CN211660745U

CN211660745U - Eccentric wheel type walking beam switch and stop iron support mechanism

Info

Publication number: CN211660745U
Application number: CN201922095975.8U
Authority: CN
Inventors: 苗茂奇; 徐景亮
Original assignee: Tianjin Iron Works Co ltd
Current assignee: Tiantie hot rolled plate Co.,Ltd.
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-10-13
Anticipated expiration: 2029-11-28

Abstract

The utility model relates to an eccentric wheel formula walking beam switch and stop iron gimbal mechanism belongs to hot rolling slab band workshop coil of strip transportation system technical field, its characterized in that: eccentric wheel formula walking beam switch and stop iron gimbal mechanism includes: a proximity switch fixed on the walking beam track; a stop iron positioned above the walking beam track; the bracket drives the blocking iron to move transversely along the track of the walking beam; the stop iron and the supporting rollers are mounted on the lower surface of the support, a thin steel pipe is fixedly connected to the upper surface of the support, the central shaft of the thin steel pipe is in the vertical direction, a thick steel pipe is sleeved outside the thin steel pipe, the inner diameter of the thick steel pipe is larger than the outer diameter of the thin steel pipe, the thick steel pipe is fixedly connected with the movable beam through a fixed steel plate, and a balance weight is mounted on the upper surface of the support. The utility model discloses make the walking beam be about arranging at action in-process switch and stop iron, even the walking beam produces in the action and rocks the distance relatively fixed that also can guarantee proximity switch and stop iron, and then guaranteed the stability of signal.

Description

Eccentric wheel type walking beam switch and stop iron support mechanism

Technical Field

The utility model belongs to the technical field of hot rolling strip workshop coil of strip conveying system, concretely relates to eccentric wheeled walking beam switch and stop iron gimbal mechanism.

Background

The steel coil transportation system is an important component of a hot-rolled strip workshop, and the transportation rhythm directly influences the production rhythm of a rolling line. In the actual production process, the rhythm of steel coil transportation can be caused by signal failure of any one transportation device, and the like, so that the production rhythm of a rolling line is influenced. The transportation system comprises an eccentric wheel type walking beam. The transverse movement of the lifter of the walking beam is driven by a hydraulic cylinder, the walking beam moves back to lift the steel coil in the coil conveying process, the steel coil is conveyed forwards to a coil position by advancing, the steel coil is put down by descending, and the steel coil is retreated to the middle position to wait. In order to ensure the safety of the walking beam and the stability of the step pitch in the action process, the walking beam movable beam must ensure that the movable beam is in the rear limit position during the ascending action, namely, the rear limit approach switch signal is stable during the ascending action, and must ensure that the movable beam is in the front limit position during the descending action, namely, the front limit approach switch signal is stable during the descending action. The approach switch bracket of the walking beam is initially designed beside the walking beam movable beam, the stop iron is fixed on the movable beam, and the approach switch and the stop iron are arranged left and right. The hidden troubles of the driving mode are as follows: in the ascending (or descending) action process of the walking beam, the walking beam frequently shakes to change the distance between the stop iron and the rear limit (or front limit) proximity switch, so that the proximity switch loses the instability of signals, and the transportation rhythm of the steel coil is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the technical problem that exists among the well-known technology and provide an eccentric wheeled walking beam switch and stop iron gimbal mechanism, be applicable to eccentric wheeled walking beam (hereinafter for short walking beam) among the hot rolling slab band workshop coil of strip conveying system, replace original proximity switch and stop iron mechanism for guarantee the stability of walking beam transportation in-process signal. The switch and the stop iron are arranged up and down in the action process of the walking beam, and the distance between the proximity switch and the stop iron can be relatively fixed even if the walking beam shakes in the action process, so that the stability of signals is ensured.

The utility model aims at providing an eccentric wheel type walking beam switch and a stop iron bracket mechanism, which is suitable for a steel coil transportation system in a hot rolling strip workshop; the eccentric wheel type walking beam comprises a walking beam track (1), a walking beam roller (2) and a movable beam (3), wherein the walking beam roller (2) and the movable beam (3) are positioned above the walking beam track (1); eccentric wheel formula walking beam switch and stop iron supporting mechanism includes:

a proximity switch (11) fixed to the walking beam rail (1);

a stop iron (5) positioned above the walking beam track (1);

the bracket drives the blocking iron (5) to move transversely along the walking beam track (1); wherein:

the utility model discloses a steel plate support, including shelves iron (5) and supporting roller (6), the lower surface of support is installed in the lower surface of support, the last fixed surface of support is connected with thin steel pipe (7), the center pin of thin steel pipe (7) is vertical direction thin steel pipe (7) outer cup joint has thick steel pipe (8), the internal diameter of thick steel pipe (8) is greater than the external diameter of thin steel pipe (7), thick steel pipe (8) are through fixed steel sheet (4) and walking beam (3) fixed connection the last surface mounting of support has counter weight (10).

Further: the proximity switch (11) comprises a front proximity switch (11-1), a middle proximity switch (11-2) and a rear proximity switch (11-3).

Further: the number of the thin steel pipes (7) and the number of the thick steel pipes (8) are two.

Further: the proximity switch (11) is fixed on the walking beam track (1) through a fixing frame (9).

Further: the fixing frame (9) is an angle iron.

Further: the lower end face of the thin steel pipe (7) is welded on the upper surface of the support.

Further: the fixed steel plate (4) is respectively welded with the thick steel pipe (8) and the movable beam (3).

The utility model has the advantages and positive effects that:

through adopting the technical scheme, the utility model discloses at the in-process that uses, when the walking beam up-and-down motion, the support of fixed shelves iron compresses tightly supporting roller on the walking beam track all the time under the effort of counter weight for the perpendicular distance between shelves iron and the walking beam track is unchangeable, has guaranteed the accuracy that proximity switch detected. The utility model discloses a support is connected to two thin steel pipes, and then rotates between preventing, has further improved the reliability that detects.

Drawings

FIG. 1 is a front view of a preferred embodiment of the present invention;

fig. 2 is a right side view of the preferred embodiment of the present invention;

wherein: 1. a walking beam track; 2. a walking beam roller; 3. a movable beam; 4. fixing a steel plate; 5. blocking iron; 6. supporting the rollers; 7. a thin steel pipe; 8. a coarse steel pipe; 9. a fixed mount; 10. balancing weight; 11. a proximity switch; 11-1, a front proximity switch; 11-2, a middle proximity switch; 11-3 and a rear proximity switch.

Detailed Description

For further understanding of the contents, features and functions of the present invention, the following embodiments will be exemplified in conjunction with the accompanying drawings as follows:

as shown in fig. 1 to fig. 2, the technical solution of the present invention is:

according to the experience in the actual production, the reason that causes the walking beam to drop the signal is that the walking beam is in the action process, because external reason causes the body to rock, rocks the unstable that the in-process buting iron and switch apart from changing and having leaded to the signal.

An eccentric wheel type walking beam switch and a stop iron bracket mechanism is suitable for a steel coil transportation system in a hot rolling strip workshop; the eccentric wheel type walking beam comprises a walking beam track 1, a walking beam roller 2 and a movable beam 3, wherein the walking beam roller 2 and the movable beam 3 are positioned above the walking beam track 1; eccentric wheel formula walking beam switch and stop iron supporting mechanism includes:

a proximity switch 11 fixed to the walking beam rail 1;

a stop iron 5 positioned above the walking beam track 1;

the bracket drives the blocking iron 5 to move transversely along the walking beam track 1; wherein:

the utility model discloses a support, including a support, a shelves iron 5, supporting rollers 6, thin steel pipe 7, thick steel pipe 8, the internal diameter of thick steel pipe 8 is greater than the external diameter of thin steel pipe 7, shelves iron 5 and supporting rollers 6 are installed in the lower surface of support, the last fixed surface of support is connected with thin steel pipe 7, the center pin of thin steel pipe 7 is vertical direction, and the center pin of thin steel pipe 7 is the upper surface of support the thick steel pipe 7 has cup jointed thick steel pipe 8 outward the upper surface of support has counter weight 10 through fixed steel plate 4 and walking beam 3 fixed connection. The proximity switch 11 includes a front proximity switch 11-1, a middle proximity switch 11-2, and a rear proximity switch 11-3.

In the preferred embodiment described above: the fixing frame of the proximity switch is made of angle iron and fixed beside the track of the walking beam, and the proximity switch induction head is installed upwards. The proximity switch stop iron is fixed downwards on stop iron gimbal mechanism, and the support contacts with the walking beam track through a movable supporting roller, and two thin iron pipes of stop iron support upper surface side by side welding, two thick iron pipes of thin iron pipe overcoat, thick iron pipe are through fixed steel sheet and walking beam welded fastening, have welded the counter weight on stop iron gimbal mechanism for the stability of guaranteeing to keep off gimbal mechanism operation on the track. Therefore, when the movable beam moves transversely, the movable beam and the thick pipe act synchronously, and the thick pipe drives the thin pipe and the whole support structure to move on the walking beam rail through the movable supporting roller. When the movable beam ascends (or descends) at the rear (or front) limit, the movable beam drives the thick iron pipe to ascend (or descend) with the fixed steel plate, the thin iron pipe at the lower half part of the support mechanism, the balance weight, the stop iron and the like are placed on the track of the walking beam through the idler wheels to be relatively immobile, the switch and the stop iron are arranged in an up-and-down manner, even if the walking beam shakes the stop iron, the distance between the stop iron and the switch is relatively stable, and therefore the stability of the signals of the proximity switch at the front and rear limits of the walking beam in the process of ascending.

The working principle is as follows: in the use process, when the walking beam rises or descends, the support for fixing the stop iron always compresses the supporting roller on the track of the walking beam under the acting force of the balance weight, so that the vertical distance between the stop iron and the track of the walking beam is not changed, the distance between the proximity switch and the stop iron is ensured, and the detection accuracy is ensured. The utility model discloses a support is connected to two thin steel pipes, and then rotates between preventing, has further improved the reliability that detects.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all the modifications and equivalents of the technical spirit of the present invention to any simple modifications of the above embodiments are within the scope of the technical solution of the present invention.

Claims

1. An eccentric wheel type walking beam switch and a stop iron bracket mechanism is suitable for a steel coil transportation system in a hot rolling strip workshop; the eccentric wheel type walking beam comprises a walking beam track (1), a walking beam roller (2) and a movable beam (3), wherein the walking beam roller (2) and the movable beam (3) are positioned above the walking beam track (1); the method is characterized in that: eccentric wheel formula walking beam switch and stop iron supporting mechanism includes:

a proximity switch (11) fixed to the walking beam rail (1);

a stop iron (5) positioned above the walking beam track (1);

2. The eccentric wheel type walking beam switch and stop iron bracket mechanism according to claim 1, wherein: the proximity switch (11) comprises a front proximity switch (11-1), a middle proximity switch (11-2) and a rear proximity switch (11-3).

3. The eccentric wheel type walking beam switch and stop iron bracket mechanism according to claim 1 or 2, wherein: the number of the thin steel pipes (7) and the number of the thick steel pipes (8) are two.

4. The eccentric wheel type walking beam switch and stop iron bracket mechanism according to claim 1, wherein: the proximity switch (11) is fixed on the walking beam track (1) through a fixing frame (9).

5. The eccentric wheel type walking beam switch and stop iron bracket mechanism according to claim 4, wherein: the fixing frame (9) is an angle iron.

6. The eccentric wheel type walking beam switch and stop iron bracket mechanism according to claim 4, wherein: the lower end face of the thin steel pipe (7) is welded on the upper surface of the support.

7. The eccentric wheel type walking beam switch and stop iron bracket mechanism according to claim 4, wherein: the fixed steel plate (4) is respectively welded with the thick steel pipe (8) and the movable beam (3).