High-precision rotary supporting leg lifting appliance

Abstract

The utility model discloses a high-precision rotary supporting leg lifting appliance which comprises a lifting frame, mounting parts are arranged at four corners of the lower end of the lifting frame, rotary supporting legs are mounted on the mounting parts, each rotary supporting leg comprises a vertical section and a horizontal section, the lower end of each vertical section is connected with the end of the corresponding horizontal section, a positioning piece is arranged at the other end of the corresponding horizontal section, and each vertical section comprises a rotating shaft. The rotating shaft is sleeved with a lower positioning sleeve and an upper positioning sleeve, the lower positioning sleeve is fixedly connected with the installation part, a protrusion is arranged at the upper end of the lower positioning sleeve, a pressing groove matched with the protrusion is formed in the lower end of the upper positioning sleeve, a rotating adjusting hole is formed in the outer wall of the upper positioning sleeve, and the upper end of the rotating shaft is in threaded connection with an anti-disengaging nut matched with the upper positioning sleeve. In the pressing and clamping process, the inclination of the pressing grooves and the protrusions are used for forming an inclination fitting structure, the assembling gap is eliminated, the situation that the shaking temperature of the supporting legs is high, the heavier a borne workpiece is, the smaller the shaking possibility of the supporting legs is is effectively avoided, and the stability and the position precision are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of slings, in particular to a high-precision rotating outrigger sling. Background Art

[0002] The legs of the overhead lifting equipment used in the UBS line of conventional passenger car factories are usually welded and rigid and cannot rotate, or they are made into legs that can be rotated and removed for installation. However, due to the installation gap, the amount of shaking is large, which directly affects the accuracy of the automatic rotation and alignment of the lifting equipment. Therefore, the types of models that the lifting equipment is compatible with are relatively small. For production lines with a large number of models and a large amount of compatibility, it is difficult to adapt. Often, the lifting equipment can only be replaced, which causes great waste. It is necessary to develop a more accurate and rotatable lifting equipment. Utility Model Content

[0003] The utility model aims to provide a high-precision rotating outrigger sling, which solves the problem that the existing sling has a large amount of shaking due to the installation gap, directly affecting the accuracy of the automatic rotation and alignment of the sling, and is compatible with a small number of vehicle models.

[0004] The purpose of the utility model is achieved through the following technical solutions:

[0005] A high-precision rotating leg hoist, comprising a lifting frame, wherein the four corners of the lower end of the lifting frame are provided with mounting parts, and a rotating leg is installed on the mounting part, and the rotating leg comprises a vertical section and a horizontal section, the lower end of the vertical section is connected to the end of the horizontal section, and the other end of the horizontal section is provided with a positioning piece, and the vertical section comprises a rotating shaft, and a lower positioning sleeve and an upper positioning sleeve are mounted on the rotating shaft, and the lower positioning sleeve is fixedly connected to the mounting part, and a protrusion is provided at the upper end of the lower positioning sleeve, and a clamping groove adapted to the protrusion is provided at the lower end of the upper positioning sleeve, and a rotation adjustment hole is opened on the outer wall of the upper positioning sleeve, and an anti-slip nut adapted to the upper positioning sleeve is threadedly connected to the upper end of the rotating shaft.

[0006] Furthermore, the mounting portion includes at least two cross braces, and a plurality of the cross braces are coaxially provided with mounting holes adapted to fit the rotating shaft.

[0007] Furthermore, a first through hole adapted to the rotating shaft is opened at the center of the lower positioning sleeve, the protrusions are symmetrically distributed on both sides of the first through hole, and a plurality of fixing holes are evenly arranged on the lower positioning sleeve outside the first through hole.

[0008] Furthermore, a second through hole adapted to the rotating shaft is opened at the center of the upper positioning sleeve, and the clamping groove is provided on the upper positioning sleeve outside the second through hole, and the number of the clamping grooves is greater than the number of the protrusions.

[0009] Furthermore, the lower positioning sleeve is threadedly fixedly connected to the uppermost cross brace through the fixing hole.

[0010] Further, the pressing groove includes a first vertical section, an inclined section, and a second vertical section successively opened outward from the upper positioning sleeve, and the width of the second vertical section is greater than that of the first vertical section.

[0011] The utility model has the following advantages:

[0012] 1. When pressing and clamping, by using the slope of the pressing groove to form a slope-fitting structure with the protrusion, the assembly gap is eliminated, effectively avoiding the shaking of the support legs due to temperature. The heavier the workpiece carried, the smaller the possibility of the support legs shaking, improving the stability and position accuracy.

[0013] 2. The vertical section adopts the installation structure of a rotating shaft, a lower positioning sleeve, an upper positioning sleeve, and an anti-loosening nut, increasing the adaptability of the lifting tool and facilitating disassembly, assembly, and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural diagram of the utility model.

[0015] Figure 2 is Figure 1 an enlarged schematic diagram of the structure at A in

[0016] Figure 3 is a schematic structural diagram of the lower positioning sleeve.

[0017] Figure 4 is a schematic structural diagram of the upper positioning sleeve.

[0018] In the figure, 1 - lifting frame, 2 - vertical section, 3 - horizontal section, 4 - positioning member, 5 - rotating shaft, 6 - lower positioning sleeve, 7 - upper positioning sleeve, 8 - protrusion, 9 - pressing groove, 91 - first vertical section, 92 - inclined section, 93 - second vertical section, 10 - rotation adjustment hole, 11 - anti-loosening nut, 12 - first through hole, 13 - fixing hole, 14 - second through hole, 15 - cross brace. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] To make the purpose, technical solutions, and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the utility model. Usually, the components of the embodiments of the utility model described and illustrated herein can be arranged and designed in various different configurations.

[0020] Therefore, the following detailed description of the embodiments of the present utility model provided in the drawings is not intended to limit the scope of the present utility model claimed, but merely represents selected embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model.

[0021] It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other.

[0022] It should be noted that like reference numerals and letters indicate similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0023] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed during use, or the orientation or positional relationship commonly understood by those skilled in the art. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive distinction and should not be construed as indicating or implying relative importance.

[0024] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and defined, the terms "set", "installed", "connected", "connected to" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] Refer to Figures 1-4 As shown, one embodiment of the present utility model is:

[0026] A high-precision rotating outrigger sling, comprising a lifting frame 1. Installation parts are provided at the four corners of the lower end of the lifting frame 1. Rotating outriggers are installed on the installation parts. The rotating outrigger includes a vertical section 2 and a horizontal section 3. The lower end of the vertical section 2 is connected to the end of the horizontal section 3. A positioning member 4 is provided at the other end of the horizontal section 3. The vertical section 2 includes a rotating shaft 5. A lower positioning sleeve 6 and an upper positioning sleeve 7 are sleeved on the rotating shaft 5. The lower positioning sleeve 6 is fixedly connected to the installation part. A protrusion 8 is provided at the upper end of the lower positioning sleeve 6. A pressing groove 9 adapted to the protrusion 8 is provided at the lower end of the upper positioning sleeve 7. A rotation adjustment hole 10 is opened on the outer wall of the upper positioning sleeve 7. An anti-loosening nut 11 adapted to the upper positioning sleeve 7 is threadedly connected to the upper end of the rotating shaft 5.

[0027] Specifically, a first through hole 12 adapted to the rotating shaft 5 is opened at the center of the lower positioning sleeve 6. The protrusions 8 are symmetrically distributed on both sides of the first through hole 12. A plurality of fixing holes 13 are uniformly provided on the lower positioning sleeve 6 outside the first through hole 12. The installation part includes at least two cross braces 15. Installation holes adapted to the rotating shaft 5 are coaxially opened on the multiple cross braces 15.

[0028] The limitation of the rotating shaft 5 is realized by arranging multiple cross braces 15, improving the verticality. During installation, the lower positioning sleeve 6 is fixedly connected to the uppermost cross brace 15 through the fixing holes 13 by threads.

[0029] A second through hole 14 adapted to the rotating shaft 5 is opened at the center of the upper positioning sleeve 7. The pressing groove 9 is provided on the upper positioning sleeve 7 outside the second through hole 14, and the number of the pressing grooves 9 is greater than the number of the protrusions 8. In actual use, the specific number of the pressing grooves 9 and the angle between adjacent grooves are specifically selected according to the adapted vehicle model; the positioning member 4 includes a UBS positioning pin and a supporting plate, and its specific installation orientation is specifically selected according to the vehicle model.

[0030] Further, the pressing groove 9 includes a first vertical section 91, an inclined section 92, and a second vertical section 93 successively opened outward from the upper positioning sleeve 7, and the width of the second vertical section 93 is greater than the width of the first vertical section 91.

[0031] During pressing and clamping, the protrusion 8 cooperates with the inclined section 92 for pressing. Utilizing the slope of the pressing groove 9, a slope fitting structure is formed with the protrusion 8 to eliminate the assembly gap, effectively avoiding the outrigger shaking. The heavier the workpiece carried, the closer the cooperation between the pressing groove 9 and the protrusion, and the smaller the possibility of relative displacement caused by the relative movement of the upper and lower positioning sleeves, that is, the smaller the possibility of outrigger shaking, improving the stability and position accuracy.

[0032] The vertical section 2 adopts the installation structure of a rotating shaft 5, a lower positioning sleeve 6, an upper positioning sleeve 7 and an anti-loosening nut, which increases the adaptability of the lifting tool and is convenient for disassembly, installation and maintenance. The rotation adjustment hole 10 provided on the upper positioning sleeve 7 is used to connect a rotation handle to realize the support direction adjustment of the rotating leg.

[0033] Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A high-precision rotating outrigger sling, characterized in that: It includes a hanging frame, and the four corners of the lower end of the hanging frame are provided with mounting parts, and a rotating support leg is installed on the mounting part, and the rotating support leg includes a vertical section and a horizontal section, the lower end of the vertical section is connected to the end of the horizontal section, and the other end of the horizontal section is provided with a positioning piece, and the vertical section includes a rotating shaft, and a lower positioning sleeve and an upper positioning sleeve are mounted on the rotating shaft, and the lower positioning sleeve is fixedly connected to the mounting part, and a protrusion is provided at the upper end of the lower positioning sleeve, and a clamping groove adapted to the protrusion is provided at the lower end of the upper positioning sleeve, and a rotation adjustment hole is opened on the outer wall of the upper positioning sleeve, and an anti-dropping nut adapted to the upper positioning sleeve is threadedly connected to the upper end of the rotating shaft.

2. A high-precision rotating leg sling according to claim 1, characterized in that: The mounting portion includes at least two cross braces, and a plurality of the cross braces are coaxially provided with mounting holes adapted to fit the rotating shaft.

3. A high-precision rotating leg sling according to claim 2, characterized in that: A first through hole adapted to the rotating shaft is opened at the center of the lower positioning sleeve, the protrusions are symmetrically distributed on both sides of the first through hole, and a plurality of fixing holes are evenly arranged on the lower positioning sleeve outside the first through hole.

4. The high-precision rotating leg sling according to claim 1, characterized in that: A second through hole adapted to the rotating shaft is opened at the center of the upper positioning sleeve, and the upper positioning sleeve is provided with the clamping groove outside the second through hole, and the number of the clamping grooves is greater than the number of the protrusions.

5. The high-precision rotating outrigger sling according to claim 3, characterized in that: The lower positioning sleeve is threadably fixedly connected to the uppermost cross brace through the fixing hole.

6. The high-precision rotating outrigger sling according to claim 1, characterized in that: The clamping groove includes a first vertical section, an inclined section, and a second vertical section which are sequentially opened outward from the upper positioning sleeve, and the width of the two vertical sections is greater than the width of the first vertical section.

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