CN218316680U

CN218316680U - Portal frame type stroke signal feedback device

Info

Publication number: CN218316680U
Application number: CN202222115264.4U
Authority: CN
Inventors: 左永军; 杨海军
Original assignee: Bengang Steel Plates Co Ltd
Current assignee: Bengang Steel Plates Co Ltd
Priority date: 2022-08-11
Filing date: 2022-08-11
Publication date: 2023-01-17
Anticipated expiration: 2032-08-11

Abstract

The utility model relates to a portal frame type stroke signal feedback device, which comprises a portal frame, a stroke switch and a blocking iron device, wherein the portal frame is arranged on a walking beam for transporting steel coils, the blocking iron device is arranged on the portal frame, and the lower part of the blocking iron device is lower than the detection surface of the stroke switch; the stop iron is fixed below the square frame by using a rigid chain, the square frame is connected with the rigid chain and fixed on a beam of the portal frame, the positions of a travel switch and the stop iron are adjusted, the surface of the stop iron is in contact with the switch, the edge of the stop iron is made into an arc-shaped surface, and the lower end of the stop iron is provided with a balance weight; the flexible rigid chain is utilized to reduce the impact force between the stop iron and the travel switch and avoid scraping the travel switch; and a counterweight is added at the lower part of the blocking iron, so that the blocking iron is close to the switch, the distance between the blocking iron and the switch is compensated, and the stability of signal detection is ensured.

Description

Portal frame type stroke signal feedback device

Technical Field

The utility model relates to a coil of strip transportation location technical field of walking beam especially relates to a portal frame formula stroke signal feedback ware.

Background

The walking beam in the prior art is divided into 3 sections, which are mutually connected, the beam body deforms under the action of high temperature (600 ℃) and heavy load (120T), and the walking beam deviates in the running process, so that the distance between the traversing proximity switch and the stop iron is changed, and the wheels travel on the track. The travel switch is fixed on the track foundation, and the stop iron is fixed on the walking beam and moves along with the walking beam. When the wheels run on the track, the wheels deflect to cause the blocking iron to swing left and right along with the action of the beam body, and when the wheels are close to the switch, the cross section of the blocking iron is far away from the switch, and when the wheels are close to the switch, the cross section of the blocking iron contacts the switch, so that the approach switch is scraped by the blocking iron, signals are not fed back, a program cannot perform the next step of action, equipment is stopped, and the previous step of working procedure is blocked; the distance causes too weak or no signal feedback, the program cannot be received, the stable operation of the equipment is also influenced, and the steel coil cannot be transported away after production, so that the production is stopped.

Disclosure of Invention

The utility model provides a portal frame formula stroke signal feedback ware changes the rigid frame into flexible rigid chain structure with being connected of shelves iron and portal frame to increase the counter weight in shelves iron lower part, guarantee the stable detection of signal.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a portal frame type stroke signal feedback device comprises a portal frame, a stroke switch and a blocking iron device, wherein the portal frame is arranged on a walking beam for transporting steel coils, the blocking iron device is arranged on the portal frame, and the lower part of the blocking iron device is lower than a detection surface of the stroke switch after the blocking iron device is arranged.

The portal frame comprises a traveling mechanism, a cross beam, a rigid chain and a square frame, wherein the traveling mechanism is installed on the walking beam, the cross beam is connected with the traveling mechanism, the lower end of the cross beam is connected with the square frame through the rigid chain, and four corners of the square frame are respectively connected with a rigid chain fixed stop iron device.

The travel switch is fixed on the edge of a walking beam track for transporting the steel coil according to the traveling distance of the portal frame, and meanwhile, the detection surface of the travel switch is higher than the lower part of the stop iron.

The blocking iron device comprises blocking irons and a balance weight, the upper parts of the blocking irons are connected with the square frame through four steel chains, and the balance weight is installed on the lower parts of the blocking irons.

Compared with the prior art, the beneficial effects of the utility model are that:

1) The connecting frame of the portal frame and the stop iron in the original structure is changed into a flexible rigid chain from rigidity, so that the impact force of the stop iron and the travel switch is reduced, and the travel switch is prevented from being damaged by scraping;

2) And a counterweight is added at the lower part of the blocking iron, so that the blocking iron is close to the switch, the distance between the blocking iron and the switch is compensated, and the stability of signal detection is ensured.

Drawings

Fig. 1 is a schematic structural diagram of a gantry type travel signal feedback device.

Fig. 2 is a schematic structural diagram of the travel switch and the stop iron.

Fig. 3 is a front view of the portal frame type stroke signal feedback device of the present invention.

Fig. 4 is a side view of the gantry type stroke signal feedback device of the present invention.

Fig. 5 is a top view of the gantry type stroke signal feedback device of the present invention.

In the figure: 1. walking beam 2, portal frame 3, stop iron 4, travel switch 5, walking mechanism 6, crossbeam 7, rigid chain 8, square frame 9, counterweight

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

see fig. 1, which is a schematic structural diagram of the present invention. The utility model relates to a portal frame formula stroke signal feedback ware, including portal frame 2, travel switch 4 and shelves iron device, portal frame 2 is installed on walking beam 1 of transportation coil of strip, and the shelves iron device is installed on portal frame 2, and installation back shelves iron device lower part is less than travel switch 4's detection face.

According to the figure 2, the portal frame 2 comprises a walking mechanism 5, a cross beam 6, a rigid chain 7 and a square frame 8, the walking mechanism 5 is installed on the walking beam 1, the cross beam 6 is connected with the walking mechanism 5, the lower end of the cross beam 6 is connected with the square frame 8 through the rigid chain 7, and four corners of the square frame 8 are respectively connected with a rigid chain 7 fixing iron blocking device.

The travel switch 4 fixes the travel switch 4 at the edge of the track of the walking beam 1 for transporting the steel coil according to the traveling distance of the portal frame 2, meanwhile, the detection surface of the travel switch 4 is higher than the lower part of the stop iron 3, and the detection range of the travel switch 4 is selected to be 10mm-12mm.

Referring to fig. 3 to 5, the blocking iron device comprises a blocking iron 3 and a balance weight 9, the upper part of the blocking iron 3 is connected with a square frame 8 through four rigid chains 7, the balance weight 9 is installed on the lower part of the blocking iron 3, the edge of the blocking iron 3 is made into an arc-shaped surface, the blocking iron 3 is vertically inclined 10 degrees to 15 degrees towards the direction of the travel switch 4, and the position between the travel switch 4 and the blocking iron 3 is adjusted to enable the surface of the blocking iron 3 to be in contact with the travel switch 4.

The following examples are carried out on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the following examples. The methods used in the following examples are conventional methods unless otherwise specified.

[ examples ] A

As shown in fig. 1, the gantry 2 is installed on the walking beam 1 for transporting the steel coil, the iron blocking device is installed on the gantry 2, the travel switch 4 is fixed on the edge of the track of the walking beam 1 for transporting the steel coil, and meanwhile, the detection surface of the travel switch 4 is higher than the lower part of the iron blocking device.

As shown in fig. 3 to 5, the stop iron is fixed below a square frame 8 by a rigid chain 7, the square frame 8 is connected with the rigid chain 7 and fixed on a cross beam 6 of a portal frame 2, a counterweight 9 is installed at the lower part of the stop iron 3, the positions of a travel switch 4 and the stop iron 3 are adjusted, the surface of the stop iron 3 is in contact with the travel switch 4, the relative position is-5 mm, the edge of the stop iron 3 is made into an arc-shaped surface, the stop iron 3 is inclined 10 degrees to 15 degrees in the direction of the travel switch 4 in the vertical direction, and the selective detection range of the travel switch 4 is 10mm to 12mm; in the longitudinal running process of the walking beam 1, when the transverse distance between the travel switch 4 and the stop iron 3 is reduced, the arc-shaped surface of the edge of the stop iron 3 cannot scratch the travel switch 4, the travel switch 4 extrudes the stop iron 3, the stop iron 3 moves backwards, the travel switch 4 is protected, and signals are fed back normally; when the distance between the travel switch 4 and the stop iron 3 is long, the counterweight 9 is arranged at the lower end of the stop iron 3, so that the stop iron 3 leans against the travel switch 4, the distance between the stop iron and the travel switch 4 is compensated, and the stability of signal detection is ensured.

Claims

1. The portal frame type stroke signal feedback device is characterized by comprising a portal frame, a stroke switch and a blocking iron device, wherein the portal frame is arranged on a walking beam for transporting steel coils, the blocking iron device is arranged on the portal frame, and the lower part of the blocking iron device is lower than a detection surface of the stroke switch after installation.

2. The gantry type stroke signal feedback device of claim 1, wherein the gantry comprises a traveling mechanism, a beam, a rigid chain and a square frame, the traveling mechanism is mounted on the walking beam, the beam is connected with the traveling mechanism, the lower end of the beam is connected with the square frame through the rigid chain, and four corners of the square frame are respectively connected with a rigid chain fixed stop iron device.

3. The gantry type stroke signal feedback device as claimed in claim 1, wherein the stroke switch is fixed at the edge of the track of the walking beam for transporting the steel coil according to the distance traveled by the gantry, and the detection surface of the stroke switch is higher than the lower portion of the stop iron.

4. The gantry type stroke signal feedback device according to claim 1, wherein the blocking iron device comprises blocking irons and a balance weight, the upper parts of the blocking irons are connected with the square frame through four rigid chains, and the balance weight is installed at the lower parts of the blocking irons.