the opening of the tail of a train is solved, the effective work of the brake system is guaranteed, the bottom end of the vertical installation body 2 is transversely provided with an air groove 9, the lower portion of the vertical installation body 2 is coaxially and movably sleeved with a rotating shaft 10 with the heat conducting rod 6, the lower end of the rotating shaft 10 is sleeved with a fan 11 in the air groove 9, the bottom of the rotating shaft 10 is in contact fit with a return spring plate 12, the return spring plate 12 is in fit with a pressure spring, the top end of the rotating shaft 10 extends out of the inner bottom surface of a brake groove 17, after the heat conducting rod 6 pushes an extending shaft of a magnet disc 13 to retract into the rotating shaft 10, the rotating shaft 10 is pushed to move downwards to compress the return spring plate 12, the contact friction between the upper surface of the magnet disc, under the contact extrusion of the lower surface of the magnet disc 13 and the inner bottom surface of the braking groove 17, the rotating shaft 10 can brake to stop rotating, so as to prevent the magnet disc 13 and the bottom surface of the heat conducting rod 6 from being seriously abraded and ensure the service life of the magnet disc, the top movable sleeve of the rotating shaft 10 is provided with the magnet disc 13, the periphery of the outer surface of the magnet disc 13 is integrally formed with a limiting convex plate 14, the limiting convex plate 14 is matched with the rotating shaft 10 to limit rotating, the outer surface of the lower end of the heat conducting rod 6 is fixedly sleeved with a convex block 15, the outer surface of the convex block 15 is provided with a first thread 16, the inner cavity of the lower part of the vertical installation body 2 is upwards protruded with the braking groove 17, the inner hole of the lower part of the spring 8 is movably sleeved with the outer surface of the knob 7, the inner surface of the upper part of the braking groove 17 is provided with a second thread 18, the outer surface of the upper part of the heat conducting rod 6 is provided with a spiral groove matched with the vertical installation body 2, and a plug door arranged at the tail part of the whole train needs to rotate, pull up and pull, Rotatory process, all the other cock need rotate and pull up two steps when parkking for whole train rear of a vehicle cock need rotate heat conduction pole 6 when upwards pulling up heat conduction pole drive cock slab 4 shifts up and seal, with heat conduction pole 6 and perpendicular 2 screw-thread fit of dress, prevent that afterbody cock from being opened by the rotatory drive of fan 11 when going, cause gas to be released, and air brake does not have braking force, guarantees braking system's effective work.

The working principle of the angle cock of the invention is as follows:

the angle cock is arranged at the tail part of each carriage, when the angle cock at the tail part of the whole train is pulled upwards and closed, the heat conducting rod 6 and the vertical installation body 2 need to be matched and fixed once rotating, the angle cock cannot move under the rotation of the magnet disc 13, other angle cocks only need to be pulled upwards and sealed, when the angle cock is not opened before the train is driven, high-speed airflow generated by the train driving blows to the fan 11 through the air groove 9, so that the fan 11 rotates to drive the rotating shaft 10 and the magnet disc 13 to rotate, the heat conducting rod 6 cuts the magnetic field of the magnet disc 13, eddy current is generated in the heat conducting rod 6, the heat is conducted to the upper part, so that the air bag 5 absorbs heat and expands to push the cock plate 4 to move downwards, the heat conducting rod 6 is contacted with the magnet disc 13 to start to rotate, the cock plate 4 drives the heat conducting rod 6 to descend to the lug 15 to be matched with the brake groove 17, the rotation of the heat conducting rod 6 enables the first thread 16 to be matched with the second thread 18, the upper surface of the magnet disc 13 is pushed by the heat conducting rod 6, the lower surface of the magnet disc 13 is limited by the knob 7, the pressing force between the magnet disc 13 and the heat conducting rod 6 is increased by the reaction force of the return spring plate 12, so that the magnet disc 13 is braked, the fan 11 does not rotate any more, the air bag 5 is cooled and contracted, after a train stops, the heat conducting rod 6 can be turned over to separate the bump 15 from the brake groove 17, and then the heat conducting rod is pulled upwards to match the lower part of the plug plate 4 with the sealing seat 3 to seal and block a channel.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.