Jib tail positioning device and jib docking apparatus

Abstract

The present application relates to the production field of the cantilever, and discloses a cantilever tail positioning device and a cantilever butt joint equipment, wherein the cantilever tail positioning device comprises a first tail positioning support, a second tail positioning support, a first positioning plate and a second positioning plate; the first tail positioning support and the second tail positioning support are symmetrically arranged opposite to a positioning vertical plane; the first positioning plate and the second positioning plate are correspondingly arranged on the inner side of the first tail positioning support and the inner side of the second tail positioning support in a floating manner, so as to respectively adhere to and support two slider mounting inclined surfaces of the cantilever tail; and the first positioning plate and the second positioning plate are symmetrically arranged, and the symmetry center plane can always be consistent with the positioning vertical plane. The symmetry center plane of the two slider mounting inclined surfaces of the cantilever tail after butt joint is highly coincident with the symmetry center plane of the cantilever cylinder, so that the performance of the cantilever is effectively guaranteed to be good, and the efficiency and the accuracy of butt joint are high.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of jib production, and particularly relates to a jib tail positioning device and a jib butt joint equipment using the same. BACKGROUND

[0002] The jib mainly comprises a head, a barrel and a tail, and in the jib production process, the head, the barrel and the tail are connected through alignment and then welded.

[0003] As shown in Figs. Figure 1 and Figure 2 , the jib tail 01 has two sliding block installation inclined surfaces 011, and in the alignment and connection process of the jib tail 01 and the jib barrel 02, the symmetric center planes of the two sliding block installation inclined surfaces 011 of the jib tail 01 are required to coincide with the symmetric center plane of the jib barrel 02, and a large difference in coincidence degree will greatly affect the normal extension and lifting performance of the jib.

[0004] At present, the alignment and connection of the jib tail 01 and the jib barrel 02 is usually achieved through the manual marking and alignment method, specifically, the marking center lines representing the symmetric center planes are respectively drawn on the jib tail 01 and the jib barrel 02, the jib tail 01 and the jib barrel 02 are positioned and aligned according to the marking center lines, and when the marking center lines of the two are collinear, it is confirmed that the butt joint is completed. However, this manual marking and alignment method is complicated and inefficient, and according to the outer contour of the jib tail 01, the marking center line is drawn, which is prone to have a large error between the symmetric center plane represented by the drawn marking center line and the actual symmetric center plane of the two sliding block installation inclined surfaces 011 of the jib tail 01, resulting in low butt joint precision of the jib tail 01 and the jib barrel 02 and affecting the use performance of the jib. SUMMARY

[0005] In view of the above deficiencies or shortcomings in the prior art, the present application provides a jib tail positioning device and a jib butt joint equipment, aiming to solve the technical problems of low efficiency and low butt joint precision in the manual marking and alignment method for the butt joint of the jib tail and the jib barrel.

[0006] To achieve the above-mentioned purpose, the present application provides a jib tail positioning device, comprising:

[0007] A first tail positioning support and a second tail positioning support, the first tail positioning support and the second tail positioning support are symmetrically arranged relative to the vertical plane;

[0008] A first positioning plate and a second positioning plate are correspondingly arranged on the inner side of the first tail positioning support and the inner side of the second tail positioning support in a floating manner to be able to respectively adhere to and support the two sliding block installation inclined surfaces of the tail of the crane arm, and the first positioning plate and the second positioning plate are symmetrically arranged and the symmetric center plane can always be consistent with the positioning vertical plane.

[0009] Optionally, the tail positioning device of the crane arm further comprises:

[0010] A slide rod extending in a horizontal direction is arranged between the first tail positioning support and the second tail positioning support in a transverse manner, and the slide rod is arranged to be able to float up and down in a vertical direction relative to the first tail positioning support and the second tail positioning support.

[0011] A first sliding seat is arranged on the slide rod and is able to slide along the slide rod, the first sliding seat is located below the first positioning plate, the top end of the first positioning plate is hinged to the first tail positioning support, and the bottom end of the first positioning plate is hinged to the first sliding seat.

[0012] A second sliding seat is arranged on the slide rod and is able to slide along the slide rod, the second sliding seat is located below the second positioning plate, the top end of the second positioning plate is hinged to the second tail positioning support, and the bottom end of the second positioning plate is hinged to the second sliding seat.

[0013] Optionally, the top end and the bottom end of the first positioning plate are respectively provided with first hinge arms, and the ends of the two first hinge arms are respectively hinged to the first tail positioning support and the first sliding seat; and / or,

[0014] The top end and the bottom end of the second positioning plate are respectively provided with second hinge arms, and the ends of the two second hinge arms are respectively hinged to the second tail positioning support and the second sliding seat.

[0015] Optionally, the inner side of the first tail positioning support and the inner side of the second tail positioning support are both provided with a vertical slide rail extending in a vertical direction and a vertical sliding seat slidably arranged on the vertical slide rail, and the two ends of the slide rod are respectively arranged on the two vertical sliding seats and are both able to slide with the corresponding vertical sliding seat.

[0016] Optionally, the first tail positioning support and the second tail positioning support are arranged to be able to approach or move away from each other.

[0017] Optionally, the tail positioning device of the crane arm further comprises:

[0018] A first horizontal slide rail extends in a horizontal direction, and the first tail positioning support and the second tail positioning support are arranged on the first horizontal slide rail and are capable of sliding along the first horizontal slide rail;

[0019] A first drive screw is in threaded connection with the first tail positioning support and the second tail positioning support respectively.

[0020] A first drive motor is in transmission connection with the first drive screw.

[0021] The application further provides a boom butt joint device, which comprises a boom cylinder alignment device and the boom tail positioning device.

[0022] Optionally, the boom cylinder alignment device comprises:

[0023] A first cylinder alignment support and a second cylinder alignment support are oppositely arranged.

[0024] A support roller is transversely arranged between the first cylinder alignment support and the second cylinder alignment support.

[0025] Optionally, the first cylinder alignment support and the second cylinder alignment support are arranged to be capable of relatively approaching or moving away from each other.

[0026] Optionally, the support roller is arranged to be capable of vertically lifting and moving.

[0027] In the boom tail positioning device, the first positioning plate and the second positioning plate are arranged to be capable of respectively adhering to the two slide block installation inclined surfaces supporting the boom tail, so that the symmetrical center planes of the two slide block installation inclined surfaces of the boom tail are consistent with the symmetrical center planes of the first positioning plate and the second positioning plate, and since the symmetrical center planes of the first positioning plate and the second positioning plate are always consistent with the positioning vertical plane, the symmetrical center planes of the two slide block installation inclined surfaces of the boom tail are consistent with the positioning vertical plane, that is, the boom tail positioning device can align the boom tail so that the symmetrical center planes of the two slide block installation inclined surfaces are located on the positioning vertical plane, at this time, the symmetrical center plane of the butt joint boom cylinder is also aligned to be consistent with the positioning vertical plane, so that the boom tail and the boom cylinder can be accurately butt jointed, the symmetrical center planes of the two slide block installation inclined surfaces of the boom tail and the symmetrical center plane of the boom cylinder are highly coincident after butt jointing, the performance of the boom is effectively ensured, and the boom tail positioning device automatically aligns the boom tail without manual operation, so that the butt joint efficiency and accuracy are effectively improved.

[0028] Other features and advantages of the present application will be illustrated in detail in the following detailed description section. BRIEF DESCRIPTION OF DRAWINGS

[0029] The accompanying drawings are included to provide a further understanding of the present application, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and serve to explain the principles of the present application, and should not be taken as limiting of the present application. In the drawings:

[0030] Figure 1 is a structural schematic view of an existing boom structure;

[0031] Figure 2 is a structural schematic view of a boom tail in Figure 1

[0032] Figure 3 is a structural schematic view of a boom tail positioning device in an embodiment of the present application;

[0033] Figure 4 is a structural schematic view of a boom cylinder alignment device in an embodiment of the present application.

[0034] BRIEF DESCRIPTION OF DRAWINGS

[0035] 1 Boom tail positioning device

[0036] 11 First tail positioning support 12 Second tail positioning support

[0037] 13 First positioning plate 14 Second positioning plate

[0038] 15 Slide rod 16 First slide

[0039] 17 Second slide

[0040] 2 Boom cylinder alignment device

[0041] 21 First cylinder alignment support 22 Second cylinder alignment support

[0042] 23 Supporting roller

[0043] 01 Boom tail 011 Slide block installation inclined surface

[0044] 02 Boom cylinder DETAILED DESCRIPTION

[0045] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely intended to illustrate and explain the present application, and should not be used to limit the present application.

[0046] ​It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0047] In the present application, the orientation words such as "upper", "lower", "top", "bottom" used without the opposite description are generally used for the direction shown in the drawings or the description of the mutual position relationship of the components in the vertical, perpendicular or gravity direction.

[0048] The present application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

[0049] The present application first provides a boom tail positioning device.

[0050] In an embodiment, referring to the accompanying drawings, Figure 3 As shown in the drawings, the boom tail positioning device comprises a first tail positioning support 11, a second tail positioning support 12, a first positioning plate 13 and a second positioning plate 14, the first tail positioning support 11 and the second tail positioning support 12 are symmetrically arranged with respect to a positioning vertical plane, the first positioning plate 13 and the second positioning plate 14 are correspondingly arranged on the inner side of the first tail positioning support 11 and the inner side of the second tail positioning support 12 in a floating manner to be able to respectively fit and support two slider mounting inclined surfaces of the boom tail, and the first positioning plate 13 and the second positioning plate 14 are symmetrically arranged and the symmetry center plane can always be consistent with the positioning vertical plane.

[0051] It can be understood that in the boom tail positioning device of the present embodiment, the first positioning plate 13 and the second positioning plate 14 are arranged in a floating manner to be able to respectively fit and support the two slider mounting inclined surfaces of the boom tail, and such arrangement can make the symmetry center plane of the two slider mounting inclined surfaces of the boom tail consistent with the symmetry center plane of the first positioning plate 13 and the second positioning plate 14, and since the symmetry center plane of the first positioning plate 13 and the second positioning plate 14 can always be consistent with the positioning vertical plane, the symmetry center plane of the two slider mounting inclined surfaces of the boom tail is also consistent with the positioning vertical plane, that is, the boom tail positioning device can align the boom tail so that the symmetry center plane of the two slider mounting inclined surfaces of the boom tail is located on the positioning vertical plane, at this time, the symmetry center plane of the butt-jointed boom barrel is also aligned to be consistent with the positioning vertical plane, and the accurate butt joint of the boom tail and the boom barrel can be realized, the symmetry center plane of the two slider mounting inclined surfaces of the boom tail after butt joint is highly coincident with the symmetry center plane of the boom barrel, the performance of the boom is effectively ensured to be good, and the boom tail positioning device automatically aligns the boom tail without manual operation, which effectively improves the efficiency and accuracy of butt joint.

[0052] In an embodiment, the boom tail positioning device 1 further comprises a slide rod 15, a first slide base 16 and a second slide base 17. The slide rod 15 extends horizontally and is arranged transversely between the first tail positioning support 11 and the second tail positioning support 12. The slide rod 15 is arranged to be vertically floating relative to the first tail positioning support 11 and the second tail positioning support 12. The first slide base 16 is arranged on the slide rod 15 and is capable of sliding along the slide rod 15. The first slide base 16 is located below the first positioning plate 13. The top end of the first positioning plate 13 is hingedly connected to the first tail positioning support 11. The bottom end of the first positioning plate 13 is hingedly connected to the first slide base 16. The second slide base 17 is arranged on the slide rod 15 and is capable of sliding along the slide rod 15. The second slide base 17 is located below the second positioning plate 14. The top end of the second positioning plate 14 is hingedly connected to the second tail positioning support 12. The bottom end of the second positioning plate 14 is hingedly connected to the second slide base 17.

[0053] In this way, the first positioning plate 13 and the second positioning plate 14 are floatingly arranged and can be self-adaptively attached to the two sliding block mounting slopes of the boom tail, respectively. Since the bottom ends of the first positioning plate 13 and the second positioning plate 14 are connected to the slide rod 15, the center plane of the first positioning plate 13 and the second positioning plate 14 can always be consistent with the positioning vertical plane when the first positioning plate 13 and the second positioning plate 14 are floating.

[0054] Further, the top end and the bottom end of the first positioning plate 13 are respectively provided with first hinge arms. The ends of the two first hinge arms are respectively hingedly connected to the first tail positioning support 11 and the first slide base 16. Alternatively, the top end and the bottom end of the second positioning plate 14 are respectively provided with second hinge arms. The ends of the two second hinge arms are respectively hingedly connected to the second tail positioning support 12 and the second slide base 17.

[0055] In an embodiment, the inner side of the first tail positioning support 11 and the inner side of the second tail positioning support 12 are respectively provided with a vertical slide rail extending in the vertical direction and a vertical sliding seat slidably arranged on the vertical slide rail. The two ends of the slide rod 15 are respectively arranged on the two vertical sliding seats and are capable of sliding with the corresponding vertical sliding seat.

[0056] Specifically, the vertical sliding seat is slidably mounted on the vertical slide rail through a linear bearing.

[0057] Specifically, the vertical slide rail can be mounted on the inner side of the first tail positioning support 11 or the inner side of the second tail positioning support 12 by means of bolted connection.

[0058] In an embodiment, the first tail positioning support 11 and the second tail positioning support 12 are arranged to be relatively close or far away from each other, so that the boom tail positioning device 1 can be applied to the positioning of boom tails of different specifications, and has good practicability and applicability.

[0059] Further, the boom tail positioning device 1 further comprises a first horizontal slide rail, a first drive screw and a first drive motor, the first horizontal slide rail extends in a horizontal direction, the first tail positioning support 11 and the second tail positioning support 12 are arranged on the first horizontal slide rail and can slide along the first horizontal slide rail, the first tail positioning support 11 and the second tail positioning support 12 are respectively screwed with the first drive screw, and the first drive motor is in transmission connection with the first drive screw.

[0060] Understandably, the first tail positioning support 11 and the second tail positioning support 12 are screwed with the first drive screw in opposite directions, so that when the first drive motor drives the first drive screw to rotate, the first tail positioning support 11 and the second tail positioning support 12 can be driven to be relatively close or far away from each other, and the first horizontal slide rail plays a guiding and supporting role.

[0061] The application further provides a boom butt joint device, which comprises a boom barrel alignment device 2 and the boom tail positioning device 1 according to any one of claims 1 to 6, the boom tail positioning device 1 is used for positioning a boom tail, and the boom barrel alignment device 2 is used for aligning and connecting a boom barrel with the boom tail.

[0062] In an embodiment, referring to the accompanying drawings, Figure 4 As shown in the drawings, the boom barrel alignment device 2 comprises a first barrel alignment support 21, a second barrel alignment support 22 and a supporting roller 23, the first barrel alignment support 21 and the second barrel alignment support 22 are symmetrically arranged with respect to the aforementioned positioning vertical plane, and the supporting roller 23 is transversely arranged between the first barrel alignment support 21 and the second barrel alignment support 22, so that the boom barrel can be aligned and positioned to be consistent with the center plane of symmetry of the boom barrel and the positioning vertical plane, which facilitates quick butt joint with the boom tail that has been positioned by the boom tail positioning device 1, and the supporting roller 23 is used for supporting the boom barrel, which facilitates pushing the positioned boom barrel to contact the boom tail for butt joint.

[0063] In an embodiment, the first barrel alignment support 21 and the second barrel alignment support 22 are arranged to be relatively close or far away from each other, so that the boom barrel alignment device 2 can be applied to the alignment and positioning of boom barrels of different specifications.

[0064] Specifically, the boom cylinder alignment device 2 further comprises a second horizontal slide rail, a second driving screw and a second driving motor, the second horizontal slide rail extends along a horizontal direction, the first cylinder alignment support 21 and the second cylinder alignment support 22 are both arranged on the second horizontal slide rail and can slide along the second horizontal slide rail, the first cylinder alignment support 21 and the second cylinder alignment support 22 are respectively screwed with the second driving screw, and the second driving motor is in transmission connection with the second driving screw.

[0065] It can be understood that the first cylinder alignment support 21 and the second cylinder alignment support 22 are screwed with the second driving screw in opposite directions, so that when the second driving motor drives the second driving screw to rotate, the first cylinder alignment support 21 and the second cylinder alignment support 22 can be driven to relatively close or move away from each other, and the second horizontal slide rail plays a guiding and supporting role.

[0066] In an embodiment, the support roller 23 is arranged to be capable of moving up and down along a vertical direction, so that the height of the support roller 23 can be adjusted to adapt to the docking height of different boom cylinders and boom tail portions.

[0067] Specifically, the boom cylinder alignment device 2 can comprise a lifting driving mechanism, the support roller 23 is driven to move up and down along the vertical direction by the lifting driving mechanism, and the lifting driving mechanism can be a lifting platform driven by a hydraulic cylinder, and the support roller 23 is mounted on the lifting platform.

[0068] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

[0069] In addition, it should be noted that the various specific technical features described in the above specific embodiments can be combined in any appropriate manner without contradiction, in order to avoid unnecessary repetition, the present application will not further describe various possible combination manners.

[0070] In addition, various different embodiments of the present application can also be combined in any appropriate manner, as long as it does not deviate from the idea of the present application, it should also be considered as disclosed by the present application.

Claims

1. A boom tail positioning device, characterized in that: include: A first tail positioning support (11) and a second tail positioning support (12), wherein the first tail positioning support (11) and the second tail positioning support (12) are relatively positioned and symmetrically arranged in a vertical plane; A first positioning plate (13) and a second positioning plate (14), wherein the first positioning plate (13) and the second positioning plate (14) can be floatingly arranged correspondingly on the inner side of the first tail positioning support (11) and the inner side of the second tail positioning support (12) so as to be able to respectively fit the two sliding block mounting inclined surfaces supporting the tail of the boom, and the first positioning plate (13) and the second positioning plate (14) are symmetrically arranged and the symmetrical center plane can always be consistent with the positioning vertical plane; The boom tail positioning device (1) further comprises: A slide bar (15) extends in a horizontal direction, the slide bar (15) is laterally arranged between the first tail positioning support (11) and the second tail positioning support (12), and the slide bar (15) is arranged to be able to rise and fall in a vertical direction relative to the first tail positioning support (11) and the second tail positioning support (12); a first slide (16) disposed on the slide rod (15) and capable of sliding along the slide rod (15), wherein the first slide (16) is located below the first positioning plate (13), the top end of the first positioning plate (13) is hinged to the first tail positioning support (11), and the bottom end of the first positioning plate (13) is hinged to the first slide (16); The second slide (17) is arranged on the slide rod (15) and can slide along the slide rod (15). The second slide (17) is located below the second positioning plate (14). The top end of the second positioning plate (14) is hinged to the second tail positioning support (12), and the bottom end of the second positioning plate (14) is hinged to the second slide (17).

2. The boom tail positioning device according to claim 1, characterized in that: The top and bottom ends of the first positioning plate (13) are respectively provided with first hinged arms, and the ends of the two first hinged arms are respectively hinged to the first tail positioning support (11) and the first slide seat (16); and / or, The top and bottom ends of the second positioning plate (14) are respectively provided with second hinged arms, and the ends of the two second hinged arms are respectively hinged to the second tail positioning support (12) and the second slide seat (17).

3. The boom tail positioning device according to claim 1, characterized in that: The inner sides of the first tail positioning support (11) and the second tail positioning support (12) are both provided with a vertical slide rail extending in the vertical direction and a vertical slide seat slidably arranged on the vertical slide rail, and the two ends of the slide rod (15) are respectively provided on the two vertical slide seats and can slide with the corresponding vertical slide seat.

4. The boom tail positioning device according to claim 1, characterized in that: The first tail positioning support (11) and the second tail positioning support (12) are arranged to be relatively close to or far away from each other.

5. The boom tail positioning device according to claim 4, characterized in that: The boom tail positioning device (1) further comprises: a first horizontal slide rail, the first horizontal slide rail extending in a horizontal direction, the first tail positioning support (11) and the second tail positioning support (12) both being arranged on the first horizontal slide rail and both being able to slide along the first horizontal slide rail; A first driving screw, the first tail positioning support (11) and the second tail positioning support (12) are respectively threadedly connected to the first driving screw; The first drive motor is drivingly connected to the first drive screw.

6. A boom docking device, characterized in that: It comprises a boom cylinder positioning device (2) and a boom tail positioning device (1) according to any one of claims 1 to 5, wherein the boom tail positioning device (1) is used to position the boom tail, and the boom cylinder positioning device (2) is used to connect the boom cylinder to the boom tail in a aligning manner.

7. The boom docking device according to claim 6, characterized in that: The boom cylinder alignment device (2) comprises: a first cylinder alignment support (21) and a second cylinder alignment support (22), wherein the first cylinder alignment support (21) and the second cylinder alignment support (22) are symmetrically arranged relative to the positioning vertical plane; The supporting roller (23) is arranged transversely between the first cylinder alignment support (21) and the second cylinder alignment support (22).

8. The boom docking device according to claim 7, characterized in that: The first cylinder alignment support (21) and the second cylinder alignment support (22) are arranged to be relatively close to or far away from each other.

9. The boom docking device according to claim 7, characterized in that: The supporting roller (23) is configured to be able to move up and down in a vertical direction.

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