CN110713102A

CN110713102A - Bogie maintenance system

Info

Publication number: CN110713102A
Application number: CN201911040982.6A
Authority: CN
Inventors: 邢志强; 庞庆; 曹细清
Original assignee: Guangzhou Electrical Locomotive Co Ltd
Current assignee: Guangzhou Electrical Locomotive Co Ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-01-21
Anticipated expiration: 2039-10-30
Also published as: CN110713102B

Abstract

A bogie overhauling system comprises a bogie part sanding tool, a wheel turning and repairing tool, a wheel preassembling and vertical hoisting tool and a wheel brake disc assembling and hoisting tool. The grinding tool for the bogie parts can improve the efficiency of the grinding process for the parts, the wheel turning tool can reduce the requirement of wheel turning on equipment, the wheel pre-installation vertical hoisting tool can improve the installation efficiency of the wheels, and the wheel brake disc assembly hoisting tool can reduce the labor force and improve the assembly efficiency; the tool can be used independently, and can also be combined to form a maintenance system of the bogie, so that all links of maintenance and assembly of the bogie are guaranteed.

Description

Bogie maintenance system

Technical Field

The invention relates to an electric locomotive bogie, in particular to a bogie overhauling system.

Background

In the advanced maintenance process of the electric locomotive, all parts on a bogie need to be disassembled at first, then, the parts are maintained and assembled, and if the procedures of sanding parts of the bogie, turning and repairing wheels, hoisting and installing the wheels, assembling a brake disc and the wheels and the like are performed, the corresponding tool needs to be designed for the procedure of relatively stabilizing the parts in the parts.

Disclosure of Invention

The invention aims to provide a bogie overhauling system, which effectively improves the overhauling efficiency of parts of a bogie.

In order to solve the technical problems, the technical scheme of the invention is as follows: a bogie overhauling system comprises a bogie part sanding tool, a wheel turning repairing tool, a wheel preassembling vertical hoisting tool and a wheel brake disc assembling hoisting tool;

the grinding tool for the bogie parts comprises a vehicle body and a suspension bracket, wherein the vehicle body comprises a rectangular frame and brackets which are arranged at two ends of the rectangular frame and used for supporting traction rods; the suspension bracket is fixed on the rectangular frame and comprises a bracket seat and a plurality of hanging rods fixed at the top of the bracket seat, and the hanging rods are provided with a plurality of hooks for hanging springs;

the wheel turning tool comprises a clamp for fixing a horizontally-placed wheel and a tool bit for turning a wheel tread, wherein the clamp comprises a workbench, a base fixed in the middle of the workbench, a pressing plate arranged above the base and used for pressing the top of the wheel, a bolt rod used for locking the pressing plate, a supporting block used for supporting the bottom of the wheel and a clamping jaw used for clamping the edge of the outer side face of the wheel;

the wheel preassembling vertical lifting tool comprises a hook body, wherein the hook body comprises a lifting seat and lifting arms arranged on two sides of the lifting seat, the lifting seat and the two lifting arms form an open slot in a surrounding mode, the end of one lifting arm is provided with a hook-shaped part, the inner side of the other lifting arm is provided with a movable block, and one end of the movable block is pivoted with the lifting arms through a pin shaft;

the wheel brake disc assembly lifting tool comprises more than three lifting claw assemblies fixed at the edge of the brake disc, each lifting claw assembly comprises a claw, a beam lifting handle and a bolt rod, a clamping groove used for containing the edge of the brake disc is formed in one side of each claw, a hinged seat is arranged at the top of each claw, the middle of each beam lifting handle is hinged to the hinged seat through a pin shaft, a lifting hole is formed in the outer end of each beam lifting handle, and the inner end of each beam lifting handle penetrates through the bolt rod.

As an improvement, a plurality of cross rods arranged in parallel are arranged in a rectangular frame body of the bogie part sanding tool, and a frame seat of the suspension frame is fixed on two adjacent cross rods.

As an improvement, the bracket of the sanding tool for the bogie parts consists of two T-shaped pieces.

As an improvement, the frame base of the suspension frame comprises a bottom frame, upright columns arranged in the middle positions of two sides of the bottom frame and a cross beam between the tops of the two upright columns, the hanging rods are horizontally fixed on the cross beam, a transverse supporting rod is arranged between the middle of the two upright columns, and a lower supporting rod is further arranged between the lower parts of the upright columns and the bottom frame.

As an improvement, the clamping jaws of the wheel turning tool are arranged in a telescopic chuck, and the contact surfaces of the clamping jaws and the wheel are arc-shaped.

As an improvement, a stop lever used for stopping the rotation of the movable block is arranged on the side face of one suspension arm of the wheel preassembly vertical suspension tool.

As an improvement, the inner side of a hook-shaped part on a suspension arm of the wheel preassembly vertical suspension tool is a plane, and the outer side of the hook-shaped part is provided with an avoiding groove for avoiding a brake disc.

As an improvement, the inner end of a beam lifting handle of the wheel brake disc assembling lifting tool penetrates through the bolt rod and then is in threaded connection with the slotted nut, and the bolt rod is provided with a cotter pin.

Compared with the prior art, the invention has the following beneficial effects:

the grinding tool for the bogie parts can improve the efficiency of the grinding process for the parts, the wheel turning tool can reduce the requirement of wheel turning on equipment, the wheel pre-installation vertical hoisting tool can improve the installation efficiency of the wheels, and the wheel brake disc assembly hoisting tool can reduce the labor force and improve the assembly efficiency; the tool can be used independently, and can also be combined to form a maintenance system of the bogie, so that all links of maintenance and assembly of the bogie are guaranteed.

Drawings

Fig. 1 is a structural schematic diagram of a wheel preassembling vertical lifting tool.

Fig. 2 is a schematic diagram of the wheel preassembly vertical lifting tool matched with a wheel.

FIG. 3 is a structural schematic diagram of a sanding tool for bogie parts.

Fig. 4 is a schematic view of a hanger structure.

FIG. 5 is a schematic view of the wheel turning tool in cooperation with a wheel.

Fig. 6 is a plan view of the wheel brake disc assembling lifting tool matched with a brake disc.

Fig. 7 is a sectional view a-a of fig. 6.

Fig. 8 is an enlarged view of fig. 7 at a.

Fig. 9 is a structural schematic diagram of a wheel brake disc assembling lifting tool.

Detailed Description

The invention is further described with reference to the accompanying drawings.

A bogie overhauling system comprises a bogie part sanding tool 3, a wheel turning and repairing tool 5, a wheel preassembling and vertical hoisting tool 1 and a wheel brake disc assembling and hoisting tool 7. The tool can be used independently, and can also be combined to form a maintenance system of the bogie, so that all links of maintenance and assembly of the bogie are guaranteed.

As shown in fig. 3 and 4, the bogie component sanding tool 3 includes a vehicle body and a suspension bracket 32. The vehicle body comprises a rectangular frame 31 and brackets which are arranged at two ends of the rectangular frame 31 and used for supporting the traction rods 4; the length and the width of the car body are designed according to the number of the axle box pull rods required to be placed, and generally, one car body corresponds to all parts of a bogie, so that the situation that one car body can prevent all parts of the bogie is avoided; a plurality of cross rods 33 arranged in parallel are arranged in the rectangular frame body 31, the cross rods 33 not only enhance the strength of the rectangular frame body 31, but also the suspension bracket 32 is arranged in the middle of the rectangular frame body 31, and other positions in the middle can be used for placing axle boxes and other parts; the bracket is composed of two T-shaped parts 34, the T-shaped parts 34 are fixed at the corners of the rectangular frame body 31, the two T-shaped parts 34 are in a group and used for supporting relatively large-sized traction rods 4, and two traction rods 4 are arranged on a steering frame and are respectively arranged on the bracket at the front and the rear of the vehicle body. The suspension frame 32 comprises a frame seat and a plurality of hanging rods 326 fixed at the top of the frame seat; the frame base comprises a bottom frame 321, upright posts 323 arranged in the middle positions of two sides of the bottom frame 321 and a cross beam 322 arranged between the tops of the two upright posts 323, the hanging rod 326 is horizontally fixed on the cross beam 322, a cross brace 325 is arranged between the middle of the two upright posts 323, and a lower brace 324 is also arranged between the lower part of the upright post 323 and the bottom frame 321; the hanging rod 326 is provided with a plurality of hooks 327 for hanging springs, and the vehicle body of the embodiment is provided with two hanging brackets 32, so that all the primary and secondary spring members on the bogie can be hung. The grinding tool 3 for the bogie parts can realize the function of grinding the bogie parts needing to be ground at one time.

As shown in fig. 5, the wheel turning tool 5 includes a clamp for fixing a flat wheel and a bit 53 for turning a wheel tread. The clamp comprises a working table 51, a base 52 fixed in the middle of the working table 51, a pressing plate 54 arranged above the base 52 and used for pressing the top of the wheel, a bolt rod 55 used for locking the pressing plate, a supporting block 56 used for supporting the bottom of the wheel 2 and a claw 57 used for clamping the edge of the outer side face of the wheel 2; a screw hole is formed in the workbench 51, and the base 52 is fixed on the workbench 51 through a bolt; after the wheel 2 is flatly placed on the workbench, the pressure plate 54 is pressed on the top of the wheel 2, the bolt rod 55 penetrates through the pressure plate 54 and the shaft hole of the wheel 2 and then is connected with the threaded hole of the base 52, and the pressure plate 54 can press the wheel 2 through locking the bolt rod 55; the jack catch 57 is established in the bottom of wheel 2 with supporting shoe 56, can be with the fixed position of wheel 2, the jack catch 57 is installed in the chuck that can stretch out and draw back, the jack catch 57 is the arc with the contact surface of wheel 2, more laminates the shape of wheel 2, improves the stability of centre gripping. The fixture can stably clamp the wheel, and solves the problem that the wheel of the vehicle type cannot be turned on a vertical lathe. The machining stability is improved while the machining precision is ensured.

As shown in fig. 1 and 2, the wheel preassembly vertical lifting tool 1 comprises a hook body, the hook body comprises a lifting seat 11 and lifting arms 12 arranged on two sides of the lifting seat 11, and an open slot 17 is defined by the lifting seat 11 and the two lifting arms 12. The hanging seat 11 is roughly triangular and comprises two symmetrically arranged hanging plates, and the two hanging plates penetrate through a pin shaft and are hoisted by penetrating a hoisting rope through the pin shaft 16. The end part of one of the suspension arms 12 is provided with a hook-shaped part 15, the inner side of the hook-shaped part 15 is a plane, and the outer side of the hook-shaped part is provided with an avoiding groove for avoiding a brake disc; the inner side of the other suspension arm 12 is provided with a movable block 14, one end of the movable block 14 is pivoted with the suspension arm 12 through a pin shaft 13, and the side surface of the suspension arm 12 is provided with a stop lever 18 for stopping the rotation of the movable block 14. When the wheel is lifted, the movable block 14 is rotated by 90 degrees around the pivot point to enlarge the width of the open slot 17 between the two suspension arms 12; then, matching the hook body with the wheel 2 to ensure that one of the suspension arms 12 is positioned at one side of the wheel 2 and the other suspension arm 12 is positioned at the other side of the wheel 2; the position of the movable block 14 is restored, the width of the open slot 17 is reduced, and the wheel 2 can be lifted up after self-locking is realized. Compared with the existing mode of vertically lifting the wheel 2 by utilizing a nylon rope sling, the tool is more convenient and safer to lift.

As shown in fig. 6 to 9, the wheel brake disc assembling spreader tool 7 includes three or more claw assemblies 7 fixed to the edges of the brake disc 6, and the brake disc 6 can be horizontally lifted by the claw assemblies 7. The lifting claw assembly 7 comprises a claw 71, a beam lifting handle 73 and a latch rod 72; the hook claw 71 is approximately C-shaped, one side of the hook claw 71 is provided with a clamping groove 76 for accommodating the edge of the brake disc 6, and the top of the hook claw 71 is provided with a hinge seat 77; the middle part of the cross beam lifting handle 73 is hinged with a hinge seat 77 through a pin shaft, the outer end of the cross beam lifting handle 73 is provided with a lifting hole 74 for connecting with a lifting rope, the inner end of the cross beam lifting handle 73 penetrates through the plug rod 72 and then is in threaded connection with a slotted nut 75, and the plug rod 72 is provided with a cotter pin. During hoisting, the clamping groove of the hook claw 71 is clamped at the edge of the brake disc 6, the lower end of the bolt rod 72 is inserted into the mounting hole of the brake disc 6, and when the outer end of the cross beam hoisting handle 73 is stressed, the bolt rod 72 and the hook claw 71 form clamping force, so that the hoisting claw assembly cannot be separated from the brake disc 6, the brake disc 6 is stably hoisted, the problem of high labor intensity in manual transportation is solved, and the hoisting is safer.

Claims

1. The utility model provides a bogie overhauls system which characterized in that: the method comprises a grinding tool for bogie parts, a wheel turning and repairing tool, a wheel preassembling and vertical hoisting tool and a wheel brake disc assembling and hoisting tool;

2. A bogie service system as claimed in claim 1 wherein: the grinding tool for the bogie parts is characterized in that a plurality of cross rods arranged in parallel are arranged in a rectangular frame body of the grinding tool for the bogie parts, and frame seats of the suspension frames are fixed on the two adjacent cross rods.

3. A bogie service system as claimed in claim 1 wherein: the bracket of the sanding tool for the bogie parts consists of two T-shaped pieces.

4. A bogie service system as claimed in claim 1 wherein: the frame base of the suspension frame comprises a bottom frame, stand columns arranged in the middle positions of two sides of the bottom frame and a cross beam between the tops of the two stand columns, the hanging rods are horizontally fixed on the cross beam, transverse support rods are arranged between the middle of the two stand columns, and lower support rods are further arranged between the lower portions of the stand columns and the bottom frame.

5. A bogie service system as claimed in claim 1 wherein: the clamping jaws of the wheel turning tool are arranged in the retractable chuck, and the contact surfaces of the clamping jaws and the wheel are arc-shaped.

6. A bogie service system as claimed in claim 1 wherein: and a stop lever for stopping the rotation of the movable block is arranged on the side surface of one suspension arm of the wheel preassembly vertical suspension tool.

7. A bogie service system as claimed in claim 1 wherein: the inner side of a hook-shaped part on a suspension arm of the wheel preassembly vertical suspension tool is a plane, and an avoiding groove for avoiding a brake disc is formed in the outer side of the hook-shaped part.

8. A bogie service system as claimed in claim 1 wherein: the inner end of a cross beam lifting handle of the wheel brake disc assembling lifting appliance tool penetrates through the pin rod and then is in threaded connection with the slotted nut, and the pin rod is provided with a cotter pin.