Integral hoisting tool for upper frame assembly of power walking part of electrically-driven torpedo car

Abstract

The utility model discloses an integral hoisting tool for an upper frame assembly of a power walking part of an electrically driven torpedo car, which is characterized in that one ends of three bearing slings of the hoisting tool are hooked on a crane lifting hook, the other ends of the three bearing slings are arranged at two ends and the middle part of a transverse supporting rod, and two lifting lugs are arranged on two sides of the front part of the upper frame assembly; one ends of the two main bearing lifting ropes are arranged at the two ends of the transverse supporting rod, the other ends of the two main bearing lifting ropes are connected with the two lifting lugs, one ends of the two lifting main ropes are hooked on a crane lifting hook, and the other ends are arranged on the two sides of the middle of the upper frame assembly. During hoisting operation, a cable harness, a cooling water pipe and a brake pipeline on the upper frame assembly are dismounted; a hoisting tool is installed, the lengths and the directions of the slings and the hoisting ropes are straightened out and adjusted, and after the hoisting gravity center deviates from the side of the electric control room assembly, a safe distance is kept between the transverse supporting rod and the top face of the electric control room assembly; the crane is started, and the upper frame assembly and the electric control room assembly are hoisted to a maintenance site through the hoisting tool; and after hoisting is completed, the lifting lugs are dismantled, and maintenance operation of the power walking part is implemented.

Description

TECHNICAL FIELD

[0001] The utility model relates to metallurgical equipment hoisting technical field especially relates to a kind of electric drive mixing car power running unit upper frame assembly integral hoisting tool. BACKGROUND

[0002] Electric drive mixing car is the electric drive automatic running device of global first creation of mixing car in our country, and electric drive automatic running device mainly includes a group of upper frame assembly, a group of middle frame assembly, a group of trolley frame assembly, two groups of power bogie assembly and electric control room assembly, and electric control room assembly is located in the front side of upper frame assembly.

[0003] When implementing electric drive mixing car power running unit maintenance operation, electric control room assembly, middle frame assembly are removed, upper frame assembly is sequentially removed in steps, and electric wiring, brake air path, positioning distance measuring and other components connected are removed, so as to implement the maintenance operation of power bogie assembly.

[0004] Therefore, implementing electric drive mixing car power running unit maintenance operation involves complex disassembly component working hours process arrangement, many operation steps, large operation personnel input, low operation efficiency, and safety risk increases, and involves electric, hoisting operation, safety risk increases;After each assembly component is decomposed and removed, large maintenance site is occupied, operation space is crowded, and normal annual maintenance project is difficult to carry out.Statistics maintenance operation process needs to input 8 people of machine, electricity, hoisting operation personnel, maintenance operation time is 8 hours, and site occupied is greater than 60 square meters, so it seriously affects the orderly normal operation of electric drive mixing car, and improves maintenance operation cost. SUMMARY

[0005] The utility model solves technical problems to provide a kind of electric drive mixing car power running unit upper frame assembly integral hoisting tool, and the hoisting tool of the utility model overcomes the defects of traditional electric drive mixing car power running unit maintenance operation, implements the integral hoisting of upper frame assembly, reduces the decomposition step of assembly, reduces construction risk, improves operation efficiency, reduces the area of place occupied, and ensures the normal operation of electric drive mixing car.

[0006] To solve the above technical problems, the utility model electric drive mixing car power running unit upper frame assembly integral hoisting tool includes travelling crane hook, horizontal support rod, three bearing slings, two main bearing hoisting ropes, two hoisting main ropes and two lugs, one end of the three bearing slings is hooked to the travelling crane hook, the other end is arranged on the two ends and middle part of the horizontal support rod through transition bearing shackle, the two lugs are respectively arranged on the both sides of the steel structure of the front part of upper frame assembly, one end of the two main bearing hoisting ropes is arranged on the two ends of the horizontal support rod through transition bearing shackle, and the other end is connected to the two lugs, one end of the two hoisting main ropes is hooked to the travelling crane hook, and the other end is arranged on the both sides of the steel structure of the middle part of upper frame assembly through bearing shackle.

[0007] Further, the transverse support rod is a square steel pipe with a cross section of 200mm*200mm, and the length of the transverse support rod is greater than the width of the electric control room assembly located at the front part of the upper frame assembly.

[0008] Further, the lifting lug comprises a bottom plate, an ear plate and a reinforcing rib plate, the ear plate is centrally arranged on the bottom plate, and the reinforcing rib plate is vertically arranged between the bottom plate and the ear plate.

[0009] Since the power running part upper frame assembly integral lifting tool of the electric drive mixing car adopts the above technical scheme, that is, one end of the three bearing lifting cables of the lifting tool is hooked to the crane hook, the other end is arranged at the two ends and the middle part of the transverse support rod, the two lifting lugs are arranged on the two sides of the steel structure at the front part of the upper frame assembly, one end of the two main bearing hoisting ropes is arranged at the two ends of the transverse support rod, and the other end is connected to the two lifting lugs, and one end of the two hoisting main ropes is hooked to the crane hook, and the other end is arranged on the two sides of the steel structure at the middle part of the upper frame assembly. The lifting tool overcomes the defects of the traditional electric drive mixing car power running part maintenance operation, implements the integral lifting of the upper frame assembly, reduces the disassembly steps of the assembly, reduces the construction risk, improves the operation efficiency, reduces the occupied area of the place, and ensures the normal operation of the electric drive mixing car. BRIEF DESCRIPTION OF DRAWINGS

[0010] The utility model will be further described in detail in combination with the drawings and embodiments:

[0011] Figure 1 It is the power running part upper frame assembly integral lifting tool schematic view of the electric drive mixing car of the utility model;

[0012] Figure 2 It is the lifting lug structure schematic view in the lifting tool of the utility model;

[0013] Figure 3 It is the application schematic view of the lifting tool. DETAILED DESCRIPTION

[0014] The embodiments are as follows: Figure 1 、 Figure 2 and Figure 3As shown, the utility model electric drive mixed iron car power running part upper frame assembly integral hoisting tool includes crane hook 1, horizontal support rod 2, three load bearing sling 3, two main load bearing hoisting ropes 4, two hoisting main ropes 5 and two lifting lugs 6, one end of three load bearing sling 3 is hooked on crane hook 1, and the other end is arranged on both ends and middle part of horizontal support rod 2 through transition load bearing shackle 31, two lifting lugs 6 are respectively arranged on both sides of the steel structure of the front part of upper frame assembly 7, one end of two main load bearing hoisting ropes 4 is respectively arranged on both ends of horizontal support rod 2 through transition load bearing shackle 31, and the other end is connected with two lifting lugs 6, one end of two hoisting main ropes 5 is hooked on crane hook 1, and the other end is arranged on both sides of the steel structure of the middle part of upper frame assembly 7 through load bearing shackle 51.

[0015] Preferably, the horizontal support rod 2 is a square steel tube with a cross section of 200mm*200mm, and the length of the horizontal support rod 2 is greater than the width of the electric control room assembly 8 located at the front part of the upper frame assembly 7. The horizontal support rod is used to support the two main load bearing hoisting ropes, and has sufficient rigidity to ensure that the two main load bearing hoisting ropes do not press the electric control room assembly while ensuring that the safety angle of the two main load bearing hoisting ropes is not exceeded.

[0016] Preferably, the lifting lug 6 includes a bottom plate 61, an ear plate 62 and a reinforcing rib plate 63, the ear plate 62 is centrally arranged on the bottom plate 61, and the reinforcing rib plate 63 is vertically arranged between the bottom plate 61 and the ear plate 62. The thickness of the bottom plate, the ear plate and the reinforcing rib plate of the lifting lug is 40mm, which has sufficient rigidity, and is installed on the steel structure on both sides of the upper frame assembly by four M38 high-strength bolts. The lifting lug is the main hoisting point of the upper frame assembly, and is installed before hoisting and removed after hoisting.

[0017] As shown in the drawings, Figure 2 A kind of electric drive mixed iron car power running part upper frame assembly integral hoisting method based on the above hoisting tool includes the following steps:

[0018] Step one, remove the cable harness connected by electric control room assembly 8 to drive motor controller, drive motor cooling water pipe and brake pipeline on upper frame assembly 7;

[0019] Step two, install hoisting tool, one end of three load bearing sling 3 and one end of two hoisting main ropes 5 are respectively hooked on crane hook, and two lifting lugs 6 are respectively arranged on both sides of the steel structure of the front part of upper frame assembly 7 through bolt;

[0020] Step three, after hoisting tool connection is completed, straighten and adjust the length and direction of three load bearing sling 3, two main load bearing hoisting ropes 4 and two hoisting main ropes 5, so that the hoisting gravity center is 400mm away from the side of electric control room assembly 8, and horizontal support rod 2 is 300mm away from the top surface of electric control room assembly;

[0021] Step three, start the car, through the lifting tool will be on the frame assembly 7 together with the electric control room assembly 8 hoisting to the repair site;

[0022] Step four, after the lifting is completed, the lifting lug 6 is removed, and the electric drive mixer car power running part maintenance operation is implemented.

[0023] The lifting tool and method are designed according to the vehicle design drawing and structural bearing capacity, and implement the overall disassembly and assembly scheme of the electric drive mixer car. The overall lifting weight of the large assembly is about 28t, and the overall lifting height with lifting hook is 7m, which meets the requirements of the workshop 50t crane lifting capacity and lifting height.

[0024] After the development and use of the lifting tool, more than 10 times of electric drive mixer car power running part maintenance have been accumulated. The effect of the maintenance operation is tracked, and the maintenance operation problem is solved. The danger of the operation condition is effectively reduced, and part of the electrical and lifting operation process is reduced. The safety risk is significantly reduced, 4 people are needed for the maintenance operation, and the operation time is 3 hours. The maintenance operation efficiency is improved, and the maintenance site occupies not more than 40 square meters, which reduces the influence on other maintenance processes.

[0025] The lifting tool and method optimize the safety risk of the lifting operation and electrical operation in the disassembly process and the disassembly process. The maintenance efficiency is improved, the human resource investment is reduced, the site occupation is reduced, the negative influence on the conventional maintenance is reduced. It has strong reliability, convenient lifting operation, safe and efficient disassembly and installation operation, reduces the safety hidden danger in the maintenance process, improves the operation efficiency, and ensures the normal operation of the electric drive mixer car.

Claims

1. An electrically driven iron mixing car power running gear upper frame assembly integral hoisting tooling, comprising a travelling crane hook, characterized in that: It also includes a transverse support rod, three load bearing slings, two main load bearing hoisting ropes, two hoisting main ropes and two lifting lugs, one end of the three load bearing slings is hooked to the crane hook, the other end is arranged on both ends and the middle of the transverse support rod through a transition load bearing shackle, the two lifting lugs are respectively arranged on both sides of the steel structure at the front of the upper frame assembly, one end of the two main load bearing hoisting ropes is arranged on both ends of the transverse support rod through a transition load bearing shackle, the other end is connected to the two lifting lugs, one end of the two hoisting main ropes is hooked to the crane hook, the other end is arranged on both sides of the steel structure at the middle of the upper frame assembly through a load bearing shackle.

2. The electric drive mixing car power running unit upper frame assembly integral lifting tool of claim 1, characterized in that: The transverse support rod is a square steel pipe with a cross section of 200mmx200mm, and the length of the transverse support rod is greater than the width of the electric control room assembly at the front of the upper frame assembly.

3. The electric drive mixing car power running gear upper frame assembly integral lifting tool of claim 1 or 2, characterized in that: The lifting lug includes a bottom plate, an ear plate and a reinforcing rib plate, the ear plate is arranged centrally on the bottom plate, and the reinforcing rib plate is arranged vertically between the bottom plate and the ear plate.

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