CN213384341U - Movable electric hydraulic support trolley for disassembling and assembling locomotive gear box - Google Patents
Movable electric hydraulic support trolley for disassembling and assembling locomotive gear box Download PDFInfo
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- CN213384341U CN213384341U CN202022319703.4U CN202022319703U CN213384341U CN 213384341 U CN213384341 U CN 213384341U CN 202022319703 U CN202022319703 U CN 202022319703U CN 213384341 U CN213384341 U CN 213384341U
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- supporting part
- gear box
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- locomotive
- disassembly
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Abstract
The utility model discloses a movable electric hydraulic support trolley for disassembling and assembling a locomotive gear box, which comprises a movable electric hydraulic lifting platform, a gear box seat and an adjusting mechanism, wherein the movable electric hydraulic lifting platform comprises a flat-bed cart, a lifting mechanism and a power supply power box which are arranged on the flat-bed cart, and two mutually parallel slide rails are arranged on a storage platform at the top of the lifting mechanism; the gear box seat comprises a fixed supporting part and a movable supporting part which are oppositely arranged, the bottoms of the fixed supporting part and the movable supporting part are both connected with the two slide rails in a sliding manner, and the fixed supporting part and the movable supporting part jointly support the gear box to be disassembled and assembled after approaching; the adjusting mechanism is used for adjusting the position of the fixed supporting part on the sliding rail. The utility model discloses can play safety, effectual supporting role to the dismouting of locomotive gear box under casing, reduce maintenance operation personnel intensity of labour, improve the operating efficiency.
Description
Technical Field
The utility model relates to a device of locomotive machine part dismouting especially relates to a portable electronic hydraulic pressure support dolly that is used for locomotive gear box dismouting.
Background
The SS4 type electric locomotive and the HXD1 type electric locomotive share 8 gear boxes; 6 gear boxes are arranged in total on the diesel locomotives of DF4 type, DF8B type and DF12 type; the gear boxes of various vehicle types have different widths and irregular shapes, the total weight of the gear boxes of each vehicle type is 137-150KG, the gear boxes are divided into an upper box part and a lower box part, and the weight of the lower box of the gear boxes is 68.5-75 KG. Generally, the gear box is disassembled and assembled because the felt strips are damaged and broken, and the meshing between an upper gear box and a lower gear box is not tightly sealed, so that the gear box leaks oil or seeps oil; and secondly, the felt strip of the axle suspension bush is damaged and broken or the oil level is high, so that oil channeling between the gear box and the axle suspension bush is caused, the axle suspension bush is lack of oil, the oil of the gear box is discolored and deteriorated, and the lubricating and cooling effects of the big gear and the small gear cannot be well achieved.
In the prior art, 4 overhaul operators need to enter a trench during disassembly, wherein 2 persons squat under the gear box and lift the gear box by hands or carry the gear box by shoulders to support the bottom of the gear box by manpower; the remaining 2 people stand respectively the gear box front and back both ends position, and 1 people holds up the gear box lower box, and 1 people uses the air gun to dismantle fixing bolt, and 30 #'s bolt is 4, and 36# fixing bolt is 2. Because 587 glue with strong viscosity is used at the meshing position between the upper box and the lower box of the gear box, after the fixing bolt is disassembled, 3 persons are required to support the gear box, 1 person uses a crowbar to pry the upper box and the lower box from a gap between the upper box and the lower box, the upper box and the lower box of the gear box are finally separated, then 4 persons lift the lower box of the gear box together, the maintenance area is placed for maintenance, and the felt strips are replaced. After the overhaul, when the lower gearbox was installed, 4 workers installed the operation according to dismantling the opposite order of the lower gearbox.
The gear box lower box disassembly time is about 30 minutes, wherein the manual support time is about 10 minutes. The floor maintenance time of the gear box is about 30 minutes; the smooth condition of gear box under the time of installation is about 40 minutes, wherein need align gear box upper and lower case fixing bolt hole, needs the manpower to support the time and is about 15 minutes. The whole-course manual supporting time for dismounting the lower gearbox is about 25 minutes, the lower gearbox of 68.5-75KG is supported by manpower in the 25 minutes, and the total weight of the lower gearbox is 70-77.5KG by the weight of the gearbox oil. The lower box of the locomotive gear box has the characteristics of heavy weight, irregular shape and the like, and is supported by 4 overhaul operators in order to ensure the safety and reliability of the disassembly and assembly process of the gear box. But the dismounting and mounting of the lower box of the gear box have the following problems: firstly, the potential safety hazard is great; secondly, the labor intensity of the overhaul operators is increased; thirdly, the efficiency of the maintenance operation is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a portable electronic hydraulic pressure support dolly for locomotive gear box dismouting can play safety, effectual supporting role to the dismouting of locomotive gear box lower box, reduces maintenance operation personnel intensity of labour, improves the operating efficiency.
The utility model discloses a solve above-mentioned technical problem, the technical scheme who adopts is: a movable electric hydraulic support trolley for disassembling and assembling a locomotive gear box comprises a movable electric hydraulic lifting platform, a gear box seat and an adjusting mechanism, wherein the movable electric hydraulic lifting platform comprises a flat-plate trolley, a lifting mechanism and a power supply power box, the lifting mechanism and the power supply power box are arranged on the flat-plate trolley, the power supply power box provides power for the lifting mechanism and controls the lifting mechanism to run, a storage platform is fixed at the top of the lifting mechanism, and two mutually parallel slide rails are arranged on the storage platform; the gear box seat comprises a fixed supporting part and a movable supporting part which are oppositely arranged, the bottoms of the fixed supporting part and the movable supporting part are both connected with the two slide rails in a sliding manner, and the fixed supporting part and the movable supporting part jointly support the gear box to be disassembled and assembled after approaching; the adjusting mechanism comprises a supporting block and a cantilever rocker in threaded connection with the supporting block, the supporting block is fixed on the storage platform and located on the outer side of the movable supporting part, the free end of the cantilever rocker penetrates through the supporting block and then is rotatably connected with the fixed supporting part, and the fixed supporting part does not have displacement relative to the axial direction of the cantilever rocker in the rotating process.
Furthermore, the fixed supporting part and the movable supporting part form a cuboid with an upper opening after being close to each other.
Furthermore, the two corresponding ends of the side walls of the fixed supporting part and the movable supporting part are provided with fine adjustment knobs.
Furthermore, two fixing bolts are arranged on the side wall of the movable supporting part and used for fixing the movable supporting part and the outer side of the gear box.
Furthermore, hand wheels convenient for manual adjustment are arranged on the fixing bolt and the fine adjustment knob.
Furthermore, a bearing is fixedly arranged on the fixed supporting part at a position opposite to the free end of the cantilever rocker, and the free end of the cantilever rocker is fixedly connected with the inner ring of the bearing.
Furthermore, the lateral walls of the opposite surfaces of the fixed supporting part and the movable supporting part are provided with transverse through grooves, a gear box base supporting plate is detachably mounted at the through grooves, and the through grooves are located above the cantilever rocker.
Furthermore, a movable locking nut is arranged on the sliding rail and positioned on the outer sides of the fixed supporting part and the movable supporting part, and the gear box seat is prevented from moving after the movable locking nut is locked.
Furthermore, the lifting mechanism adopts a scissor lift, the scissor lift controls the lifting mechanism to lift through a hydraulic oil cylinder, and the hydraulic oil cylinder is controlled by the power box.
Furthermore, universal wheels for moving front, back, left and right are arranged at the bottom of the flat-plate cart; one side of the flat-bed cart is provided with a push-pull rod.
The utility model discloses the beneficial effect who brings is: (1) the universality is strong: because fixed support portion and removal supporting part can be at the removal of slide rail freedom, consequently the utility model discloses both can be used to SS4 type and HXD1 type electric locomotive, also can be used to DF4 type, DF8B type and DF12 type diesel locomotive, have extremely strong commonality.
(2) The safety coefficient is high: the fixed supporting part and the movable supporting part jointly form a gear box seat used for supporting the gear box to be disassembled, manual support is not needed, and personal safety is guaranteed.
(3) The labor intensity is low: among the prior art at dismouting gear box nowel operation in-process, the dismouting operation personnel are 4 people, are utilizing the utility model discloses a support dolly is supplementary when carrying out the gear box dismouting, only needs 2 people can accomplish, greatly reduced operation personnel's intensity of labour.
(4) The maintenance efficiency is high: the time for dismounting the lower box of the gear box is reduced to 40 minutes from 70 minutes in the prior art, 30 minutes are saved, the dismounting time is greatly shortened, the overhaul task can be timely completed, and the vehicles are handed in advance.
(5) The economic benefit is high: according to overhauing production actual conditions and accounting, the oil leak problem appears in 8 gear boxes of 1 SS4 modification electric locomotive, needs dismouting gear box lower box, save time: the time for dismounting the lower gearbox is saved by 30 minutes, the time for dismounting the 8 gearbox can be saved by 240 minutes, and the direct economic benefit can be created when the locomotive is on line in the 240 minutes.
Drawings
FIG. 1 is a front view of a mobile electro-hydraulic support cart for the disassembly and assembly of a locomotive gearbox;
FIG. 2 is a side view of the mobile electro-hydraulic support cart for disassembly and assembly of a locomotive gearbox;
FIG. 3 is a top view of the mobile electro-hydraulic support cart with the locomotive gearbox removed.
Graphic notation: 1. a push-pull rod; 2. a power supply power box; 3. a universal wheel; 4. a hydraulic cylinder; 5. a slide rail; 6. a lifting mechanism; 7. a cantilever rocker; 8. a support block; 9. fixing the bolt; 10. finely adjusting a knob; 11. a placement platform; 12 a power switch; 13. a raise button; 14. a down button; 15. an emergency button; 16. moving the lock nut; 17. a fixed support part; 18. the support is moved.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 3, a mobile electro-hydraulic support trolley for assembling and disassembling a locomotive gear box comprises a mobile electro-hydraulic lifting platform, a gear box seat and an adjusting mechanism.
The movable electric hydraulic lifting platform comprises a flat-bed cart, a lifting mechanism 6 and a power supply power box 2, wherein the lifting mechanism 6 and the power supply power box 2 are arranged on the flat-bed cart, and the power supply power box 2 provides power for the lifting mechanism 6 and controls the operation of the lifting mechanism. A platform 11 is fixed at the top of the lifting mechanism 6, the platform 11 is preferably a steel plate, and two parallel slide rails 5 are arranged on the platform 11.
The lifting mechanism 6 can adopt a scissor lift, and the scissor lift controls the lifting mechanism 6 to lift through the hydraulic oil cylinder 4. During specific implementation, the tail end of a hydraulic rod of the hydraulic oil cylinder 4 is fixed on a support rod of the scissor lift. The hydraulic oil cylinder 4 is controlled by the power supply power box 2, and the power supply power box 2 is provided with a power switch 12, a lifting button 13, a descending button 14 and an emergency button 15. The shape and size of the placement platform 11 can be designed correspondingly according to the size of the gear box seat, and if the top of the lifting mechanism 6 is provided with a platform, the placement platform 11 can also share the top platform of the lifting mechanism 6.
The gear box seat comprises a fixed supporting part 17 and a movable supporting part 18 which are arranged oppositely, the bottom of the fixed supporting part 17 and the bottom of the movable supporting part 18 are both in sliding connection with the two sliding rails 5, and the fixed supporting part 17 and the movable supporting part 18 play a role in supporting the gear box to be disassembled and assembled together after being close to each other. In this embodiment, the fixed support portion 17 and the movable support portion 18 are formed as a rectangular parallelepiped with an upper opening after approaching. In the specific manufacturing process, the fixed support portion 17 and the movable support portion 18 can be designed specifically according to the shape of the gear box, and the gear box seat with an irregular shape or other shapes can be formed. The fixed support portion 17 and the movable support portion 18 may be identical in shape or different in size as long as they can support the gear case. The two corresponding ends of the side walls of the fixed supporting part 17 and the movable supporting part 18 are provided with fine adjustment knobs 10. Two fixing bolts 9 are arranged on the side wall of the movable supporting part 18, the number of the fixing bolts 9 can be set to be a plurality according to specific conditions, and the fixing bolts 9 are used for fixing the movable supporting part 18 and the outer side of the gear box. Hand wheels convenient for manual adjustment are arranged on the fixing bolt 9 and the fine adjustment knob 10.
In order to facilitate the locomotive gear box of more models of dismouting, all open a horizontal logical groove on the lateral wall of fixed support portion 17 and removal supporting portion 18 opposite face, lead to a groove department demountable installation gear box base backup pad, lead to the groove and be located cantilever rocker 7's top, do not influence cantilever rocker 7's rotation, the base backup pad is convenient for further stabilize the gear box. In specific implementation, the length of the base support plate of the gear box is set according to the width of the gear box to be disassembled, and a fastener can be arranged on the outer side of the movable support part 18 to fix the base support plate at the through groove.
The adjusting mechanism comprises a supporting block 8 and a cantilever rocker 7 in threaded connection with the supporting block 8, the supporting block 8 is fixed on the accommodating platform 11, the supporting block 8 is located on the outer side of the movable supporting portion 18, the cantilever rocker 7 is provided with a strip-shaped adjusting screw rod, the adjusting screw rod firstly penetrates through a threaded hole in the supporting block 8, then the free end of the adjusting screw rod is rotatably connected with the fixed supporting portion 17, and the fixed supporting portion 17 does not have displacement relative to the cantilever rocker 7 in the axial direction in the rotating process. Therefore, the cantilever rocker 7 can move the fixed support 17 during the rotation. It should be clear that the adjusting screw of the cantilever rocker 7 passes through the support block 8 without touching the displacement support 18. A bearing is fixedly arranged on the fixed supporting part 17 at a position opposite to the free end of the cantilever rocker 7, and the free end of the cantilever rocker 7 is fixedly connected with the inner ring of the bearing.
Preferably, the slide rail 5 is provided with 4 movable locking nuts 16 on the outer sides of the fixed support portion 17 and the movable support portion 18, and the number of the movable locking nuts 16 is 4. After the movable lock nut 16 is locked, the gear box seat is prevented from moving. The bottom of the flat-bed cart is provided with universal wheels 3 used for moving front, back, left and right, the number of the universal wheels 3 is generally 4, and one side of the flat-bed cart is provided with a push-pull rod 1.
The utility model discloses a concrete application method as follows:
1. firstly, a movable electric hydraulic support trolley with a gear box assembled and disassembled is connected with a 220V power supply;
2. before the gear box is disassembled, testing whether the action of the movable electric hydraulic support trolley disassembled and assembled from the gear box is good;
3. the push-pull rod 1 is pushed to push the movable electric hydraulic support trolley for disassembling and assembling the gear box to the lower part of the gear box to be disassembled, and the front, rear, left and right positions of the whole trolley are adjusted through the universal wheels 3; then, a power switch 12 on the power box 2 is turned on, a lifting button 13 is pressed, and the lifting mechanism 6 is slowly supported to a proper position under the thrust action of the hydraulic oil cylinder 4;
4. the sliding rail 5 is arranged on the object placing platform 11, so that the object placing platform can be conveniently swung on the supporting block 8 in a counterclockwise direction by means of the cantilever rocker 7, the fixed supporting part 17 is integrally moved to the edge of a trench, namely the inner side of the lower box of the gear box along the sliding rail 5, the lifting button 13 is pressed again, the lower box of the gear box enters the gear box seat, then the movable supporting part 18 is manually attached to the outer side of the lower box of the gear box, the lower box of the gear box is ensured to be clamped by the fixed supporting part 17 and the movable supporting part;
5. 4 movable locking nuts 16 on the sliding rail 5 are locked;
6. 2 fixing bolts 9 on the movable support part 18 are tightened;
7. disassembling a fixing nut on the gear box;
8. after the disassembly is finished, an operator pries the upper box and the lower box by using a crowbar to separate the upper box and the lower box, before the prying, the gear box seat is tightly attached to the gear box, after the prying, the descending button 14 is pressed, and the lifting mechanism 6 slowly moves downwards along with the action of the hydraulic oil cylinder 4;
9. the movable electric hydraulic support trolley is lowered to the minimum, and the trolley is pushed out;
10. then carrying out maintenance operation on the gear box;
11. after the gear box is overhauled, the installation operation is carried out in the reverse order of the disassembly of the lower gear box of the gear box;
12. if the bolt holes of the upper box and the lower box of the gear box cannot be aligned due to uneven trench, the fine adjustment knob 10 can be used for adjustment;
13. if the movable electric hydraulic support trolley with the gear box assembled and disassembled meets an emergency situation in the using process, the emergency button 15 can be directly pressed;
14. after the movable electric hydraulic support trolley with the gear box assembled and disassembled is used, the power switch 12 is turned off firstly, the trolley returns to the original position, and relevant records and daily maintenance are well made.
The technical solution and the implementation method listed in the present invention are not limiting, and the technical solution and the implementation method listed in the present invention are equivalent or have the same effect.
Claims (10)
1. The utility model provides a portable electronic hydraulic pressure support dolly for locomotive gear box dismouting which characterized in that: comprises a movable electric hydraulic lifting platform, a gear box seat and an adjusting mechanism,
the movable electric hydraulic lifting platform comprises a flat-plate cart, a lifting mechanism (6) arranged on the flat-plate cart and a power supply power box (2), wherein the power supply power box (2) provides power for the lifting mechanism (6) and controls the lifting mechanism (6) to run, a storage platform (11) is fixed at the top of the lifting mechanism (6), and two mutually parallel slide rails (5) are arranged on the storage platform (11);
the gearbox base comprises a fixed supporting part (17) and a movable supporting part (18) which are oppositely arranged, the bottoms of the fixed supporting part (17) and the movable supporting part (18) are both in sliding connection with the two sliding rails (5), and the fixed supporting part and the movable supporting part jointly support a gearbox to be disassembled and assembled after being close to each other;
the adjusting mechanism comprises a supporting block (8) and a cantilever rocker (7) in threaded connection with the supporting block (8), the supporting block (8) is fixed on the object placing platform (11), the supporting block (8) is located on the outer side of the movable supporting portion (18), the free end of the cantilever rocker (7) penetrates through the supporting block (8) and then is rotatably connected with the fixed supporting portion (17), and the fixed supporting portion (17) does not have displacement relative to the axial direction of the cantilever rocker (7) in the rotating process.
2. The mobile electro-hydraulic support trolley for disassembly and assembly of a locomotive gearbox as claimed in claim 1, wherein: the fixed supporting part (17) and the movable supporting part (18) are close to form a cuboid with an upper opening.
3. The mobile electro-hydraulic support trolley for disassembly and assembly of a locomotive gearbox as claimed in claim 1, wherein: and the corresponding two ends of the side walls of the fixed supporting part (17) and the movable supporting part (18) are respectively provided with a fine adjustment knob (10).
4. The mobile electro-hydraulic support trolley for disassembly and assembly of a locomotive gearbox as claimed in claim 3, wherein: two fixing bolts (9) are arranged on the side wall of the movable supporting part (18) and used for fixing the movable supporting part (18) and the outer side of the gear box.
5. The mobile electro-hydraulic support trolley for disassembly and assembly of a locomotive gearbox as claimed in claim 4, wherein: hand wheels convenient for manual adjustment are arranged on the fixing bolt (9) and the fine adjustment knob (10).
6. The mobile electro-hydraulic support trolley for disassembly and assembly of a locomotive gearbox as claimed in claim 1, wherein: a bearing is fixedly arranged on the fixed supporting part (17) at a position opposite to the free end of the cantilever rocker (7), and the free end of the cantilever rocker (7) is fixedly connected with the inner ring of the bearing.
7. The mobile electro-hydraulic support trolley for disassembly and assembly of a locomotive gearbox as claimed in claim 1, wherein: and the side walls of the opposite surfaces of the fixed supporting part (17) and the movable supporting part (18) are respectively provided with a transverse through groove, a gear box base supporting plate is detachably mounted at the through groove, and the through groove is positioned above the cantilever rocker (7).
8. The mobile electro-hydraulic support trolley for disassembly and assembly of a locomotive gearbox as claimed in claim 1, wherein: and a movable lock nut (16) is arranged on the sliding rail (5) and positioned on the outer sides of the fixed supporting part (17) and the movable supporting part (18), and the gear box seat is prevented from moving after the movable lock nut (16) is locked.
9. The mobile electro-hydraulic support trolley for disassembly and assembly of a locomotive gearbox as claimed in claim 1, wherein: the lifting mechanism (6) adopts a scissor type lifter, the scissor type lifter controls the lifting of the lifting mechanism (6) through a hydraulic oil cylinder (4), and the hydraulic oil cylinder (4) is controlled by the power supply power box (2).
10. The mobile electro-hydraulic support trolley for disassembly and assembly of a locomotive gearbox as claimed in claim 1, wherein: the bottom of the flat-plate cart is provided with universal wheels (3) which are used for moving front, back, left and right; one side of the flat-bed cart is provided with a push-pull rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022319703.4U CN213384341U (en) | 2020-10-19 | 2020-10-19 | Movable electric hydraulic support trolley for disassembling and assembling locomotive gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022319703.4U CN213384341U (en) | 2020-10-19 | 2020-10-19 | Movable electric hydraulic support trolley for disassembling and assembling locomotive gear box |
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| Publication Number | Publication Date |
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| CN213384341U true CN213384341U (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022319703.4U Active CN213384341U (en) | 2020-10-19 | 2020-10-19 | Movable electric hydraulic support trolley for disassembling and assembling locomotive gear box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114408799A (en) * | 2022-01-10 | 2022-04-29 | 淮北矿业股份有限公司 | A safe dismouting device for diesel locomotive gear box is dismantled |
-
2020
- 2020-10-19 CN CN202022319703.4U patent/CN213384341U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114408799A (en) * | 2022-01-10 | 2022-04-29 | 淮北矿业股份有限公司 | A safe dismouting device for diesel locomotive gear box is dismantled |
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