CN211636981U

CN211636981U - Rail lubrication coating nozzle for locomotive and nozzle fixing device

Info

Publication number: CN211636981U
Application number: CN201921675363.XU
Authority: CN
Inventors: 赵雪澎; 曹爱提; 江万波; 杨霄; 张祥东; 赵萍; 马进国
Original assignee: JINAN SANXIN RAILWAY LUBRICATING MATERIAL CO Ltd
Current assignee: JINAN SANXIN RAILWAY LUBRICATING MATERIAL CO Ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-10-09
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses a locomotive rail lubrication coating spray head and a spray head fixing device, wherein the spray head comprises a spray nozzle, a heating body and a heat preservation layer, the upper part of the spray nozzle is connected with the lower part of the heating body, and the lower part of the spray nozzle is provided with an oil outlet which forms an included angle of 15 degrees with the vertical direction; the heat preservation layer is fixedly connected with the heating body through threads, the upper part of the heating body is fixedly connected with the oil delivery pipe through threads, and the oil delivery pipe is connected with the oil delivery pipe fixing frame; the spray nozzle fixing device comprises a support, a conical fixing disc, a long bolt fixing combination, a short bolt fixing combination, a horizontal moving pipe fixing bolt combination and an oil conveying pipe fixing frame, one end of the support is connected and fixed on a shaft box body of a locomotive wheel through the conical fixing disc, the other end of the support is connected with the horizontal moving pipe, and the horizontal moving pipe is connected with the oil conveying pipe fixing frame. The nozzle position and the steel rail coating position are ensured to be in the best matching position, so that the position of the lubricating oil coated on the steel rail is more accurate, and the consumption of the lubricating oil is less.

Description

Rail lubrication coating nozzle for locomotive and nozzle fixing device

Technical Field

The utility model relates to a lubricated coating equipment technical field of curve rail dry-type especially relates to a lubricated coated shower nozzle of rail and shower nozzle fixing device for locomotive.

Background

The vehicle-mounted curved steel rail dry type lubricating coating device in the prior art is usually used for coating the train tail of a passenger train, and a spray head in the coating device is fixedly arranged on a round spring base of a wheel axle box body at the bottom of a passenger train tail carriage through a spray head fixing device. Due to the characteristic that a working place is frequently changed, the spray head needs to be frequently installed and detached from a carriage at the tail part of a passenger train, the position of the spray head needs to be adjusted in place in advance before working, in the prior art, the position adjustment of the spray head is complex, the position precision is not easy to adjust, the workload of an operator is large, the inaccurate spraying position is easy to occur, so that a lubricant cannot be accurately sprayed to a required position, when the spray head cannot be accurately aligned to a steel rail part needing to be sprayed, excessive friction and abrasion of a contact position of a wheel and a curved steel rail can be caused, the service lives of the steel rail and the wheel are influenced, and the running safety operation fault is easy to occur.

In addition, the spray head and the spray head fixing device for passenger train tail coating in the prior art are not suitable for the installation requirement of a freight line. And the utility model discloses a lubricated coating device of locomotive vehicular intelligence's shower nozzle and shower nozzle fixing device install on the SS4B locomotive specially, and the SS4B locomotive is the heavy load electric locomotive of two sections reconnection, the utility model discloses a novel structure of shower nozzle and shower nozzle fixing device installation on locomotive wheel axle box has satisfied the lubricated requirement of this kind of freight transportation circuit.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects existing in the prior art, the utility model aims to provide a locomotive rail lubrication coating spray head and spray head fixing device. The utility model discloses be arranged in the passenger traffic and be different with shower nozzle device and shower nozzle fixing device that the tail was coated among the prior art, this set of device installation targets in place the back, does not have the special condition, need not to be like the passenger traffic is arranged in the tail coating device coating and is once installed and dismantle, the utility model discloses can conveniently adjust the horizontal position and the vertical position of shower nozzle, greatly reduced coating operation personnel's work load, shower nozzle positioning adjustment is convenient and reliable, guarantees that nozzle position and rail coating position are in the best matching position, makes the lubricating oil coating to the position of rail more accurate, the consumption of lubricating oil still less.

The utility model provides a technical scheme that its technical problem adopted is:

a spray head for lubricating and coating a steel rail for a locomotive comprises a spray nozzle, a heating body and a heat insulation layer, wherein the upper part of the spray nozzle is connected with a thread on the lower part of the heating body through a nut, and the lower part of the spray nozzle is provided with an oil outlet forming an included angle of 15 degrees with the vertical direction; the heat preservation layer is fixedly connected with the heating body through threads, the upper portion of the heating body is fixedly connected with the oil conveying pipe through threads, and the oil conveying pipe is connected with the oil conveying pipe fixing frame.

The utility model provides a lubricated coated shower nozzle fixing device of rail for locomotive, shower nozzle fixing device includes support, toper fixed disk, long bolt fixed combination, short bolt fixed combination, horizontal migration pipe fixing bolt combination, defeated oil pipe mount, support one end is passed through toper fixed disk, short bolt fixed combination, long bolt fixed combination and is connected and fix on the axle box body of locomotive wheel, and the other end passes through bolt and nut built-up connection horizontal migration pipe, and horizontal migration pipe is connected with defeated oil pipe mount.

The support comprises a support sleeve, two guide plates, two fixed plates and a guide pipe, wherein the guide plates are connected with one end of the support sleeve in a welding mode, the upper portions of the two fixed plates are connected with the support sleeve in the axial middle position in a welding mode, and the lower portions of the two fixed plates are connected with one end of the guide pipe in a welding mode.

The support sleeve is made of seamless steel tubes, step holes with large apertures are formed in the inner walls of the two ends of the support sleeve, the step holes are matched with the conical fixing discs in an installing mode, and the support sleeve is matched with the two conical fixing discs and a pair of hoisting process holes in the locomotive wheel axle box body to form a first fixing point for the support through fixing and combining the long bolts.

The guide plate is of a steel plate structure, one end of the guide plate is provided with a first through hole, the other end of the guide plate is provided with a slotted bolt hole, an outer cylindrical surface of the support sleeve is matched with the first through hole and is welded into an integral structure, and the slotted bolt hole is matched with the short bolt fixing combination and is used for the short bolt fixing combination to form a second fixed point for the support.

The fixed plates are transition flat plates which are used for connecting the support sleeve and the guide pipe, the upper ends of the two fixed plates are provided with second through holes, and the two fixed plates are respectively matched with the outer cylindrical surface of the support sleeve close to the axial middle of the support sleeve through the second through holes and are assembled and welded into an integral structure.

The guide pipe comprises a first horizontal bending part and a second horizontal bending part which are connected, and the first horizontal bending part and the second horizontal bending part are bent at an angle of 90 degrees; wherein, the outer cylindrical surface of the outer side of the horizontal bending part I is matched with the inner sides of the lower ends of the two fixing plates and is assembled and welded into a whole, and the wall of the bending part II is provided with an axial long bolt groove close to the outer end part.

The conical fixed disk is a conical cylindrical disk and comprises a middle cone, a large cylindrical table top at the outer side and a small cylindrical table top at the inner side which are connected, the cylindrical disk is provided with an axial hole, the diameter of the large cylindrical table top is larger than or equal to that of the large conical end of the cone, and the diameter of the small cylindrical table top is smaller than or equal to that of the small conical end of the cone; the small cylindrical table surface of the conical fixed disc is matched with the step hole of the supporting sleeve, the cone is matched with the two hoisting process holes of the locomotive wheel axle box body, and the large cylindrical table surface is matched with the outer side surfaces of the two hoisting process holes of the locomotive wheel axle box body.

The horizontal migration pipe is including sleeve pipe, the flat board that is connected, and sleeve pipe, flat board assembly welding become integrative structure, there is the bolt hole on the sleeve pipe, the sleeve pipe cover is at the stand end that is equipped with the stand pipe in elongated bolt groove, utilizes bolt nut combination to fix the horizontal migration pipe on the support, be equipped with the bolt hole that is used for fixed defeated oil pipe mount on the flat board.

Defeated oil pipe mount includes left fixed disk, right fixed disk, and left fixed disk passes through bolt and nut built-up connection with the flat board that removes the horizontal pipe, and the material of left fixed disk, right fixed disk is polytetrafluoroethylene, and every fixed disk all has a half slot, and left fixed disk, right fixed disk and the terminal cooperation of columniform defeated oil pipe.

The utility model has the advantages that:

1. the utility model provides a shower nozzle fixing device includes support, toper fixed disk, short bolt fastening combination, long bolt fastening combination, horizontal migration pipe, shower nozzle (defeated oil pipe) mount. The bracket is fixed on the axle box of the locomotive wheel through the long and short bolt fixing combination and the conical fixing disc, and the spray head is indirectly fixed on the bracket in a mode of directly fixing the oil delivery pipe through the horizontal moving pipe. Install the novel structure on locomotive wheel axle box with shower nozzle fixing device, be used for passenger traffic to be listed as the shower nozzle fixing device of tail coating among the prior art and compare, the utility model discloses a back is put in place in the device installation, does not have the special case, need not like passenger traffic to be listed as the installation of coating in the tail coating device and dismantle once, the utility model discloses can conveniently adjust the horizontal position and the vertical position of shower nozzle, greatly reduced coating operation personnel's work load, shower nozzle positioning adjustment is convenient and reliable, guarantees that nozzle position and rail coating position are in the best matching position, makes the lubricating oil coating to the position of rail more accurate, the consumption of lubricating oil still less.

2. The utility model discloses a welded structure of panel and seamless steel pipe is adopted to the support, and structural strength is high, the rigidity is good, conveniently makes through blanking technology and welding machine technology, is difficult to warp behind the atress, can satisfy the fixed required precision of adjusting of shower nozzle well.

3. The utility model discloses the stand pipe in the support adopts the design of seamless steel pipe, alleviates the weight of component, reduces manufacturing cost.

4. The utility model discloses a horizontal migration pipe adopts seamless steel pipe sleeve pipe and dull and stereotyped assembly welding form's structural design, and wherein processing has a set of construction bolt hole on the sleeve pipe, and the terminal elongated fluting bolt hole cooperation of stand pipe on this bolt hole and the support adopts the bolt and nut combination to fix the stand pipe on the support with the horizontal migration pipe, and the terminal elongated fluting bolt hole of stand pipe can guarantee that the horizontal migration pipe is on the horizontal direction and moves the regulation. A group of oil delivery pipe fixing frames made of polytetrafluoroethylene materials are fixedly arranged on a flat plate of the horizontal moving pipe through four groups of bolt and nut combinations, the oil delivery pipe fixing frames with semicircular groove shapes are used for directly and indirectly fixing the spray heads, and the oil delivery pipe can be moved and adjusted in the vertical direction in the semicircular groove shaped oil delivery pipe fixing frames. The horizontal position and the vertical position of the spray head are adjusted through the oil delivery pipe positioning frame, so that the lubricant can be accurately sprayed to the required steel rail position, excessive friction and abrasion of the contact position of the wheel and the curved steel rail are reduced, the service lives of the steel rail and the wheel are prolonged, and the safe operation of a locomotive is ensured.

5. The utility model discloses a shower nozzle mount adopts the polytetrafluoroethylene material, and defeated oil pipe is plastics and hose material, because this coating device and shower nozzle fixing device install and carry out the operation on the locomotive, and operational environment vibrates greatly, and the defeated oil pipe of polytetrafluoroethylene clamping increases frictional force each other and possess enough good elasticity.

6. The utility model discloses a shower nozzle device contains nozzle, heating member, heat preservation triplex. The nozzle is made of red copper, so that the heat conduction is strong and the corrosion resistance is realized; the heating element in the heating body is a PTC sheet, so that the space occupation is small, the heating temperature is constant at 150 degrees, and a temperature control electric element is not needed; the heat preservation adopts the bakelite material, and it is effectual to keep warm, and insulating nature is high. The whole small and exquisite simple, the weight of shower nozzle device is little, directly is connected with defeated oil pipe through helicitic texture, need not to fix alone the shower nozzle again.

Drawings

FIG. 1 is a schematic view of the connection structure of the present invention and the axle housing of the locomotive;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a front view of the spray head fixture;

FIG. 3-1 is a top view of FIG. 3;

FIG. 3-2 is an enlarged view of a portion of FIG. 3-1;

FIG. 4 is a front view of the bracket;

FIG. 4-1 is a top view of FIG. 4;

FIG. 5 is a block diagram of a horizontally moving pipe;

FIG. 5-1 is a top view of FIG. 5;

FIG. 6 is a front view of an oil pipe fixing frame;

fig. 6-1 is a top view of fig. 6.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments.

As shown in fig. 1-6, a rail lubrication coating spray head for a locomotive, the spray head 1 comprises a nozzle 11, a heating body 12 and a heat insulation layer 13, the upper part of the nozzle 11 is connected with a thread on the lower part of the heating body 12 through a nut, and the lower part of the nozzle 11 is provided with an oil outlet forming an included angle of 15 degrees with the vertical direction; the heat preservation layer 13 is fixedly connected with the heating body 12 through threads, the upper portion of the heating body 12 is fixedly connected with the oil delivery pipe 3 through threads, and the oil delivery pipe 3 is connected with the oil delivery pipe fixing frame 27.

A spray nozzle fixing device for lubricating and coating a steel rail for a locomotive is characterized in that the spray nozzle fixing device 2 comprises a support 21, a conical fixing disc 22, a long bolt fixing combination 23, a short bolt fixing combination 24, a horizontal moving pipe 25, a horizontal moving pipe fixing bolt combination 26 and a spray nozzle (oil conveying pipe) fixing frame 27.

The bracket 21 is a main body of the nozzle fixing device, one end of which is fixedly connected to a shaft box body of the locomotive wheel 506 through a tapered fixing disc, a short bolt fixing combination and a long bolt fixing combination, and the other end of which is fixedly connected to the horizontal moving pipe 25 through a bolt and nut combination.

The support 21 comprises a support sleeve 211, two guide plates 212, two fixing plates 213 and a guide pipe 214, wherein the four parts are assembled and welded, the guide plates 212 are connected with one end of the support sleeve 211 through welding, the upper parts of the two fixing plates 213 are respectively connected with the support sleeve 211 through welding near the axial middle position, and the lower parts of the two fixing plates 213 are respectively connected with one end of the guide pipe 214 through welding.

The supporting sleeve 211 is made of seamless steel tube, the inner walls of the two ends of the supporting sleeve 211 are provided with step holes 2111 with larger aperture, the stepped holes are matched with the conical fixed disc 22 in an installing way, the support sleeve 211 is matched with the two conical fixed discs 22 and the pair of hoisting process holes 301 on the locomotive wheel axle box body 30 to form a first fixed point for the bracket 21 through the long bolt fixing combination 23, and when in fixing, the support sleeve 211 of the bracket 21 is placed between the two hoisting process holes of the shaft box body to ensure that the central lines of the two hoisting process holes are coaxial with the central line of the support sleeve, the two conical fixed disks 22 respectively penetrate from the outer sides of the two hoisting process holes and are inserted into the inner wall of the support sleeve, meanwhile, the long bolt in the long bolt fixing combination 23 penetrates through the middle bolt hole of the conical fixing disc at one end and penetrates out of the middle bolt hole of the conical fixing disc at the other end, and the long bolt is screwed by a nut.

The guide plate 212 is of a steel plate structure, one end of the guide plate 212 is provided with a through hole I2121, the other end of the guide plate 212 is provided with a slotted bolt hole 2122, the outer cylindrical surface of the support sleeve 211 is matched with the first through hole and is assembled and welded into an integral structure, the slotted bolt hole is fixedly combined and matched with the short bolt and is used for fixing the short bolt to form a second fixing point for the support, during fixing, a bolt at the lower left of the locomotive wheel axle box body 30 is firstly removed, the bolt is used for fixing the bearing cover at the same time, one end of the guide plate 212 with the slotted bolt hole is tightly attached to the inner side face of the axle box body, the central line of the slotted bolt hole is ensured to be coaxial with the central line of the bolt hole at the position of the removed bolt, the short bolt in the short bolt fixing combination 24 is screwed on the fixed axle box cover on the locomotive axle box body 30, meanwhile, the ends of the short bolts pass through slotted bolt holes of the guide plate 212, and the guide plate is fixed through back fastening of nuts.

The fixing plates 213 are transition flat plates for connecting the support sleeve 211 and the guide tube 214, the upper ends of the two fixing plates 213 are provided with second through holes, the two fixing plates 213 are respectively matched with the outer cylindrical surface of the support sleeve 211 close to the axial middle of the support sleeve through the second through holes and are assembled and welded into an integral structure,

the guide tube 214 comprises a first horizontal bending part 2141 and a second horizontal bending part 2142 which are connected, and the first horizontal bending part and the second horizontal bending part are bent at 90 degrees; wherein the outer face of cylinder in the horizontal kink one outside cooperates with the lower extreme inboard of two fixed plates 213, and assembly welding becomes integrative, is equipped with axial elongated bolt groove 2143 near outer tip on the wall of kink two, and kink two pass through bolt and nut combination and horizontal migration union coupling, be used for fixed horizontal migration pipe, can carry out the ascending removal regulation of horizontal direction to the horizontal migration pipe through elongated bolt groove.

The conical fixed disk 22 is a conical cylindrical disk and comprises a middle cone 221, a large cylindrical table surface 222 on the outer side and a small cylindrical table surface 223 on the inner side which are connected, the cylindrical disk is provided with an axial hole 224, the diameter of the large cylindrical table surface 222 is larger than or equal to that of the large cone end of the cone, and the diameter of the small cylindrical table surface is smaller than or equal to that of the small cone end; the small cylindrical table 223 of the conical fixed disc 22 is matched with the step hole 2111 of the support sleeve 211, the cone 221 is matched with the two hoisting process holes 301 of the locomotive wheel axle box body 30, and the large cylindrical table 222 is matched with the outer side faces of the two hoisting process holes of the locomotive wheel axle box body 30. The conical fixing disks 22 are used in pairs and are respectively arranged at two ends of the shaft box body 211, when the shaft box body fixing device is used, the large-end cylindrical surfaces are clamped on the outer side surfaces of two hoisting process holes of the shaft box body, the small-end cylindrical surfaces are respectively inserted into the inner walls of two ends of the supporting sleeve of the support, and the first fixing point of the support is fixed by combining a long bolt fixing combination.

The short bolt fixing combination comprises a short bolt, a flat pad, an elastic pad and a nut. Wherein the short bolt is arranged in a bolt hole at the lower left part on the locomotive wheel axle box body, the bolt hole is used for fixing one of the bearing covers, and the short bolt is used for fixing the bearing cover and is combined with a nut to fix the second fixing point of the bracket.

The long bolt fixing combination comprises a long bolt, a flat pad, an elastic pad and a nut. The long bolt fixing combination is combined with a pair of conical fixing plates and is used for fixing the first fixing point of the bracket.

The horizontal moving pipe 25 comprises a sleeve 251 and a flat plate 252 which are connected, and the sleeve and the flat plate are assembled and welded into an integral structure. The sleeve is provided with bolt holes, the sleeve is sleeved at the tail end of the guide pipe 214 provided with the long bolt grooves, and the horizontal moving pipe is fixed on the support through the bolt and nut combination. The horizontal moving pipe can be adjusted in the horizontal direction. Four bolt holes are arranged on the flat plate, and the flat plate is combined with bolt nuts and used for fixing a spray head (oil conveying pipe) fixing frame.

The nozzle (oil delivery pipe) fixing frame 27 comprises a left fixing disc 271 and a right fixing disc 272, and the left fixing disc 271 is connected with the flat plate 252 of the movable horizontal pipe through a bolt and a nut in a combined mode. The left fixed disk and the right fixed disk are made of polytetrafluoroethylene, each fixed disk is provided with a semicircular groove, and the left fixed disk and the right fixed disk are matched with the tail end of the cylindrical oil conveying pipe. When the oil delivery pipe fixing device is used, the semi-circular grooves of the left fixing disc and the right fixing disc are utilized to clamp the cylindrical oil delivery pipe tail end (the bottom of the oil delivery pipe tail end is connected with the spray head), and the oil delivery pipe (the spray head) is fixed on a flat plate of the movable horizontal pipe through the bolt and nut combination. The oil delivery pipe (nozzle) can be adjusted in the vertical direction. Because the nozzle is small and exquisite and simple, the nozzle is fixed by directly fixing the oil delivery pipe by the nozzle (oil delivery pipe) fixing frame, and the upper position and the lower position of the nozzle are adjusted by adjusting the fixing position of the oil delivery pipe up and down.

The foregoing is only a preferred embodiment of this patent, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of this patent, and these modifications and substitutions should also be regarded as the protection scope of this patent.

Claims

1. A locomotive rail lubrication coating spray head is characterized by comprising a spray nozzle, a heating body and a heat insulation layer, wherein the upper part of the spray nozzle is connected with a thread on the lower part of the heating body through a nut, and the lower part of the spray nozzle is provided with an oil outlet forming an included angle of 15 degrees with the vertical direction; the heat preservation layer is fixedly connected with the heating body through threads, the upper portion of the heating body is fixedly connected with the oil conveying pipe through threads, and the oil conveying pipe is connected with the oil conveying pipe fixing frame.

2. A spray nozzle fixing device for lubricating and coating a steel rail for a locomotive is characterized by comprising the spray nozzle as claimed in claim 1, wherein the spray nozzle fixing device comprises a support, a conical fixing disc, a long bolt fixing combination, a short bolt fixing combination, a horizontal moving pipe fixing bolt combination and an oil conveying pipe fixing frame, one end of the support is connected and fixed on a shaft box body of a locomotive wheel through the conical fixing disc, the short bolt fixing combination and the long bolt fixing combination, the other end of the support is connected with the horizontal moving pipe through a bolt and nut combination, and the horizontal moving pipe is connected with the oil conveying pipe fixing frame.

3. A nozzle fixing device for lubricating and coating a rail for a locomotive as claimed in claim 2, wherein said bracket comprises a support sleeve, a guide plate, two fixing plates and a guide tube, said guide plate is connected with one end of the support sleeve by welding, the upper parts of the two fixing plates are respectively connected with the support sleeve by welding near the axial middle position, and the lower parts of the two fixing plates are respectively connected with one end of the guide tube by welding.

4. A nozzle fixing device for lubricating and coating a rail for a locomotive according to claim 3, wherein the support sleeve is made of seamless steel pipe, stepped holes are formed in the inner walls of the two ends of the support sleeve, the stepped holes are matched with the conical fixing plates in an installing manner, and the support sleeve is matched with the two conical fixing plates and a pair of hoisting process holes in the locomotive wheel axle box body to form a first fixing point for the support through fixing and combining the long bolts.

5. A nozzle fixing device for lubricating and coating a steel rail for a locomotive as claimed in claim 3, wherein said guide plate is made of steel plate, one end of said guide plate is provided with a first through hole, the other end of said guide plate is provided with a slotted bolt hole, the outer cylindrical surface of said support sleeve is matched with the first through hole and is welded into a whole structure, and said slotted bolt hole is matched with the short bolt fixing combination and is used for forming a second fixing point for the short bolt fixing combination to the support.

6. A nozzle fixing device for lubricating and coating a rail for a locomotive according to claim 3, wherein the fixing plates are transition flat plates for connecting the support sleeve and the guide tube, two through holes are formed at the upper ends of the two fixing plates, and the two fixing plates are respectively matched with the outer cylindrical surface of the support sleeve near the axial middle of the support sleeve through the two through holes and are integrally welded together.

7. A locomotive rail lubricant coating nozzle fixing device as claimed in claim 3, wherein said guide tube comprises a first horizontal bending portion and a second horizontal bending portion connected with each other, said first horizontal bending portion and said second horizontal bending portion are bent at 90 °; wherein, the outer cylindrical surface of the outer side of the horizontal bending part I is matched with the inner sides of the lower ends of the two fixing plates and is assembled and welded into a whole, and the wall of the bending part II is provided with an axial long bolt groove close to the outer end part.

8. A nozzle fixing device for lubricating and coating a steel rail for a locomotive as claimed in claim 2, wherein the conical fixed disk is a conical cylindrical disk comprising a middle cone, a large cylindrical table surface at the outer side and a small cylindrical table surface at the inner side which are connected, the cylindrical disk is provided with an axial hole, the diameter of the large cylindrical table surface is more than or equal to that of the large conical end of the cone, and the diameter of the small cylindrical table surface is less than or equal to that of the small conical end of the cone; the small cylindrical table surface of the conical fixed disc is matched with the step hole of the supporting sleeve, the cone is matched with the two hoisting process holes of the locomotive wheel axle box body, and the large cylindrical table surface is matched with the outer side surfaces of the two hoisting process holes of the locomotive wheel axle box body.

9. A nozzle fixing device for lubricating and coating a rail for a locomotive according to claim 2, wherein the horizontal moving pipe comprises a sleeve pipe and a flat plate which are connected with each other, the sleeve pipe and the flat plate are welded into a whole, the sleeve pipe is provided with bolt holes, the sleeve pipe is sleeved on the tail end of the guide pipe provided with the long bolt grooves, the horizontal moving pipe is fixed on the bracket by using bolt and nut combinations, and the flat plate is provided with bolt holes for fixing an oil pipeline fixing frame.

10. The nozzle fixing device for lubricating and coating the steel rail for the locomotive according to claim 2, wherein the oil delivery pipe fixing frame comprises a left fixing disc and a right fixing disc, the left fixing disc is connected with a flat plate of the movable horizontal pipe through a bolt and a nut in a combined manner, the left fixing disc and the right fixing disc are made of polytetrafluoroethylene, each fixing disc is provided with a semicircular groove, and the left fixing disc and the right fixing disc are matched with the tail end of the cylindrical oil delivery pipe.