Cross turnover machine for assembling large workpieces

Abstract

The utility model discloses a cross turnover machine for assembling a large-sized workpiece, which is characterized in that the large-sized workpiece and the turnover machine are arranged in an assembly workshop, the turnover machine comprises a cross machine frame, a power rotating device, a power rotating machine frame, a passive rotating device and a passive rotating machine frame, the power rotating device is arranged on the power rotating machine frame, and the passive rotating machine frame is arranged on the power rotating machine frame. The passive rotation device is installed on the passive rotation rack, and the left end and the right end of the cross-shaped rack are placed on the power rotation device and the passive rotation device respectively; when the large-sized workpiece is in a hoisting and assembling state, the height of the cross-shaped rack is greater than that of the large-sized workpiece; the cross-shaped rack comprises a horizontal rack, and the upper plane of the horizontal rack as high as the ground is a walking plane for assembly personnel; when a large workpiece is hoisted into the cross-shaped rack, after the cross-shaped rack is turned over by 180 degrees, the upper plane of the horizontal rack is still as high as the ground; according to the utility model, not only is the defect that large workpieces are overturned in the air by using a travelling crane in a production workshop in the traditional operation overcome, but also the assembly operation of operators on the ground is greatly facilitated, and the device is safe and convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of assembly of large equipment, and particularly relates to a cross frame turnover machine for assembly of large workpieces. BACKGROUND

[0002] At present, in the turnover of large workpieces such as longitudinal beams in a production workshop in large equipment such as "super large excavators", the turnover is realized by a travelling crane in the workshop. This turnover operation mode suspended in the air is very unsafe, and the stability of a lifting appliance is also very high, and meanwhile, the service life of the travelling crane is affected. SUMMARY

[0003] In view of the problems in the prior art, the utility model aims to provide a cross frame turnover machine for assembly of large workpieces to solve the problems mentioned in the background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a production workshop 1 of large equipment comprises a ground 1A, a pit 1B, a large workpiece 2 and a turnover machine 3 installed in the pit 1B, and the turnover machine 3 for assembly of the large workpiece 2 comprises a cross frame 4, a power rotary device 3A, a power rotary frame 3B, a passive rotary device 3C and a passive rotary frame 3D; the power rotary device 3A is installed on the power rotary frame 3B, the passive rotary device 3C is installed on the passive rotary frame 3D, and the left and right ends of the cross frame 4 are integrally connected with the power rotary device 3A and the passive rotary device 3C respectively;

[0005] The length of the cross frame 4 between the power rotary device 3A and the passive rotary device 3C is greater than the length of the large workpiece 2, the cross frame 4 comprises two T-shaped frames 4A located left and right, and the space between the two T-shaped frames 4A is a space for placing the large workpiece 2; the height of the cross frame 4 is greater than the height of the large workpiece 2 when the large workpiece 2 is in a hoisting and assembly state; the T-shaped frame 4A comprises a horizontal frame 4A1, and the upper plane of the horizontal frame 4A1 which is level with the ground 1A is a walking plane for assembly personnel;

[0006] When the large workpiece 2 is hoisted into the cross frame 4, the cross frame 4 carrying the large workpiece 2 is turned over 180 degrees by the power rotary device 3A and the passive rotary device 3C, and the upper plane of the horizontal frame 4A1 is still level with the ground 1A.

[0007] As a further scheme of the utility model, the turnover machine 3 comprises a movable bracket 5 which does not affect the rotation of the cross frame 4, and the two ends of the movable bracket 5 are installed on the left and right two T-shaped frames 4A respectively; the movable bracket 5 is located at the bottom of the cross frame 4 when the large workpiece 2 is in a hoisting state, and the movable bracket 5 supports the two ends of the large workpiece 2.

[0008] As a further scheme of the utility model: the turnover machine 3 includes movable pressing frame 6 which does not affect the rotation of the cross machine frame 4, and the movable pressing frame 6 is installed on the left and right T-shaped machine frames 4A respectively; when the large workpiece 2 is hoisted into the cross machine frame 4 and is placed on the movable bracket 5, the two ends of the large workpiece 2 are pressed by the movable pressing frame 6 to complete the positioning of the large workpiece 2 in the cross machine frame 4.

[0009] As a further scheme of the utility model: the power rotary machine frame 3B includes rotary drive 3B1, and the rotary drive 3B1 realizes the rotation of the cross machine frame 4 driven by the power rotary device 3A.

[0010] As a further scheme of the utility model: the cross machine frame 4 includes horizontal section steel 4Y, angle steel 4C and four H-shaped steels 4H, the four H-shaped steels 4H are symmetrically arranged, and the upper and lower adjacent two H-shaped steels 4H are connected into a whole through the horizontal section steel 4Y.

[0011] As a further scheme of the utility model: the large equipment includes the "super large excavator" in the engineering machinery, and the large workpiece 2 includes the longitudinal beam in the "super large excavator".

[0012] Compared with the prior art, in the utility model, the turnover of the large workpiece in the production workshop is realized through the turnover machine installed in the pit, and the upper plane of the horizontal machine frame in the turnover machine is flush with the ground through the ingenious design, so that not only the drawbacks of the large workpiece in the traditional operation in the production workshop are overcome, but also the assembly operation of the operating personnel on the ground is greatly facilitated, which is safe and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0013] Assembly workshop 1, ground 1A, pit 1B, large workpiece 2, turnover machine 3, power rotary device 3A, power rotary machine frame 3B, rotary drive 3B1, passive rotary device 3C, self-aligning bearing 3C1, passive rotary machine frame 3D, cross machine frame 4, T-shaped machine frame 4A, horizontal machine frame 4A1, angle steel 4C, H-shaped steel 4H, horizontal section steel 4Y, movable bracket 5, movable pressing frame 6.

[0014] Figure 1 It is the structure schematic view of the ground 1A, the pit 1B and the turnover machine 3 of the assembly workshop 1, the structure schematic view of the cross machine frame 4, the power rotary device 3A, the power rotary machine frame 3B, the passive rotary device 3C and the passive rotary machine frame 3D of the turnover machine 3, the structure schematic view of the rotary drive 3B1 of the power rotary machine frame 3B and the structure schematic view of the self-aligning bearing 3C1 of the passive rotary device 3C;

[0015] Figure 2 It is Figure 1 the top view of

[0016] Figure 3 is Figure 1 A-A view, is also a structural schematic view of the T-shaped frame 4A constituting the T-shaped frame 4, is also a structural schematic view of the horizontal frame 4A1 constituting the T-shaped frame 4A, and is also a structural schematic view of the H-shaped steel 4H, the transverse shaped steel 4Y and the angle steel 4C constituting the T-shaped frame 4;

[0017] Figure 4 is a structural schematic view after the large workpiece 2 is hoisted into the turnover machine 3;

[0018] Figure 5 is Figure 4 B-B view, and is also a structural schematic view of the movable bracket 5 and the movable pressing frame 6 constituting the turnover machine 3;

[0019] Figure 6 is Figure 4 C-C view. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Please refer to Figures 1-6 In the embodiments of the present application, the assembly workshop 1 of the large equipment comprises a ground 1A, a pit 1B, a large workpiece 2 and a turnover machine 3 installed in the pit 1B, the turnover machine 3 for assembling the large workpiece 2 comprises a cross frame 4, a power rotary device 3A, a power rotary frame 3B, a passive rotary device 3C and a passive rotary frame 3D; the power rotary device 3A is installed on the power rotary frame 3B, the passive rotary device 3C is installed on the passive rotary frame 3D, and the left and right ends of the cross frame 4 are fixedly connected to the power rotary device 3A and the passive rotary device 3C integrally;

[0022] The length of the cross frame 4 between the power rotary device 3A and the passive rotary device 3C is greater than the length of the large workpiece 2, the cross frame 4 comprises two T-shaped frames 4A located at left and right, and the space between the two T-shaped frames 4A is a space for placing the large workpiece 2; the height of the cross frame 4 is greater than the height of the large workpiece 2 when the large workpiece 2 is in a hoisting and assembling state; the T-shaped frame 4A comprises a horizontal frame 4A1, and the upper plane of the horizontal frame 4A1 which is level with the ground 1A is a walking plane for assembly personnel;

[0023] When the large workpiece 2 is hoisted into the cross-shaped frame 4, the cross-shaped frame 4 carrying the large workpiece 2 is turned 180 degrees by the power rotating device 3A and the passive rotating device 3C, and the upper plane of the horizontal frame 4A1 is still level with the ground 1A.

[0024] The turnover machine 3 comprises movable brackets 5 which do not affect the rotation of the cross-shaped frame 4, and the two ends of each movable bracket 5 are respectively installed on the left and right T-shaped frames 4A; when the large workpiece 2 is in a hoisted state, the movable brackets 5 are located at the bottom of the cross-shaped frame 4, and the movable brackets 5 support the two ends of the large workpiece 2.

[0025] It should be noted that different models of large equipment can have different models of movable brackets 5; in supporting the same model of large equipment, the movable brackets 5 at the two ends of the large workpiece 2 can also have different structures.

[0026] The turnover machine 3 comprises movable pressing frames 6 which do not affect the rotation of the cross-shaped frame 4, and the two ends of each movable pressing frame 6 are respectively installed on the left and right T-shaped frames 4A; when the large workpiece 2 is hoisted into the cross-shaped frame 4 and is placed on the movable brackets 5, the two ends of the large workpiece 2 are pressed by the movable pressing frames 6 to complete the positioning of the large workpiece 2 in the cross-shaped frame 4.

[0027] It should be noted that different models of large equipment can have different models of movable pressing frames 6; in supporting the same model of large equipment, the movable pressing frames 6 at the two ends of the large workpiece 2 can also have different structures.

[0028] The power rotating frame 3B comprises a rotating drive 3B1, and the rotation of the cross-shaped frame 4 driven by the power rotating device 3A is realized through the rotating drive 3B1.

[0029] It should be noted that the power rotating device 3A and the passive rotating device 3C can comprise a self-aligning bearing 3C1.

[0030] The cross-shaped frame 4 comprises a transverse profile steel 4Y, an angle steel 4C, and four H-shaped steels 4H, the four H-shaped steels 4H are symmetrically arranged, and the two H-shaped steels 4H adjacent to each other are connected into one body by the transverse profile steel 4Y.

[0031] It should be noted that the angle steel 4C can be connected into one body with the transverse profile steel 4Y.

[0032] The large equipment comprises an "ultra-large excavator" in engineering machinery, and the large workpiece 2 comprises a longitudinal beam in the "ultra-large excavator".

[0033] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "front", "back" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and is not indicate or imply the device or element indicated must have a particular orientation, construct and operate in a particular orientation, therefore cannot be understood as the limitation to the utility model, in the utility model, it also needs to explain, the term "installation", "connection" should be understood broadly, for example, can fixed connection, also can be detachable connection, or integral connection, also can be mechanical connection, also can be indirectly connected through intermediate medium, can understand the specific meaning of the term in the utility model through specific circumstances.

[0034] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, the description of the specification is only for clarity, the skilled person should consider the specification as a whole, the technical solutions in each example can also be combined appropriately to form other embodiments that the skilled person can understand.

Claims

1. A cross stand turner for assembling large workpieces, characterized in that The assembly workshop (1) of large equipment includes ground (1A), pit (1B), large workpiece (2) and turnover machine (3) installed in pit (1B), the turnover machine (3) for the assembly of large workpiece (2) includes cross frame (4), power rotary device (3A), power rotary frame (3B), passive rotary device (3C) and passive rotary frame (3D), the power rotary device (3A) is installed on the power rotary frame (3B), the passive rotary device (3C) is installed on the passive rotary frame (3D), the left and right ends of the cross frame (4) are respectively fixedly connected with the power rotary device (3A) and the passive rotary device (3C) to form an integral whole, the length of the cross frame (4) between the power rotary device (3A) and the passive rotary device (3C) is greater than the length of the large workpiece (2), the cross frame (4) includes two T-shaped frames (4A) located left and right, and the space between the two T-shaped frames (4A) is a space for placing the large workpiece (2), the height of the cross frame (4) is greater than the height of the large workpiece (2) when the large workpiece (2) is in a hoisting and assembling state, the T-shaped frame (4A) includes a horizontal frame (4A1), and the upper plane of the horizontal frame (4A1) is at the same height as the ground (1A) and serves as a walking plane for assembly personnel, when the large workpiece (2) is hoisted into the cross frame (4), the cross frame (4) carrying the large workpiece (2) is turned over by 180 degrees through the power rotary device (3A) and the passive rotary device (3C), and the upper plane of the horizontal frame (4A1) is still at the same height as the ground (1A).

2. The cross stand turnover machine for assembling large workpieces according to claim 1, characterized in that The turnover machine (3) includes a movable bracket (5) which does not affect the rotation of the cross frame (4), and the two ends of the movable bracket (5) are respectively installed on the left and right two T-shaped frames (4A), the movable bracket (5) is located at the bottom of the cross frame (4) when the large workpiece (2) is in a hoisting state, and the movable bracket (5) supports the two ends of the large workpiece (2).

3. The cross stand turnover machine for assembling large workpieces according to claim 2, characterized in that The turnover machine (3) includes a movable bracket (5) which does not affect the rotation of the cross frame (4), and the two ends of the movable bracket (5) are respectively installed on the left and right two T-shaped frames (4A), the movable bracket (5) is located at the bottom of the cross frame (4) when the large workpiece (2) is in a hoisting state, and the movable bracket (5) supports the two ends of the large workpiece (2).

4. The cross stand turnover machine for assembling large workpieces according to claim 3, characterized in that The power rotary frame (3B) includes a rotary drive (3B1), and the rotation of the power rotary device (3A) and the cross frame (4) is realized through the rotary drive (3B1).

5. The cross stand turnover machine for assembling large workpieces according to claim 1, characterized in that The cross frame (4) includes a transverse profile steel (4Y), an angle steel (4C) and four H-shaped steels (4H), the four H-shaped steels (4H) are symmetrically arranged, and the upper and lower adjacent two H-shaped steels (4H) are connected into an integral whole through the transverse profile steel (4Y).

6. A cross stand turnover machine for assembling large workpieces according to claim 4 or 5, characterized in that The large equipment includes "super large excavator" in engineering machinery, and the large workpiece (2) includes a longitudinal beam in the "super large excavator".

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