CN217627100U

CN217627100U - Lifting equipment for production of rolling mill housing

Info

Publication number: CN217627100U
Application number: CN202222378172.5U
Authority: CN
Inventors: 张敬君
Original assignee: Huixian Longming Machinery Manufacturing Co ltd
Current assignee: Huixian Longming Machinery Manufacturing Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2022-10-21
Anticipated expiration: 2032-09-07

Abstract

The utility model discloses a lift by crane equipment for production of rolling mill memorial archway relates to rolling mill memorial archway technical field. The utility model discloses a longmen plays gallows hoist cable and rolling mill memorial archway main part, the lower extreme fixedly connected with of longmen plays gallows hoist cable leads to heart connecting rod, and the equal fixedly connected with in both ends that leads to heart connecting rod links up the piece, links up one side fixedly connected with hydraulic telescoping cylinder of piece, the output fixedly connected with T-shaped piece of hydraulic telescoping cylinder. The utility model discloses a lead to heart connecting rod, link up the piece, hydraulic stretching hydro-cylinder, the T-shaped piece, the ear mouth, lift by crane the cable wire, bunch piece, telescopic cylinder, bunch cover and arc tray, solved current equipment of lifting by crane the in-process that lifts by crane to the rolling mill memorial archway, wire rope can interfere with the bight in the rolling mill memorial archway top outside, can gnaw wire rope absolutely with the edges and corners of rolling mill memorial archway machined surface fish tail or rolling mill memorial archway, if the rolling mill memorial archway appears rocking when lifting by crane, lead to the problem that the rolling mill memorial archway drops from lifting by crane the equipment easily.

Description

Lifting equipment for production of rolling mill housing

Technical Field

The utility model belongs to the technical field of the rolling mill memorial archway, especially, relate to a lift by crane equipment for production of rolling mill memorial archway.

Background

The mill housing is also called as a frame, and is also a mounting roll bearing seat and a roll adjusting device consisting of two frames, so the forms of the frames mainly include two, one is an opening form and the other is a closed form, the closed form of the frame is mainly used for rolling a primary mill with larger Li or a plate and strip mill and the like, the initial mill is equal to the roll changing, the closed form of the frame is mainly used for a horizontal mill, and the frame is heavier, so the loading and transporting of the mill housing are completed by a hoisting device, but the frame still has the following defects in the practical use:

1. in the process of hoisting a rolling mill housing by using the conventional hoisting equipment, a steel wire rope interferes with a corner part on the outer side above the rolling mill housing, and the processing surface of the rolling mill housing is scratched or the steel wire rope is broken by the edge of the rolling mill housing.

2. The existing hoisting equipment has poor stability at the joint of the hoisting equipment and the mill housing during the hoisting process of the mill housing, and if the mill housing shakes during hoisting, the mill housing is easy to fall off from the hoisting equipment, so that great potential safety hazards exist.

Therefore, the existing hoisting equipment for the production of the rolling mill housing cannot meet the requirements in practical use, so that an improved technology is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lift by crane equipment for production of rolling mill memorial archway, through logical connecting rod, link up the piece, hydraulic stretching hydro-cylinder, the T-shaped piece, the ear mouth, lift by crane the cable wire, bunch piece, telescopic cylinder, bunch cover and arc tray, the in-process of lifting by crane equipment now to the rolling mill memorial archway has been solved, wire rope can interfere with the bight in the rolling mill memorial archway top outside, can gnaw wire rope absolutely with the edges and corners of rolling mill memorial archway machined surface fish tail or rolling mill memorial archway, it is relatively poor with the junction stability of rolling mill memorial archway to lift by crane equipment, if the rolling mill memorial archway appears rocking when lifting by crane, lead to the problem that the rolling mill memorial archway drops from lifting by crane equipment easily.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a lift by crane equipment for production of rolling mill housing, including longmen lifting frame hoist cable and rolling mill housing main part, the lower extreme fixedly connected with logical heart connecting rod of longmen lifting frame hoist cable, the equal fixedly connected with in both ends of logical heart connecting rod links up the piece, one side fixedly connected with hydraulic telescoping cylinder of linking up the piece, the output fixedly connected with T-shaped piece of hydraulic telescoping cylinder, constitute sliding connection between T-shaped piece and the logical heart connecting rod, one side fixedly connected with ear of T-shaped piece, the outer periphery fixedly connected with rotating assembly of ear, rotating assembly's outer end fixedly connected with lifts by crane the cable wire, the lower extreme fixedly connected with arc tray of the cable wire that lifts by crane, the both ends fixedly connected with lug of rolling mill housing main part, the outer periphery of arc tray cover at the lug is established, through the interval between the outer periphery fixedly connected with rotating assembly of hydraulic telescoping cylinder regulation lifting by crane cable wire, when the lug cover of arc tray cover is established and is lifted by crane the cable wire, lifts by crane the cable wire will parallel with the both sides of rolling mill housing main part to make lift by crane the bight not interfere with the bight outside of rolling mill housing main part.

Further, the outer periphery fixedly connected with bunch piece of lifting cable wire, one side fixedly connected with telescopic cylinder of bunch piece, telescopic cylinder's output fixedly connected with bunch cover, bunch cover sets up at lifting cable wire's outer periphery, starts telescopic cylinder for bunch cover moves down, thereby reduces the circle footpath of lifting cable wire lower extreme, and lifting cable wire's lower extreme cooperation arc tray can closely overlap the outer periphery at the lug, improves the stability between arc tray and the lug.

Further, rotating assembly includes bearing and connecting block, connecting block fixed connection is at the outer periphery of bearing, bearing fixed connection is at the outer periphery of ear, if lift by crane for fixed connection between cable wire and the ear, the swing of rolling mill housing main part when lifting by crane for the fixed connection department of lifting by crane the cable wire produces metal fatigue easily, leads to easily lifting by crane the fixed connection department of cable wire and ear and breaks off, through rotating assembly, makes to lift by crane and carries out swing joint between cable wire and the ear, reduces to lift by crane the cable wire and appear cracked possibility.

Furthermore, the both ends of logical heart connecting rod are the fixedly connected with threaded rod all, the one end of threaded rod runs through the piece of linking up and threaded connection has the screw thread ring, is convenient for dismantle the maintenance to the spare part of installation on hydraulic telescoping cylinder and the hydraulic telescoping cylinder.

Furthermore, the inner wall of the arc-shaped supporting block is movably connected with a small steel ball, and the outer spherical surface of the small steel ball is in contact with the outer circumferential surface of the lifting lug, so that the friction between the arc-shaped supporting block and the lifting lug can be reduced, the abrasion of the arc-shaped supporting block is reduced, and the service life is prolonged.

Furthermore, the hoisting steel cable comprises a steel cable base line, and the hoisting steel cable is made of steel cable base lines which are entangled with each other to form strands, so that the hoisting steel cable is not easy to break thoroughly when the rolling mill housing main body is hoisted.

The utility model discloses following beneficial effect has:

1. the utility model discloses a lead to heart connecting rod, join the piece, hydraulic stretching hydro-cylinder, the T-shaped piece, the ear mouth, lift by crane cable wire and arc tray, solved current equipment of lifting by crane the in-process of rolling mill housing, wire rope can interfere with the bight in the rolling mill housing top outside, can gnaw the problem of disconnected with wire rope with the arris of rolling mill housing machined surface fish tail or rolling mill housing, adjust the interval between the T-shaped piece through hydraulic stretching hydro-cylinder, thereby adjust the interval between the cable wire of lifting by crane, when the arc tray cover is established at the lug of rolling mill housing main part and is lifted by crane, lift by crane the cable wire and will parallel with the both sides of rolling mill housing main part, thereby make the cable wire of lifting by crane not interfere with the bight in the rolling mill housing main part top outside, greatly reduced rolling mill housing main part machined surface fish tail and the arris of rolling mill housing main part will lift by crane the possibility of disconnected of cable wire, and, interval through hydraulic stretching hydro-cylinder is to lifting by crane between the interval regulation, make the housing mill housing main part can be applicable to different width rolling mill housings and carry out the user's demand of steel wire rope.

2. The utility model discloses a lift by crane the cable wire, bunch piece, telescopic cylinder, bunch cover and arc tray, the in-process of current equipment of lifting by crane to rolling mill housing has been solved, it is relatively poor with the junction stability of rolling mill housing to lift by crane equipment, if the rolling mill housing appears rocking when lifting by crane, lead to rolling mill housing to drop from lifting by crane equipment easily, there is the problem of very big potential safety hazard, when arc tray cover establishes the lug of rolling mill housing main part and lifts by crane, start telescopic cylinder, make bunch cover move down, thereby reduce the circle footpath of lifting by crane the cable wire lower extreme, the lower extreme cooperation arc tray of lifting by crane the cable wire can closely overlap and establish the outer periphery at the lug, the stability of housing main part at the in-process of lifting by crane has greatly been improved, reduce the possibility that rolling mill housing main part drops from the arc tray, reduce the potential safety hazard.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;

FIG. 3 is a schematic structural view of the engagement sleeve of the present invention;

FIG. 4 is a schematic view of the split structure of the center-through connecting rod and the hydraulic telescopic cylinder of the present invention;

fig. 5 is the schematic structural diagram of the cross section of the hoisting cable of the present invention.

In the drawings, the reference numbers indicate the following list of parts:

100. gantry crane sling; 200. a through-core connecting rod; 201. a threaded rod; 202. a threaded ring; 300. a joining block; 400. a hydraulic telescopic oil cylinder; 500. a T-shaped block; 501. ear openings; 600. a rotating assembly; 601. a bearing; 602. connecting blocks; 700. hoisting a steel cable; 701. a wire harness block; 702. a telescopic cylinder; 703. a wire harness sleeve; 704. a wire rope baseline; 800. an arc-shaped supporting block; 801. small steel balls; 900. a rolling mill housing main body; 901. and (7) lifting lugs.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

Referring to fig. 1-5, the present invention relates to a lifting device for the production of rolling mill housing, which comprises a gantry crane sling 100 and a rolling mill housing main body 900, wherein the lower end of the gantry crane sling 100 is fixedly connected with a through-center connecting rod 200, both ends of the through-center connecting rod 200 are fixedly connected with a connecting block 300, one side of the connecting block 300 is fixedly connected with a hydraulic telescopic cylinder 400, the output end of the hydraulic telescopic cylinder 400 is fixedly connected with a T-shaped block 500, a sliding connection is formed between the T-shaped block 500 and the through-center connecting rod 200, one side of the T-shaped block 500 is fixedly connected with an ear 501, the outer circumferential surface of the ear 501 is fixedly connected with a rotating assembly 600, the outer end of the rotating assembly 600 is fixedly connected with a lifting steel cable 700, the lower end of the lifting steel cable 700 is fixedly connected with an arc-shaped supporting block 800, lifting lugs 901 are fixedly connected to two ends of a rolling mill housing main body 900, an arc-shaped supporting block 800 is sleeved on the outer circumferential surface of the lifting lugs 901, a rotating assembly 600 comprises a bearing 601 and a connecting block 602, the connecting block 602 is fixedly connected to the outer circumferential surface of the bearing 601, the bearing 601 is fixedly connected to the outer circumferential surface of an ear opening 501, if the lifting steel cable 700 is fixedly connected with the ear opening 501, the rolling mill housing main body 900 swings during lifting, so that metal fatigue is easily generated at the fixed connection position of the lifting steel cable 700, the fixed connection position of the lifting steel cable 700 and the ear opening 501 is easily broken, the lifting steel cable 700 is movably connected with the ear opening 501 through the rotating assembly 600, and the possibility that the lifting steel cable 700 is broken is reduced.

As shown in fig. 4, a wire tying block 701 is fixedly connected to an outer circumferential surface of the hoisting cable 700, a telescopic cylinder 702 is fixedly connected to one side of the wire tying block 701, a wire tying sleeve 703 is fixedly connected to an output end of the telescopic cylinder 702, the wire tying sleeve 703 is sleeved on the outer circumferential surface of the hoisting cable 700, the telescopic cylinder 702 is started to enable the wire tying sleeve 703 to move downwards, so that a circle diameter of the lower end of the hoisting cable 700 is reduced, the lower end of the hoisting cable 700 can be tightly sleeved on the outer circumferential surface of the lifting lug 901 in cooperation with the arc-shaped support block 800, stability between the arc-shaped support block 800 and the lifting lug 901 is improved, a small steel ball 801 is movably connected to an inner wall of the arc-shaped support block 800, an outer spherical surface of the small steel ball 801 is in contact with the outer circumferential surface of the lifting lug 901, friction between the arc-shaped support block 800 and the lifting lug 901 can be reduced, abrasion of the arc-shaped support block 800 is reduced, and the service life is prolonged.

As shown in fig. 3, the two ends of the through center connecting rod 200 are fixedly connected with threaded rods 201, one end of each threaded rod 201 penetrates through the connecting block 300 and is in threaded connection with a threaded ring 202, so that the hydraulic telescopic cylinder 400 and parts mounted on the hydraulic telescopic cylinder 400 can be conveniently detached and overhauled.

As shown in fig. 4, the hoisting cable 700 includes a cable base line 704, and the hoisting cable 700 is made of the cable base lines 704 entangled with each other into strands, so that the hoisting cable 700 is not easily broken completely when hoisting the mill housing main body 900.

One specific application of this embodiment is: the distance between the T-shaped blocks 500 is adjusted through the hydraulic telescopic cylinder 400, so that the distance between the lifting steel cables 700 is adjusted, when the arc-shaped support block 800 is sleeved on the lifting lug 901 of the mill housing main body 900 and lifted, the lifting steel cables 700 are parallel to two sides of the mill housing main body 900, so that the lifting steel cables 700 do not interfere with the corner part on the outer side of the upper side of the mill housing main body 900, the distance between the lifting steel cables 700 is adjusted through the hydraulic telescopic cylinder 400, so that the lifting steel cables 700 can be suitable for the mill housing main body 900 with different widths to lift, when the arc-shaped support block 800 is sleeved on the lifting lug 901 of the mill housing main body 900 and lifted, the telescopic cylinder 702 is started, so that the wire bundling sleeve 703 moves downwards, so that the ring diameter of the lower end of the lifting steel cable 700 is reduced, the lower end of the lifting steel cable 700 is matched with the arc-shaped support block 800 to be tightly sleeved on the outer circumferential surface of the lifting lug 901, and the stability of the mill housing main body 900 in the lifting process is greatly improved.

The above is only the preferred embodiment of the present invention, and the present invention is not limited thereto, and any modifications to the technical solutions recorded in the foregoing embodiments, and equivalent replacements to some of the technical features thereof, and any modifications, equivalent replacements, and improvements made belong to the protection scope of the present invention.

Claims

1. The utility model provides a lift by crane equipment for production of rolling mill memorial archway, includes portal lifting frame hoist cable (100) and rolling mill memorial archway main part (900), its characterized in that: the lower end of the gantry lifting frame sling (100) is fixedly connected with a through center connecting rod (200), two ends of the through center connecting rod (200) are fixedly connected with a connecting block (300), one side of the connecting block (300) is fixedly connected with a hydraulic telescopic oil cylinder (400), the output end of the hydraulic telescopic oil cylinder (400) is fixedly connected with a T-shaped block (500), the T-shaped block (500) is in sliding connection with the through center connecting rod (200), one side of the T-shaped block (500) is fixedly connected with an ear opening (501), the outer circumferential surface of the ear opening (501) is fixedly connected with a rotating assembly (600), the outer end of the rotating assembly (600) is fixedly connected with a lifting steel cable (700), and the lower end of the lifting steel cable (700) is fixedly connected with an arc-shaped supporting block (800);

lifting lugs (901) are fixedly connected to two ends of the mill housing main body (900), and the arc-shaped supporting block (800) is sleeved on the outer circumferential surfaces of the lifting lugs (901).

2. A lifting apparatus for the production of rolling mill stands according to claim 1, characterized in that: the outer circumferential surface of the hoisting steel cable (700) is fixedly connected with a wire bunching block (701), one side of the wire bunching block (701) is fixedly connected with a telescopic cylinder (702), the output end of the telescopic cylinder (702) is fixedly connected with a wire bunching sleeve (703), and the outer circumferential surface of the hoisting steel cable (700) is sleeved with the wire bunching sleeve (703).

3. A lifting apparatus for the production of rolling mill stands according to claim 1, characterized in that: rotating assembly (600) includes bearing (601) and connecting block (602), connecting block (602) fixed connection is in the outer periphery of bearing (601), bearing (601) fixed connection is in the outer periphery of ear mouth (501).

4. A lifting apparatus for the production of rolling mill stands according to claim 1, characterized in that: the both ends of logical heart connecting rod (200) are equal fixedly connected with threaded rod (201), the one end of threaded rod (201) runs through and links up piece (300) and threaded connection has threaded ring (202).

5. A lifting apparatus for the production of rolling mill stands according to claim 1, characterized in that: the inner wall of the arc-shaped supporting block (800) is movably connected with a small steel ball (801), and the outer spherical surface of the small steel ball (801) is in contact with the outer circumferential surface of the lifting lug (901).

6. A lifting apparatus for the production of rolling mill stands according to claim 1, characterized in that: the hoisting cable (700) comprises a cable base line (704), and the hoisting cable (700) is made of the cable base lines (704) which are intertwined with each other into strands.