CN117163824A - Maintenance tool and maintenance method for diesel locomotive - Google Patents

Maintenance tool and maintenance method for diesel locomotive Download PDF

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Publication number
CN117163824A
CN117163824A CN202311260253.8A CN202311260253A CN117163824A CN 117163824 A CN117163824 A CN 117163824A CN 202311260253 A CN202311260253 A CN 202311260253A CN 117163824 A CN117163824 A CN 117163824A
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CN
China
Prior art keywords
maintenance
diesel locomotive
lifting
locomotive
maintenance tool
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311260253.8A
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Chinese (zh)
Inventor
刘强
曹启坤
吴样明
余吉权
刘志雄
简海山
詹晓成
黄世东
杨志意
杨楚高
黄锐
陈海龙
潘绍科
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Zhongnan Iron and Steel Co Ltd
Original Assignee
Guangdong Zhongnan Iron and Steel Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Zhongnan Iron and Steel Co Ltd filed Critical Guangdong Zhongnan Iron and Steel Co Ltd
Priority to CN202311260253.8A priority Critical patent/CN117163824A/en
Publication of CN117163824A publication Critical patent/CN117163824A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a maintenance tool and a maintenance method of an internal combustion locomotive, comprising the following steps: the lifting bracket comprises a vertical column and two horizontal beams, wherein the vertical column is vertically arranged, and the two horizontal beams are arranged on the same side of the vertical column at intervals along the vertical direction; one end of the suspender is hinged with one end of the beam above the suspender, which is away from the upright post, and the other end of the suspender is provided with a lifting lug; one end of the spring is connected with one end, close to the upright post, of the cross beam positioned above, and the other end of the spring is connected with the non-end part of the suspender; the connecting assembly is arranged at one end of the beam, which is positioned below, deviating from the upright post, and is used for being connected and fixed with a maintenance object. The maintenance tool is used for hoisting maintenance objects from the side wall positions of the diesel locomotive, and has the characteristics of high maintenance efficiency and good hoisting balance.

Description

Maintenance tool and maintenance method for diesel locomotive
Technical Field
The invention relates to the technical field of maintenance of diesel locomotives, in particular to a maintenance tool and a maintenance method of a diesel locomotive.
Background
The diesel locomotive is a common transportation device on the iron-making and steel-making production line. Diesel engines and cooling systems for cooling the diesel engines are disposed in diesel locomotives. Specifically, three air intercoolers (also called as intercooler) are respectively installed on the diesel engine, and the intercooler is used for cooling high-temperature and high-pressure air conveyed by the supercharger compressor and then conveying the air into a cylinder of the diesel engine. The intercooler is arranged on a side wall of the diesel engine body. Because the intercooler runs in a high-temperature and high-pressure environment for a long time, the intercooler is easy to have faults such as corrosive water leakage or system blockage. In the maintenance operation of the intercooler, the intercooler needs to be lifted off the diesel locomotive so as to carry out corresponding maintenance on the intercooler.
The existing maintenance mode is as follows: and removing the area, corresponding to the intercooler, on the ceiling of the diesel locomotive, and then lifting the intercooler out of the top of the diesel locomotive by using a travelling crane. Because accessories such as a silencing layer are arranged on the ceiling of the diesel locomotive, the disassembly and the assembly processes are numerous, and the maintenance workload is increased.
Disclosure of Invention
The invention aims to provide a maintenance tool and a maintenance method for an internal combustion locomotive, which can hoist maintenance objects from side walls of the internal combustion locomotive, avoid dismantling a ceiling of the internal combustion locomotive and have high maintenance operation efficiency; during lifting, the maintenance tool has good balance performance, and unbalance of maintenance objects can be avoided.
To achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a pair of diesel locomotive maintenance frock, include:
the lifting support comprises a vertical column and two horizontal beams, wherein the vertical column is vertically arranged, and the two horizontal beams are arranged on the same side of the vertical column at intervals along the vertical direction;
one end of the suspender is hinged with one end, away from the upright post, of the cross beam positioned above the suspender, and the other end of the suspender is provided with a lifting lug;
one end of the spring is connected with one end, close to the upright post, of the cross beam positioned above the spring, and the other end of the spring is connected with the non-end part of the suspender;
the connecting assembly is arranged at one end, located below, of the cross beam, deviating from the upright post, and the connecting assembly is used for being connected and fixed with a maintenance object.
Further, the two cross beams are respectively arranged at two ends of the upright post.
Further, the lifting lug is located above the upright post.
Further, an included angle between the boom and the beam is α, an included angle between the spring and the beam is β, and α=β.
Further, a plurality of rollers are arranged at the bottom of the cross beam below, so that the lifting support can move on the diesel locomotive through the rollers.
Further, the diesel locomotive further comprises a guide pulley, wherein the guide pulley is arranged outside the diesel locomotive, and one end of the lifting rope bypasses the guide pulley and is connected with the lifting lug.
Further, the connecting component is provided with a mounting hole for mounting a fastener, and the connecting component is fixedly connected with the maintenance object through the fastener.
Further, the connecting assembly comprises two connecting pieces which are arranged in a telescopic mode, and the two connecting pieces are provided with the mounting holes.
The maintenance method also provides a maintenance tool for the diesel locomotive, and specifically comprises the following steps:
s10, forming a maintenance hole in a side wall of the internal combustion locomotive, and enabling the maintenance hole to be opposite to a maintenance object;
s20, installing and fixing the maintenance tool of the diesel locomotive and the maintenance object;
and S30, horizontally lifting the maintenance tool of the diesel locomotive, and enabling the maintenance object to move to the outside of the diesel locomotive.
Further, a guide pulley is further provided, the guide pulley is mounted at the top of the maintenance hole, one end of the lifting rope bypasses the guide pulley and is connected with the maintenance tool, the lifting rope is firstly retracted upwards to drive the maintenance tool to move towards the outside of the diesel locomotive along the horizontal direction, and the lifting rope is straightened in the vertical direction.
Compared with the prior art, the invention has the beneficial effects that:
according to the maintenance tool and the maintenance method for the diesel locomotive, the C-shaped lifting support is arranged, and the intercooler to be maintained is installed on the lifting support by utilizing the connecting component. The hanger bar, the spring and the upper cross beam are connected into a triangular structure, and the structure is beneficial to arranging the lifting lug at the side position (non-neutral position) of the lifting support so that the lifting lug can be positioned outside the maintenance hole. Meanwhile, the structure distributes stress through the suspender and the spring, so that the whole maintenance tool is balanced during lifting, and the large inclination is avoided, so that the lifting requirement of the intercooler is met. The intercooler is lifted from the side wall of the diesel locomotive by using the maintenance tool, so that the removal of a ceiling is avoided, the working hours of the whole maintenance operation are reduced, and the maintenance efficiency is improved.
Drawings
The invention is described in further detail below with reference to the drawings and examples.
FIG. 1 is a schematic illustration of an internal combustion locomotive in accordance with an embodiment of the present invention.
Fig. 2 is a schematic diagram of an internal combustion locomotive maintenance tool according to an embodiment of the invention.
In the figure:
1. lifting the bracket; 11. a column; 12. a cross beam; 2. a boom; 21. lifting lugs; 3. a spring; 4. a connection assembly; 5. a roller; 6. and a guide pulley.
100. An internal combustion locomotive; 110. a bottom plate; 120. a side wall; 130. a ceiling; 140. a diesel engine; 150. an intercooler; 160. a maintenance hole; 200. a hanging rope; 300. and (5) driving.
Detailed Description
In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the invention more clear, the technical scheme of the invention is further described below by a specific embodiment in combination with the attached drawings.
As shown in fig. 1 and 2, the present invention provides a maintenance tool for an internal combustion locomotive (hereinafter referred to as a maintenance tool) for use in maintenance operation of an internal combustion locomotive 100. The diesel locomotive 100 includes a body, a diesel engine 140, and an intercooler 150. The vehicle body comprises a bottom plate 110, a ceiling 130 and two side walls 120. The bottom plate 110 and the ceiling 130 are disposed at intervals along the height direction (Y direction in the drawing) of the diesel locomotive 100, the two side walls 120 are disposed at intervals along the width direction (X direction in the drawing) of the diesel locomotive 100, and two ends of the side walls 120 are respectively connected with the bottom plate 110 and the ceiling 130, so that an installation space is defined among the bottom plate 110, the ceiling 130 and the two side walls 120. Diesel engine 140 and intercooler 150 are installed in the installation space of internal combustion locomotive 100. The diesel engine 140 is used to power the diesel locomotive 100, and the intercooler 150 is used to cool air input to the diesel engine 140. Along the width direction of the diesel locomotive 100, three intercoolers 150 are respectively installed at opposite sides of the diesel engine 140, and the three intercoolers 150 are sequentially distributed along the length direction of the diesel locomotive 100. In this embodiment, the maintenance object is the intercooler 150, and when the intercooler 150 is maintained, the crane 300 is required to be used to hoist the intercooler 150 to the maintenance station, so as to disassemble and maintain the intercooler 150.
The maintenance tool comprises a lifting bracket 1, a lifting rod 2, a spring 3 and a connecting component 4. The lifting support 1 is in a C shape, the lifting support 1 comprises a vertical column 11 and two cross beams 12, the length of the vertical column 11 extends along the vertical direction, and the length of the cross beams 12 extends along the horizontal direction. The two cross beams 12 are arranged on the same side of the upright 11 at intervals in the vertical direction. Preferably, two cross members 12 are provided at both ends of the column 11 in the longitudinal direction, respectively. Of the two beams 12, the beam 12 located above is a first beam, and the beam 12 located below is a second beam. The boom 2 is mounted on the first beam, one end of the boom 2 is hinged to one end of the second beam, which is away from the upright 11, and the other end of the boom 2 is provided with a lifting lug 21. The end of the boom 2 having the lifting lug 21 extends in the direction of the upright 11. When in lifting, one end of the lifting rope 200 is connected with the lifting lug 21. One end of the spring 3 is connected with one end of the first cross beam close to the upright 11, and the other end is connected with the non-end of the boom 2. It is also understood that the connection point between the spring 3 and the boom 2 is located between the two ends of the boom 2, so that the connection line of the connection point of the spring 3 and the boom 2, the connection point of the boom 2 and the first beam, and the connection point of the spring 3 and the first beam is triangular.
The coupling assembling 4 sets up in the one end that the second crossbeam deviates from stand 11, and coupling assembling 4 is used for being connected fixedly with intercooler 150. The connection assembly 4 is provided with mounting holes for penetrating fasteners, such as bolts or screws. The intercooler 150 is provided with a flange for connecting with a pipeline, and the connecting assembly 4 and the flange of the intercooler 150 are fixedly connected by using a fastener. Specifically, the connecting assembly 4 comprises two connecting pieces, wherein the two connecting pieces are a first connecting piece and a second connecting piece respectively, and mounting holes are formed in the two connecting pieces. The two connecting pieces are arranged in a telescopic way, namely the first connecting piece is connected with the first cross beam, and the second connecting piece is spliced with the first connecting piece and locked by a screw. By providing the two connectors telescopically such that the spacing of the mounting holes on the connection assembly 4 is adjustable to accommodate the hole sites on the intercooler 150.
During maintenance operation, the side wall 120 of the diesel locomotive 100 is provided with a maintenance hole 160. The service hole 160 may also be a door, window, etc. on the sidewall 120. The cooler 150 is hoisted by the crane 300. Specifically, one end of the lifting rope 200 is connected with the crane of the crane 300, and the other end is connected with the lifting lug 21 of the maintenance tool. The service fixture is lifted to the service hole 160 and the end of the cross beam 12 facing away from the upright 11 is positioned in the diesel locomotive 100. The intercooler 150 is installed on a maintenance tool through the connection assembly 4, and then the intercooler 150 is horizontally lifted by the crane 300 so that the intercooler 150 is lifted to the outside of the diesel locomotive 100 through the maintenance hole 160.
It will be appreciated that when lifting the intercooler 150, it is necessary to maintain its equilibrium state, i.e., the intercooler 150 cannot be turned upside down, or the intercooler 150 is greatly tilted (i.e., the maintenance object is unbalanced). The lifting support 1 is arranged in a C shape, so that the lifting support 1 can be connected with the intercooler 150 from the maintenance hole 160 on the side wall 120 during lifting. Avoiding the removal of the ceiling 130 and reducing maintenance effort. When handling the intercooler 150, one end of the cross beam 12 may be passed into the diesel locomotive 100 through the service hole 160, and the end of the boom 2 having the lifting lug 21 is located outside the diesel locomotive 100. At the same time, under the action of the spring 3, the weight of the intercooler 150 is distributed on both the boom 2 and the spring 3. So that the connection position of the lifting rope 200 during lifting of the intercooler 150 is not at the center of the lifting bracket 1, and at the same time, the lifting bracket 1 is kept from tilting during lifting.
Alternatively, the angle between the boom 2 and the beam 12 is α, the angle between the spring 3 and the beam 12 is β, and α=β. The structure enables the connecting lines of the connecting point of the spring 3 and the suspender 2, the connecting point of the suspender 2 and the first cross beam and the connecting point of the spring 3 and the first cross beam to be isosceles triangle. The structure can enable the gravity center of the whole maintenance tool to be closer to the center of the lifting support 1 during lifting so as to avoid the inclination of the maintenance tool. The boom 2 is arranged obliquely with respect to the cross beam 12 such that the end of the boom 2 with the lifting lug 21 extends towards one side of the upright 11. In this embodiment, the lifting lug 21 is located above the upright 11, so that the lifting lug 21 is located outside the diesel locomotive 100 when the intercooler 150 is installed.
Optionally, the maintenance tool further comprises a roller 5 and a guide pulley 6. The number of the rollers 5 is plural, and the rollers 5 are installed at the bottom of the beam 12 positioned below, i.e. the bottom of the second beam is provided with the rollers 5. The lifting frame 1 can be moved on the floor 110 of the internal combustion engine 100 by means of the rollers 5. The guide pulley 6 functions to change the direction of the hoist rope 200, the guide pulley 6 is installed outside the internal combustion engine 100, and one end of the hoist rope 200 bypasses the guide pulley 6 and is connected with the lifting lug 21. The turning of the hoist rope 200 is achieved by the guide pulley 6. In practical application, when the position of the intercooler 150 is far away from the maintenance hole 160, the whole maintenance tool can be moved to a position close to the intercooler 150 through the roller 5, so as to realize the installation connection of the maintenance tool and the intercooler 150. The guide pulley 6 is installed near the top of the service hole 160, and one end of the hoist rope 200 passes around the guide pulley 6 and extends to the inside of the diesel locomotive 100. The turning of the hoist rope 200 is achieved by the guide pulley 6. When in lifting, the lifting rope 200 is upwards retracted, and the maintenance tool moves from the inside to the outside of the diesel locomotive 100 along the horizontal direction under the action of the guide pulley 6. When the service fixture is moved to a position close to the service hole 160, the lifting rope 200 is straightened, and the service fixture is lifted to a service station together with the intercooler 150 by the crane 300.
The remarkable effects of this embodiment are: by providing the lifting bracket 1 in a C-shape, the intercooler 150 to be maintained is mounted on the lifting bracket 1 by using the connection assembly 4. The connection between the boom 2, the spring 3 and the upper cross beam 12 is in a triangular configuration which facilitates the positioning of the lifting lug 21 in a lateral position (non-neutral position) of the lifting bracket 1 so that the lifting lug 21 can be located outside the service hole 160. Meanwhile, the structure distributes stress through the suspender 2 and the spring 3, so that the whole maintenance tool is balanced during lifting, and the large inclination is avoided, so that the lifting requirement of the intercooler 150 is met. The intercooler 150 is lifted from the side wall 120 of the diesel locomotive 100 by using the maintenance tool, so that the removal of the ceiling 130 is avoided, the working hours of the whole maintenance operation are reduced, and the maintenance efficiency is improved.
As shown in fig. 1 and 2, a maintenance method and a maintenance tool are also provided. The method specifically comprises the following steps:
in step S10, a maintenance hole 160 is formed in the side wall 120 of the internal combustion locomotive 100, and the maintenance hole 160 is opposite to the intercooler 150 to be maintained.
Step S20, lifting the maintenance tool into the maintenance hole 160 by using the crane 300, wherein one end of the lifting rope 200 is connected to the lifting lug 21 of the maintenance tool. One end of the lifting bracket 1, which is far away from the lifting lug 21, is inserted into the internal part of the diesel locomotive 100 through the maintenance hole 160, and the lifting lug 21 is positioned outside the diesel locomotive 100 and is fixed with the intercooler 150 through the connecting assembly 4.
Step S30, horizontally lifting the maintenance tool, moving the maintenance tool together with the intercooler 150 to the outside of the diesel locomotive 100, and finally lifting the intercooler 150 to a maintenance station.
Optionally, a guide pulley 6 is provided when the intercooler 150 is located at a relatively large distance from the side wall 120, and the guide pulley 6 is installed at the top of the service hole 160. One end of the lifting rope 200 is connected with a crane of the crane 300, and the other end is connected with the lifting lug 21. The maintenance tool is moved to the inside of the diesel locomotive 100 through the roller 5 and is installed and fixed with the intercooler 150. The hoist rope 200 is wound around the guide pulley 6 to realize the turning of the hoist rope 200. When in lifting, the lifting rope 200 is lifted and retracted firstly, so that the maintenance tool is driven to move towards the outside of the diesel locomotive 100 along the horizontal direction. When the service fixture is moved to the position of the service hole 160, the hoist rope 200 is straightened in the vertical direction. The horizontal handling service fixture then exits the diesel locomotive 100 along with the intercooler 150.
The maintenance method avoids the disassembly of the ceiling 130 by lifting the intercooler 150 from the side wall 120 of the diesel locomotive 100, reduces the working hours of the whole maintenance operation, and is beneficial to improving the maintenance efficiency.
The foregoing is merely exemplary of the present invention, and those skilled in the art should not be considered as limiting the invention, since modifications may be made in the specific embodiments and application scope of the invention in light of the teachings of the present invention.

Claims (10)

1. The utility model provides a diesel locomotive maintenance frock which characterized in that includes:
the lifting support comprises a vertical column and two horizontal beams, wherein the vertical column is vertically arranged, and the two horizontal beams are arranged on the same side of the vertical column at intervals along the vertical direction;
one end of the suspender is hinged with one end, away from the upright post, of the cross beam positioned above the suspender, and the other end of the suspender is provided with a lifting lug;
one end of the spring is connected with one end, close to the upright post, of the cross beam positioned above the spring, and the other end of the spring is connected with the non-end part of the suspender;
the connecting assembly is arranged at one end, located below, of the cross beam, deviating from the upright post, and the connecting assembly is used for being connected and fixed with a maintenance object.
2. The maintenance tool for an internal combustion locomotive according to claim 1, wherein two cross beams are respectively arranged at two ends of the upright post.
3. The diesel locomotive service fixture of claim 1, wherein the lifting lug is located above the upright.
4. The diesel locomotive service tool of claim 1, wherein an angle between the boom and the cross beam is α, an angle between the spring and the cross beam is β, and α = β.
5. The diesel locomotive service fixture of claim 1, wherein a plurality of rollers are provided at the bottom of the cross beam below to enable the lifting bracket to move on the diesel locomotive via the rollers.
6. The diesel locomotive maintenance tool of claim 5, further comprising a guide pulley mounted on the exterior of the diesel locomotive, wherein one end of a lifting rope bypasses the guide pulley and is connected to the lifting lug.
7. The maintenance tool for an internal combustion locomotive according to any one of claims 1 to 6, wherein a mounting hole for mounting a fastener is provided on the connection assembly, and the connection assembly is fixedly connected with the maintenance object by the fastener.
8. The diesel locomotive maintenance tool of claim 7, wherein the connecting assembly comprises two telescopically arranged connecting pieces, and the mounting holes are formed in both connecting pieces.
9. A method of maintenance, characterized by providing a maintenance tool for an internal combustion locomotive as claimed in any one of claims 1 to 8, comprising in particular the steps of:
s10, forming a maintenance hole in a side wall of the internal combustion locomotive, and enabling the maintenance hole to be opposite to a maintenance object;
s20, installing and fixing the maintenance tool of the diesel locomotive and the maintenance object;
and S30, horizontally lifting the maintenance tool of the diesel locomotive, and enabling the maintenance object to move to the outside of the diesel locomotive.
10. The maintenance method according to claim 9, further comprising providing a guide pulley mounted on the top of the maintenance hole, and winding one end of the lifting rope around the guide pulley and connected to the maintenance tool, and retracting the lifting rope upward to drive the maintenance tool to move horizontally toward the outside of the diesel locomotive and straighten the lifting rope vertically.
CN202311260253.8A 2023-09-27 2023-09-27 Maintenance tool and maintenance method for diesel locomotive Pending CN117163824A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311260253.8A CN117163824A (en) 2023-09-27 2023-09-27 Maintenance tool and maintenance method for diesel locomotive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311260253.8A CN117163824A (en) 2023-09-27 2023-09-27 Maintenance tool and maintenance method for diesel locomotive

Publications (1)

Publication Number Publication Date
CN117163824A true CN117163824A (en) 2023-12-05

Family

ID=88943081

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311260253.8A Pending CN117163824A (en) 2023-09-27 2023-09-27 Maintenance tool and maintenance method for diesel locomotive

Country Status (1)

Country Link
CN (1) CN117163824A (en)

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