CN114274982B

CN114274982B - Overhead line type electric locomotive

Info

Publication number: CN114274982B
Application number: CN202111622599.9A
Authority: CN
Inventors: 王建荣
Original assignee: Changzhou Rongjiang Electromechanical Co ltd
Current assignee: Changzhou Rongjiang Electromechanical Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-09-16
Anticipated expiration: 2041-12-28
Also published as: CN114274982A

Abstract

The invention discloses a trolley electric locomotive, which comprises a unit, wherein the unit comprises a hub, an outer top assembly and a recovery assembly, the hub is movably connected with the unit, the outer top assembly is movably connected with the hub, the recovery assembly is movably connected with the outer top assembly, after the electric locomotive is started, the hub starts to rotate under the drive of external torque to drive the unit to move, the unit pulls other rail vehicles to move, so that the whole electric locomotive moves, when the electric locomotive starts to start under the action of the outer top assembly, friction force exists between the hub and a rail, and a certain friction force is generated between the hub and the bottom surface, so that the hub is not easy to idle, the hub can quickly drive the electric locomotive to move, in addition, the outer top assembly can enable the electric locomotive to quickly drive the rail with high gradient, and when the speed of the electric locomotive is higher, the recovery assembly recovers the outer top assembly, the intelligent starting outer top component realizes quick starting and efficient climbing of the electric locomotive and does not influence normal running of the electric locomotive.

Description

Overhead line type electric locomotive

Technical Field

The invention relates to the technical field of electric locomotives, in particular to an overhead line electric locomotive.

Background

The electric locomotive is a traction device for rail vehicle transportation, the power is to use a traction motor to drive wheels to rotate, and the locomotive runs on the rail by means of the friction between the wheels and the rail surface. In this mode of operation, the traction force is limited not only by the power of the traction motor or internal combustion engine, but also by the friction between the wheels and the rail surface. The gradient on which the locomotive can travel is limited. Electric locomotives are classified by structure into trolley locomotives and storage battery electric locomotives.

The trolley locomotive has the advantages that: the trolley locomotive has the advantages of simple structure, low cost, convenient maintenance, large transportation capacity, high speed, high power utilization efficiency, low transportation cost and the widest application.

The trolley locomotive has the following defects: traction is limited by the friction between the wheels and the rail surface and the grade of travel, resulting in limited traction for trolley locomotives.

Disclosure of Invention

The invention aims to provide a trolley locomotive, which solves the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a trolley-line electric locomotive, includes the unit, the unit includes wheel hub, outer top subassembly and recovery subassembly, wheel hub and unit activity link to each other, outer top subassembly and wheel hub activity link to each other, recovery subassembly and outer top subassembly activity link to each other, after starting electric locomotive, wheel hub begins to rotate under the drive of external torque, it drives the unit motion, the unit pulls other rail vehicle motion, make whole electric locomotive move, under the effect of outer top subassembly, when electric locomotive begins to start, its wheel hub except and the track between have frictional force, also produce certain frictional force between its and the bottom surface, make wheel hub be difficult for idle running, it can drive electric locomotive motion fast, in addition, outer top subassembly can make electric locomotive drive the track that the slope is high fast, when electric locomotive is fast, the recovery subassembly retrieves outer top subassembly, realize quick start-up of electric locomotive, Efficient climbing is realized, and normal running of the vehicle is not influenced.

According to the technical scheme, the unit comprises a machine body, the hub bearings are connected to two sides of one end of the machine body, and the outer top assembly is arranged at one end of the hub.

According to the technical scheme, the outer top assembly comprises an outer embedded roller and a clamping tooth plate, the outer embedded roller is installed at one end of the hub, a plurality of hollow bins are circumferentially installed on the outer side of the outer embedded roller, a large piston is installed inside the hollow bins in a sliding mode, an ejector rod is installed at one end of the clamping tooth plate, one end, far away from the clamping tooth plate, of the ejector rod penetrates through the hollow bins, and one end, far away from the clamping tooth plate, of the ejector rod is connected with the end face of the large piston.

According to the technical scheme, the air needles are installed on the inner wall of the hollow bin, the plurality of exhaust pumps are installed on the outer side of the outer embedded roller in the circumferential direction, and one end of each exhaust pump is communicated with the air needles.

According to the technical scheme, the recovery assembly comprises the getter pump, a plurality of loop bars are circumferentially installed on the outer side of the getter pump, an inner rod is sleeved inside the loop bars, one end of the inner rod penetrates through the hollow bin, a hollow cavity is formed in the inner rod, the hollow cavity is communicated with the inside of the hollow bin, and the hollow cavity is communicated with the getter pump.

According to the technical scheme, the wide plate is installed at one end, located inside the hollow bin, of the inner rod, and the width of the wide plate is equal to the distance between the air needles inside the hollow bin.

According to the technical scheme, a small piston is installed at one end, located inside the loop bar, of the inner rod, and the small piston is installed inside the loop bar in a sliding mode.

According to the technical scheme, the side face of the section of the inner rod, which is positioned at the outer embedded roller, is provided with the limiting plate.

According to the technical scheme, the end face, close to the outer embedded roller, of the wide plate is provided with the through hole, and the through hole of the wide plate is communicated with the middle cavity.

Compared with the prior art, the invention has the following beneficial effects: through being provided with wheel hub, outer top subassembly and recovery subassembly, wheel hub and unit activity link to each other, after the electric locomotive starts, wheel hub begins to rotate under the drive of external torque, it drives the unit motion, the unit pulls other rail vehicle motion, make whole electric locomotive move, under the effect of outer top subassembly, when making the electric locomotive start, its wheel hub except and the track between have frictional force, also produce certain frictional force between its and the bottom surface, make wheel hub be difficult for idle running, it can drive the electric locomotive motion fast, in addition, outer top subassembly can make the electric locomotive drive the track that the slope is high fast, when electric locomotive speed is very fast, the recovery subassembly is retrieved outer top subassembly, realize the quick start of electric locomotive, high-efficient climbing, and do not influence its normal driving.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a perspective view of the hub of the present invention;

FIG. 3 is a schematic view of an externally mounted roll of the present invention;

FIG. 4 is an enlarged schematic view of portion A of FIG. 3 of the present invention;

in the figure: 1. a unit; 11. a body; 12. a hub;

2. an outer roof assembly; 21. externally embedding a roller; 22. a hollow bin; 23. a toothed plate; 24. an exhaust pump; 25. a top rod; 26. a large piston; 27. air needle;

3. a recovery assembly; 31. a getter pump; 33. a loop bar; 34. a small piston; 35. an inner rod; 36. a hollow cavity; 37. a limiting plate; 38. a broad board.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a trolley locomotive, includes unit 1, and unit 1 includes wheel hub 12, outer top subassembly 2 and retrieves subassembly 3, and wheel hub 12 and unit 1 activity link to each other, and outer top subassembly 2 and wheel hub 12 activity link to each other, retrieves subassembly 3 and outer top subassembly 2 activity and links to each other, and unit 1 includes organism 11, and wheel hub 12 bearing connection is in the both sides of organism 11 one end, and outer top subassembly 2 sets up in wheel hub 12's one end.

Outer top subassembly 2 includes outer roller 21 and latch board 23 of inlaying, outer roller 21 of inlaying is installed in the one end of wheel hub 12, a plurality of hollow storehouses 22 are installed to outer roller 21 outside circumference, hollow storehouse 22 inside slidable mounting has big piston 26, ejector pin 25 is installed to the one end of latch board 23, ejector pin 25 keeps away from the one end of latch board 23 and wears to locate inside hollow storehouse 22, the one end that latch board 23 was kept away from to ejector pin 25 links to each other with big piston 26's terminal surface, install gas needle 27 on hollow storehouse 22's the inner wall, a plurality of air discharge pumps 24 are installed to outer outside circumference of roller 21, air discharge pumps 24's one end and gas needle 27 link up continuously.

Retrieve subassembly 3 and include aspirator pump 31, a plurality of loop bars 33 are installed to aspirator pump 31's outside circumference, loop bar 33 is inside to have cup jointed interior pole 35, interior pole 35 one end is worn to locate inside hollow storehouse 22, interior pole 35 is inside to have seted up hollow cavity 36, hollow cavity 36 and hollow storehouse 22's inside link up continuously, link up continuously between hollow cavity 36 and the aspirator pump 31, interior pole 35 is in the inside one end of hollow storehouse 22 and installs broad plate 38, the width of broad plate 38 and the distance between the inside gas needle 27 of hollow storehouse 22 are equal, interior pole 35 is located the inside one end of loop bar 33 and installs little piston 34, little piston 34 slidable mounting is inside loop bar 33, interior pole 35 is in that the side-mounting of one section of outer roller 21 has limiting plate 37, the broad plate 38 has seted up the through-hole on being close to the terminal surface of outer roller 21, link up continuously between the through-hole and the hollow cavity 36 of broad plate 38.

The working principle is as follows: when the electric locomotive is started, under the driving of external torque, the hub 12 starts to rotate, the exhaust pump 24 is powered on at the moment, the exhaust pump continuously pumps air into the hollow bin 22, the hollow bin 22 is inflated, the large piston 26 moves upwards under the action of air pressure, the ejector rod 25 drives the clamping tooth plate 23 to move outwards, the distance from the clamping tooth plate 23 to the circle center of the hub 12 is larger than the radius of the hub, the hub 12 and the track rub with each other at the moment, the outward-extending clamping tooth plate 23 contacts the ground outside the track, mutual friction is generated between the clamping tooth plate 23 and the ground, the hub 12 at the moment is not easy to idle due to smaller friction force between the hub 12 and the track, and under the condition, the hub 12 can quickly drive the electric locomotive to move, so that the overall starting time of the electric locomotive is shortened.

When the electric locomotive is completely started, the speed of the electric locomotive tends to be stable and fast, the rotating speed of the hub 12 is fast, the small piston 34 is thrown outwards under the action of centrifugal force, the inner rod 35 is driven to move outwards until the inner rod 35 drives the wide plate 38 to move to block the air needle 27, the gas supply inside the hollow cabin 22 is lost, the wide plate 38 moves to be flush with the air needle 27 at most under the blocking of the limiting plate 37, the through hole of the wide plate 38 is opened at the moment, the air suction pump 31 is started, the air inside the hollow cabin 22 is absorbed through the through holes of the hollow cavity 36 and the wide plate 38, the gas inside the hollow cabin 22 is discharged, the pressure is reduced, the large piston 26 drives the clamping plate 23 to retract through the ejector rod 25, and the rotating speed of the hub 12 is prevented from being influenced due to the clamping plate 23 when the hub 12 moves fast.

When wheel hub 12's speed is very fast promptly, the fishback 23 is withdrawed, avoids influencing wheel hub 12 rotational speed, and when wheel hub 12 rotational speed was slow, fishback 23 stretches out, and auxiliary hub 12 rotates fast for the electric locomotive can the quick start with drive over the ramp when starting with climbing.

The quick start and the efficient climbing of the electric locomotive are realized, and the normal running of the electric locomotive is not influenced.

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.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An overhead line electric locomotive, includes unit (1), its characterized in that: the unit (1) comprises a hub (12), an outer top assembly (2) and a recovery assembly (3), the hub (12) is movably connected with the unit (1), the outer top assembly (2) is movably connected with the hub (12), the recovery assembly (3) is movably connected with the outer top assembly (2), the unit (1) comprises a body (11), bearings of the hub (12) are connected to two sides of one end of the body (11), the outer top assembly (2) is arranged at one end of the hub (12), the outer top assembly (2) comprises an outer embedded roller (21) and a clamping tooth plate (23), the outer embedded roller (21) is arranged at one end of the hub (12), a plurality of hollow bins (22) are circumferentially arranged at the outer side of the outer embedded roller (21), a large piston (26) is slidably arranged inside the hollow bin (22), an ejector rod (25) is arranged at one end of the clamping tooth plate (23), one end of the mandril (25) far away from the clamping toothed plate (23) penetrates through the hollow bin (22), one end of the ejector rod (25) far away from the clamping toothed plate (23) is connected with the end surface of the large piston (26), the inner wall of the hollow bin (22) is provided with an air needle (27), the outer side of the outer embedded roller (21) is circumferentially provided with a plurality of exhaust pumps (24), one end of the exhaust pump (24) is communicated with the air needle (27), the recovery assembly (3) comprises an air suction pump (31), a plurality of loop bars (33) are circumferentially arranged on the outer side of the air suction pump (31), an inner rod (35) is sleeved in each loop bar (33), one end of the inner rod (35) is arranged in the hollow bin (22) in a penetrating way, a hollow cavity (36) is arranged in the inner rod (35), the hollow cavity (36) is communicated with the interior of the hollow bin (22), and the hollow cavity (36) is communicated with the air suction pump (31).

2. The trolley according to claim 1, wherein: the inner rod (35) is provided with a wide plate (38) at one end in the hollow cabin (22), and the width of the wide plate (38) is equal to the distance between the air needles (27) in the hollow cabin (22).

3. The trolley according to claim 1, wherein: and a small piston (34) is installed at one end of the inner rod (35) in the sleeve rod (33), and the small piston (34) is installed in the sleeve rod (33) in a sliding mode.

4. The trolley according to claim 1, wherein: and a limiting plate (37) is arranged on the side surface of the section of the inner rod (35) positioned at the outer embedded roller (21).

5. The trolley according to claim 2, wherein: the end face of the wide plate (38) close to the outer embedded roller (21) is provided with a through hole, and the through hole of the wide plate (38) is communicated with the middle hollow cavity (36).