CN212832331U - Rolling mill step pad replacement trolley - Google Patents
Rolling mill step pad replacement trolley Download PDFInfo
- Publication number
- CN212832331U CN212832331U CN202021262545.7U CN202021262545U CN212832331U CN 212832331 U CN212832331 U CN 212832331U CN 202021262545 U CN202021262545 U CN 202021262545U CN 212832331 U CN212832331 U CN 212832331U
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- channel steel
- support
- lug
- rolling mill
- crane hook
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Abstract
The utility model discloses a dolly is changed to rolling mill ladder pad belongs to metallurgical machinery and overhauls technical field. The device includes the support, has set firmly overhead crane hook lug, chain block lug on the crossbeam in the middle of the support, and overhead crane hook lug is located the top of support crossbeam, and the chain block lug is located the below of support crossbeam, offers overhead crane hook hole on the overhead crane hook lug, offers chain block lifting eye on the chain block lug, and the track walking wheel is installed to the support bottom. The utility model discloses be convenient for remove, hoist and mount rolling mill ladder pad, make the change process of rolling mill ladder pad safer, laborsaving, high-efficient, faster completion rolling mill overhauls the operation.
Description
Technical Field
The utility model belongs to the technical field of metallurgical machinery overhauls, in particular to dolly is changed to rolling mill ladder pad.
Background
The 2800mm reversible medium plate rolling mill's that wine steel mill adopted step pad is at the underground position apart from factory building ground 1.8 meters, be equipped with the step pad at underground rail surface, install rolling mill back-up roll under the step pad, the higher authority is last supporting roll, will go up during the maintenance, the lower supporting roll is demolishd, just can carry out the change of rolling mill step pad, the step pad is changed 1 pair at every turn, when overhauing at every turn, need 2 people to lift out the step pad of demolising, this position greasy dirt is heavier, and the step pad is heavier, when the manpower is lifted fortune cost of force, it is still very unsafe.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the above-mentioned defect that exists among the prior art, a dolly is changed to rolling mill ladder pad is provided to ladder pad change process is safe and reliable more when making reversible rolling mill overhaul.
The utility model discloses a realize above-mentioned purpose, the technical scheme of adoption as follows:
the utility model provides a dolly is changed to rolling mill ladder pad, includes the support, has set firmly overhead traveling crane hook lug, chain block lug on the crossbeam in the middle of the support, and overhead traveling crane hook lug is located the top of support crossbeam, and the chain block lug is located the below of support crossbeam, offers overhead traveling crane hook hole on the overhead traveling crane hook lug, offers chain block lifting hole on the chain block lug, and the track walking wheel is installed to the support bottom.
Further, the utility model discloses an among some implementation technical scheme, the support includes the bracing channel-section steel, connects the channel-section steel, strengthens the channel-section steel, and the bracing channel-section steel symmetry sets up in the both ends of support crossbeam, connects the middle part that the channel-section steel is connected homonymy bracing channel-section steel, strengthens channel-section steel one end and connects channel-section steel middle part fixed connection, other end and crossbeam bottom surface middle part fixed connection, bracing channel-section steel bottom mounting rail walking wheel.
Preferably, a reinforcing channel steel is further arranged on the top surface of the cross beam of the support, and the middle of the top surface of the reinforcing channel steel is fixedly connected with the top hook lifting lug.
Preferably, the width of the chain block lifting lug is larger than the width of the reinforced channel steel and the width of the support beam, and the upper part of the chain block lifting lug is fixedly connected with the two sides of the reinforced channel steel.
Further, some implement technical scheme of the utility model in, the inboard middle part of bracing channel-section steel is equipped with first positioning wheel.
Still further, in some embodiments of the present invention, a second positioning wheel is further disposed inside the diagonal bracing channel steel below the first positioning wheel.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that: by adopting the device which is convenient to move and hoist the rolling mill step pad, the replacement process of the rolling mill step pad is safer, more labor-saving and more efficient, and the maintenance operation of the rolling mill is completed more quickly.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
reference numerals: 1-overhead coupler lifting lug, 2-inverted chain lifting lug, 3-first positioning wheel, 4, second positioning wheel, 5-track traveling wheel, 6-inclined strut channel steel, 7-connecting channel steel, 8-reinforcing channel steel and 9-reinforcing channel steel;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
Examples
A trolley for replacing a rolling mill step pad comprises a support, wherein a beam in the middle of the support is fixedly provided with a top hook lifting lug 1 and a chain block lifting lug 2, the top hook lifting lug 1 is positioned above the support beam, the chain block lifting lug 2 is positioned below the support beam, a top hook hole is formed in the top hook lifting lug 1, a chain block lifting hole is formed in the chain block lifting lug 2, and a track travelling wheel 5 is installed at the bottom of the support; the support comprises an inclined strut channel steel 6, a connecting channel steel 7 and a reinforcing channel steel 8, the inclined strut channel steel 6 is symmetrically arranged at two ends of a support beam, the connecting channel steel 7 is connected with the middle part of the inclined strut channel steel 6 at the same side, one end of the reinforcing channel steel 8 is fixedly connected with the middle part of the connecting channel steel 7, the other end of the reinforcing channel steel 8 is fixedly connected with the middle part of the bottom surface of the beam, and a track travelling wheel 5 is arranged at the bottom of; still be provided with on the crossbeam top surface of support and consolidate channel-section steel 9, consolidate 9 top surfaces of channel-section steel and fixedly connected overhead hook lugs 1 in the middle part, 2 width of chain block lug are greater than the width of consolidating channel-section steel 9 and support crossbeam, 2 upper portions of chain block lug still with consolidate 9 both sides fixed connection of channel-section steel, 6 inboard middle parts of bracing channel-section steel are equipped with first positioning wheel 3, 6 inboards of bracing channel-section steel below first positioning wheel 3 still are equipped with second positioning wheel 4.
The diagonal bracing channel steel 6 adopts 4 channel steel which are arranged in axial symmetry relative to the bracket beam; the connecting channel steel 7 is horizontally arranged and connected with 2 diagonal bracing channel steels 6 on the same side in the left and right directions; the reinforcing channel steel 8 is obliquely arranged, and the reinforcing channel steel 9 adopts 2 channel steels which are stacked and welded.
During the use, connect 1t chain block with the shackle, 2 people lift or push away this device near the rolling mill, connect overhead crane hook lifting eye with shackle and wire rope, wire rope hangs on the overhead crane hook, hang the dolly to the position of 1.8 meters below the ground, drop the dolly on the track of replacement backing roll down, 1 people pushes away this device and pushes away the position of ladder pad, carry out the change of ladder pad, the ladder pad of demolising passes through chain block hoist and mount on chain block lug 2, through pushing away the position that this device used to the overhead crane, the overhead crane will hang away this device that has the ladder pad after demolising.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a dolly is changed to rolling mill ladder pad, includes the support, its characterized in that: overhead crane hook lug (1), back-up chain lug (2) have set firmly on the crossbeam in the middle of the support, overhead crane hook lug (1) is located the top of support crossbeam, and back-up chain lug (2) are located the below of support crossbeam, offer overhead crane hook hole on overhead crane hook lug (1), offer back-up chain lifting hole on back-up chain lug (2), and track walking wheel (5) are installed to the support bottom.
2. The rolling mill step pad replacement trolley of claim 1, wherein: the support further comprises diagonal bracing channel steel (6), a connecting channel steel (7) and a reinforcing channel steel (8), wherein the diagonal bracing channel steel (6) is symmetrically arranged at two ends of the support beam, the connecting channel steel (7) is connected with the middle part of the diagonal bracing channel steel (6) at the same side, one end of the reinforcing channel steel (8) is fixedly connected with the middle part of the connecting channel steel (7), the other end of the reinforcing channel steel is fixedly connected with the middle part of the bottom surface of the beam, and a track walking wheel (5) is installed at the bottom of the diagonal.
3. The rolling mill step pad replacement trolley of claim 2, wherein: and a reinforcing channel steel (9) is further arranged on the top surface of the cross beam of the support, and the middle part of the top surface of the reinforcing channel steel (9) is fixedly connected with the overhead crane hook lifting lug (1).
4. The rolling mill step pad replacement trolley of claim 3, wherein: the width of the chain block lifting lug (2) is larger than that of the reinforced channel steel (9) and the support beam, and the upper part of the chain block lifting lug (2) is fixedly connected with the two sides of the reinforced channel steel (9).
5. The rolling mill step pad replacement trolley of claim 4, wherein: and a first positioning wheel (3) is arranged in the middle of the inner side of the inclined strut channel steel (6).
6. The rolling mill step pad replacement trolley of claim 5, wherein: and a second positioning wheel (4) is further arranged on the inner side of the inclined strut channel steel (6) below the first positioning wheel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021262545.7U CN212832331U (en) | 2020-07-02 | 2020-07-02 | Rolling mill step pad replacement trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021262545.7U CN212832331U (en) | 2020-07-02 | 2020-07-02 | Rolling mill step pad replacement trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212832331U true CN212832331U (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021262545.7U Active CN212832331U (en) | 2020-07-02 | 2020-07-02 | Rolling mill step pad replacement trolley |
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| Country | Link |
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| CN (1) | CN212832331U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114472536A (en) * | 2021-12-30 | 2022-05-13 | 本钢板材股份有限公司 | Cold rolling mill base plate replacing device and method for adjusting rolling line elevation mode by base plate |
-
2020
- 2020-07-02 CN CN202021262545.7U patent/CN212832331U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114472536A (en) * | 2021-12-30 | 2022-05-13 | 本钢板材股份有限公司 | Cold rolling mill base plate replacing device and method for adjusting rolling line elevation mode by base plate |
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