Dismounting device for coupler of speed reducer of 1250 six-roller reversible rolling mill
By designing a disassembly device that includes a car body, traveling wheels, clamping cylinder, lifting cylinder, chuck, pull arm, pull plate, positioning sleeve, and semi-ring, the problem of difficult disassembly of the coupling of the reducer of the 1250 six-roll reversible rolling mill was solved, realizing fast and convenient coupling disassembly. It has a wide range of applications and high disassembly efficiency.
Patent Information
- Application Number
- CN202423210671.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-25
AI Technical Summary
In the existing technology, the disassembly of the reducer coupling of the 1250 six-roll reversible rolling mill is difficult, especially due to the interference fit and large size. Using ordinary hydraulic jacks is time-consuming and laborious and can easily cause shaft damage.
A disassembly device comprising a vehicle body, traveling wheels, clamping cylinder, lifting cylinder, chuck, pull arm, pull plate, positioning sleeve, and semi-ring is designed. Through the cooperation of the chuck, pull arm, and pull plate, the coupling can be quickly disassembled, adapting to couplings of different sizes.
It enables quick and convenient coupling disassembly, has a wide range of applications, high disassembly efficiency, avoids shaft damage, and reduces manpower consumption.
Smart Images
Figure CN223670611U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a 1250 six roll reversible mill speed reducer shaft coupling dismounting device belongs to metallurgical industry rolling production equipment technical field. BACKGROUND
[0002] 1250 six roll reversible mill speed reducer shaft coupling installs to be interference fit, and size is bigger, uses ordinary hydraulic jack, and cooperates draw plate and is difficult to take off, and jack stroke is short, needs multiple dismounting, manual force makes the extension of the jack rod, slow action, time -consuming and labor -intensive, most need to cooperate oxygen, acetylene heating, easily cause shaft overheat tight, cannot take off or shaft draw injury etc. SUMMARY
[0003] The utility model discloses a 1250 six roll reversible mill speed reducer shaft coupling dismounting device can conveniently and quickly complete the dismounting of 1250 six roll reversible mill speed reducer shaft coupling, and solve the problems in the background art.
[0004] The utility model discloses a technical scheme is:
[0005] A 1250 six roll reversible mill speed reducer shaft coupling dismounting device, containing car body, walking wheel, top tight jar, lift jar, chuck, pull arm, draw plate, positioning sleeve and half ring, the walking wheel is equipped under the car body, the cylinder barrel of lift jar is fixed on the car body, the cylinder rod of lift jar is driven and is connected with the cylinder barrel of top tight jar, the chuck is fixed on the cylinder barrel of top tight jar, the draw plate is U type structure, and the size of its U type hole is matched with speed reducer shaft coupling, is equipped with two symmetrical mounting holes on the draw plate, and the pull arm is two, and one end of two pull arms is fixedly connected on the chuck respectively, and the other end of two pull arms respectively passes through the mounting hole on the draw plate and is fixed on two pull arms through positioning sleeve and two half rings.
[0006] The chuck is equipped with the aperture matched with the pull arm in the circumferential direction.
[0007] The aperture matched with the pull arm in the circumferential direction of the chuck is oppositely arranged.
[0008] The cylinder rod of top tight jar is directly opposite the U type hole of draw plate.
[0009] The draw plate is equipped with an eye.
[0010] The size of positioning sleeve and two half rings is matched with the diameter of pull arm.
[0011] The utility model discloses the beneficial effect is: simple structure, convenient to use, can conveniently and quickly complete the dismounting of 1250 six roll reversible mill speed reducer shaft coupling, and the draw plate can make spare parts according to different shaft coupling size, and the scope of application is wide, and dismounting is efficient, convenient. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 is a partial front view of the utility model;
[0013] Figure 2 is a plan view of the utility model;
[0014] Figure 3 is a front view of the chuck of the utility model;
[0015] Figure 4 is a schematic diagram of the pull arm of the utility model;
[0016] Figure 5 is a front view of the pull plate of the utility model;
[0017] Figure 6 is a side view of the pull plate of the utility model;
[0018] Figure 7 is a front view of two half rings combined together of the utility model;
[0019] Figure 8 is a side view of two half rings combined together of the utility model;
[0020] Figure 9 is a schematic diagram of the positioning sleeve of the utility model;
[0021] In the drawing: motor 1, oil tank 2, vehicle body 3, traveling wheel 4, jacking cylinder 5, lifting cylinder 6, chuck 7, pull arm 8, pull plate 9, positioning sleeve 10, half ring 11, cylinder rod 12, lifting ring 13, mounting hole 14, notch 15. DETAILED DESCRIPTION
[0022] The utility model will be further described by examples in combination with the drawings.
[0023] Referring to the drawings Figures 1-9 A 1250 six-high reversing mill speed reducer shaft coupling dismounting device contains vehicle body 3, traveling wheel 4, jacking cylinder 5, lifting cylinder 6, chuck 7, pull arm 8, pull plate 9, positioning sleeve 10 and half ring 11, vehicle body 3 is equipped with traveling wheel 4 below, the cylinder barrel of lifting cylinder 6 is fixed on vehicle body 3, the cylinder rod of lifting cylinder 6 is driven to be connected with the cylinder barrel of jacking cylinder 5, chuck 7 is fixed on the cylinder barrel of jacking cylinder 5, pull plate 9 is U-shaped structure, and the size of the U-shaped hole is matched with the speed reducer shaft coupling, pull plate 9 is equipped with two symmetrical mounting holes 14, pull arm 8 is two, one end of two pull arms 8 is fixedly connected on chuck 7 respectively, the other end of two pull arms 8 respectively passes through the mounting hole 14 on pull plate 9 and is fixed with pull plate 9 on two pull arms 8 through positioning sleeve 10 and two half rings 11.
[0024] In the embodiment, referring to the drawings Figures 1-9The dismounting device comprises a motor 1, an oil tank 2, a vehicle body 3, a walking wheel 4, a jacking cylinder 5, a lifting cylinder 6, a chuck 7, a pull arm 8, a pull plate 9, a positioning sleeve 10, a half ring 11, a jacking cylinder rod 12, a lifting ring 13, a mounting hole 14 and a notch 15, wherein:
[0025] The chuck 7 is uniformly distributed with four notches 15 in the circumferential direction, and the size of the notch 15 is matched with the diameter of the pull arm 8.
[0026] The pull plate 9 is a U-shaped structure, the size of the U-shaped hole is matched with the coupling of the speed reducer, the pull plate 9 is provided with a lifting ring 13 and two mounting holes 14, and the size of the mounting hole 14 is matched with the diameter of the pull arm 8.
[0027] The pull arm 8 is a stepped cylinder, and there are two pieces.
[0028] The positioning sleeve 10 is two pieces, and the half ring 11 is four pieces, and the size of the positioning sleeve 10 and the half ring 11 is matched with the diameter of the pull arm 8.
Claims
1. A 1250 six-high reversing mill speed reducer coupling dismounting device, characterized in that: The device comprises a vehicle body (3), walking wheels (4), a tightening cylinder (5), a lifting cylinder (6), a chuck (7), a pull arm (8), a pull plate (9), a positioning sleeve (10) and a half ring (11), the vehicle body (3) is provided with the walking wheels (4) below, the cylinder barrel of the lifting cylinder (6) is fixed on the vehicle body (3), the cylinder rod of the lifting cylinder (6) is drivingly connected with the cylinder barrel of the tightening cylinder (5), the chuck (7) is fixed on the cylinder barrel of the tightening cylinder (5), the pull plate (9) is of U-shaped structure, the size of the U-shaped hole of the pull plate (9) is matched with a speed reducer coupling, the pull plate (9) is provided with two symmetrical mounting holes (14), the pull arm (8) is two, one end of the two pull arms (8) is respectively fixedly connected on the chuck (7), the other end of the two pull arms (8) respectively passes through the mounting hole (14) on the pull plate (9), and the pull plate (9) is fixed on the two pull arms (8) through the positioning sleeve (10) and the two half rings (11).
2. A 1250 six-high reversing mill speed reducer coupling dismounting device according to claim 1, characterized in that: The chuck (7) is provided with a notch (15) matched with the pull arm (8) in the circumferential direction.
3. A 1250 six-high reversing mill speed reducer coupling dismounting device according to claim 2, characterized in that: The notch (15) matched with the pull arm (8) in the circumferential direction of the chuck (7) is oppositely arranged.
4. A 1250 six-high reversing mill speed reducer coupling dismounting device according to claim 1, characterized in that: The cylinder rod (12) of the tightening cylinder (5) is opposite to the U-shaped hole of the pull plate (9).
5. A 1250 six-high reversing mill speed reducer coupling dismounting device according to claim 1, characterized in that: The pull plate (9) is provided with a lifting ring (13).
6. A 1250 six-high reversing mill speed reducer coupling dismounting device according to claim 1, characterized in that: The size of the positioning sleeve (10) and the two half rings (11) is matched with the diameter of the pull arm (8).