CN113231496B - Forklift front fork straightening auxiliary overturning device and method - Google Patents
Forklift front fork straightening auxiliary overturning device and method Download PDFInfo
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- CN113231496B CN113231496B CN202110574126.XA CN202110574126A CN113231496B CN 113231496 B CN113231496 B CN 113231496B CN 202110574126 A CN202110574126 A CN 202110574126A CN 113231496 B CN113231496 B CN 113231496B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/16—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts of specific articles made from metal rods, tubes, or profiles, e.g. crankshafts, by specially adapted methods or means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
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- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention belongs to the technical field of forklift production, and particularly relates to a forklift front fork straightening auxiliary turnover device and a forklift front fork straightening auxiliary turnover method, wherein the forklift front fork straightening auxiliary turnover device is arranged on a base (1) of a press machine and comprises an inclined pushing device (2) and a plurality of side pushing devices, an inclined mounting hole (11) which is obliquely extended in the height direction of the base (1) is formed in the upper surface of the base (1), and the inclined pushing device (2) is arranged in the inclined mounting hole (11); the side pushing devices are arranged above the base (1) and are positioned at two ends of the base (1) in the width direction; the invention has the advantages and positive effects that: (1) The auxiliary turnover device for straightening the front fork of the forklift is used for turning over the semi-finished product of the front fork of the forklift on the upper surface of the base of the press machine, so that the operation is convenient, simple and feasible, and the working strength of operators is reduced; (2) The semi-finished product of the front fork of the forklift can be controlled under the pressing plate in the straightening process, and the straightening effect is improved.
Description
Technical Field
The invention belongs to the technical field of forklift production, and particularly relates to a forklift front fork straightening auxiliary overturning device and method.
Background
The front fork of the forklift is an L-shaped steel component which is arranged on the forklift or a lifting engineering vehicle and used for supporting various heavy objects. At present, the main method for producing the pallet fork blank in China is to forge the blank after heating the billet, straightening is needed after forging the semi-finished product of the front fork of the forklift, and a press machine is mostly used for straightening in the prior art. The straightening process of the hot forged fork truck front fork semi-finished product by using the press machine has the following problems: the semi-finished product of the front fork of the forklift needs to be turned over for 90 degrees in the straightening process, the semi-finished product of the front fork of the forklift after hot forging is higher in temperature and is located on the upper surface of a base of the oil press, operators cannot turn over the semi-finished product conveniently, and the labor intensity of the operators is increased.
Disclosure of Invention
The invention provides a forklift front fork straightening auxiliary overturning device and method, aiming at the problem that the forklift front fork semi-finished product is difficult to overturn in the process of straightening the forklift front fork semi-finished product by using a press machine.
In order to achieve the purpose, the invention adopts the technical scheme that: a forklift front fork straightening auxiliary turnover device is mounted on a base of a press machine and comprises an inclined pushing device and a plurality of side pushing devices, wherein the upper surface of the base of the press machine is used for placing a to-be-straightened forklift front fork semi-finished workpiece, an inclined mounting hole which extends obliquely in the height direction of the base is formed in the upper surface of the base, and an oil cylinder and a pressing plate of the press machine are arranged above an orifice of the inclined mounting hole; the horizontal projection of the central line of the oblique mounting hole is parallel to the width direction of the pressing plate; the inclined pushing device is installed in the inclined installation hole, and the movable end of the inclined pushing device can extend out of the hole opening of the inclined installation hole in an inclined mode and can retract into the inclined installation hole; and the side pushing devices are arranged at two ends of the upper part of the base, which are parallel to the width direction of the pressing plate.
Preferably, the plurality of side pushing devices comprise a first side pushing device and a second side pushing device, the first side pushing device is positioned in the center of the base in the length direction, the center line of the first side pushing device is parallel to the width direction of the base, and the movable end of the first side pushing device points to the lower part of the pressing plate; the second side pushing device and the first side pushing device are symmetrical relative to the width center line of the upper surface of the base.
Preferably, the plurality of side pushing devices further comprise a third side pushing device, the third side pushing device is horizontally arranged right above the second side pushing device, and the movable end of the third side pushing device also points to the lower part of the pressing plate.
Preferably, the inclined mounting holes are through holes penetrating through the upper surface and the lower surface of the base, the number of the through holes is two, and a central point connecting line of the upper orifices of the two inclined mounting holes is parallel to the length direction of the base.
Preferably, a connecting line of central points of the upper orifices of the two oblique mounting holes has a certain distance from a central line of the upper surface of the base, which is parallel to the length direction, and the upper orifices of the two oblique mounting holes are positioned on one side of the upper surface of the base, which is close to the side pushing device in the width direction; and the lower hole opening of the oblique mounting hole is positioned on one side, close to the first side pushing device, of the width direction of the lower surface of the base, and the distance from the central point of the lower hole opening of the oblique mounting hole to the central line, parallel to the length direction, of the lower surface of the base is greater than the distance from the central point of the hole opening above the oblique mounting hole to the central line, parallel to the length direction, of the upper surface of the base.
Preferably, the side pushing device and the inclined pushing device are cylinders, hydraulic cylinders or electric telescopic rods.
Preferably, a push plate is installed at the movable end of the side pushing device, and the length direction of the push plate is parallel to the length direction of the base.
Preferably, the pressing plate is installed at the lower end of the piston rod of the oil cylinder, and the length direction of the pressing plate is parallel to the length direction of the base.
The auxiliary turning method for straightening the front fork of the forklift based on the auxiliary turning device for straightening the front fork of the forklift comprises the following steps of:
placing a forged forklift front fork semi-finished product on the upper surface of a base of a press machine, starting a first side pushing device and a second side pushing device, extending the movable ends of the first side pushing device and the second side pushing device, pushing the forklift front fork semi-finished product to be under a pressing plate, enabling the length direction of the forklift front fork semi-finished product to be parallel to the length direction of the pressing plate, and then retracting the movable ends of the first side pushing device and the second side pushing device;
secondly, starting an oil cylinder of the press machine, and repeatedly stretching a piston rod of the oil cylinder to drive a pressing plate below the oil cylinder to straighten the length-multiplied width surface of the semi-finished product of the front fork of the forklift;
step three, the oil cylinder is closed, the movable end of the side pushing device II extends out, and the push plate is driven to move until the distance between the push plate and the semi-finished product of the front fork of the forklift is equal to the height of the semi-finished product of the front fork of the forklift; starting the oblique pushing device, wherein the movable end of the oblique pushing device extends out of the length multiplied by width surface below the front fork semi-finished product of the oblique pushing forklift until the length multiplied by height surface of the front fork semi-finished product of the forklift is parallel to the upper surface of the base, and the movable end of the oblique pushing device retracts; the movable end of the first side pushing device extends out of and pushes the semi-finished product of the front fork of the forklift, so that the length direction of the semi-finished product of the front fork of the forklift is parallel to the length direction of the base;
fourthly, the movable ends of the first side pushing device and the second side pushing device are retracted; starting an oil cylinder of the press machine, and repeatedly stretching a piston rod of the oil cylinder to drive a pressing plate below the oil cylinder to straighten the long-multiplied-high surface of the semi-finished product of the front fork of the forklift;
fifthly, extending the movable end of the third side pushing device out, pushing the upper end of the semi-finished product of the front fork of the forklift to enable the semi-finished product of the front fork of the forklift to turn over for 90 degrees, enabling the length multiplied by the width surface of the semi-finished product of the front fork of the forklift to be parallel to the upper surface of the base again, and retracting the movable end of the third side pushing device; and repeating the first step and the second step to finish the straightening of the semi-finished product of the front fork of the forklift.
Compared with the prior art, the invention has the advantages and positive effects that:
(1) The straightening auxiliary overturning device is used for overturning the semi-finished product of the front fork of the forklift on the upper surface of the base of the press machine, so that the operation is convenient, simple and feasible, and the working strength of operators is reduced;
(2) The front fork semi-finished product of the forklift can be controlled under the pressing plate in the straightening process, and the straightening effect is improved.
Drawings
In order to more clearly illustrate the technical scheme of the embodiment of the invention, the attached drawings used in the description of the embodiment will be briefly introduced, and fig. 1 is a schematic diagram of a first forklift front fork straightening auxiliary overturning device provided by the embodiment 1;
FIG. 2 is a second schematic view of the straightening auxiliary turnover device for the front fork of the forklift provided in the embodiment 1;
fig. 3 is a schematic view three of the auxiliary turning device for straightening the front fork of the forklift truck provided in the embodiment 1;
FIG. 4 is a schematic view of a base in the fork truck front fork straightening auxiliary turnover device;
FIG. 5 is a schematic view of a side pushing device in the auxiliary turning device for straightening the front fork of the forklift;
fig. 6 is a schematic diagram of a forged semi-finished product of the front fork of the forklift.
Description of reference numerals: 1-base, 11-oblique mounting hole;
2-oblique pushing device, 3-first side pushing device, 4-second side pushing device, 5-third side pushing device, 6-oil cylinder, 7-pressing plate;
l is the length direction, W is the width direction.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
Example 1
The invention is further described with reference to the accompanying drawings 1-6, and a forklift front fork straightening auxiliary turnover device and a method thereof are disclosed, as shown in fig. 1-3, the forklift front fork straightening auxiliary turnover device is mounted on a base 1 of a press machine, and comprises an inclined pushing device 2 and a plurality of side pushing devices, the upper surface of the base 1 of the press machine is used for placing a workpiece to be straightened, an inclined mounting hole 11 extending obliquely in the height direction of the base 1 is formed on the upper surface of the base 1, and an oil cylinder 6 and a pressure plate 7 of the press machine are arranged above an orifice of the inclined mounting hole 11; the horizontal projection of the central line of the oblique mounting hole 11 is parallel to the width W direction of the pressure plate 7.
As shown in fig. 1-3, the oblique pushing device 2 is installed in the oblique installation hole 11, and the movable end of the oblique pushing device 2 can extend out of the opening of the oblique installation hole 11 in an oblique direction and can retract into the oblique installation hole 11; a plurality of side thrusters are installed above the base 1 at both ends in parallel to the width W direction of the platen 7.
The auxiliary turnover device for straightening the front fork of the forklift comprises straightening equipment (an oil cylinder 6 and a pressing plate 7), and can straighten the front fork of the forklift on the base 1; the inclined pushing device 2 is matched with a plurality of side pushing devices (at least two side pushing devices, one at each of two ends) which are arranged at two ends of the upper part of the base 1 and are parallel to the width W direction of the pressing plate 7, so that 90-degree turnover of a semi-finished product of the front fork of the forklift can be realized, because when the inclined pushing device 2 pushes/turns the semi-finished product of the front fork of the forklift in an inclined upward direction, the side pushing devices (such as the side pushing device II 4 below) are needed to limit the semi-finished product of the front fork of the forklift in a turnover process, and the semi-finished product of the front fork of the forklift is not turned over continuously after 90-degree turnover is finished (such as the semi-finished product of the front fork is not turned over continuously after a long surface and a wide surface are turned over into a long surface and a high surface); in addition, the two ends of the base 1 need to be provided with side pushing devices, so that the position of the semi-finished product of the front fork of the forklift on the upper surface of the base 1 needs to be adjusted before straightening and overturning.
As shown in fig. 1-3, the plurality of side pushing devices comprise a first side pushing device 3 and a second side pushing device 4, the first side pushing device 3 is positioned at the center of the base 1 in the length L direction, the center line of the first side pushing device 3 is parallel to the width W direction of the base 1, and the movable end of the first side pushing device 3 points below the pressing plate 7; the second side pushing device 4 and the first side pushing device 3 are symmetrical relative to the central line of the upper surface of the base 1 parallel to the length L direction.
As shown in fig. 1-3 and 5, the plurality of side pushing devices further includes a third side pushing device 5, the third side pushing device 5 is horizontally installed right above the second side pushing device 4, and the movable end of the third side pushing device 5 also points below the pressing plate 7.
As shown in fig. 1, 3 and 4, the number of the oblique mounting holes 11 is two, and a central point connecting line of the upper orifices of the two oblique mounting holes 11 is parallel to the length L direction of the base 1.
As shown in fig. 1, a connection line of center points of the upper openings of the two oblique mounting holes 11 has a certain distance from a center line parallel to the length L direction of the upper surface of the base 1, and the upper openings of the two oblique mounting holes 11 are located on one side of the upper surface of the base 1 in the width W direction close to the first side pushing device 3.
As shown in fig. 1, the lower orifices of the two oblique mounting holes 11 are located on one side of the lower surface of the base 1 near the side pushing device one 3 in the width W direction, and the distance from the center point of the lower orifice of the oblique mounting hole 11 to the center line of the lower surface of the base 1 parallel to the length L direction is greater than the distance from the center point of the upper orifice of the oblique mounting hole 11 to the center line of the upper surface of the base 1 parallel to the length L direction.
The side pushing device is a cylinder.
As shown in fig. 1-3, a push plate is mounted at the movable end of the side pushing device, and the length L direction of the push plate is parallel to the length L direction of the base 1.
The oblique pushing device 2 is a cylinder.
As shown in figures 1-3, the pressing plate 7 is installed at the lower end of the piston rod of the oil cylinder 6, and the length L direction of the pressing plate 7 is parallel to the length L direction of the base 1.
The auxiliary turning method for straightening the front fork of the forklift based on the auxiliary turning device for straightening the front fork of the forklift comprises the following steps of:
step one, placing a forged fork truck front fork semi-finished product (shown in figure 6) on the upper surface of a base 1 of a press machine, starting a first side pushing device 3 and a second side pushing device 4, extending the movable ends of the first side pushing device 3 and the second side pushing device 4, pushing the fork truck front fork semi-finished product to be under a pressing plate 7, enabling the length direction of the fork truck front fork semi-finished product to be parallel to the length L direction of the pressing plate 7, and then retracting the movable ends of the first side pushing device 3 and the second side pushing device 4;
secondly, starting an oil cylinder 6 of the press machine, and repeatedly stretching a piston rod of the oil cylinder 6 to drive a pressing plate 7 below to straighten the length multiplied by the width surface (shown in figure 6) of the semi-finished product of the front fork of the forklift;
step three, the oil cylinder 6 is closed, the movable end of the side pushing device 4 extends out, and the push plate is driven to move until the distance between the push plate and the semi-finished product of the front fork of the forklift is equal to the height of the semi-finished product of the front fork of the forklift; starting the oblique pushing device 2, wherein the movable end of the oblique pushing device 2 extends out of the length multiplied by width surface below the semi-finished product of the front fork of the oblique pushing forklift until the length multiplied by height surface of the semi-finished product of the front fork of the forklift is parallel to the upper surface of the base 1, and the movable end of the oblique pushing device 2 retracts; the movable end of the side pushing device I3 extends out of and pushes the semi-finished product of the front fork of the forklift, so that the length direction of the semi-finished product of the front fork of the forklift is parallel to the length L direction of the base 1;
fourthly, the movable ends of the first side pushing device 3 and the second side pushing device 4 are retracted; starting an oil cylinder 6 of the press machine, and repeatedly extending and retracting a piston rod of the oil cylinder 6 to drive a pressing plate 7 below to straighten the long multiplied by high surface (shown in figure 6) of the semi-finished product of the front fork of the forklift;
extending the movable end of the third side pushing device 5, pushing the upper end of the semi-finished product of the front fork of the forklift to turn the semi-finished product of the front fork of the forklift for 90 degrees, enabling the length multiplied by the width surface of the semi-finished product of the front fork of the forklift to be parallel to the upper surface of the base 1 again, and retracting the movable end of the third side pushing device 5; and repeating the first step and the second step to finish the straightening of the semi-finished product of the front fork of the forklift.
Of course, the length × height surface of the semi-finished product of the front fork of the forklift (as shown in fig. 6) can be straightened in the second step; then, the semi-finished product of the front fork of the forklift is turned over by 90 degrees by using the side pushing device 5, and the oil cylinder 6 is started to straighten the length multiplied by the width surface of the semi-finished product of the front fork of the forklift; and then straightening the length multiplied by high surface (shown in figure 6) of the semi-finished product of the front fork of the forklift according to the third step and the fourth step, and finishing the straightening of the semi-finished product of the front fork of the forklift.
Example 2
The difference between this example and example 1 is: the side pushing device is an electric telescopic rod. The oblique pushing device 2 is an electric telescopic rod.
While the invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention.
Claims (6)
1. A fork truck front fork straightening auxiliary turnover device is characterized in that the fork truck front fork straightening auxiliary turnover device is arranged on a base (1) of a press machine and comprises an inclined pushing device (2) and a plurality of side pushing devices,
the upper surface of a base (1) of the press machine is used for placing a workpiece to be straightened, an inclined mounting hole (11) which extends obliquely in the height direction of the base (1) is formed in the upper surface of the base (1), and an oil cylinder (6) and a pressing plate (7) of the press machine are arranged above an orifice of the inclined mounting hole (11); the horizontal projection of the central line of the oblique mounting hole (11) is parallel to the width direction of the pressure plate (7);
the oblique pushing device (2) is installed in the oblique installation hole (11), and the movable end of the oblique pushing device (2) can extend out of the hole opening of the oblique installation hole (11) in an oblique direction and can retract into the oblique installation hole (11); the plurality of side pushing devices are arranged at two ends of the upper part of the base (1) which are parallel to the width direction of the pressing plate (7);
the plurality of side pushing devices comprise a first side pushing device (3) and a second side pushing device (4),
the first side pushing device (3) is positioned at the center of the length direction of the base (1), the central line of the first side pushing device (3) is parallel to the width direction of the base (1), and the movable end of the first side pushing device (3) points to the lower part of the pressing plate (7); the second side pushing device (4) and the first side pushing device (3) are symmetrical relative to the width center line of the upper surface of the base (1);
the plurality of side pushing devices further comprise a third side pushing device (5), the third side pushing device (5) is horizontally arranged right above the second side pushing device (4), and the movable end of the third side pushing device (5) also points to the lower part of the pressing plate (7);
the auxiliary turnover device for straightening the front fork of the forklift is utilized to assist in turnover the front fork of the forklift in the straightening process, and comprises the following steps:
placing a forged forklift front fork semi-finished product on the upper surface of a base (1) of a press machine, starting a first side pushing device (3) and a second side pushing device (4), extending the movable ends of the first side pushing device (3) and the second side pushing device (4), pushing the forklift front fork semi-finished product to be under a pressing plate (7), enabling the length direction of the forklift front fork semi-finished product to be parallel to the length direction of the pressing plate (7), and retracting the movable ends of the first side pushing device (3) and the second side pushing device (4);
secondly, starting an oil cylinder (6) of the press machine, and repeatedly stretching a piston rod of the oil cylinder (6) to drive a pressing plate (7) below to straighten the length-multiplied width surface of the semi-finished product of the front fork of the forklift;
step three, the oil cylinder (6) is closed, the movable end of the side pushing device II (4) extends out, and the push plate is driven to move until the distance between the push plate and the semi-finished product of the front fork of the forklift is equal to the height of the semi-finished product of the front fork of the forklift; starting the oblique pushing device (2), wherein the movable end of the oblique pushing device (2) extends out of the length multiplied by width surface below the front fork semi-finished product of the oblique pushing forklift until the length multiplied by height surface of the front fork semi-finished product of the forklift is parallel to the upper surface of the base (1), and the movable end of the oblique pushing device (2) retracts; the movable end of the first side pushing device (3) extends out of and pushes the semi-finished product of the front fork of the forklift, so that the length direction of the semi-finished product of the front fork of the forklift is parallel to the length direction of the base (1);
fourthly, retracting the movable ends of the first side pushing device (3) and the second side pushing device (4); starting an oil cylinder (6) of the press machine, and repeatedly stretching a piston rod of the oil cylinder (6) to drive a pressing plate (7) below to straighten the long and high surface of the semi-finished product of the front fork of the forklift;
fifthly, extending out the movable end of the third side pushing device (5), pushing the upper end of the semi-finished product of the front fork of the forklift to enable the semi-finished product of the front fork of the forklift to turn over for 90 degrees, enabling the length multiplied by the width surface of the semi-finished product of the front fork of the forklift to be parallel to the upper surface of the base (1) again, and retracting the movable end of the third side pushing device (5); and repeating the first step and the second step to finish the straightening of the semi-finished product of the front fork of the forklift.
2. The auxiliary turning device for straightening the front fork of the forklift as recited in claim 1, characterized in that the slant mounting holes (11) are through holes penetrating the upper and lower surfaces of the base (1) and are two in number, and the connecting line of the central points of the upper orifices of the two slant mounting holes (11) is parallel to the length direction of the base (1).
3. The auxiliary turning device for straightening the front fork of the forklift as recited in claim 2, characterized in that the connecting line of the central points of the upper orifices of the two oblique mounting holes (11) is at a certain distance from the central line of the upper surface of the base (1) parallel to the length direction, and the upper orifices of the two oblique mounting holes (11) are positioned on the side of the upper surface of the base (1) close to the first side pushing device (3) in the width direction;
two the below orifice of slant mounting hole (11) is located one side that the surface width direction is close to side thrust unit (3) under base (1), the distance that the below orifice central point of slant mounting hole (11) is on a parallel with length direction's central line to base (1) lower surface is greater than the distance that the central point of slant mounting hole (11) top orifice is on a parallel with length direction's central line to base (1) upper surface.
4. The auxiliary turning device for straightening the front fork of the forklift according to the claim 1, characterized in that the side pushing device and the oblique pushing device (2) are air cylinders, hydraulic cylinders or electric telescopic rods.
5. The auxiliary turnover device for straightening the front fork of the forklift as recited in claim 3, characterized in that the movable end of the side pushing device is provided with a push plate, and the length direction of the push plate is parallel to the length direction of the base (1).
6. The auxiliary turnover device for straightening the front fork of the forklift truck as recited in claim 5, characterized in that the pressing plate (7) is installed at the lower end of the piston rod of the oil cylinder (6), and the length direction of the pressing plate (7) is parallel to the length direction of the base (1).
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| CN202110574126.XA CN113231496B (en) | 2021-05-25 | 2021-05-25 | Forklift front fork straightening auxiliary overturning device and method |
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| JPH07124650A (en) * | 1993-09-07 | 1995-05-16 | Daido Steel Co Ltd | Method and device for straightening cast product and die therefor |
| CN102357567A (en) * | 2011-10-25 | 2012-02-22 | 太原重工股份有限公司 | Thick and flat steel turning mechanism for thick and flat steel horizontal gag straightener |
| CN203508617U (en) * | 2013-09-21 | 2014-04-02 | 吴学志 | Square billet overturning location device |
| AU2017101707A4 (en) * | 2017-12-05 | 2018-01-18 | YUAN, Xianyang MR | Guide Post of Hydraulic Straightening Platform For Shaft Parts |
| CN110216147A (en) * | 2019-06-06 | 2019-09-10 | 山东钢铁股份有限公司 | Hot rolling forklift truck transverse beam fashioned iron, which is rectified, turns round apparatus and system |
| CN212764058U (en) * | 2020-05-22 | 2021-03-23 | 江苏望沛自由石加工有限公司 | Plywood panel turnover machine is used in preparation of GRC heat preservation partition plate |
| CN111824647A (en) * | 2020-07-06 | 2020-10-27 | 山西航天清华装备有限责任公司 | Inclined plane jacking arm-pulling carriage direct-hanging roll-over stand and garbage transfer system |
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