阅读说明：本技术 一种运煤敞车车厢车底防冻结装置 (Anti-freezing device for bottom of carriage of coal-transporting gondola car ) 是由 不公告发明人 于 2020-12-25 设计创作，主要内容包括：本发明一种运煤敞车车厢车底防冻结装置公开了一种通过凸轮抵撑支撑底板产生上下振动,配合活塞上下移动使得气囊进行鼓胀和收缩,以此反复将支撑底板上冻粘的煤矿振动脱落的防冻结装置,其特征在于多个限位板等距置于固定底座上,相邻的两个所述限位板形成空腔,所述限位板的中部开有让位槽,多个连接轴置于固定座上,所述连接轴对应位于空腔内部,所述连接轴的中部置有传动齿轮,多个所述传动齿轮通过传动链条相连接,且形成传动关系,所述传动链条位于让位槽内部,一组凸轮置于连接轴上,一组所述凸轮由至少四个凸轮组成,同组所述凸轮偏转角度相同,多组所述凸轮的偏转角度递增。(The invention discloses an anti-freezing device for the bottom of a carriage of a coal-carrying gondola car, which resists a supporting bottom plate by a cam to generate up-and-down vibration and is matched with a piston to move up and down to ensure that an air bag expands and contracts so as to repeatedly vibrate and fall off a coal mine frozen and stuck on the supporting bottom plate, it is characterized in that a plurality of limit plates are equidistantly arranged on a fixed base, two adjacent limit plates form a cavity, the middle part of the limiting plate is provided with a abdicating groove, a plurality of connecting shafts are arranged on the fixed seat, the connecting shafts are correspondingly positioned in the cavity, a transmission gear is arranged in the middle of the connecting shaft, a plurality of transmission gears are connected through a transmission chain, and a transmission relation is formed, the transmission chain is positioned in the abdicating groove, one group of cams are arranged on the connecting shaft, one group of cams comprise at least four cams, the deflection angles of the cams in the same group are the same, and the deflection angles of the cams in multiple groups are increased progressively.)

1. The utility model provides a fortune coal gondola car carriage vehicle bottom freeze-proof device which characterized by: the air bag type air bag device is composed of a fixed base, limiting plates, a supporting bottom plate, connecting shafts, cams, pressing blocks, supporting springs, side baffles, an air ventilation channel, an air bag, an air pressure cavity, a piston, a reset spring, a transmission gear, transmission chains and a abdicating groove, wherein the limiting plates are arranged on the fixed base in an equidistance mode, the adjacent two limiting plates form a cavity, the abdicating groove is formed in the middle of each limiting plate, the connecting shafts are arranged on the fixed base and are correspondingly positioned in the cavity, the transmission gear is arranged in the middle of each connecting shaft and is connected through the transmission chains to form a transmission relation, the transmission chains are positioned in the abdicating groove, one set of cams are arranged on the connecting shafts, the supporting bottom plate is arranged on the fixed base through the supporting springs and is suspended on the cavity, the two side baffles are respectively arranged on, the recess extends to the other end from the one end of supporting baseplate, and the briquetting is corresponding to be arranged in inside the recess, be provided with reset spring between briquetting and the recess tank bottom, the briquetting supports with the corresponding support of organizing the cam, supporting baseplate's inside is opened there is the atmospheric pressure chamber, the atmospheric pressure chamber extends to the other end from supporting baseplate's one end, and the atmospheric pressure intracavity portion is arranged in to the piston correspondence, piston and briquetting are connected through a plurality of connecting rods, and the top of supporting baseplate is arranged in to a plurality of gasbags, the gasbag extends to the other end from supporting baseplate's one end, gasbag and atmospheric pressure chamber are linked together through the passageway of ventilating, adjacent two the side baffle is laminated.

2. The device of claim 1, wherein the cam is used for supporting the support bottom plate to generate up-and-down vibration, and the piston is matched with the up-and-down movement of the piston to expand and contract the air bag, so that the frozen coal mine on the support bottom plate is vibrated and fallen off repeatedly.

3. The device of claim 2, wherein one set of said cams comprises at least four cams, and the deflection angles of said cams in the same set are the same.

4. The device of claim 3, wherein the deflection angles of the plurality of groups of cams are increased progressively.

5. The device of claim 1, wherein two adjacent side baffles are attached to each other, so that a gap between two adjacent side baffles can be avoided, and coal mine residues can be prevented from falling into the side baffles to influence the relative movement between the side baffles.

6. The device of claim 1, wherein the air bag is a hemispherical air bag.

7. The device of claim 6, wherein the air bags are in line contact with the frozen coal mine from surface contact, and the length of the ventilation channel corresponding to each air bag is different, so that the air bags are inflated in different time, and the frozen coal mine can be gradually vibrated and supported.

8. The device for preventing bottom freezing of a compartment of a coal gondola car as claimed in claim 1, wherein a sealing gasket is disposed on the pressing block.

9. The device of claim 1, wherein the connecting shaft, the cam and the supporting base plate are designed in a matched manner, when in use, the cam rotates eccentrically to support the supporting base plate, so that the supporting base plate moves up and down against the elastic stress of the supporting spring, and as deflection angles of the plurality of groups of cams are increased progressively by 72 degrees, the plurality of supporting base plates move in a staggered manner to vibrate and freeze the frozen coal mine at the top of the supporting base plate.

10. The device of claim 9, wherein the cam, the pressing block, the piston and the air bag are designed to cooperate, such that the pressing block is supported by the cam during rotation, the pressing block moves towards the inside of the groove against the elastic stress of the return spring, the piston is driven by the connecting rod to move inside the air pressure chamber, air inside the air pressure chamber is pressed into the air bag through the ventilation channel, the air bag expands, the pressing block resets under the drive of the return spring when the cam continues to rotate, the air inside the air bag returns to the inside of the air pressure chamber again, and the air bag collapses, so as to vibrate and fall off a frozen coal mine on the top of the supporting base plate.

Technical Field

The invention discloses a device for preventing coal gondola car carriage bottom from freezing, relates to a device capable of preventing the bottom of a coal gondola car carriage from freezing, and belongs to the technical field of coking coal dumping equipment. In particular to an anti-freezing device which is used for supporting a supporting bottom plate through a cam to generate vertical vibration and is matched with a piston to move up and down to enable an air bag to expand and contract so as to repeatedly vibrate and fall off a coal mine frozen and stuck on the supporting bottom plate.

Background

At present, in order to avoid four of the coal dust in the gondola car carriage of fortune coal train to raise, generally can carry out the spraying watering to the coal mine in the gondola car, and because winter temperature is generally low on the low side, lead to the bottom of fortune coal train gondola car carriage to produce the coal cinder and freeze the phenomenon easily, cause the coal cinder to glue and condense at the railway carriage bottom, make when unloading the coal, near the coal mine of vehicle bottom can't normally drop, influence the work of unloading the coal, and traditionally need operating personnel to utilize the excavator clearance usually, or artifical hammering with pneumatic pick and spade and smash the frozen piece, consuming time and power, crushing efficiency is lower, and notice number CN208594787U discloses the canopy that unfreezes of a train gondola car carriage among the prior art, technical scheme is: the colored steel tiles are built on two sides and above of a train track, the colored steel tiles on one side of the train track are fixed on a stand column basis, a hanging curtain is arranged between the colored steel tiles on the other side of the train track and the ground where the train track is located, the colored steel tiles and the hanging curtain built on the two sides and above of the train track form a thawing shed, a plurality of steam pipelines are arranged in the thawing shed, a plurality of steam spray heads connected with the steam pipelines are arranged on the two sides of the train track in the thawing shed, the air injection direction of the steam spray heads faces towards the train side and the train bottom of the train, but the steam type thawing mode can cause the influence on the subsequent treatment due to overhigh moisture content in a coal mine, and can reserve a large amount of water vapor at the bottom plate of the carriage after thawing, so that thawed coal blocks need to be immediately dumped, and secondary freezing after.

Disclosure of Invention

In order to improve the situation, the invention provides an anti-freezing device for the bottom of a carriage of a coal gondola car, which is used for repeatedly vibrating and dropping a coal mine frozen and sticky on a supporting bottom plate by supporting the supporting bottom plate through a cam to generate vertical vibration and matching with the vertical movement of a piston to enable an air bag to expand and contract.

The invention relates to a device for preventing coal gondola car carriage from freezing at the bottom of the car, which is realized as follows: the invention relates to a coal gondola car carriage bottom anti-freezing device which comprises a fixed base, limiting plates, a supporting bottom plate, connecting shafts, cams, a pressing block, a supporting spring, side baffles, a ventilation channel, an air bag, a pneumatic cavity, a piston, a return spring, a transmission gear, a transmission chain and a abdication groove, wherein a plurality of limiting plates are equidistantly arranged on the fixed base, a cavity is formed by two adjacent limiting plates, the abdication groove is formed in the middle of each limiting plate, the connecting shafts are arranged on the fixed base, the connecting shafts are correspondingly positioned in the cavity, the transmission gear is arranged in the middle of each connecting shaft and connected through the transmission chain to form a transmission relationship, the transmission chain is positioned in the abdication groove, one group of cams is arranged on the connecting shaft, one group of cams comprises at least four cams, the cams in the same group have the same angle, and the deflection angles of a plurality of groups of cams, the supporting base plate is arranged on the fixed base through a supporting spring and is suspended on the cavity, the two side baffles are respectively arranged on two sides of the supporting base plate, a groove is formed in the bottom of the supporting base plate, the groove extends from one end of the supporting base plate to the other end, the pressing block is correspondingly arranged in the groove, a reset spring is arranged between the pressing block and the bottom of the groove, the pressing block and the cam in the same group are correspondingly supported, a pneumatic cavity is formed in the supporting base plate, the pneumatic cavity extends from one end of the supporting base plate to the other end, the piston is correspondingly arranged in the pneumatic cavity, the piston and the pressing block are connected through a plurality of connecting rods, a plurality of air bags are arranged on the top of the supporting base plate, the air bags extend from one end of the supporting base plate to the other end, the air bags are communicated with the pneumatic cavity through a ventilation channel, a, the air bag is a hemispherical air bag.

Has the beneficial effects.

Firstly, the vehicle bottom can be vibrated and unfrozen after coal is frozen, and the frozen and stuck coal blocks are vibrated and scattered, so that time and labor are saved.

And secondly, the frozen and sticky coal mine and the bottom plate can be subjected to tremble separation, and secondary freezing caused by water vapor is avoided.

And thirdly, the vibration coal cleaning can be assisted when the coal is turned over, and the coal mine is prevented from remaining at the bottom of the carriage.

Fourthly, the structure is simple, and the device is convenient and practical.

Fifthly, the cost is low, and the popularization is convenient.

Drawings

FIG. 1 is a schematic structural diagram of a device for preventing coal gondola car carriage bottom from freezing;

FIG. 2 is a schematic structural diagram of a support bottom plate of an anti-freezing device at the bottom of a compartment of a coal gondola car;

FIG. 3 is a perspective view of the bottom anti-freezing device supporting bottom plate of the compartment of the coal gondola car of the present invention, which shows only the transmission structure at the bottom of a single supporting bottom plate;

FIG. 4 is a three-dimensional structure diagram of a bottom anti-freezing device fixing base of a compartment of a coal gondola car.

In the attached drawings

Wherein the method comprises the following steps: the air-permeable carriage comprises a carriage bottom (1), a fixed base (2), a limiting plate (3), a supporting bottom plate (4), a connecting shaft (5), a cam (6), a pressing block (7), a supporting spring (8), a side baffle (9), an air vent channel (10), an air bag (11), an air pressure cavity (12), a piston (13), a reset spring (14), a transmission gear (15), a transmission chain (16) and a abdicating groove (17).

The specific implementation mode is as follows:

the invention relates to a device for preventing coal gondola car carriage from freezing at the bottom of the car, which is realized as follows: the invention relates to a coal gondola car carriage bottom anti-freezing device which comprises a fixed base (2), limiting plates (3), a supporting bottom plate (4), a connecting shaft (5), a cam (6), a pressing block (7), a supporting spring (8), a side baffle (9), an air channel (10), an air bag (11), an air pressure cavity (12), a piston (13), a reset spring (14), a transmission gear (15), a transmission chain (16) and a abdicating groove (17), wherein a plurality of limiting plates (3) are equidistantly arranged on the fixed base (2), the adjacent two limiting plates (3) form a cavity, the middle parts of the limiting plates (3) are provided with abdicating grooves (17), a plurality of connecting shafts (5) are arranged on the fixed base, the connecting shafts (5) are correspondingly positioned in the cavity, the transmission gear (15) is arranged in the middle parts of the connecting shafts (5), and the plurality of transmission gears (15) are connected through the transmission chain (16), and form the transmission relation, drive chain (16) are located and abdicate inside groove (17), and on connecting axle (5) was arranged in to a set of cam (6), a set of cam (6) comprise four at least cams (6), with organizing cam (6) deflection angle the same, the multiunit deflection angle of cam (6) increases progressively, and unable adjustment base (2) is arranged in through supporting spring (8) to supporting baseplate (4), and on the suspension cavity, the both sides of supporting baseplate (4) are arranged respectively in to two side dams (9), open the bottom of supporting baseplate (4) has the recess, the recess extends to the other end from the one end of supporting baseplate (4), inside recess is arranged in to briquetting (7) correspondence, be provided with reset spring (14) between briquetting (7) and the recess tank bottom, briquetting (7) and with organizing cam (6) corresponding support, the air pressure cavity (12) is formed in the supporting base plate (4), the air pressure cavity (12) extends from one end of the supporting base plate (4) to the other end of the supporting base plate, the piston (13) is correspondingly arranged in the air pressure cavity (12), the piston (13) is connected with the pressing block (7) through a plurality of connecting rods, a plurality of air bags (11) are arranged at the top of the supporting base plate (4), the air bags (11) extend from one end of the supporting base plate (4) to the other end of the supporting base plate, the air bags (11) are communicated with the air pressure cavity (12) through a ventilation channel (10), a sealing gasket is arranged on the pressing block (7), two adjacent side baffles (9) are attached to each other, and the air bags (11) are hemispherical air bags (11);

when the coal dust collector is used, the fixed base (2) is arranged at the bottom (1) of the carriage of the open wagon as the bottom plate of the open wagon, when coal at the bottom (1) of the carriage is frozen and stuck on the supporting bottom plate (4), the external driving device is connected with the connecting shafts (5) to enable the connecting shafts (5) to rotate, as each group of connecting shafts (5) are driven by the transmission gear (15) and the transmission chain (16), the multiple groups of connecting shafts (5) rotate simultaneously to drive the cams (6) on the connecting shafts (5) to rotate, the cams (6) rotate to support the bottom of the supporting bottom plate (4) to enable the supporting bottom plate to vibrate up and down, and meanwhile, when the cams (6) support the supporting bottom plate (4) to touch the pressing block (7) to contract simultaneously, so that the piston (13) connected with one end of the pressing block (7) extrudes, and extrudes gas in the gas pressure cavity (12) to the gas bag (11), so that the air bags (11) on the surface of the supporting bottom plate (4) are expanded from a flat and flat state, and the frozen and stuck coal mine on the supporting bottom plate (4) is repeatedly vibrated and dropped;

the design that one group of cams (6) consists of at least four cams (6) can increase the supporting force of the cams (6) on the supporting bottom plate (4) by increasing the number of the cams (6), and meanwhile, the cams (6) in the same group are distributed at equal intervals, so that the supporting bottom plate (4) is stressed uniformly, and the supporting bottom plate (4) is prevented from deviating;

because the size of the coal mine residues is small, the coal mine residues are easy to fall into a gap between the adjacent side baffles (9) in the transportation process, and then are frozen on the side walls of the side baffles (9) to bond the adjacent side baffles (9), in the invention, the adjacent two side baffles (9) are attached to each other, so that a gap can be prevented from being left between the adjacent two side baffles (9), and the coal mine residues fall into the side baffles to influence the relative motion between the side baffles (9);

the design that the deflection angles of the multiple groups of cams (6) are increased progressively can enable the supporting bottom plates (4) corresponding to the multiple groups of cams (6) to form relative motion, so that the bonded coal mine is vibrated in different amplitudes to separate the bonded coal mine from the bonded coal mine;

the air bags (11) are hemispherical air bags (11), so that the air bags (11) are in line contact with the frozen coal mine from surface contact, and the length of the ventilation channel (10) corresponding to each air bag (11) is different, so that the swelling time of the air bags (11) is different, and the frozen coal mine can be vibrated and supported gradually;

the connecting shaft (5), the cams (6) and the supporting base plates (4) are designed in a matched mode, when the coal mine freezing and freezing device is used, the cams (6) rotate eccentrically to support the supporting base plates (4), the supporting base plates (4) move up and down by overcoming elastic stress of the supporting springs (8), and deflection angles of the multiple groups of cams (6) are increased progressively by 72 degrees, so that the multiple supporting base plates (4) move in a staggered mode, and the frozen coal mine at the tops of the supporting base plates (4) is vibrated and frozen;

the design that the cam (6), the pressing block (7), the piston (13) and the air bag (11) are matched is adopted, when the coal mine support device is used, the cam (6) supports the pressing block (7) when rotating, so that the pressing block (7) moves towards the inside of the groove by overcoming the elastic stress of the return spring (14), meanwhile, the piston (13) is driven by the connecting rod to move inside the air pressure cavity (12), air inside the air pressure cavity (12) is pressed into the air bag (11) through the ventilation channel (10), the air bag (11) is expanded, when the cam (6) continues to rotate, the pressing block (7) is reset under the driving of the return spring (14), so that air inside the air bag (11) returns to the inside of the air pressure cavity (12), and the air bag (11) is flat and shriveled, so that a frozen coal mine on the top of the support base plate (4) is vibrated to fall off;

the aim of repeatedly vibrating and falling the frozen and sticky coal mine on the supporting bottom plate (4) is fulfilled by abutting against the supporting bottom plate (4) through the cam (6) to generate vertical vibration and matching with the piston (13) to move up and down to enable the air bag (11) to expand and contract.