CN212703679U

CN212703679U - Running gear of five roller straightener magnetic rolls

Info

Publication number: CN212703679U
Application number: CN202021147596.5U
Authority: CN
Inventors: 李慧敏; 李宏伟; 麦舟文; 杨小汉; 李恒山
Original assignee: Wuhan Iron and Steel Co Ltd
Current assignee: Wuhan Iron and Steel Co Ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-03-16
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses a walking device of a magnetic roller of a five-roller straightener, which comprises a frame, two front wheel components and two rear wheel components; the frame is formed by enclosing two cross beams and two longitudinal beams; the front wheel assembly comprises a front wheel shaft, an aligning ball bearing and a front traveling wheel, the inner end of the front wheel shaft is fixedly connected with the longitudinal beam, the outer end of the front wheel shaft is matched with the inner ring of the aligning ball bearing, and the outer ring of the aligning ball bearing is matched with the front traveling wheel; the rear wheel assembly comprises a rear wheel shaft, a cylindrical roller bearing and a rear travelling wheel, the inner end of the rear wheel shaft is fixedly connected with the longitudinal beam, the outer end of the rear wheel shaft is matched with the inner ring of the cylindrical roller bearing, and the outer ring of the cylindrical roller bearing is matched with the rear travelling wheel. The utility model has the advantages that: the front wheel assembly is provided with the self-aligning ball bearing, when the front wheel shaft is stressed to be bent or inclined, errors caused by non-concentricity and shaft deflection can be compensated, the whole walking device is ensured to run stably and smoothly, abrasion among components is small, and the service life of the walking device is long.

Description

Running gear of five roller straightener magnetic rolls

Technical Field

The utility model relates to a metallurgical industry steel rolling machinery field, concretely relates to running gear of five roller straightener magnetic rolls.

Background

The five-roller straightener is important equipment of steel rolling machinery in the metal processing process in the metallurgical industry, and mainly comprises a roller 8, a magnetic roller 2, a traveling frame, a support 5, an oil cylinder 6, a fixed seat 7, a traveling device 3 of the magnetic roller and the like, wherein the traveling device of the magnetic roller is a main component of the five-roller straightener as shown in figure 1. The magnetic roller is fixed on the walking device, is driven by a hydraulic cylinder to move back and forth on the moving frame rail by virtue of four walking wheels, moves to a proper position of the steel coil, lifts the head of the steel coil 1 to a proper preparation position by utilizing the magnetic attraction generated by the magnetic roller, and then sends the head to the space between the five rolling rollers for rolling.

The existing travelling wheel consists of a fixed shaft, an outer wheel, an inner copper bush and an outer end gland, and a travelling device is driven by an oil cylinder to move forwards and backwards. The oil cylinder acts on one side of the two walking wheels on the front end transmission side of the walking device, and is not positioned in the center of the two walking wheels, so that the two walking wheels in front of the transmission side can be influenced by an asymmetric moment in reciprocating operation, and the eccentric force causes the original built-in copper bush to be easily abraded; because the stress is uneven, the axial force is received while the radial force is received, the inner copper bush and the shaft are abraded frequently in the actual use process, the outer wheel is separated from the inner sleeve, the movement is not smooth, the blocking is easy to occur, and the potential safety hazard accident of slipping is caused; the travelling wheels have short service life and influence normal production. Therefore, there is a need for improvements in the prior art.

Disclosure of Invention

An object of the utility model is to provide a remove walking device of steady, long service life's five roller straightener magnetic rolls to the not enough of prior art.

The utility model adopts the technical proposal that: a walking device of a magnetic roller of a five-roller straightener comprises a frame, two front wheel assemblies and two rear wheel assemblies; the frame is formed by enclosing two cross beams and two longitudinal beams to form an integral structure; the front wheel assembly comprises a front wheel shaft, an aligning ball bearing and a front traveling wheel, the inner end of the front wheel shaft is fixedly connected with the longitudinal beam, the outer end of the front wheel shaft is matched with the inner ring of the aligning ball bearing, and the outer ring of the aligning ball bearing is matched with the front traveling wheel; the rear wheel assembly comprises a rear wheel shaft, a cylindrical roller bearing and a rear travelling wheel, the inner end of the rear wheel shaft is fixedly connected with the longitudinal beam, the outer end of the rear wheel shaft is matched with the inner ring of the cylindrical roller bearing, and the outer ring of the cylindrical roller bearing is matched with the rear travelling wheel.

According to the scheme, the front wheel assembly further comprises a front gasket, a front end face nut and a front plug which are arranged on the outer end face of the self-aligning ball bearing, and the front plug penetrates through the front end face nut and the front gasket and is fixedly connected with the front wheel shaft.

According to the scheme, the front wheel assembly further comprises a front spacer ring and a front transparent cover, the front spacer ring is arranged on the inner side of the self-aligning ball bearing, and the front transparent cover is connected with the front traveling wheel through a front bolt.

According to the scheme, the rear wheel assembly further comprises a rear gasket, a rear end face nut and a rear plug which are arranged on the outer end face of the cylindrical roller bearing, and the rear plug penetrates through the rear end face nut and the rear gasket and is fixedly connected with the rear wheel shaft.

According to the scheme, the rear wheel assembly further comprises a rear spacer ring and a rear transparent cover, the rear spacer ring is arranged on the inner side of the self-aligning ball bearing, and the rear transparent cover is connected with the rear travelling wheel through a rear bolt.

According to the scheme, the inner ends of the front wheel shaft and the rear wheel shaft are respectively provided with a notch, the notches are matched with a fixed clamping plate, and the fixed clamping plate is inserted into the notches; the fixed clamping plate is connected with the longitudinal beam through a connecting bolt and a nut.

The utility model has the advantages that: the two front wheel components of the walking device are provided with the self-aligning ball bearings, so that a larger radial load can be borne, and a certain axial load can be borne at the same time, when a front wheel shaft is stressed to be bent or inclined, the errors caused by the non-concentricity and the shaft deflection can be compensated, the self-aligning ball bearings can normally work, and further, the whole walking device is ensured to run stably and smoothly, the abrasion among the components is smaller, and the service life of the walking device is long; the two rear wheels of the walking device are not easily stressed by the uneven axial load, and the cylindrical roller bearing is configured to bear the radial load, so that the whole walking device is ensured to run stably; the utility model discloses simple structure removes steadily, does not have the card and hinders, and long service life has improved the work efficiency of five roller straightener, obtains better economic benefits.

Drawings

Fig. 1 is a schematic structural view of a conventional five-roll straightener.

Fig. 2 is a schematic structural diagram of an embodiment of the present invention.

Fig. 3 is a front view of the present embodiment.

Fig. 4 is a schematic structural view of the front wheel assembly in this embodiment.

Fig. 5 is a schematic structural view of the rear wheel assembly in this embodiment.

In fig. 2 to 5: 1. a cross beam; 2. a stringer; 3. a front wheel assembly; 3.1, a front end face nut; 3.2, front plug; 3.3, front running wheels; 3.4, a front gasket; 3.5, aligning ball bearings; 3.6, front bolt; 3.7, a front transparent cover; 3.8, a front spacing ring; 3.9, a front wheel axle; 4. fixing the clamping plate; 5. a rear wheel assembly; 5.1, a rear end face nut; 5.2, rear plug; 5.3, rear travelling wheels; 5.4, a rear gasket; 5.5, cylindrical roller bearings; 5.6, a rear bolt; 5.7, a rear transparent cover; 5.8, a rear spacing ring; 5.9, a rear axle; 6. a nut; 7. and connecting the bolts.

Detailed Description

For a better understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings.

The walking device of the magnetic roll of the five-roll straightener shown in fig. 2 to 3 comprises a frame, two front wheel assemblies 3 and two rear wheel assemblies 5; the frame is formed by enclosing two cross beams 1 and two longitudinal beams 2 to form an integral structure, and is driven by an oil cylinder to move back and forth on a track of the frame, so that the magnetic roller can send the strip head of a steel coil to between rollers of a five-roller straightener to be straightened; the front wheel assembly 3 comprises a front wheel shaft 3.9, a self-aligning ball bearing 3.5 and a front traveling wheel 3.3, the inner end of the front wheel shaft 3.9 is fixedly connected with the longitudinal beam 2, the outer end of the front wheel shaft 3.9 is matched with the inner ring of the self-aligning ball bearing 3.5, and the outer ring of the self-aligning ball bearing 3.5 is matched with the front traveling wheel 3.3; the rear wheel assembly 5 comprises a rear wheel shaft 5.9, a cylindrical roller bearing 5.5 and a rear travelling wheel 5.3, the inner end of the rear wheel shaft 5.9 is fixedly connected with the longitudinal beam 2, the outer end of the rear wheel shaft 5.9 is matched with the inner ring of the cylindrical roller bearing 5.5, and the outer ring of the cylindrical roller bearing 5.5 is matched with the rear travelling wheel 5.3.

In the embodiment, the inner ends of the front wheel shaft 3.9 and the rear wheel shaft 5.9 are respectively provided with a notch, the notches are matched with a fixed clamping plate 4, and the fixed clamping plate 4 is inserted into the notches; the fixed clamping plate 4 is connected with the longitudinal beam 2 through a connecting bolt 7 and a nut 6.

As shown in fig. 4, preferably, the front wheel assembly 3 further includes a front gasket 3.4, a front end nut 3.1 and a front plug 3.2, which are disposed on an outer end surface of the self-aligning ball bearing 3.5, and the front plug 3.2 passes through the front end nut 3.1 and the front gasket 3.4 and is connected and fixed with the front axle 3.9. Preferably, the front wheel assembly 3 further comprises a front spacer ring 3.8 and a front transparent cover 3.7, the front spacer ring 3.8 is arranged on the inner side of the self-aligning ball bearing 3.5, and the front transparent cover 3.7 is connected with the front road wheel 3.3 through a front bolt 3.6. In this embodiment, the front axle 3.9 is a reducer shaft, the self-aligning ball bearing 3.5 and the front spacer ring 3.8 are both assembled on the small-caliber section of the front axle 3.9, and the front spacer ring 3.8 separates the large-caliber sections of the self-aligning ball bearing 3.5 and the front axle 3.9.

As shown in fig. 5, preferably, the rear wheel assembly 5 further includes a rear gasket 5.4, a rear nut 5.1 and a rear plug 5.2, which are disposed on the outer end surface of the cylindrical roller bearing 5.5, and the rear plug 5.2 penetrates through the rear nut 5.1 and the rear gasket 5.4, and is connected and fixed with the rear axle 5.9. Preferably, the rear wheel assembly 5 further comprises a rear spacer ring 5.8 and a rear transparent cover 5.7, the rear spacer ring 5.8 is arranged on the inner side of the cylindrical roller bearing 5.5, and the rear transparent cover 5.7 is connected with the rear road wheel 5.3 through a rear bolt 5.6. In this embodiment, the rear axle 5.9 is a reducer shaft, the cylindrical roller bearing 5.5 and the rear spacer ring 5.8 are both assembled on the small-caliber section of the rear axle 5.9, and the rear spacer ring 5.8 separates the large-caliber sections of the cylindrical roller bearing 5.5 and the rear axle 5.9.

The utility model discloses in, running gear passes through hydro-cylinder drive and moves back-and-forth to the suitable position near the coil of strip on the track of frame, and the magnetic attraction that utilizes the magnetic roll to produce lifts the coil of strip head suitable position of preparing, sends the coil of strip head to and straightens rolling between the five rolling rolls. The front wheel assembly 3 of the traveling device is provided with the self-aligning ball bearing 3.5 which can bear larger radial load and certain axial load, the self-aligning ball bearing 3.5 has self-aligning performance, when a wheel shaft is stressed to be bent or inclined, errors caused by non-concentricity and shaft deflection can be compensated, the self-aligning ball bearing 3.5 can normally work, and then the whole traveling device is ensured to run stably and smoothly. The rear road wheel 5.3 is relatively not easy to be stressed by the uneven axial load, mainly receives the radial load, and in order to ensure the smooth operation of the rear road wheel, the rear wheel component 5 is provided with a cylindrical roller bearing 5.5. If front wheel subassembly 3 and rear wheel subassembly 5 all adopt self-aligning ball bearing 3.5, all carry out furthest aligning easily, lead to preceding walking wheel 3.3 and rear walking wheel 5.3 decentraction, easy wearing and tearing, remove unstably, the card hinders easily to take place, so two front wheel subassemblies 3 the structure is the same, all dispose self-aligning ball bearing 3.5, and two rear wheel structures are the same, all dispose cylindrical roller bearing 5.5, can ensure running gear's even running like this.

It should be noted that the above is only a preferred embodiment of the present invention, and the present invention is not limited thereto, and although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that the technical solutions described in the foregoing embodiments can be modified or some technical features can be replaced with equivalents, but any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A walking device of a magnetic roller of a five-roller straightener is characterized by comprising a frame, two front wheel assemblies and two rear wheel assemblies; the frame is formed by enclosing two cross beams and two longitudinal beams to form an integral structure; the front wheel assembly comprises a front wheel shaft, an aligning ball bearing and a front traveling wheel, the inner end of the front wheel shaft is fixedly connected with the longitudinal beam, the outer end of the front wheel shaft is matched with the inner ring of the aligning ball bearing, and the outer ring of the aligning ball bearing is matched with the front traveling wheel; the rear wheel assembly comprises a rear wheel shaft, a cylindrical roller bearing and a rear travelling wheel, the inner end of the rear wheel shaft is fixedly connected with the longitudinal beam, the outer end of the rear wheel shaft is matched with the inner ring of the cylindrical roller bearing, and the outer ring of the cylindrical roller bearing is matched with the rear travelling wheel.

2. The traveling device for the magnetic roll of the five-roll straightener as claimed in claim 1, wherein the front wheel assembly further comprises a front gasket, a front end nut and a front plug which are arranged on the outer end face of the self-aligning ball bearing, and the front plug passes through the front end nut and the front gasket and is fixedly connected with the front wheel shaft.

3. The running gear for magnetic rolls of a five-roll straightener as claimed in claim 2, wherein the front wheel assembly further comprises a front spacer ring and a front transparent cover, the front spacer ring is provided inside the self-aligning ball bearing, and the front transparent cover is connected with the front running wheel by a front bolt.

4. The running gear for magnetic rolls of a five-roll straightener as claimed in claim 1, wherein the rear wheel assembly further comprises a rear gasket, a rear end nut and a rear plug which are provided on the outer end face of the cylindrical roller bearing, and the rear plug passes through the rear end nut and the rear gasket and is fixedly connected with the rear wheel shaft.

5. The running gear for magnetic rolls of a five-roll straightener as claimed in claim 4, wherein the rear wheel assembly further comprises a rear spacer ring and a rear transparent cover, the rear spacer ring is disposed inside the self-aligning ball bearing, and the rear transparent cover is connected with the rear running wheels through rear bolts.

6. The running gear for magnetic rolls of a five-roll straightener as claimed in claim 1, wherein the inner ends of the front wheel axle and the rear wheel axle are respectively provided with a notch, the notches are adapted with a fixing clip plate, and the fixing clip plate is inserted into the notches; the fixed clamping plate is connected with the longitudinal beam through a connecting bolt and a nut.