CN208728321U - A kind of improved level looper - Google Patents

Abstract

The utility model discloses a kind of improved level loopers, it is related to making steel machinery field, including rack, loop arm, loop and cylinder, loop arm cooperates pivot pin to be set to rack by pin joint seat, and one end is hinged with cylinder, and the other end cooperates shaft to be provided with loop arm by bearing block, and the bottom of bearing block is equipped with a support column, rack is provided with wearing plate, and the upper surface of the wearing plate and the lower end of support column are inconsistent.The utility model has the beneficial effects that being improved bearing block, allows technical staff that bearing assembly and shaft are installed from top to bottom, greatly reduce the difficulty of handling and maintenance.Meanwhile being shared the weight of the actuating station (one end equipped with loop) of loop arm to bracket using support column and wearing plate, mitigate the load of pin joint seat and pivot pin, improves the service life of pin joint seat and pivot pin.

Description

A kind of improved level looper

Technical field

The utility model relates to make steel machinery field, more specifically refer to a kind of improved level looper.

Background technique

In wire production, loop is used to the variation of buffer metal flow, adjusts the tension between each milling train, realizes that no-station pole canopy rolls System, according to the difference of form, is divided into vertical and horizontal (level).Referring to referring to Fig. 4, Fig. 5 and Fig. 6, three steel high-speed line steel rolling mills Two high workshops use two set Horizontal loose sleeve devices, including loop arm a3, cylinder a1 and loop a4.Wherein, loop arm a3 is logical Cross pin joint seat with dowel pin a2 can horizontal hunting be set to rack, and one end of loop arm a3 is hinged with the cylinder as power A1, the other end extend to by the side of steel roller-way b, and cooperate shaft a32 to be rotatably mounted with work vertically by bearing block a31 Cover a4.Drive loop arm a3 using pin a2 as fulcrum horizontal hunting by cylinder a1, to adjust the position of loop a4 Yu steel roller-way b Relationship, to adjust the tension between each milling train.

Referring to Fig. 4, Fig. 5 and Fig. 6, existing level looper is in use, there are two aspects: one, in order to anti- Only sewage enters bearing block a31, and the outer housing a311 of bearing block a31 is designed as upper integral type, existed in this way by existing loop arm a3 When the installation of loop a4, it is necessary to install shaft a32 and loop a4 from top to bottom, by bearing a312, separation sleeve a313 and determine Position set a314, is up installed, and sealed with tabletting a315 and gland a315 below outer housing a311.This installation not only takes When, arduously also need multi agent cooperation.Two, because loop arm execution part (one end for being equipped with loop a3) is hanging and length is longer, It is larger to the weight bearing of the pin a2 and guide (copper sheathing) that play joint and supporting role in this way, lead to its quick abrasion, makes bulk life time It is too short.

Summary of the invention

A kind of improved level looper provided by the utility model, its object is to solve existing level looper The existing above problem.

The technical solution adopted in the utility model is as follows:

The middle part of a kind of improved level looper, including rack, loop arm, loop and cylinder, the loop arm is logical The rack, and the piston rod of one end of loop arm and the cylinder can be set to horizontally rotating by crossing pin joint seat cooperation pivot pin It is hinged, the other end is equipped with bearing block, and the loop cooperates shaft that can be vertically arranged at work with horizontally rotating by bearing block Arm is covered, the bottom of the bearing block is vertically-mounted a support column, and the rack level is provided with a wearing plate, the wearing plate Upper surface and the lower end of support column are inconsistent.

Further, the bearing block includes bearing block ontology, upper press cover, lower cover and bearing assembly, and bearing block ontology is in Cylindrical shape, the lower end of the shaft are rotatablely arranged at the inside of bearing block ontology, and bearing block ontology by bearing assembly Upper port upper press cover is provided with by bolt, lower port is provided with lower cover, and upper press cover and bearing block sheet by bolt Waterproof grommet is equipped between body, the lower end surface of lower cover is fixedly installed with the support column.

Further, the rack includes horizontally disposed I-shaped steel bar, and the wearing plate level is welded in I-steel The side of item, and go back oblique weld between wearing plate and I-shaped steel bar and have support rod.

Further, the support column includes U-shaped connecting column and wear-resistant block, and the upper end of the U-shaped connecting column is welded in described Lower cover, wear-resistant block are fixedly installed in the lower end of U-shaped connecting column by a plurality of screws.

Further, the wear-resistant block is copper billet, and the wearing plate is high-carbon steel.

Further, the lower end of the support column is equipped with away wheel, and the upper surface of the wearing plate is equipped with and walks wheel and matches The arc-shaped guide rail of conjunction.

It is compared with existing technology, utility model has the advantages that

The utility model improves the specific structure (bearing block ontology and upper press cover) of bearing block, improved axis Holding seat allows technical staff to install bearing assembly and shaft from top to bottom, greatly reduces the difficulty of handling and maintenance.Meanwhile The bottom of bearing block adds support column, installs the wearing plate as supporting element additional on bracket, will be lived using support column and wearing plate The weight for covering the actuating station (one end equipped with loop) of arm is shared to bracket, and pin joint seat and axis at loop shoulder joint point position are mitigated The load of pin improves the service life of pin joint seat and pivot pin.

Detailed description of the invention

Fig. 1 is the top view (mounting bracket for being not drawn into cylinder) of the utility model.

Fig. 2 is the main view (mounting bracket for being not drawn into cylinder) of the utility model.

Fig. 3 be bearing block, loop, shaft, support column, wearing plate and I-shaped the steel bar direction A-A along Fig. 1 partial cutaway View.

Fig. 4 is the top view of existing level looper.

Fig. 5 is the main view of existing level looper.

Fig. 6 is the decomposition diagram of loop, shaft and bearing block in existing level looper；

Fig. 7 is bearing block, loop, shaft, support column, wearing plate and I-shaped in the utility model another kind embodiment The cross-sectional view of steel bar.

Specific embodiment

Illustrate specific embodiment of the present utility model with reference to the accompanying drawings.For comprehensive understanding the utility model, below Many details are described to, but to those skilled in the art, can also realize the utility model without these details.

Referring to FIG. 1, FIG. 2 and FIG. 3, a kind of improved level looper, including rack 1, loop arm 3, loop 4 and cylinder 2.The middle part of loop arm 3 cooperates pivot pin 30 that can be set to rack 1 with horizontally rotating by pin joint seat 11.One end of loop arm 3 with The piston rod of cylinder 2 is hinged and (is not drawn into the mounting bracket of cylinder 2 in figure), and the other end is equipped with bearing block 300.Loop 4 is logical Crossing bearing block 300 cooperates shaft 5 that can be vertically arranged at loop arm 3 with horizontally rotating.Above structure is existing level loop dress The routine techniques feature set, using conventional sectional mode between each component, those skilled in the art can carry out according to the prior art Implement, is not added repeats herein.

Main innovation point of the invention and protection point include the following contents:

Referring to FIG. 1, FIG. 2 and FIG. 3, the bottom of bearing block 300 is vertically-mounted a support column 6, and rack 1 is horizontally disposed one Wearing plate 7.The upper surface of wearing plate 7 and the lower end of support column 6 are inconsistent, share for pin joint seat 11 and pivot pin 30 to loop arm 3, the weight of bearing block 300 and loop 4, for mitigating the burden of pin joint seat 11 and pivot pin 30, prolonging its service life has very It is big to help.

Referring to FIG. 1, FIG. 2 and FIG. 3, bearing block 300 includes bearing block ontology 32, upper press cover 31, lower cover 34 and bearing group Part 33.Wherein, bearing block ontology 32 is cylindrical, and the lower end of shaft 5 is rotatablely arranged at bearing block by bearing assembly 33 The inside of ontology 32, and the upper port of bearing block ontology 32 is provided with upper press cover 31 by bolt, lower port is arranged by bolt There is lower cover 34, and be equipped with waterproof grommet 311 between upper press cover 31 and bearing block ontology 32, the lower end surface of lower cover 34 is solid Dingan County is equipped with support column 6.Bearing assembly 33 specifically includes upper bearing (metal) 331, separation sleeve 332, lower bearing 333, tabletting 334 and positioning Set 335, the structure and assemble method of these components belong to the prior art, and those skilled in the art can carry out according to the prior art Implement, is not added repeats herein.

Referring to FIG. 1, FIG. 2 and FIG. 3, rack 1 includes horizontally disposed I-shaped steel bar 12.7 level of wearing plate is welded in work The side of font steel bar 12, and go back oblique weld between wearing plate 7 and I-shaped steel bar 12 and have support rod 71, it is wear-resisting to reinforce Plate 7.

Referring to FIG. 1, FIG. 2 and FIG. 3, as a kind of specific embodiment: support column 6 includes U-shaped connecting column 61 and wear-resistant block 62.Wherein, the upper end of U-shaped connecting column 61 is welded in lower cover 34, and wear-resistant block 62 is fixedly installed in U-shaped by a plurality of screws and connects Connect the lower end of column 61.As a preferred solution: wear-resistant block 62 is copper billet, and wearing plate 7 is high-carbon steel.

Referring to Fig. 7, as another specific embodiment: the lower end of support column 6 is equipped with away wheel 601, wearing plate 7 it is upper End face is equipped with and walks to take turns 601 arc-shaped guide rails 701 matched.By walk wheel 601 cooperation arc-shaped guide rails 701, by support column 6 with Slidingtype friction between wearing plate 7 and be damaged, be changed to roller friction, rubbing for support column 6 and wearing plate 7 can be substantially reduced Damage situations are wiped, the service life of components is improved.

The above is only the specific embodiments of the present invention, but the design concept of the present invention is not limited thereto, All non-essential modifications to the present invention made by this concept should belong to the row for invading scope of protection of the utility model For.

Claims (6)

1. a kind of improved level looper, including rack, loop arm, loop and cylinder, pass through in the middle part of the loop arm Pin joint seat cooperation pivot pin can be set to the rack, and the piston rod phase of one end of loop arm and the cylinder with horizontally rotating Mutually hinged, the other end is equipped with bearing block, and the loop cooperates shaft that can be vertically arranged at loop with horizontally rotating by bearing block Arm, it is characterised in that: the bottom of the bearing block is vertically-mounted a support column, and the rack level is provided with a wearing plate, The upper surface of the wearing plate and the lower end of support column are inconsistent.

2. a kind of improved level looper according to claim 1, it is characterised in that: the bearing block includes bearing Seat ontology, upper press cover, lower cover and bearing assembly, bearing block ontology is cylindrical, and the lower end of the shaft passes through bearing assembly It is rotatablely arranged at the inside of bearing block ontology, and the upper port of bearing block ontology is provided with upper press cover, lower end by bolt Mouth is provided with lower cover by bolt, and waterproof grommet, the lower end of lower cover are equipped between upper press cover and bearing block ontology Face is fixedly installed with the support column.

3. a kind of improved level looper according to claim 1 or 2, it is characterised in that: the rack includes water The I-shaped steel bar of flat setting, the wearing plate level are welded in the side of I-steel item, and wearing plate and I-steel Oblique weld is gone back between item support rod.

4. a kind of improved level looper according to claim 2, it is characterised in that: the support column includes U-shaped Connecting column and wear-resistant block, the upper end of the U-shaped connecting column are welded in the lower cover, and wear-resistant block passes through the fixed peace of a plurality of screws Lower end loaded on U-shaped connecting column.

5. a kind of improved level looper according to claim 4, it is characterised in that: the wear-resistant block is copper billet, The wearing plate is high-carbon steel.

6. a kind of improved level looper according to claim 1 or 2, it is characterised in that: under the support column End is equipped with away wheel, and the upper surface of the wearing plate is equipped with and walks to take turns the arc-shaped guide rail matched.