JP2023005019A - Laid iron plate correction device - Google Patents

Abstract

To provide a laid iron plate correction device having a constitution capable of automating correction work of the laid iron plate.SOLUTION: There is provided a laid iron plate correction device having a constitution capable of adjusting a position, a direction and a pushing amount of a pair of hydraulic jacks 9a, 9b according to a deformed shape of a laid iron plate 100, and a position, a direction and an interval of a pair of anvils 10a, 10b on the lower surface side of the laid iron plate 100 receiving pressing force of pressure rods 19a, 19b of the pair of hydraulic jacks 9a, 9b.SELECTED DRAWING: Figure 4

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a steel plate straightening device for correcting deformation such as bending or warping of a steel plate laid on a road surface during civil engineering work or the like.

2. Description of the Related Art A laying iron plate laid on a road surface in civil engineering work or the like is deformed such as bending or warping when a heavy object is placed on it.

For this reason, when reusing in the next construction, it is necessary to correct the deformed portion.

Japanese Laid-Open Patent Publication No. 2002-200001 discloses a steel plate straightening device that includes a pressing device that sandwiches and corrects a deformed portion of the steel plate from above and below.

The iron plate straightening device is provided with a hydraulic jack that extends and contracts in the vertical direction by a vertical drive mechanism so as to be movable in a direction transverse to the longitudinal direction of the iron plate. By changing the position of the jack and the amount of pushing, the deformed portion of the iron plate is corrected.

When the hydraulic jack is used to press the deformed portion of the iron plate, an anvil is inserted into the lower surface of the iron plate to support the lower surface of the iron plate.

Japanese Utility Model Laid-Open No. 64-10320

In order to correct the deformed portion of the iron plate by the iron plate straightening device, the position and pushing amount of the hydraulic jack are changed according to the position and amount of deformation of the deformed portion of the iron plate, and the hydraulic jack is installed on the lower surface of the iron plate. It is necessary to adjust the position of each anvil.

However, in the conventional iron plate straightening device, even if the position and the pushing amount of the hydraulic jack are configured to be mechanically operable, the anvil installed on the lower surface of the iron plate is manually operated by a worker based on experience. Based on this, it is inserted into the bottom surface of the iron plate.

For this reason, in the configuration of the conventional laying iron plate straightening device, it was not possible to mechanically move the position of the anvil to be inserted into the lower surface of the laying iron plate.

SUMMARY OF THE INVENTION Accordingly, the present invention aims to make it possible to automate the iron plate straightening work by providing an iron plate straightening device configured to appropriately change the position and amount of pushing of the hydraulic jack as well as the position of the anvil. It is.

The steel laying plate correcting device according to the present invention comprises a pressing device that sandwiches and corrects the deformed portion of the steel laying plate from above and below, and a conveying device that carries the steel laying plate into the pressing device and unloads the steel laying plate corrected by the pressing device from the press device. The press device includes a hydraulic jack positioned on the upper surface side of the steel laying plate to apply a pressing force to the steel laying plate, and an anvil that receives the lower surface of the steel laying plate when pressed by the hydraulic jack. The hydraulic jack is movable in a direction intersecting the conveying direction of the iron laying plate, and the anvil is movable in the direction intersecting with the conveying direction of the iron laying plate.

The hydraulic jack may be composed of a pair of hydraulic jacks, and may be rotatable about a vertical axis between the pair of hydraulic jacks.

Furthermore, the pair of hydraulic jacks may be configured to be movable toward and away from each other.

The anvils may be composed of a pair of anvils, configured to be able to contact and separate from each other, and to be rotatable about a vertical axis between the pair of anvils.

A flatness measuring device is provided for detecting a deformed part of the steel plate before being carried into the press device, and based on the deformed shape of the steel plate detected by the flatness measuring device, the conveyor, the press device, and the pair of anvils can be provided with a correction control unit that controls the operation of

According to the steel laying plate straightening device according to the present invention, the position and the pushing amount of the hydraulic jack can be changed according to the deformed shape of the steel laying plate, and the lower surface of the steel laying plate receives the pressing force of the pressing rod of the hydraulic jack. By mechanically actuating the position of the side anvils, a proper straightening operation is possible.

The hydraulic jacks are composed of a pair of hydraulic jacks, which are rotatable with a vertical shaft between the pair of hydraulic jacks as a pivot axis, and are configured to be mutually contactable and detachable. The interval can be appropriately adjusted according to the deformed shape of the iron plate.

The anvil is composed of a pair of anvils, which can be moved toward and away from each other, and can be rotated about the vertical axis between the pair of anvils, so that the position, direction, and spacing of the anvils can be adjusted. It can be appropriately adjusted according to the deformed shape of the iron plate.

A flatness measuring device is provided to detect the deformed part of the steel plate before it is carried into the press device, and based on the deformed shape of the steel plate detected by the flatness measuring device, the conveyor, the press device, and the pair of anvils. By providing a straightening control unit that controls the operation, it becomes possible to automate the iron plate straightening.

BRIEF DESCRIPTION OF THE DRAWINGS It is a side view which shows the whole structure of the iron plate straightening apparatus which concerns on this invention. 1 is an enlarged partial plan view of a laying iron plate straightening device according to the present invention; FIG. It is a side view of the conveyance conveyor of the iron plate straightening apparatus which concerns on this invention. 1 is a front view of a pressing device of a laying iron plate straightening device according to the present invention; FIG. 5 is an enlarged cross-sectional view taken along line AA of FIG. 4; FIG. 5 is an enlarged cross-sectional view taken along line BB of FIG. 4; FIG. FIG. 5 is a partial front view showing an operation example of a hydraulic jack in the iron plate straightening device according to the present invention; 7B is a plan view of FIG. 7A; FIG. FIG. 11 is a partial front view showing another operation example of the hydraulic jack in the iron plate straightening device according to the present invention; 8B is a plan view of FIG. 8A; FIG. FIG. 11 is a partial front view showing another operation example of the hydraulic jack in the iron plate straightening device according to the present invention; 9B is a plan view of FIG. 9A; FIG. FIG. 5 is a partial front view showing an example of the operation of the anvil in the iron plate straightening device according to the present invention; 10B is a plan view of FIG. 10A; FIG. FIG. 11 is a partial front view showing another operation example of the anvil in the iron plate straightening device according to the present invention; FIG. 11B is a plan view of FIG. 11A; FIG. 11 is a partial front view showing another operation example of the anvil in the iron plate straightening device according to the present invention; 12B is a plan view of FIG. 12A; FIG. FIG. 5 is a partial front view showing an example of adjusting the width of the anvil in the iron plate straightening device according to the present invention; 13B is a plan view of FIG. 13A; FIG. FIG. 13B is a plan view showing an example in which the anvil is turned by 45° from the state shown in FIG. 13B; FIG. 11 is a partial front view showing another example of adjusting the width of the anvil in the iron plate straightening device according to the present invention; 15B is a plan view of FIG. 15A; FIG. FIG. 15C is a plan view showing an example in which the anvil is turned 90° from the state shown in FIG. 15B; FIG. 11 is a partial front view showing another example of adjusting the width of the anvil in the iron plate straightening device according to the present invention; 17B is a plan view of FIG. 17A; FIG. FIG. 17B is a plan view showing an example in which the anvil is turned by 45° from the state shown in FIG. 17B; FIG. 3 is a plan view showing an example of use of a flatness measuring instrument in the iron laying plate straightening device according to the present invention; FIG. 4 is a side view showing another installation example of the flatness measuring device in the iron laying plate straightening device according to the present invention; It is a front view which shows the relationship between the deformation|transformation of a laying iron plate, and the correction|amendment operation|movement of the laying iron plate correcting apparatus which concerns on this invention. It is a front view which shows the example of arrangement|positioning of the press apparatus of the iron plate straightening apparatus based on this invention according to the modification of the iron plate. FIG. 11 is a partial front view showing an arrangement example of the press device of the iron plate straightening device according to the present invention according to another modification of the iron plate. It is a figure which shows the work flow of the operation|movement which correct|amends the deformation|transformation of a laying iron plate by the laying iron plate correcting apparatus which concerns on this invention. FIG. 3 is a functional block diagram for controlling the operation of the iron laying plate straightening device according to the present invention;

Hereinafter, an embodiment of a laying iron plate straightening device 1 according to the present invention will be described with reference to the drawings.

FIG. 1 is a side view showing the overall configuration of an iron laying plate straightening device 1 according to an embodiment of the present invention, and FIG. 2 is a partial plan view of the iron laying plate straightening device 1 according to an embodiment of the present invention.

As shown in FIGS. 1 and 2, the steel laying plate correction device 1 according to this embodiment sandwiches the deformed portion A of the steel laying plate 100 from above and below between two conveyers 2a and 2b that convey the steel laying plate 100. It is a configuration in which a press device 3 for correcting is arranged.

The transport conveyors 2a and 2b and the press device 3 are controlled by a straightening control unit 50 shown in FIG. It is done according to the program.

The transport conveyors 2a and 2b are provided on the upstream and downstream sides of the press device 3, respectively. The upstream and downstream conveying conveyors 2a and 2b have a common configuration, and convey the laying iron plate 100 in the direction along the longitudinal direction.

As shown in FIG. 3, auxiliary rollers 4 are installed on the transport conveyors 2a and 2b at the ends opposite to the press device 3. As shown in FIG.

The conveying conveyors 2a and 2b are provided with a conveying frame 5 and a plurality of conveying rollers 6, and when the conveying rollers 6 are driven, the steel laying plates 100 placed thereon are conveyed.

A motor 7 is installed on the transport frame 5 as driving means for the transport rollers 6 . The motor 7 and all the conveying rollers 6 are connected by a chain 8, the rotation of the motor 7 is transmitted to the conveying rollers 6, and all the conveying rollers 6 operate in the same manner.

As shown in FIGS. 4 to 6, the press device 3 is positioned on the upper surface side of the steel laying plate 100 conveyed between the conveying conveyors 2a and 2b, and is provided with a pair of hydraulic jacks 9a for applying a pressing force to the steel laying plate 100. , 9b, and a pair of anvils 10a, 10b that receive the lower surface of the iron plate 100 when pressed by the pair of hydraulic jacks 9a, 9b.

A pair of hydraulic jacks 9a and 9b are installed on a frame form frame 11 through which the laying iron plate 100 can pass.

The frame form frame 11 includes four support columns 12 erected on both sides in the width direction of the iron plate 100 conveyed between the conveyors 2a and 2b, and two parallel beam members provided at the upper ends of the support columns 12. 13.

The two parallel beam members 13 of the frame type frame 11 are provided with a traveling carriage 14 for moving a pair of hydraulic jacks 9a and 9b from one end to the other end of the beam member 13 in a direction crossing the laying iron plate 100, and a traveling carriage 14. , and the traveling carriage 14 is driven by the traveling motor 15 .

The traveling carriage 14 is provided with a turning base 18 for turning the pair of hydraulic jacks 9a and 9b around the vertical axis between the pair of hydraulic jacks 9a and 9b by a turning gear 16 and a turning motor 17. A turning position detector 42 detects the turning positions of the hydraulic jacks 9a and 9b.

The pair of hydraulic jacks 9a and 9b are driven by the traveling carriage 14 and the swing base 18 to position the beam member 13 at an arbitrary position from one end to the other end, that is, the iron plate 100, as shown in FIGS. The pair of hydraulic jacks 9a and 9b can be moved to any position in the transverse direction, and the direction of the pair of hydraulic jacks 9a and 9b can be turned at any angle with respect to the conveying direction of the steel laying plate 100. FIG.

For example, in FIGS. 7A and 7B, the straight line connecting the pair of hydraulic jacks 9a and 9b is rotated in the direction perpendicular to the conveying direction of the steel laying plate 100, and the pair of hydraulic jacks 9a and 9b are moved in the width direction of the steel laying plate 100. It shows a state of being positioned in the center of.

8A and 8B, the pair of hydraulic jacks 9a and 9b are rotated by 90° so that the straight line connecting the pair of hydraulic jacks 9a and 9b faces the same direction as the conveying direction of the iron plate 100. 1 shows a state in which it has been moved to one end in the width direction of the .

9A and 9B, the pair of hydraulic jacks 9a and 9b are turned so that the straight line connecting the pair of hydraulic jacks 9a and 9b forms an angle of 45° with respect to the conveying direction of the laying iron plate 100, and the pair of hydraulic jacks 9a and 9b are laid. A state in which the iron plate 100 is moved to the other end in the width direction is shown.

The hydraulic jacks 9a and 9b are provided with pressing rods 19a and 19b that expand and contract by hydraulic pressure, and can press the deformed portion A of the iron plate 100 by the pressing rods 19a and 19b.

A pair of anvils 10a and 10b that receive the lower surface of the iron plate 100 when the deformed portion A of the iron plate 100 is pressed by the pressing rods 19a and 19b of the pair of hydraulic jacks 9a and 9b can be adjusted to an arbitrary width. It consists of

A pair of anvils 10a and 10b are slidably installed on parallel slide rails 21a and 21b installed on an anvil base 20, and width adjustment is performed by anvil movement actuators 22a and 22b installed on the anvil base 20. It can be carried out.

The anvil base 20 is provided with an anvil position detector 32 for detecting the distance between the pair of anvils 10a and 10b.

The anvil base 20 is provided on a support carriage 23 via a swivel bearing 24. The anvil base 20 is swiveled about a vertical axis by an annular rack 25 and a drive pinion 26 provided on the outer periphery of the swivel bearing 24. The direction can be positioned at any angle with respect to the conveying direction of the laying iron plate 100 .

A turning position detector 27 for detecting the turning position of the anvil base 20 is installed on the support carriage 23 .

The support carriage 23 runs on two running rails 28 installed in a direction that crosses the lower surface of the steel laying plate 100 that is transported between the transport conveyors 2a and 2b, in this embodiment, in a direction perpendicular to the bottom surface of the steel plate 100. By the pinion mechanism 29 and the travel actuator 30, it can be positioned at an arbitrary position across the lower surface of the steel laying plate 100. As shown in FIG.

A running position detector 31 for detecting a running position is installed on the support carriage 23 .

The spacing between the pair of anvils 10a and 10b can be adjusted. The turning mechanism of the floor base 20 allows positioning at an arbitrary angle with respect to the conveying direction of the laying iron plate 100 .

For example, FIGS. 10A and 10B show a direction in which a pair of anvils 10a and 10b are perpendicular to two running rails 28, that is, parallel to the conveying direction of the iron plate 100 and the center of the iron plate 100 in the width direction. The state of being positioned at .

11A and 11B show the direction in which the pair of anvils 10a and 10b are orthogonal to the two running rails 28, that is, the direction orthogonal to the conveying direction of the steel laying plate 100, and the width direction of the steel laying plate 100. is positioned at one end of the

12A and 12B, the pair of anvils 10a and 10b are arranged in a direction orthogonal to the two running rails 28, that is, parallel to the conveying direction of the iron plate 100, and the other end of the iron plate 100 in the width direction. The state of being positioned at .

Next, FIGS. 13A to 18 show examples of adjusting the direction and width of the pair of anvils 10a and 10b.

For example, FIGS. 13A and 13B show a state in which the direction of the pair of anvils 10a and 10b is parallel to the conveying direction of the laying iron plate 100 and the width interval is maximized.

FIG. 14 shows a state in which the distance between the pair of anvils 10a and 10b is maximized and the direction of the pair of anvils 10a and 10b is turned 45° with respect to the conveying direction of the iron plate 100. FIG.

15A and 15B show a state in which only the anvil 10a is moved in the direction of the anvil 10b from the state of FIG. 13A so that the gap between the pair of anvils 10a and 10b is reduced to about half the maximum width. ing.

FIG. 16 shows a state in which the pair of anvils 10a and 10b are turned 90° from the state of FIG.

17A and 17B show a state in which the pair of anvils 10a and 10b are rotated so that the direction of the pair of anvils 10a and 10b is perpendicular to the width direction of the iron plate 100 with the minimum width between the anvils 10a and 10b. showing.

FIG. 18 shows a state in which the direction of the pair of anvils 10a and 10b is turned by 45° from the state in FIG. 17A.

As illustrated in FIGS. 13A to 18, the pair of anvils 10a and 10b can be widened or narrowed apart from each other, and can be arbitrarily changed in direction and position with respect to the conveying direction of the iron plate 100. can do.

Next, on the beam member 13 of the frame frame 11 straddling the steel plate 100 conveyed between the conveyors 2a and 2b, the flatness of the steel plate 100 carried into the frame 11 is measured. A flatness measuring device 33 is installed to detect the deformed portion and the amount of deformation of the iron plate 100 .

The flatness measuring instruments 33 are installed respectively on the upstream side and the downstream side in the conveying direction of the iron laying plate 100 conveyed by the conveyers 2a and 2b.

The flatness measuring device 33 can use, for example, a three-dimensional scanner, a two-dimensional/three-dimensional laser displacement meter, or a multi-point measuring sensor.

As shown in FIG. 19, the flatness of the laying iron plate 100 carried into the frame 11 can be measured even if the flatness measuring device 33 is placed at a fixed position and fixed-point wide range measurement is performed. Measurement may be performed by moving any one of the iron plates 100 .
In FIG. 19, A indicates a bent line, and B indicates a measurement range of the flatness measuring device 33. As shown in FIG.

In FIG. 20, a moving frame 34 for the flatness measuring device 33 is installed over the entire length above the conveying conveyors 2a and 2b, and the flatness measuring device 33 is movably installed on the moving frame 34 to move the conveying conveyor 2a. , and 2b in which the deformed portion and the amount of deformation are detected over the entire length of the laying iron plate 100. FIG.

Next, according to the position and amount of deformation of the deformed portion A of the iron plate 100, the correction control unit 50 stores the position and direction of the pair of hydraulic jacks 9a and 9b, the amount of pressure of the pressure rods 19a and 19b, the anvil 10a, An automatic control program is stored for automatically controlling the position, direction and spacing of 10b.

For example, as shown in FIG. 21, if the iron plate 100 has a deformed portion A that protrudes downward, a pair of hydraulic jacks 9a and 9b are arranged so as to straddle the deformed portion A, and the iron plate is deformed. The pair of anvils 10a and 10b are arranged so that one of the pair of anvils 10a and 10b hits the deformed portion A projecting to the lower surface side of the 100, and correction is performed.

Further, for example, as shown in FIG. 22, if the iron plate 100 has a deformed portion A that protrudes to the upper surface side, the pair of hydraulic jacks 9a and 9b are arranged along the upper surface of the deformed portion A. A pair of anvils 10a and 10b are arranged to straddle the deformed portion A on the lower surface side of the laying iron plate 100 for correction.

Further, for example, as shown in FIG. 23, when there is a deformed portion A such that the end portion of the laying iron plate 100 is bent upward, one of the pair of anvils 10a and 10b is brought into contact along the bending line. A pair of anvils 10a and 10b are arranged in the abutment, and the pair of hydraulic jacks 9a and 9b are arranged so as to straddle the bending line of the deformation location A, and the iron plate 100 is sandwiched between the one hydraulic jack 9a and the anvil 10a. , and the other hydraulic jack 9a presses the end of the iron plate 100 downward with the other anvil 10b as a fulcrum, thereby correcting the iron plate 100. As shown in FIG.

Next, the flow of the straightening operation of the iron plate straightening device 1 will be described with reference to FIG. 24 .

The laying iron plate 100 to be corrected having a deformed portion is placed on the upstream conveying conveyor 2a and conveyed in the direction of the press device 3 (S1). is detected in advance (S2), and the conveying conveyors 2a and 2b position the deformed portion A between the pair of hydraulic jacks 9a and 9b and the pair of anvils 10a and 10b of the press device 3. The iron plate 100 is automatically conveyed (S3).

When the steel laying plate 100 is automatically conveyed by the transport conveyor 2a, the pressing rods 19a and 19b of the pair of hydraulic jacks 9a and 9b are positioned away from the upper surface of the steel laying plate 100, and the pair of anvils 10a and 10b is also located away from the lower surface of the laying iron plate 100 .

Next, the press device 3 and the anvils 10a and 10b are automatically controlled by the automatic control program stored in the correction control section 50 to correct the deformed portion A of the iron plate 100 (S4).

The corrected laying iron plate 100 is carried out by the transport conveyor 2b (S5), and the corrected portion of the carried out laying iron plate 100 is reinspected by the flatness measuring device 33 (S6). For example, the straightened laying iron plate 100 is carried out by the carrying conveyor 2b (S7).

When the flatness of the corrected portion re-inspected by the flatness measuring device 33 exceeds the allowable accuracy and re-straightening is required, the portion requiring re-straightening is moved by the transport conveyor 2b to the pair of hydraulic jacks 9a of the press device 3. , 9b and a pair of anvils 10a, 10b, and the automatic control program stored in the straightening control unit 50 automatically controls the press device 3 and the anvils 10a, 10b to re-straighten the iron plate 100.

A learning function is incorporated in the automatic control program stored in the straightening control unit 50, and based on the data obtained by the re-straightening, it is possible to improve the accuracy of the operation patterns of the press device 3 and the anvils 10a and 10b. preferable.

The re-straightening may be omitted depending on the proficiency level of the automatic control program and the permissible accuracy of the finish of the straightening.

As described above, the iron laying plate straightening device 1 according to the present invention can change the position, direction and pressing amount of the pair of hydraulic jacks 9a and 9b according to the deformed shape of the iron laying plate 100. By changing the position, direction and spacing of the pair of anvils 10a and 10b on the bottom side of the iron plate 100 which receives the pressing force of the pressing rods 19a and 19b of the jacks 9a and 9b, it is possible to perform an appropriate straightening operation.

Although the embodiments of the present invention have been described above with reference to the drawings, the present invention is not limited to the illustrated embodiments. Various modifications and variations can be made to the illustrated embodiment within the same scope as the present invention or within an equivalent scope.

1: Iron plate straightening device 2a, 2b: Conveyor 3: Press device 4: Auxiliary roller 5: Conveyor frame 6: Conveyor roller 7: Motor 8: Chain 9a, 9b: Hydraulic jack 10a, 10b: Anvil 11: Frame mold Frame 12: Post 13: Beam member 14: Traveling carriage 15: Traveling motor 16: Turning gear 17: Turning motor 18: Turning bases 19a, 19b: Pressing rod 20: Anvil bases 21a, 21b: Slide rails 22a, 22b: Metal Floor moving actuator 23: Support carriage 24: Rotating bearing 25: Annular rack 26: Driving pinion 27: Rotating position detector 28: Traveling rail 29: Rack and pinion mechanism 30: Traveling actuator 31: Traveling position detector 32: Anvil position Detector 33: Flatness measuring device 34: Moving frame 41: Running position detector 42: Turning position detector 50: Correction control unit 100: Iron plate

Claims (5)

Equipped with a press device that sandwiches and corrects the deformed part of the iron plate from above and below, and a conveyer that carries the iron plate into the press device and carries out the iron plate corrected by the press device from the press device,
The press device includes a hydraulic jack that is positioned on the upper surface side of the iron plate and applies a pressing force to the iron plate, and an anvil that receives the lower surface of the iron plate when pressed by the hydraulic jack,
The iron plate straightening is characterized in that the hydraulic jack is movable in a direction intersecting the conveying direction of the iron laying plate, and the anvil is movable in the direction intersecting the conveying direction of the iron laying plate. Device. 2. The iron plate straightening apparatus according to claim 1, wherein said hydraulic jacks are composed of a pair of hydraulic jacks, and are rotatable about a vertical shaft between the pair of hydraulic jacks as a rotatable axis. 3. The iron plate straightening apparatus according to claim 2, wherein the pair of hydraulic jacks are configured to be movable toward and away from each other. 3. The anvils are composed of a pair of anvils, which are configured to be mutually contactable and separable, and to be rotatable about a vertical axis between the pair of anvils as a pivot axis. The laying iron plate straightening device according to any one of. A flatness measuring device is provided for detecting a deformed part of the steel plate before being carried into the press device, and based on the deformed shape of the steel plate detected by the flatness measuring device, the conveyor, the press device, and the pair of anvils The iron plate straightening device according to any one of claims 1 to 4, further comprising a straightening control section for controlling the operation of the iron plate straightening device.

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