CN212637486U - Large-volume railway tank car with heating function - Google Patents
Large-volume railway tank car with heating function Download PDFInfo
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- CN212637486U CN212637486U CN202022108559.XU CN202022108559U CN212637486U CN 212637486 U CN212637486 U CN 212637486U CN 202022108559 U CN202022108559 U CN 202022108559U CN 212637486 U CN212637486 U CN 212637486U
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Abstract
The utility model relates to a railway tank car, in order to solve the problems that the outside of the sleeper beam of the existing railway tank car without a centre sill can not be effectively heated and the tank car is difficult to be matched with the existing ground handling facilities, the utility model provides a large-volume railway tank car with heating function, the outside of the lower part of the tank body is provided with a heating sleeve, the top is provided with a plurality of manholes and at least two breathing type safety valves, and the arrangement positions of the manholes correspond to the ground handling facilities; a side ladder is arranged on the side surface of the tank body close to the head of the vehicle body; the heating sleeve comprises a bottom heating shell, two side heating shells and a plurality of outer pillow heating shells; the bottom heating shell is connected with the bottom of the tank body in a closed manner to form a bottom heating cavity, and a condensed water outlet is formed in the middle of the bottom heating shell; the middle part of each side heating shell is provided with an annular drainage piece which divides the side heating cavity into two independent heating sub-cavities; the plurality of pillow outer heating shells are respectively arranged outside each heating sub-cavity and are in closed connection with the pillow outer parts of the tank bodies.
Description
Technical Field
The utility model relates to a tank car with heating function, concretely relates to big volume no center sill tank car with heating function.
Background
Chemical products are various in types, have large physical property difference, and have different requirements on transportation, loading and unloading, so that different vehicle types are required to be matched with the chemical products. When the shipping medium has a high freezing point and a high viscosity, the tank car needs to be heated and unloaded, and the tank car needs to be provided with a heating device, but the existing tank car with the heating device is mainly special for a special car, only can load and unload media with similar physical properties, has low universality and has limited tank volume. In order to further improve the economy, the usability and the operability of the transportation of the railway tank car, the large-volume general chemical railway tank car with the heating function is developed, the volume of a tank body is improved, more media can be transported, and a plurality of problems are brought, particularly:
(1) the current outer heating structure adopts outer heating cover structural style, supports through the hoop, will heat the cover and fall into a plurality of cavities, through the aperture UNICOM on the hoop supports between the cavity, steam free flow during the heating, heating area can not effectively be utilized, and heating efficiency is not high. Particularly, for the tank car without the center sill, due to structural limitation, the heating sleeve is not arranged on the outer side of the sleeper beam, and the outer side of the sleeper beam cannot be effectively heated.
(2) The loading and unloading of the railway tank cars are carried out by fluid loading and unloading arms or similar devices, each loading and unloading line is usually provided with a plurality of sets of loading and unloading devices, the interval is usually 12 meters, and the loading and unloading can be carried out simultaneously or partially simultaneously after the train of railway tank cars enters the loading and unloading line. Along with the continuous increase of the tank body volume and the load of the railway tank car, the length of the tank car is also continuously increased, so that the tank car is difficult to be completely matched with the existing ground loading and unloading facilities, and the loading and unloading operation must be carried out through measures such as multiple shunting or unhooking operation.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main objective lies in solving current big volume general chemicals railway tank car that has the heating function, along with jar volumetric promotion, causes the sleeper beam outside can't effectively heat to and the tank car hardly matches the technical problem completely with current ground loading and unloading facility, provides a big volume railway tank car with heating function.
In order to achieve the above object, the utility model provides a following technical scheme:
a large-volume railway tank car with a heating function comprises a car body and a tank body arranged on the car body through a traction and bolster structure; the vehicle body is of an inclined bottom structure; the traction and bolster structure comprises a traction beam and two bolster beams arranged on two sides of the traction beam, wherein the traction beam comprises two traction beam webs, an upper cover plate and a lower middle bolster plate which are arranged on the upper side and the lower side of the two traction beam webs; it is characterized in that the device is characterized in that,
the heating jacket is arranged on the outer side of the lower part of the tank body, the top of the tank body is provided with a plurality of manholes and at least two breathing safety valves, the arrangement positions of the manholes are matched with the length of a vehicle and ground handling facilities, and the two breathing safety valves are respectively positioned on two sides of the middle part of the tank body; a side ladder is arranged on the side surface of the tank body close to the head of the vehicle body;
the heating sleeve comprises a bottom heating shell, two side heating shells and a plurality of heating shells outside the pillow; the bottom heating shell is connected with the bottom of the tank body in a closed manner to form a bottom heating cavity, and a condensed water outlet is formed in the middle of the bottom heating shell; the two side heating shells are respectively arranged at two circumferential sides of the bottom heating shell and are respectively connected with the tank body in a sealing manner to form two side heating cavities;
the middle part of each side heating shell is provided with an annular drainage piece which divides the side heating cavity into two independent heating sub-cavities; n separators with openings at one ends are arranged in each heating sub-cavity, and each heating sub-cavity is divided into N +1 heating sub-cavities, wherein N is more than or equal to 1; the opening ends of two adjacent separators are staggered at the two ends of the separators, and the opening end of each separator and the N +1 sub-heating cavities form an S-shaped steam flow channel communicated with the bottom heating cavity; an inlet of an S-shaped steam flow channel in each heating distribution cavity is arranged close to the center of the bottom of the tank body, and an outlet of the S-shaped steam flow channel is arranged close to an end enclosure of the tank body;
the annular drainage piece is provided with a first condensate water circulation hole communicated with the at least one sub-heating cavity and a second condensate water circulation hole communicated with the bottom heating cavity;
the pillow outer heating shells are respectively arranged outside each heating cavity and are in closed connection with the pillow outer part of the tank body to form a pillow outer heating cavity; each pillow external heating cavity is communicated with the heating sub-cavity on the corresponding side, and a steam outlet is formed in the side, close to the tank body end enclosure, of each pillow external heating shell.
Furthermore, a drainage section is further arranged on one side, close to the bottom heating cavity, of the sub-heating cavity, the inlet end of the drainage section is close to the inlet of the S-shaped steam flow passage, and the outlet end of the drainage section is close to the pillow outer heating cavity.
Furthermore, two traction beam webs are arranged in parallel, each traction beam web comprises a side wing plate and a lower wing plate which are perpendicular to each other, the two side wing plates are parallel to each other, and the two lower wing plates are coplanar;
a bulge is arranged on the side wing plate close to the tank body end socket, the shape of the side wing plate positioned at the rear part of the bulge is matched with the outer contour of the tank body end socket, and an arc-shaped section and a straight edge extension section are arranged at one end of the side wing plate close to the middle section of the tank body;
the lower wing plate is connected with the arc-shaped section through a transition section provided with a chamfer;
the upper cover plate is arranged between the two side wing plates at the front parts of the protrusions and is positioned in the front parts of the two protrusions, the upper edge of the upper cover plate is an arc-shaped notch, and a gap for observation is formed between the arc-shaped notch and the tank body end enclosure;
the middle plate under the pillow is arranged below the two lower wing plates.
Further, the sleeper beam comprises a sleeper beam bottom plate, a sleeper beam web plate vertically arranged on the sleeper beam bottom plate, a sleeper beam side plate arranged at the outer edge of the sleeper beam web plate, and two L-shaped reinforcing plates;
the sleeper beam web plate is vertically connected with the side wing plate on the same side, and the sleeper beam bottom plate is connected with the lower wing plate on the same side;
two L type reinforcing plates are symmetrically arranged on two sides of a sleeper beam web, one edge of each L type reinforcing plate is connected with the sleeper beam web, and the other edge of each L type reinforcing plate is connected with a side wing plate.
Furthermore, a first unloading notch is formed in the upper edge of the connecting end of the web plate and the side wing plate of the sleeper beam;
and a second unloading notch is formed in the upper edge of the connecting end of the L-shaped reinforcing plate and the side wing plate, and the bottom of the second unloading notch is higher than that of the first unloading notch.
Furthermore, the two sleeper beam side plates are arranged in a splayed shape;
each L-shaped reinforcing plate is provided with an observation hole.
Further, the breathing type safety valve comprises a valve cover and a valve body which are detachably and hermetically connected, and the valve body is installed on the tank car;
the valve cover is sleeved with an adjusting rod, and the adjusting rod is in threaded fit with the valve cover; the upper end of the adjusting rod extends to the outside of the valve cover and is locked by a fastener, the lower end of the adjusting rod is connected with a top cover, and a gap is reserved between the top cover and the inner wall of the valve cover;
the valve body is internally sleeved with a discharging valve clack and a suction valve clack in sequence from outside to inside; the valve body is in sliding fit with the discharging valve clack, and the discharging valve clack is in sliding fit with the suction valve clack; the bottom in the valve body is provided with a supporting edge for bearing the discharging valve clack;
a first elastic component is arranged in the valve body, the upper end of the first elastic component is abutted against the top cover, and the lower end of the first elastic component is abutted against the discharging valve clack;
the upper end of the suction valve clack extends to the upper part of the discharging valve clack, the extending part of the suction valve clack is provided with an elastic component mounting seat, a second elastic component is mounted on the elastic component mounting seat, and one end, far away from the elastic component mounting seat, of the second elastic component abuts against the discharging valve clack.
Further, the valve cover and the valve body are detachably connected in a sealing mode through a plurality of connecting shafts;
the valve cover and the valve body are respectively provided with a valve cover flange and a valve body flange;
a plurality of first mounting holes are formed in the valve cover flange along the circumferential direction, and second mounting holes with the same number as the first mounting holes are formed in the valve body flange along the circumferential direction;
the first mounting hole comprises a through hole and a limiting through hole which are communicated with each other;
the second mounting hole is a through hole;
a first boss and a third boss are respectively arranged at two ends of the connecting shaft, and a second boss is arranged between the first boss and the third boss and is close to the first boss; the size of the through hole is larger than that of the limiting through hole, and the through hole is used for the second boss and the third boss to pass through;
the part of the connecting shaft between the second boss and the third boss is tightly attached to the inner wall of the limiting through hole; the second boss is positioned in the second mounting hole;
the first boss is pressed on the valve body flange, and the third boss is pressed on the valve cover flange.
Furthermore, at least one positioning hole is formed in each of the valve cover flange and the valve body flange, and a positioning pin is arranged in each positioning hole;
the outer edge of the top of the valve body is matched with the inner edge of the valve cover part in a conical surface mode.
Further, it is a plurality of the separator all adopts the channel-section steel, every channel-section steel opening side one the edge with jar body full weld welding, another edge with jar body intermittent welding has seted up a plurality of breachs on this edge.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses big volume railway tank car with heating function adopts the heating jacket that is suitable for big volume jar body, adopts longitudinal support, guides steam flow, increases effective heating area, simultaneously, passes the corbel web through the hoop drainage piece, introduces steam outside the corbel, can effectively heat the corbel outside region, has improved the whole heating efficiency of tank car; the heating sleeve can fully heat the bottom of the tank body, so that the position of a discharge hole at the bottom of the tank body is fully heated, and the discharging is convenient; the S-shaped steam flow channel can effectively increase the stroke of steam in the heating device, and the positions of the inlet and the outlet of the steam flow channel are far away from each other, so that the stroke of the steam in the heating device is maximum, compared with the stroke of half of the tank body in the prior art, the stroke is greatly improved, the steam utilization rate is improved, and the energy waste is reduced; a steam outlet is formed in the upper part of each pillow outer heating shell and is arranged close to the end enclosure of the tank body, so that high-temperature steam is directly conveyed to the area of the pillow outer tank body (end enclosure), and a better heating effect is achieved on the pillow outer tank body; and a plurality of and the corresponding manhole setting of ground loading and unloading facility, make the utility model discloses a railway tank car need not to go forward repeatedly and back a car and just can accomplish the loading and unloading of being listed as, and with existing ground loading and unloading facility for safe matching, the side ladder set up the space that the position can effectual utilization jar body both ends, the operating personnel of also being convenient for from the tank car both sides climbing operation. Through the setting of heating jacket, manhole and side ladder, it is not enough to have solved the heating efficiency that the big volume jar body brought, matches with ground loading and unloading facility to and operating personnel scrambles the limited scheduling problem in space.
2. The utility model discloses divide and still be provided with the drainage section in the heating chamber, the entry end of drainage section is close to S type steam runner 'S entry, and the exit end of drainage section is close to simultaneously bottom heating chamber and pillow external heating chamber directly introduce the pillow external heating chamber with high temperature steam by steam runner' S entry, have effectively shortened the steam stroke for the steam that gets into the pillow external heating chamber is still high temperature.
3. The utility model discloses utilize the arc end of the protruding department of draw beam, observe the draw beam and the connected condition of the jar body, arc section and straight flange extension section on utilizing every draw beam web side wing board realize smooth transition, the straight flange extension, reduce stress concentration in the support jar body, lower pterygoid lamina adopts chamfer transition structure with adjacent position department of arc section, further reduce stress concentration, the structural design of a series of stress that reduces through the increase of just having strong thickness, finally make the intensity of draw beam, rigidity all obtains improving, large capacity has been satisfied, the bearing capacity requirement of big axle load no center sill tank car.
4. The utility model discloses a being connected of sleeper beam web and traction beam web has been strengthened to L type reinforcing plate, forms local three web structures, has increased structural strength for the bearing capacity of traction beam structure is stronger, can not bring extra risk because of increasing L type reinforcing plate, has solved sleeper beam web and traction beam web junction stress concentration's problem, makes whole traction beam structure safe more, reliable.
5. The utility model discloses first off-load breach has been seted up with the top edge of flank board link to the sleeper beam web, and second off-load breach has all been seted up with the top edge of flank board link to the bottom of second off-load breach is higher than the bottom of first off-load breach, makes L type reinforcing plate bear more jar body weight than the sleeper beam web, thereby has effectively reduced the stress concentration of sleeper beam web and flank board junction, and the shape of off-load breach can be adjusted according to concrete needs.
6. The utility model has the advantages that the side plate of the sleeper beam is arranged in a splayed shape, so as to better play the role of supporting the tank body; the L-shaped reinforcing plate is provided with an observation hole, so that the brake main pipe is ensured to pass through, and observation is carried out during overhaul.
7. The breathing type safety valve in the utility model does not need to disassemble the valve cover and the valve body, and the adjusting rod can move along the axial direction of the adjusting rod through the thread fit of the adjusting rod and the valve cover to drive the top cover to move in the same direction, thereby adjusting the compression amount of the first elastic component; when the internal pressure of the tank is too high, the discharging valve clack can be jacked up to further compress the first elastic component, so that the applied force to the discharging valve clack can be changed after the compression amount of the first elastic component is adjusted by the adjusting rod, when the internal pressure of the tank is balanced with the external pressure, the pressure releasing valve clack is placed to play a role in sealing the tank, and when the internal pressure of the tank is negative pressure, the suction valve clack moves downwards to communicate the internal pressure of the tank with the external pressure so as to adjust the internal pressure of the tank.
8. The utility model discloses valve gap and valve body realize dismantling the connection through the connecting axle, the first boss and the third boss at connecting axle both ends can compress tightly valve gap and valve body, the part between connecting axle second boss and the third boss cooperates with spacing through-hole, can avoid relative rotation between valve gap and the valve body, and when needing to dismantle valve body and valve gap, only need to rotate the valve body or the valve gap that the first mounting hole is located, make the part between connecting axle first boss and the second boss get into the through hole, take out the connecting axle again can, easy and simple to handle and connect reliably, can also avoid the jamming or even the dead problem that current relief valve leads to because of the screw thread damage; make relief valve decompose and equipment swift, production maintenance efficiency improves by a wide margin.
9. The utility model discloses still be equipped with the locating hole on well valve gap flange and the valve body flange, valve gap and valve body accomplish through first mounting hole, second mounting hole and connecting axle and connect the back, and the accessible locating pin inserts the locating hole and carries out further spacing, avoids producing relative rotation and breaking away from because of rocking or vibrating valve gap and valve body.
10. The utility model discloses well jar body is by both ends to middle part slope setting, can improve the clean rate of unloading of jar body mesosome.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a large-capacity railway tank car with a heating function according to the present invention;
fig. 2 is a schematic view of the inner structure of a manhole in the embodiment of the present invention;
FIG. 3 is a schematic top view of a tank body according to an embodiment of the present invention;
FIG. 4 is a schematic view of the heating jacket installation according to an embodiment of the present invention;
fig. 5 is a bottom view of the present invention shown in fig. 4;
FIG. 6 is a schematic diagram of a heating jacket according to an embodiment of the present invention (arrows indicate vapor flow direction);
fig. 7 is a schematic structural view of a heating chamber and a heating chamber outside the pillow corresponding to the heating chamber according to an embodiment of the present invention;
fig. 8 is a schematic view showing the steam flow direction of a heating chamber and its corresponding heating chamber (arrows indicate the steam flow direction);
fig. 9 is a schematic view illustrating the flow direction of condensed water in one heating sub-chamber and the corresponding heating chamber outside the pillow according to the embodiment of the present invention (arrows indicate the flow direction of the condensed water);
fig. 10 is a schematic view of a traction and bolster structure in an embodiment of the present invention;
fig. 11 is a schematic structural view of the draft sill of fig. 10 according to the present invention;
FIG. 12 is a schematic view of the draft sill web of FIG. 10 in accordance with the present invention;
FIG. 13 is a schematic view of the draft sill web in the top view of FIG. 12 in accordance with an embodiment of the present invention;
fig. 14 is a schematic structural view of a web and an L-shaped reinforcing plate of a sleeper beam in an embodiment of the present invention;
fig. 15 is a schematic structural view of a respiratory safety valve according to an embodiment of the present invention;
fig. 16 is a schematic view of the internal structure of fig. 15 according to the present invention;
figure 17 is a schematic view of the valve cover of figure 15 in accordance with the present invention;
figure 18 is a schematic view of the valve body of figure 15 in accordance with the present invention;
fig. 19 is a schematic view of the connection shaft of fig. 15 according to the present invention.
Wherein, 1-vehicle body, 2-tank body, 3-heating jacket, 301-bottom heating shell, 302-side heating shell, 303-annular drainage piece, 304-separating piece, 305-inlet of S-shaped steam flow channel, 306-first condensed water circulation hole, 307-second condensed water circulation hole, 308-heating shell outside pillow, 309-steam outlet, 310-drainage segment, 311-hose, 312-condensed water outlet, 313-notch, 4-manhole, 5-breathing safety valve, 501-valve cover, 502-valve body, 503-adjusting rod, 504-top cover, 505-supporting edge, 506-valve flap discharging, 507-suction valve flap, 5071-base, 5072-mounting column, 508-first elastic component, 509-elastic component mounting seat, 509-bottom heating shell, 308-side heating shell, 303-annular drainage piece, 312-condensed water outlet, 312-notch, 4-manhole, 5-breathing safety valve, 501-valve cover, 510-a second elastic component, 511-a valve cover flange, 512-a valve body flange, 513-a first mounting hole, 51301-a through hole, 51302-a limit through hole, 514-a second mounting hole, 515-a connecting shaft, 516-a first boss, 517-a second boss, 518-a third boss, 519-a positioning hole, 520-a circular boss, 521-a fastener, 522-a limit boss, 523-a positioning pin, 6-a side ladder, 7-a traction beam, 701-a traction beam web, 7011-a side wing plate, 70111-a bulge, 70112-an arc section, 70113-a straight edge extension section, 7012-a lower wing plate, 7013-an arc notch, 7014-a transition section, 702-an upper cover plate, 703-an under-pillow middle plate, 8-a pillow beam, 801-a pillow beam bottom plate, 802-corbel web, 8021-first unloading notch, 803-corbel side plate, 804-L-shaped reinforcing plate, 8041-second unloading notch, 8042-observation hole, 9-inner ladder and 10-walking board.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the embodiments of the present invention and the accompanying drawings, and obviously, the described embodiments are not intended to limit the present invention.
The utility model discloses to the general tank wagon of big volume with heating function, solved the tank car and leaded to unable effective heating to the sleeper beam outside because of the vehicle length increases to and the problem that can't match with ground loading and unloading facility, optimized heating structure, simultaneously, improved the loading and unloading car efficiency of this type of tank wagon.
Referring to fig. 1 to 3, a large-capacity railway tank car with a heating function comprises a car body 1 and a tank body 2 mounted on the car body 1 through a traction and bolster structure, wherein the traction and bolster structure comprises a traction beam 7 and two sleepers 8 arranged on two sides of the traction beam 7, the traction beam 7 comprises two traction beam webs 701, an upper cover plate 702 and an under-sleeper middle plate 703 which are arranged on the upper side and the lower side of the two traction beam webs 701, and the basic functions of the traction beam 7 and the two sleepers 8 in the traction and bolster structure are similar to those of the existing traction and bolster structure, but the structure is greatly optimized. In addition, in order to adapt to the big volume jar of body, 2 tops of the jar body are equipped with a plurality of manholes 4 and two at least respiratory relief valves 5, and manhole 4 sets up position and ground handling facility, vehicle length phase-match, and two respiratory relief valves 5 are located the both sides at 2 middle parts of the jar body respectively the utility model discloses an in the embodiment, 2 tops of the jar body set up three manhole 4 and two respiratory relief valves 5, three manhole 4 along jar body axial equipartition, the manhole 4 that is located the middle part is for loading and unloading hole and access hole, and inside correspondence is provided with the inner ladder 9 of the straight-through jar body 2 bottom, and the manual work of being convenient for gets into jar body 2 and. As a preferable scheme, the tank body is provided with 3 manholes, the distance between the manholes is 3.5m, and the tank cars can be loaded and unloaded in rows through one-time shunting operation. In practical application, the number and the position of the breathing safety valves 5 can be adjusted and designed according to the actual length of the tank body 2 and the medium contained in the tank body 2, so as to meet the safety design requirement of the tank body 2.
The side surface of the tank body 2 close to the head part of the tank body 1 is provided with a side ladder 6, and the side ladder 6 is arranged at one end part of the railway tank car. The existing end ladder is arranged at the end part of the tank body 2, and an operator can only climb to the top of the tank body 2 from the end provided with the end ladder to carry out operation; current side ladder sets up in 2 middle part both sides of jar body, and limited limit's restriction, operating personnel scrambles the operation and experiences and feel relatively poor. The utility model discloses the setting of well side ladder is compared with the end ladder or the side ladder structure that current tank wagon adopted, more is applicable to the big volume jar of body. Still can be at the corresponding platform 10 of walking of 2 tops of jar body for side ladder 6 configurations, side ladder 6 can set up to the modularization equipment with the assembly of walking platform 10, walk platform 10 and can set up the railing in both sides, the bottom sets up the roof running board to link as an organic wholely through the bolt, the railing still can be designed into the M type, the roof running board can adopt the rectangle steel grating, side ladder 6 can be formed by the welding of anti-skidding foot pedal, handrail and ball joint, and the quality is more excellent, and the gripping of being convenient for.
As shown in fig. 4 to 9, the utility model discloses still design the heating jacket 3 that the heating effect is more excellent for big volume jar body 2, heating jacket 3 sets up in jar body 2 lower part outside. Including bottom heating shell 301, two lateral part heating shells 302, and four pillow outer heating shell 308, bottom heating shell 301 seals with jar body 2 bottoms and is connected formation bottom heating chamber, A area in fig. 6 promptly, two lateral part heating shells 302 set up respectively in bottom heating shell 301 circumference both sides, and seal with jar body 2 respectively and be connected, thereby form two lateral part heating chambers, B area in fig. 6 promptly, every lateral part heating shell 302 middle part all is equipped with a hoop drainage piece 3, divide into two mutually independent branch heating chambers through hoop drainage piece 3 with the lateral part heating chamber.
Because the tank body 2 of the railway tank car is generally of a forward-cone inclined bottom structure, condensed water can be gathered towards the middle part of the tank body 2, one or more first condensed water circulation holes 306 communicated with one or more of the N +1 sub-heating cavities and second condensed water circulation holes 307 communicated with the bottom heating cavity are formed in the annular drainage piece 303, and a condensed water outlet 312 is formed in the middle part of the bottom heating shell 301.
The four pillow outer heating shells 9 are respectively arranged outside each heating branch cavity and are in closed connection with the pillow outer parts of the tank bodies 14 to form a plurality of pillow outer heating cavities, namely a C area in fig. 6, and each pillow outer heating cavity is communicated with the corresponding heating branch cavity. Each pillow outer heating shell 308 is provided with a steam outlet 309, the steam outlet 309 is arranged close to the end socket of the tank body 2, and the inlet 305 and the steam outlet 309 of the S-shaped steam flow channel are far away from each other as much as possible, so that the stroke of the steam in the heating sleeve is maximum. Still be provided with drainage section 310 in the branch heating chamber, the entry 305 that the entry end of drainage section 310 is close to S type steam runner, and the exit end of drainage section 310 is close to bottom heating chamber and pillow external heating chamber simultaneously, is located the corner that drainage section 310 lower part is close to pillow external heating chamber, directly introduces the pillow external heating chamber with hot steam by S type steam runner' S entry 305, and drainage section 310 passes the web of tank car pillow beam, and the steam stroke is short for the steam temperature that introduces the pillow external heating chamber is higher.
The separator 304 can adopt the channel-section steel, and the welding is fully welded with jar body 2 on an edge of every channel-section steel opening side, and another edge and jar body 2 intermittent welding do not all form breach 313 with the welding department for steam gets into and flows in the channel-section steel cavity, increases heat transfer area, and the hoop drainage piece 303 can adopt the annular channel-section steel, and at this moment, second comdenstion water opening 307 just is located the port that this annular channel-section steel is close to jar body 2 bottom.
And after all the connections of the heating jacket 3 are finished, steam and condensed water cannot leak.
The flow of steam and condensate in the heating jacket 3 is:
as shown in fig. 8, high-temperature and high-pressure steam enters from the inlet 305 of the S-shaped steam flow passage of each heating chamber, and a part of the high-temperature and high-pressure steam enters the S-shaped steam flow passage and is discharged from the outlet of the S-shaped steam flow passage of each heating chamber; the other part enters the bottom heating cavity, is discharged from a condensed water outlet in the middle of the bottom heating cavity, and is uniformly distributed in each heating cavity of the heating sleeve, as shown in fig. 9, high-temperature steam is gradually condensed into condensed water in the heat exchange process, the condensed water in each sub-heating cavity is gathered to the bottom heating cavity through the annular drainage piece 303, and is discharged from a condensed water outlet in the middle of the bottom heating cavity, so that the diversion of the steam and the condensed water is realized.
In addition, as shown in fig. 10 to 14, in order to make the support of the tank 2 more reliable, the draft sill 7 and the bolster 8 in the draft bolster structure are improved, each draft sill web 701 includes a side wing plate 7011 and a lower wing plate 7012 perpendicular to each other, a protrusion 70111 is provided on the side wing plate 7011 at a position corresponding to the head of the tank 2, an arc segment 70112 and a straight-edge extension segment 70113 are provided at one end of the side wing plate 7011 near the middle section of the tank 2, the lower wing plate 7012 and the arc segment 70112 are connected by a transition segment 7014 provided with a chamfer, the shape of the rear portion of the protrusion 70111 is adapted to the head shape of the tank 2, the two draft sill webs 701 are symmetrically provided, the side wing plates 7011 of the two draft sill webs are parallel to each other, the lower wing plates 7012 are coplanar, the upper cover 702 is provided between the two side wing plates 7011 at the front portion of the protrusion 70111, the upper end surface of the upper cover 702 at the front portion of the two protrusions 70111 is, the mid-sleeper plate 703 is disposed below the two lower wing plates 7012, each of the draft sill webs 701 is formed by shearing H-beam or T-beam, and has a thickness greater than 310 of b-beam, that is, greater than 12mm, and the specific thickness can be calculated by the structural strength.
Each of the sleepers 8 includes a sleeper beam bottom plate 801, a sleeper beam web 802 vertically provided on the sleeper beam bottom plate 801, a sleeper beam side plate 803 provided on an outer side edge of the sleeper beam web 802, and two L-shaped reinforcing plates 804. The two sleeper beam side plates 803 are arranged in a splayed manner, each L-shaped reinforcing plate 804 can be formed by bending a steel plate, the sleeper beam web 802 is vertically connected with a side wing plate 7011 of the traction beam web 801 on the same side, welding or riveting can be adopted specifically, the sleeper beam bottom plate 801 is connected with a lower wing plate 7012 of the traction beam web 701, the two L-shaped reinforcing plates 804 are symmetrically arranged on two sides of the sleeper beam web 802, one edge of the opening side of the L-shaped reinforcing plate 804 is connected with the sleeper beam web 802, and the other edge of the opening side of the L-shaped reinforcing plate 804 is connected with the side wing plate 7011, so that a local three. The upper edge of the connecting end of the web 802 and the side wing plate 7011 of the sleeper beam is provided with a first unloading notch 8021, the upper edges of the connecting ends of the two L-shaped reinforcing plates 804 and the side wing plate 7011 are both provided with second unloading notches 8041, the bottom of each second unloading hole 8041 is higher than the bottom of the corresponding first unloading hole 8021, each L-shaped reinforcing plate 804 can be provided with an observation hole 8042, and the observation holes can be specifically formed into long holes.
The embodiment of the utility model provides an in respiratory relief valve 5 has adopted connecting axle 515 to be connected valve gap 201 and valve body 502, has avoided appearing the dead phenomenon of card between valve body 502 and valve gap 501, and can adjust the relief valve through adjusting pole 503, has avoided the dismantlement repeatedly between valve body 502 and the valve gap 501, has effectively improved production and maintenance efficiency.
As shown in fig. 15 to 19, the breathing safety valve 5 includes a valve cap 501 and a valve body 502, and the valve cap 501 and the valve body 502 are detachably and hermetically connected by 4 connecting shafts 515. The valve cover 501 is provided with an adjusting rod 503 in a sleeved mode, the adjusting rod 503 is in threaded fit with the valve cover 501, the adjusting rod 503 can move up and down relative to the valve cover 501 along the axial direction of the adjusting rod 503 by rotating the adjusting rod 503, the upper end of the adjusting rod 503 extends to the outside of the valve cover 501 and is locked by a fastener 521, the fastener 521 can adopt a nut in threaded fit with the adjusting rod 503, the lower end of the adjusting rod is connected with the top cover 504, a gap is reserved between the top cover 504 and the inner wall of the valve cover 501, and the adjusting rod 503 is convenient for a person to adjust the top cover 504 to move up and down. The valve body 502 is sequentially sleeved with a discharge valve clack 506 and a suction valve clack 507, the valve body 502 is in sliding fit with the discharge valve clack 506, the discharge valve clack 506 can slide along the inner wall of the valve body 502, the discharge valve clack 506 is in sliding fit with the suction valve clack 507, the suction valve clack 507 can slide along the inner wall of the discharge valve clack 506, the matching surface of the sliding fit between the discharge valve clack 506 and the suction valve clack 507 can be arranged in a conical surface mode to facilitate assembly, a supporting edge 505 for bearing the discharge valve clack 506 is arranged at the bottom in the valve body 502, when the internal pressure of the tank body 2 is stable and adjustment is not needed, the discharge valve clack 506 is positioned on the supporting edge 5 to seal the tank body 2: the bonnet 501 and the valve body 502 are respectively provided with a bonnet flange 511 and a valve body flange 512, the bonnet flange 511 is circumferentially provided with four first mounting holes 513, the valve body flange 512 is circumferentially provided with four second mounting holes 514, and the specific number of the first mounting holes 513 and the second mounting holes 514 can be adjusted according to the processing and using requirements. The first mounting hole 513 includes a through hole 51301 and a limiting through hole 51302 which are communicated with each other, to form a long hole with a larger size in one end hole and a smaller size in the other end hole, such as a keyhole, a T-shaped hole and the like, the second mounting hole 514 is a through hole, the two ends of the connecting shaft 515 are respectively provided with a first boss 516 and a third boss 518, a second boss 517 is further arranged between the first boss 516 and the third boss 518 and next to the first boss 516, to form the connecting shaft 515 with a stepped i-shaped structure, and the size of the through hole 51301 is larger than the limiting through hole 51302, so that the second boss 517 and the third boss 518 pass through. When the connecting shaft 515 is connected, the third boss 518 and the second boss 517 sequentially pass through the second mounting hole 514 and the through hole 51301, the third boss 518 is attached to the upper surface of the bonnet 1, the first boss 16 is attached to the lower surface of the valve body 2, at this time, the second boss 517 is located in the second mounting hole 514, the bonnet 501 is rotated, the part, located between the second boss 517 and the third boss 518, of the connecting shaft 515 is clamped in the limiting through hole 51302, a locking effect is achieved, and meanwhile, the bonnet 501 and the valve body 502 are clamped tightly by the third boss 518 and the first boss 516. In order to prevent the bonnet 501 and the valve body 502 from being rotated relative to each other and separated from each other due to impact vibration, one positioning hole 519 may be provided in each of the bonnet flange 511 and the valve body flange 512, the positioning hole 519 may be inserted into the positioning pin 523, and a plurality of positioning holes 519 and positioning pins 523 may be provided, which may be selected according to the use requirements. The shapes of the first boss 516, the second boss 517 and the third boss 518 are not limited, and the bosses can be designed to be circular during use, and the diameters of the second boss 517 and the third boss 518 are the same, so that the processing is convenient, and in practice, the following conditions are satisfied: (1) the third bosses 518 are dimensioned such that: the through hole 51301 and the second mounting hole 514 can be passed through, and the limit through hole 51302 cannot be passed through; (2) the setting size of the second boss 517 satisfies: can pass through the second mounting hole 514; (3) the first boss 516 is sized to satisfy: cannot pass through the second mounting hole 514.
The valve body 502 is provided with a first elastic component 508, the upper end of the first elastic component 508 is abutted against the top cover 504, the lower end of the first elastic component 508 is abutted against the discharge valve flap 506, when the internal pressure of the tank body 2 is too high, the discharge valve flap 506 is jacked up, the first elastic component 508 is further stressed and compressed, the top cover 504 applies force to the first elastic component 508, the force which needs to be overcome when the discharge valve flap 506 is jacked up is determined, and the discharge valve flap 506 can be jacked up only when the pressure in the tank body 2 needs to be adjusted. In order to facilitate the installation of the first elastic component 508 and limit the position of the first elastic component 508, a limit boss 522 is arranged at the top of the discharging valve flap 506, and the lower end of the first elastic component 508 is sleeved on the limit boss 522 and abuts against the discharging valve flap 506. In addition, a boss structure may also be disposed at the bottom of the top cover 504, and a end of the first elastic component 508 abutting against the top cover 504 is sleeved outside the boss structure, and may also have a certain limiting effect on the first elastic component.
The suction valve clack 507 comprises a base 5071 and a mounting column 5072 arranged at the top of the base 5071, the base 5071 is sleeved in the discharge valve clack 506 and is in sliding fit with the discharge valve clack 506, a round boss 520 is further arranged on a limiting boss 522 at the top of the discharge valve clack 506, the mounting column 5072 is sleeved in the round boss 520, the upper part of the mounting column 5072 extends to the outside of the round boss 520, and the mounting column 5072 is in sliding fit with the round boss 520; the mounting post 5072 is fixed with an elastic element mounting seat 509, one end of the second elastic element 510 is mounted on the elastic element mounting seat 509, and the other end of the second elastic element is sleeved outside the circular boss 520 and abuts against the top of the limit boss 522. When the pressure in the tank 2 is negative, the discharge valve flap 506 is limited by the support edge 505 and cannot move towards the tank 2, the suction valve flap 507 moves downwards, the second elastic component 510 is compressed between the elastic component mounting seat 509 and the limiting boss 522, at the moment, the interior of the tank 2 is communicated with the exterior, the pressure in the tank 2 is adjusted, until the interior is not in a negative pressure state, and the suction valve flap 507 gradually moves upwards to reset.
The top outer edge of the valve body 502 and the bottom inner edge of the valve cover 501 can be matched through conical surfaces, so that the valve cover 501 and the valve body 502 can be centered and concentric conveniently, the connecting shaft 515 can penetrate through the through hole 51303 and the second mounting hole 514 more smoothly and conveniently, and the resistance can be reduced when the valve body 502 and the valve cover 501 rotate relatively.
The above is only the embodiment of the present invention, and is not the limitation of the protection scope of the present invention, all the equivalent structure changes made in the contents of the specification and the drawings, or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A large-volume railway tank car with a heating function comprises a car body (1) and a tank body (2) which is arranged on the car body (1) through a traction and bolster structure; the vehicle body (1) is of an inclined bottom structure; the traction and bolster structure comprises a traction beam (7) and two bolster beams (8) arranged on two sides of the traction beam (7), wherein the traction beam (7) comprises two traction beam webs (701), an upper cover plate (702) and a lower middle bolster plate (703) which are arranged on the upper side and the lower side of the two traction beam webs (701); the method is characterized in that:
a heating jacket (3) is arranged on the outer side of the lower part of the tank body (2), a plurality of manholes (4) and at least two breathing safety valves (5) are arranged on the top of the tank body, the arrangement positions of the manholes (4) are matched with the length of a vehicle and ground handling facilities, and the two breathing safety valves (5) are respectively positioned on two sides of the middle part of the tank body (2); a side ladder (6) is arranged on the side surface of the tank body (2) close to the head of the vehicle body (1);
the heating jacket comprises a bottom heating shell (301), two side heating shells (302) and a plurality of outer pillow heating shells (308); the bottom heating shell (301) is connected with the bottom of the tank body (2) in a closed manner to form a bottom heating cavity, and a condensed water outlet (312) is formed in the middle of the bottom heating shell (301); the two side heating shells (302) are respectively arranged at two circumferential sides of the bottom heating shell (301) and are respectively connected with the tank body (2) in a sealing way to form two side heating cavities;
the middle part of each side heating shell (302) is provided with an annular drainage piece (303) which divides the side heating cavity into two independent heating sub-cavities; n separators (304) with openings at one end are arranged in each heating sub-cavity to separate the heating sub-cavity into N +1 heating sub-cavities, wherein N is more than or equal to 1; the opening ends of two adjacent separators (304) are staggered at the two ends of the separator (304), and the opening end of each separator (304) and the N +1 sub-heating cavities form an S-shaped steam flow channel communicated with the bottom heating cavity; an inlet (305) of an S-shaped steam flow channel in each heating distribution cavity is arranged close to the center of the bottom of the tank body (2), and an outlet is arranged close to an end enclosure of the tank body (2);
a first condensed water circulation hole (306) communicated with at least one sub-heating cavity and a second condensed water circulation hole (307) communicated with the bottom heating cavity are formed in the annular drainage piece (303);
the plurality of heating shells (308) outside the pillow are respectively arranged outside each heating cavity and are hermetically connected with the pillow outer part of the tank body (2) to form a heating cavity outside the pillow; each pillow outer heating cavity is communicated with the corresponding side heating sub-cavity, and a steam outlet (309) is formed in the side, close to the end enclosure of the tank body (2), of each pillow outer heating shell (308).
2. A large capacity railway tanker having a heating function according to claim 1, characterized in that: a drainage section (310) is further arranged on one side, close to the bottom heating cavity, of the sub-heating cavity, the inlet end of the drainage section (310) is close to the inlet (305) of the S-shaped steam flow channel, and the outlet end of the drainage section (310) is close to the pillow outer heating cavity.
3. A large-capacity railway tank car with a heating function as claimed in claim 2, wherein: the two traction beam webs (701) are arranged in parallel, each traction beam web (701) comprises a side wing plate (7011) and a lower wing plate (7012) which are perpendicular to each other, the two side wing plates (7011) are parallel to each other, and the two lower wing plates (7012) are coplanar;
a bulge (70111) is arranged at the position, close to the end socket of the tank body (2), of the side wing plate (7011), the shape of the side wing plate (7011) located at the rear part of the bulge (70111) is matched with the outer contour of the end socket of the tank body (2), and an arc-shaped section (70112) and a straight-edge extension section (70113) are arranged at one end, close to the middle section of the tank body (2), of the side wing plate (7011);
the lower wing plate (7012) is connected with the arc-shaped section (70112) through a transition section (7014) provided with a chamfer;
the upper cover plate (702) is arranged between the two side wing plates (7011) at the front part of the protrusion (70111) and is positioned in the front area of the two protrusions (70111), the upper edge of the upper cover plate (702) is an arc-shaped notch (7013), and a gap for observation is formed between the arc-shaped notch (7013) and the end enclosure of the tank body (2);
the middle plate under the pillow (703) is arranged below the two lower wing plates (7012).
4. A large capacity railway tank car with heating function as claimed in claim 3, wherein: the sleeper beam (8) comprises a sleeper beam bottom plate (801), a sleeper beam web plate (802) vertically arranged on the sleeper beam bottom plate (801), a sleeper beam side plate (803) arranged at the outer edge of the sleeper beam web plate (802), and two L-shaped reinforcing plates (804);
the bolster web plate (802) is vertically connected with the lateral wing plate (7011) on the same side, and the bolster bottom plate (801) is connected with the lower wing plate (7012) on the same side;
the two L-shaped reinforcing plates (804) are symmetrically arranged on two sides of the sleeper beam web plate (802), one edge of each L-shaped reinforcing plate (804) is vertically connected with the sleeper beam web plate (802), and the other edge of each L-shaped reinforcing plate is connected with the side wing plate (7011).
5. A large capacity railway tanker having a heating function according to claim 4, characterized in that:
a first unloading notch (8021) is formed in the upper edge of the connecting end of the sleeper beam web plate (802) and the side wing plate (7011);
a second unloading notch (8041) is formed in the upper edge of the connecting end of the L-shaped reinforcing plate (804) and the side wing plate (7011), and the bottom of the second unloading notch (8041) is higher than the bottom of the first unloading notch (8021).
6. A large capacity railway tanker having a heating function according to claim 5, characterized in that:
the two sleeper beam side plates (803) are arranged in a splayed shape;
each L-shaped reinforcing plate (804) is provided with an observation hole (8042).
7. A large-capacity railway tank car with a heating function according to any one of claims 1 to 6, wherein: the breathing safety valve (5) comprises a valve cover (501) and a valve body (502) which are detachably connected in a sealing manner, and the valve body (502) is arranged on the tank body (2);
the valve cover (501) is sleeved with an adjusting rod (503), and the adjusting rod (503) is in threaded fit with the valve cover (501); the upper end of the adjusting rod (503) extends to the outside of the valve cover (501) and is locked by a fastener (521), the lower end of the adjusting rod is connected with a top cover (504), and a gap is reserved between the top cover (504) and the inner wall of the valve cover (501);
the valve body (502) is internally sleeved with an exhaust valve clack (506) and a suction valve clack (507) from outside to inside in sequence; the valve body (502) is in sliding fit with the discharging valve clack (506), and the discharging valve clack (506) is in sliding fit with the sucking valve clack (507); the inner bottom of the valve body (502) is provided with a supporting edge (505) for bearing the discharging valve clack (506);
a first elastic component (508) is arranged in the valve body (502), the upper end of the first elastic component (508) is abutted against the top cover (504), and the lower end of the first elastic component is abutted against the discharge valve flap (506);
the upper end of the suction valve flap (507) extends to the upper part of the discharge valve flap (506), the extending part of the suction valve flap is provided with an elastic component mounting seat (509), a second elastic component (510) is mounted on the elastic component mounting seat (509), and one end, far away from the elastic component mounting seat (509), of the second elastic component (510) is abutted against the discharge valve flap (506).
8. A large capacity railway tanker having a heating function according to claim 7, characterized in that: the valve cover (501) is detachably and hermetically connected with the valve body (502) through a plurality of connecting shafts (515);
the valve cover (501) and the valve body (502) are respectively provided with a valve cover flange (511) and a valve body flange (512);
a plurality of first mounting holes (513) are formed in the valve cover flange (511) along the circumferential direction, and second mounting holes (514) with the same number as the first mounting holes (513) are formed in the valve body flange (512) along the circumferential direction;
the first mounting hole (513) comprises a through hole (51301) and a limiting through hole (51302) which are communicated with each other;
the second mounting hole (514) is a through hole;
a first boss (516) and a third boss (518) are respectively arranged at two ends of the connecting shaft (515), and a second boss (517) is arranged between the first boss (516) and the third boss (518) and is close to the first boss (516); the size of the through hole (51301) is larger than that of the limiting through hole (51302) and is used for the second boss (517) and the third boss (518) to penetrate through;
the part of the connecting shaft (515) between the second boss (517) and the third boss (518) is tightly attached to the inner wall of the limiting through hole (51302); the second boss (517) is positioned in the second mounting hole (514);
the first boss (516) is pressed on the valve body flange (512), and the third boss (518) is pressed on the valve cover flange (511).
9. A large capacity railway tanker having a heating function according to claim 8, characterized in that: the valve cover flange (511) and the valve body flange (512) are respectively provided with at least one positioning hole (519), and positioning pins (523) are arranged in the positioning holes (519);
the outer edge of the top of the valve body (502) is in conical surface fit with the inner edge of the valve cover (501).
10. A large capacity railway tanker having a heating function according to claim 9, characterized in that:
a plurality of separator (304) all adopt the channel-section steel, every channel-section steel opening side one the edge with jar body (2) full weld welding, another edge with jar body (2) intermittent welding has seted up a plurality of breachs (313) on this edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022108559.XU CN212637486U (en) | 2020-09-23 | 2020-09-23 | Large-volume railway tank car with heating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022108559.XU CN212637486U (en) | 2020-09-23 | 2020-09-23 | Large-volume railway tank car with heating function |
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| Publication Number | Publication Date |
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| CN212637486U true CN212637486U (en) | 2021-03-02 |
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| CN202022108559.XU Active CN212637486U (en) | 2020-09-23 | 2020-09-23 | Large-volume railway tank car with heating function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU209124U1 (en) * | 2021-10-21 | 2022-02-02 | Общество с ограниченной ответственностью «РЕЙЛ1520 АЙ ПИ» (ООО «РЕЙЛ1520 АЙ ПИ») | RAILWAY TANK CAR |
| WO2022061957A1 (en) * | 2020-09-23 | 2022-03-31 | 中车西安车辆有限公司 | Draft and bolster structure of railway tank car without center sill |
-
2020
- 2020-09-23 CN CN202022108559.XU patent/CN212637486U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022061957A1 (en) * | 2020-09-23 | 2022-03-31 | 中车西安车辆有限公司 | Draft and bolster structure of railway tank car without center sill |
| RU209124U1 (en) * | 2021-10-21 | 2022-02-02 | Общество с ограниченной ответственностью «РЕЙЛ1520 АЙ ПИ» (ООО «РЕЙЛ1520 АЙ ПИ») | RAILWAY TANK CAR |
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