CN219581362U

CN219581362U - Rough rolling vertical roll balance Liang Gunlun lubrication structure and rough rolling equipment

Info

Publication number: CN219581362U
Application number: CN202320947765.0U
Authority: CN
Inventors: 徐胜利; 憨松峰; 张树波
Original assignee: Tiantie Hot Rolled Plate Co ltd
Current assignee: Tiantie Hot Rolled Plate Co ltd
Priority date: 2023-04-24
Filing date: 2023-04-24
Publication date: 2023-08-25
Anticipated expiration: 2033-04-24

Abstract

The utility model discloses a rough rolling vertical roll balance Liang Gunlun lubrication structure, which belongs to the technical field of steel manufacturing equipment and comprises a balance beam, a pin shaft, a bearing and a roller, wherein the roller is arranged on the balance beam through the pin shaft and the bearing; the oil filling hole is arranged on the balance beam, an outer orifice of the oil filling hole is arranged on the upper part of the balance beam, and an inner orifice of the oil filling hole is arranged on the balance beam and used for being matched with a shaft hole of the pin shaft; the radial oil supply channel is arranged on the pin shaft, the inner opening of the radial oil supply channel is communicated with the axial oil channel, and the outer opening of the radial oil supply channel is communicated with the inner orifice of the oil filling hole; the plug is arranged at the outer side orifice of the oil filling hole. The lubricating structure improves the service life and the working stability of the balance Liang Gunlun, reduces the accident rate and improves the production efficiency.

Description

Rough rolling vertical roll balance Liang Gunlun lubrication structure and rough rolling equipment

Technical Field

The utility model belongs to the technical field of steel manufacturing equipment, and particularly relates to a rough rolling vertical roll balance Liang Gunlun lubrication structure and rough rolling equipment.

Background

In order to achieve the aims of saving energy, reducing consumption, increasing yield and improving efficiency, and on the premise of ensuring the yield and improving the quality, in order to reduce the accident rate and the accident time, the places where the accidents happen frequently in the rolling line are required to be modified and improved. One of them is the problem of cracking of the small wheels of the rough rolling vertical roller balance beam. In the structure of the balance Liang Gunlun, the balance beam is fixed in the frame, and stable reciprocating motion of the balance beam in the frame is ensured through the roller wheels. However, with the reduction of equipment precision, the roller mounting part is not lubricated in place, so that the roller is frequently blocked, the bearing is cracked and other faults, the balance beam is not stable to operate, the pressure of the balance cylinder is overlarge, and the vertical roller mill is inclined, so that the steel rolling production is influenced.

Through many times of overhauling and replacement inspection, the analysis finds that the main reason of the problem is that the field environment is bad, the high-pressure water dephosphorization device is arranged at the front part of the vertical roller mill, dust and scrap iron are more, the water quantity is large, the roller lacks an effective sealing measure, only the bearing retainer ring is arranged, the dust and the scrap iron easily enter the roller bearing, and the bearing is blocked or the bearing ball is worn and aggravated, so that the bearing is damaged.

At the earliest, lubrication is performed at the front ends of the roller and the pin shaft, so that the lubrication is difficult due to structural limitation. The rear end of the pin shaft is changed into oil injection, the roller lubrication oil hole is an axial oil passage in a hole shape, the orifice is arranged on the inner side of the pin shaft, the bolt for fixing the pin shaft is assembled at the orifice, the fixing bolt is required to be removed every time of oil injection, and the operation space is narrow, so that the oil injection is not facilitated. Therefore, there is a need for an improved lubrication structure for the roller.

Disclosure of Invention

Aiming at the problems existing in the prior art, the utility model provides a rough rolling vertical roll balance Liang Gunlun lubrication structure and rough rolling equipment for solving the problems of poor lubrication of rollers, bearing clamping and the like in the prior art.

The utility model is realized in such a way that the rough rolling vertical roll balance Liang Gunlun lubrication structure comprises a balance beam, a pin shaft, a bearing and a roller, wherein the roller is arranged on the balance beam through the pin shaft and the bearing, the pin shaft is provided with an axial oil duct and a radial lubrication oil duct communicated with the axial oil duct, and an opening on the outer side of the radial lubrication oil duct corresponds to the bearing; the oil filling hole is formed in the balance beam, an outer side orifice of the oil filling hole is formed in the upper portion of the balance beam, and an inner side orifice of the oil filling hole is formed in a shaft hole of the balance beam for assembling a pin shaft; the radial oil supply passage is arranged on the pin shaft, an inner opening of the radial oil supply passage is communicated with the axial oil passage, and an outer opening of the radial oil supply passage is communicated with an inner orifice of the oil filling hole; the plug is arranged at the outer side orifice of the oil filling hole.

In the above technical solution, preferably, the pin shaft is provided with a circumferential groove extending in a circumferential direction, the axial position of the circumferential groove corresponds to the inner port of the oil filling hole, the circumferential groove is communicated with the inner port of the oil filling hole, and the circumferential groove is communicated with the outer side of the radial oil supply duct.

In the above technical solution, preferably, the circumferential groove is a circumferential groove, and the width of the circumferential groove is greater than the diameter of the inner orifice of the fuel filler hole.

In the above technical scheme, preferably, the oil filling hole is a vertical round hole formed in the balance beam, an inner thread is arranged at an outer side orifice of the oil filling hole, and the plug is mounted at the outer side orifice of the oil filling hole through threads.

In the above technical solution, preferably, the radial oil supply channel is a radial straight hole provided in the pin shaft.

In the above technical solution, preferably, an inner opening of the axial oil duct is provided at an inner end of the pin shaft, and the inner opening of the axial oil duct is provided with a bolt through threads.

In the above technical solution, preferably, sealing ring grooves are provided on both sides of the circumferential groove, and a sealing ring is provided in the sealing ring groove.

The utility model has the advantages and effects that:

1. independent dedicated oiling configuration: according to the utility model, the upper part of the balance beam and the corresponding position of the pin shaft are provided with the oiling hole and the radial oil supply channel for oiling, so that an independent special oiling structure is formed. Through this oiling structure, can regularly refuel in axial oil duct and the radial lubrication oil duct to guarantee that the gyro wheel obtains abundant lubrication. Compared with the mode that the fixing bolt is required to be disassembled for oiling in the prior art, the oiling structure is more convenient and efficient.

2. Ensure that the roller is lubricated fully: due to the severe field environment, the roller bearing is easy to be invaded by dust, scrap iron and other impurities, so that the faults of blocking, bearing fragmentation and the like are caused. According to the oiling structure disclosed by the utility model, the roller bearing can be oiled regularly, so that the lubrication is ensured to be sufficient, the risk of bearing damage is reduced, and the service life and stability of the roller are improved.

3. The operation is convenient: in the oiling structure, the positions of the oiling hole and the radial oil supply channel are reasonable, so that the operation is convenient. Compared with the mode that the oiling operation space is narrow and the fixing bolt needs to be disassembled in the prior art, the oiling structure is more convenient to operate, and the operation difficulty and the time cost in the oiling process are reduced.

In summary, the rough rolling vertical roll balancing Liang Gunlun lubrication structure provided by the utility model realizes the purpose of fully lubricating the roller through an independent special oiling structure, ensures the stable operation and long service life of the roller, and is more convenient and efficient in operation. Therefore, the utility model has remarkable technical effect and economic benefit in steel rolling production.

Another object of the present utility model is to provide a rough rolling apparatus, wherein any one of the above rough rolling vertical roll balance Liang Gunlun lubrication structures is provided.

Drawings

Fig. 1 is a schematic diagram of the structure of the present utility model.

Detailed Description

The present utility model will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In order to solve the problems of poor lubrication of rollers and bearing blocking in the prior art, the utility model particularly provides a rough rolling vertical roll balance Liang Gunlun lubrication structure and rough rolling equipment, and the lubrication structure improves the service life and working stability of balance Liang Gunlun, reduces accident rate and improves production efficiency. For further explanation of the structure of the present utility model, the detailed description is as follows in connection with the accompanying drawings:

example 1

Referring to fig. 1, a lubrication structure for rough rolling vertical roll balance Liang Gunlun includes a balance beam 1, a pin shaft 2, a bearing 3 and a roller 4. The idler wheels are arranged on the balance beam through pin shafts and bearings. The pin shaft is used as a wheel shaft of the roller, two sides of the balance are respectively provided with two pin holes for inserting the pin shafts, the pin shafts are inserted into the pin holes and locked by bolts, the bolts are connected to the inner ends of the pin shafts, the bearings are sleeved at the outer ends of the pin shafts, and the roller is assembled on the pin shafts through the bearings, so that the roller is mounted in the balance Liang Cebu. The pin shaft is provided with an axial oil passage 5 and a radial lubricating oil passage 6 communicated with the axial oil passage, wherein the axial oil passage is a circular duct arranged at the axial position of the pin shaft, and the radial lubricating oil passage is a radially extending circular duct arranged at the inner side of the outer end part of the pin shaft. The radial lubricating oil duct outside opening corresponds with the bearing, and lubricating oil can be led to the bearing installation position through axial oil duct and radial lubricating oil duct. The inner opening of the axial oil duct is arranged at the inner end part of the pin shaft, and the inner opening of the axial oil duct is provided with a bolt through threads.

In the embodiment, the modified bearing and the imported SKF bearing are selected, so that the improved small-diameter bearing is small in cost increase after improvement, the expected aim is to reduce poor performance of the vertical roller caused by the failure of the balance Liang Gunlun of the vertical roller, prolong the service life of the small wheel, ensure the normal operation of the balance beam, reduce equipment shutdown caused by the failure of the small wheel of the vertical roller, ensure smooth production and improve economic benefit.

Comprises an oil filling hole 7, a radial oil supply passage 8 and a plug 9. The oil filling hole and the radial oil supply channel form a special oil filling passage in the balance beam and roller combination structure.

The balance beam is located to the tank filler hole, and the upper portion of balance beam is located to the outside drill way of tank filler hole, and the shaft hole that the balance beam was used for joining in marriage the dress round pin axle is located to the inboard drill way of tank filler hole, and in this embodiment, specifically, the tank filler hole is the vertical round hole of locating the balance beam.

The radial oil supply channel is arranged on the pin shaft, an inner opening of the radial oil supply channel is communicated with the axial oil channel, and an outer opening of the radial oil supply channel is communicated with an inner orifice of the oil filling hole. The radial oil supply channel is a radial straight hole arranged on the pin shaft. Specifically, after the pin shaft is assembled on the balance beam, the lubricating oil added from the oil filling hole can be led into the radial oil supply channel.

The plug is arranged at the outer side orifice of the oil filling hole. The outside drill way of tank filler hole is equipped with the internal thread, and the outside drill way of tank filler hole passes through the screw thread installation shutoff. The plug is used for the oil filling hole of the duplug to avoid entering dust. In addition, the outside orifice of the filler neck can be directly communicated with a dry oil distributor without installing a plug, and the dry oil distributor is existing equipment and is commonly used for quantitatively lubricating parts needing to be lubricated in equipment.

In order to facilitate assembly, the requirement of connection of the oil filling hole and the radial oil supply passage on assembly precision is reduced, the pin shaft is provided with a circumferential groove 10 which is corresponding to the inner side orifice of the oil filling hole in the axial position and extends along the circumferential direction, the circumferential groove is communicated with the inner side orifice of the oil filling hole, and the circumferential groove is communicated with the outer side of the radial oil supply passage. I.e. the axial direction of the circumferential groove corresponds to the axial position of the filler neck after the pin has been fitted to the secure mounting position. In this embodiment, the circumferential groove is a circumferential groove having a width greater than the diameter of the inner port of the fuel filler hole to eliminate misalignment due to assembly misalignment. In order to avoid oil leakage between the pin shaft and the balance beam after assembly, sealing ring grooves are arranged on two sides of the annular groove, and sealing rings are arranged in the sealing ring grooves.

Example two

The rough rolling equipment comprises a balance beam, wherein the balance beam is provided with the rough rolling vertical roll balance Liang Gunlun lubrication structure in the first embodiment. In addition, a dust scraping plate is additionally arranged in front of the roller, and accumulated dust is removed in advance in the running process of the small wheel, so that the roller runs stably.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a rough rolling edger roll balance Liang Gunlun lubricating structure, includes compensating beam, round pin axle, bearing and gyro wheel, the gyro wheel passes through round pin axle and bearing are installed in the compensating beam, the round pin axle be equipped with the axial oil duct and with the radial lubrication oil duct of axial oil duct intercommunication, radial lubrication oil duct outside opening with the bearing corresponds, its characterized in that includes:

the oil filling hole is formed in the balance beam, an outer orifice of the oil filling hole is formed in the upper portion of the balance beam, and an inner orifice of the oil filling hole is formed in a shaft hole of the balance beam for assembling a pin shaft;

the radial oil supply passage is arranged on the pin shaft, an inner opening of the radial oil supply passage is communicated with the axial oil passage, and an outer opening of the radial oil supply passage is communicated with an inner orifice of the oil filling hole;

and the plug is arranged at an outer side orifice of the oil filling hole.

2. The roughing roller balance Liang Gunlun lubrication structure of claim 1, wherein said pin is provided with a circumferentially extending circumferential groove in axial position corresponding to the inner port of said tank filler, said circumferential groove communicating with the outer side of said radial oil supply passage.

3. The roughing roller balance Liang Gunlun lubrication of claim 2, wherein the circumferential groove is a circumferential groove having a width greater than the diameter of the inner orifice of the filler neck.

4. The rough rolling vertical roll balance Liang Gunlun lubrication structure according to claim 3, wherein the oil filling hole is a vertical round hole formed in the balance beam, an inner thread is formed in an outer hole of the oil filling hole, and the plug is mounted on the outer hole of the oil filling hole through threads.

5. The roughing roller balance Liang Gunlun lubrication structure of claim 4, wherein said radial oil supply passage is a radial straight bore provided in said pin.

6. The roughing roller balance Liang Gunlun lubrication structure of claim 5, wherein the inner opening of the axial oil passage is provided at an inner end of the pin shaft, the inner opening of the axial oil passage being provided by a threaded mounting bolt.

7. The roughing roller balance Liang Gunlun lubrication structure of claim 6, wherein sealing ring grooves are formed in two sides of the circumferential groove, and sealing rings are arranged in the sealing ring grooves.

8. A rough rolling device, characterized in that the rough rolling vertical roll balance Liang Gunlun lubrication structure according to any one of claims 1 to 7 is provided.