Crown block gantry splicing type stand column

Abstract

The utility model relates to the technical field of splicing type stand columns, and particularly discloses a crown block gantry splicing type stand column which comprises a wedge adjusting mechanism and a plurality of mutually spliced stand columns, guide rail faces are formed at the top ends of the stand columns, guide rails are installed on the guide rail faces, a plurality of wedge half grooves are formed in the stand columns, and the wedge half grooves are located on the inner side faces and the outer side faces of the stand columns. The wedge half grooves correspond to the edges of the two ends of the stand columns in the splicing direction, the wedge half grooves in every two adjacent stand columns are oppositely spliced to form a complete wedge groove, and the wedge adjusting mechanisms abut against the inclined faces of the wedge grooves in a matched mode and are fixedly installed in the wedge grooves in a locked mode so that the two stand columns can be adjusted to be flush. And the guide rail surfaces and the guide rails of the two stand columns are adjusted to be flush. According to the utility model, the upright posts can be conveniently and accurately spliced, adjusted and leveled, so that the splicing, adjusted and leveled of the guide rail surfaces and the guide rails are realized, the precision of the lathe bed is ensured, the adjustment process is time-saving and labor-saving, the operation is convenient and quick, and the splicing and leveled degree is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to a spliced upright column technical field, concretely relates to a crown block gantry spliced upright column. BACKGROUND

[0002] In order to facilitate production and transportation, the bed body part of large gantry machine tools is usually designed to be spliced. The outer side of the traditional spliced bed body is provided with screw locking pieces, rectangular pressing blocks and other adjusting devices for adjusting the bed body to ensure that the guide rail surfaces are spliced flat and smooth, thereby ensuring the precision of the bed body. Compared with other types of gantry machine tool bed bodies, the upright column of a large crown block gantry machine tool has a large height and a heavy weight, and it is time-consuming and laborious to adjust, inconvenient to operate, and difficult to ensure that the splicing is flat and smooth. SUMMARY

[0003] The utility model aims at providing a crown block gantry spliced upright column to solve the above technical problems.

[0004] To achieve the above purpose, the technical scheme of the utility model is as follows: a crown block gantry spliced upright column, comprising a wedge adjusting mechanism and a plurality of spliced upright columns, the top end of the upright column is formed with a guide rail surface, the guide rail surface is provided with a guide rail, a plurality of wedge half-slots are arranged on the upright column, the wedge half-slots are located on the inner side and the outer side of the upright column, and the wedge half-slots correspond to the two end edges of the splicing direction of the upright column, the wedge half-slots on the adjacent two upright columns are relatively spliced to form a complete wedge slot, the wedge adjusting mechanism and the wedge slot inclined surface are abutted and fixedly installed in the wedge slot to adjust the two upright columns flat and smooth, thereby adjusting the guide rail surfaces and guide rails of the two upright columns flat and smooth.

[0005] Preferably, the wedge adjusting mechanism comprises a positioning pressing block and a wedge pressing block, the longitudinal section of the positioning pressing block is rectangular, the longitudinal section of the wedge pressing block is a right trapezoid, the wedge pressing block and the positioning pressing block are abutted and matched in the plane, and the wedge pressing block and the wedge slot inclined surface are abutted and matched.

[0006] Preferably, the utility model further comprises a first screw locking piece, a plurality of first long slot holes are formed on the positioning pressing block along the length direction, a plurality of second long slot holes are formed on the wedge pressing block along the length direction, the long axis directions of the first and second long slot holes are parallel to the height direction, a plurality of threaded holes are formed in the wedge slot, the first screw locking piece is locked and matched through the first long slot hole and the threaded hole, and the first screw locking piece is locked and matched through the second long slot hole and the threaded hole.

[0007] Preferably, a plurality of pressing block threaded holes are formed on the positioning pressing block along the length direction, the pressing block threaded holes and the first long slot holes are alternately arranged, and the first screw locking piece is abutted and matched with the inner groove wall of the wedge half-slot after being screwed into the pressing block threaded hole.

[0008] Preferably, the guide rail close to the inner side of the column is the main guide rail, the guide rail close to the outer side of the column is the auxiliary guide rail, the wedge half slot is divided into a first wedge half slot, a second wedge half slot and a third wedge half slot, the first wedge half slot and the second wedge half slot are arranged on the inner side of the column, and the first wedge half slot is directly above the second wedge half slot, and the third wedge half slot is arranged on the outer side of the column, and the first wedge half slot and the third wedge half slot are at the same horizontal height.

[0009] Preferably, the first wedge half slots on the two adjacent columns are relatively spliced to form a main wedge slot, the wedge adjusting mechanism in the main wedge slot is a main wedge adjusting mechanism, the main wedge adjusting mechanism includes a positioning block and two wedge blocks arranged on the lower side of the positioning block, the positioning block is fixedly installed on the upper part of the main wedge slot, the two wedge blocks are respectively fixedly installed on the lower parts of the two wedge half slots of the main wedge slot, and the installation surface and the bearing surface of the main guide rail are leveled by abutting cooperation of the main wedge adjusting mechanism and the slot wall of the main wedge slot.

[0010] Preferably, the longitudinal section of the main wedge slot is a right-angled trapezoid with a right angle on the upper side and an oblique side on the lower side, the top slot wall of the main wedge slot is a positioning reference surface for vertical adjustment of the main wedge adjusting mechanism, the inner slot wall of the main wedge slot is a positioning reference surface for horizontal adjustment of the main wedge adjusting mechanism, the top surface and the inner side surface of the positioning block are respectively in plane abutting cooperation with the top slot wall and the inner slot wall of the main wedge slot, the top surface of the two wedge blocks on the lower side is in plane abutting cooperation with the bottom surface of the positioning block, and the bottom surface of the two wedge blocks on the lower side is in oblique surface abutting cooperation with the bottom slot wall of the corresponding wedge half slot.

[0011] Preferably, the second wedge half slots on the two adjacent columns are relatively spliced to form a wedge slot, and the third wedge half slots on the two adjacent columns are relatively spliced to form a wedge slot, both of which are auxiliary wedge slots, the wedge adjusting mechanism installed in the auxiliary wedge slot is an auxiliary wedge adjusting mechanism, the auxiliary wedge adjusting mechanism includes a positioning block and four wedge blocks, the four wedge blocks are respectively arranged on the upper and lower sides of the positioning block in pairs of symmetry, the positioning block is fixedly installed in the middle of the auxiliary wedge slot, the two wedge blocks on the upper side are respectively fixedly installed on the upper parts of the two wedge half slots of the auxiliary wedge slot, and the two wedge blocks on the lower side are respectively fixedly installed on the lower parts of the two wedge half slots of the auxiliary wedge slot, and the installation surface and the bearing surface of the auxiliary guide rail are leveled by abutting cooperation of the auxiliary wedge adjusting mechanism and the slot wall of the auxiliary wedge slot.

[0012] Preferably, the longitudinal section of the sub-wedge groove is an isosceles trapezoid with the oblique edges on the upper and lower sides, the bottom surfaces of the two upper wedge blocks are respectively in abutting engagement with the top surfaces of the positioning blocks, the top surfaces of the two upper wedge blocks are respectively in abutting engagement with the top groove wall inclined surfaces of the corresponding wedge half-grooves, the top surfaces of the two lower wedge blocks are respectively in abutting engagement with the bottom surfaces of the positioning blocks, and the bottom surfaces of the two lower wedge blocks are respectively in abutting engagement with the bottom groove wall inclined surfaces of the corresponding wedge half-grooves.

[0013] Preferably, the second screw lock is further included, the two ends of the column in the splicing direction are respectively provided with splicing grooves, a screw hole is formed on one side of the splicing groove, and the two columns are spliced and fixed through the locking and fastening of the second screw lock and the screw hole.

[0014] The utility model has the following beneficial effects:

[0015] The utility model discloses a slanting wedge adjusting mechanism and a plurality of mutually spliced columns, the top end of the column is formed with a guide rail surface, the guide rail surface is installed with a guide rail, a plurality of wedge half-grooves are arranged on the column, the wedge half-groove is located on the inner side and the outer side of the column, and the wedge half-groove corresponds to the two end edges of the splicing direction of the column, the wedge half-grooves on the adjacent two columns are relatively spliced to form a complete wedge groove, the slanting wedge adjusting mechanism is in abutting engagement with the wedge groove inclined surface and is locked and fastened to be fixedly installed in the wedge groove to realize the adjustment of the two columns to be flush, and then the guide rail surface and the guide rail of the two columns are adjusted to be flush, the setting can conveniently and accurately splice and adjust the columns to be flush, and then the splicing and adjustment of the guide rail surface and the guide rail to be flush are realized to ensure the bed body precision, the adjustment process is time-saving and labor-saving, the operation is convenient and fast, and the splicing flushness is better. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the inner side view of the utility model embodiment.

[0017] Figure 2 It is the outer side view of the utility model embodiment.

[0018] Figure 3 It is the front view of the column of the utility model embodiment.

[0019] Figure 4 It is the sectional view of the utility model embodiment.

[0020] Figure 5 It is the structure schematic diagram of the main slanting wedge adjusting mechanism of the utility model embodiment.

[0021] Figure 6 It is the structure schematic diagram of the sub-wedge adjusting mechanism of the utility model embodiment.

[0022] Label: 1 post, 2 guide surface, 3 main guide rail, 4 sub-guide rail, 5 first inclined wedge half slot, 6 second inclined wedge half slot, 7 third inclined wedge half slot, 8 top slot wall, 9 inner slot wall, 10 bottom slot wall, 11 positioning pressing block, 12 inclined wedge pressing block, 13 first long slot hole, 14 second long slot hole, 15 pressing block threaded hole, 16 threaded hole, 17 splicing groove, 18 threaded hole. DETAILED DESCRIPTION

[0023] To further illustrate the embodiments, the utility model provides the attached drawings. These drawings are part of the utility model disclosure, which mainly serves to illustrate the embodiments, and can be combined with the relevant description of the specification to explain the operating principle of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementations and the advantages of the utility model. The components in the drawings are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0024] In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two; The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; It can be mechanically connected, or it can be electrically connected; It can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] Reference Figures 1-6As shown, as an embodiment of the utility model provides a kind of sky crane gantry spliced column, including inclined wedge adjusting mechanism and multiple mutually spliced column 1, the top of column 1 is formed with guide rail surface 2, guide rail is installed on guide rail surface 2, multiple inclined wedge half-grooves are provided on column 1, inclined wedge half-groove is located on the inner side and outer side of column 1, and inclined wedge half-groove is correspondingly at the two end edges of the splicing direction of column 1, the inclined wedge half-groove on the adjacent two column 1 is relatively spliced to form complete inclined wedge groove, inclined wedge adjusting mechanism and inclined wedge groove inclined surface abutment cooperation and lock fixed installation in inclined wedge groove to realize the adjustment of the two column 1 flat, further make the guide rail surface 2 and guide rail of two column 1 adjustment flat. Specifically, inclined wedge adjusting mechanism includes locating pressure block 11 and inclined wedge pressure block 12, the longitudinal section of locating pressure block 11 is rectangle, the longitudinal section of inclined wedge pressure block 12 is right trapezoid, inclined wedge pressure block 12 and locating pressure block 11 plane abutment cooperation, inclined wedge pressure block 12 and inclined wedge groove inclined surface abutment cooperation, so that the guide rail surface 2 and guide rail of two column 1 can be spliced and adjusted flat conveniently and accurately, to ensure the bed precision, and adjustment process saves time and effort, easy and fast operation, splicing flatness is better. The utility model is mainly applied to the field of large-scale sky crane gantry machine tool column, of course, it can also be applied to small and medium-sized sky crane gantry machine tool column, not limited here.

[0027] In the embodiment, first screw locking piece is also included, specifically bolt, a plurality of first long slot holes 13 are opened on locating pressure block 11 along the length direction, a plurality of second long slot holes 14 are opened on inclined wedge pressure block 12 along the length direction, the long axis direction of first and second long slot holes 14 is mutually parallel with height direction, a plurality of threaded holes 16 are opened in inclined wedge groove, first screw locking piece passes through first long slot hole 13 and threaded hole 16 lock cooperation, to realize the fixed installation of locating pressure block 11 in inclined wedge groove and can be adjusted in position along vertical direction, ensure installation accuracy, first screw locking piece passes through second long slot hole 14 and threaded hole 16 lock cooperation, to realize the fixed installation of inclined wedge pressure block 12 in inclined wedge groove and can be adjusted in position along vertical direction, ensure installation accuracy.

[0028] In the embodiment, a plurality of pressure block threaded holes 15 are opened on locating pressure block 11 along the length direction, pressure block threaded hole 15 and first long slot hole 13 are alternately arranged, after first screw locking piece is rotated into pressure block threaded hole 15, it is plane abutment cooperation with the inner groove wall 9 of inclined wedge half-groove, so that locating pressure block 11 can be adjusted in position along horizontal direction.

[0029] In this embodiment, the guide rail close to the inner side of the column 1 is the main guide rail 3, the guide rail close to the outer side of the column 1 is the auxiliary guide rail 4, the inclined wedge half slot is divided into the first inclined wedge half slot 5, the second inclined wedge half slot 6 and the third inclined wedge half slot 7, the first inclined wedge half slot 5 and the second inclined wedge half slot 6 are arranged on the inner side of the column 1, and the first inclined wedge half slot 5 is directly above the second inclined wedge half slot 6, and the third inclined wedge half slot 7 is arranged on the outer side of the column 1, and the first inclined wedge half slot 5 and the third inclined wedge half slot 7 are at the same horizontal height.

[0030] Among them, the first inclined wedge half slot 5 on the adjacent two columns 1 relatively spliced to form an inclined wedge slot is a main inclined wedge slot, and the inclined wedge adjusting mechanism located in the main inclined wedge slot is a main inclined wedge adjusting mechanism, the main inclined wedge adjusting mechanism includes a positioning pressing block 11 and two inclined wedge pressing blocks 12 arranged on the lower side of the positioning pressing block 11, the positioning pressing block 11 is fixedly installed on the upper part of the main inclined wedge slot, and the two inclined wedge pressing blocks 12 are respectively fixedly installed on the lower part of the two inclined wedge half slots of the main inclined wedge slot, and the installation surface and the bearing surface of the main guide rail 3 are leveled by the abutting cooperation of the main inclined wedge adjusting mechanism and the slot wall of the main inclined wedge slot.

[0031] Specifically, the longitudinal section of the main inclined wedge slot is a right-angled trapezoid with a right angle on the upper side and an inclined side on the lower side, the top slot wall 8 of the main inclined wedge slot is a positioning reference surface for the vertical adjustment of the main inclined wedge adjusting mechanism, the inner slot wall 9 of the main inclined wedge slot is a positioning reference surface for the horizontal adjustment of the main inclined wedge adjusting mechanism, the top surface and the inner side surface of the positioning pressing block 11 are respectively in plane abutting cooperation with the top slot wall 8 and the inner slot wall 9 of the main inclined wedge slot, the top surface of the two inclined wedge pressing blocks 12 on the lower side is in plane abutting cooperation with the bottom surface of the positioning pressing block 11, and the bottom surface of the two inclined wedge pressing blocks 12 on the lower side is in inclined surface abutting cooperation with the bottom slot wall 10 of the corresponding inclined wedge half slot.

[0032] Among them, the first inclined wedge half slot 5 on the adjacent two columns 1 relatively spliced to form an inclined wedge slot is a main inclined wedge slot, and the inclined wedge adjusting mechanism located in the main inclined wedge slot is a main inclined wedge adjusting mechanism, the main inclined wedge adjusting mechanism includes a positioning pressing block 11 and two inclined wedge pressing blocks 12 arranged on the lower side of the positioning pressing block 11, the positioning pressing block 11 is fixedly installed on the upper part of the main inclined wedge slot, and the two inclined wedge pressing blocks 12 are respectively fixedly installed on the lower part of the two inclined wedge half slots of the main inclined wedge slot, and the installation surface and the bearing surface of the main guide rail 3 are leveled by the abutting cooperation of the main inclined wedge adjusting mechanism and the slot wall of the main inclined wedge slot.

[0033] Specifically, the longitudinal section of the sub inclined wedge groove is an isosceles trapezoid with inclined edges on the upper and lower sides, the bottom surface of each of the two upper inclined wedge blocks 12 abuts against the top surface of the positioning block 11, the top surface of each of the two upper inclined wedge blocks 12 abuts against the inclined surface of the top groove wall 8 of the corresponding inclined wedge half groove, the top surface of each of the two lower inclined wedge blocks 12 abuts against the bottom surface of the positioning block 11, and the bottom surface of each of the two lower inclined wedge blocks 12 abuts against the inclined surface of the bottom groove wall 10 of the corresponding inclined wedge half groove.

[0034] In the technical solution, the first inclined wedge half groove 5 is the main inclined wedge groove because it is located directly below the main guide rail 3 and is closest to the main guide rail 3, and thus the adjustment of the main inclined wedge groove has the most significant influence on the main guide rail 3. Therefore, the top groove wall 8 and the inner groove wall 9 of the main inclined wedge groove are made into positioning reference surfaces, and the installation surface and the bearing surface of the main rail of the column 1 can be quickly leveled by abutting the positioning reference surfaces of the main inclined wedge groove against the main inclined wedge adjustment mechanism. The installation of the sub guide rail 4 of the column 1 is based on the main guide rail 3, and thus the installation surface and the bearing surface of the sub guide rail 4 can be quickly and accurately leveled by abutting the groove walls of the other two sub inclined wedge grooves against the sub inclined wedge adjustment mechanism.

[0035] In the embodiment, a second screw locking piece, specifically an M30 bolt, is further included, and a splicing groove 17 is arranged at each end of the column 1 in the splicing direction, and a screw hole 18 is formed in one side of the splicing groove 17. The two columns 1 are spliced and fixed by the locking and fitting of the second screw locking piece and the screw hole 18.

[0036] The splicing process of the crown block gantry splicing type column 1 of the utility model is as follows. First, a plurality of columns 1 are preliminarily spliced and aligned. The main inclined wedge adjustment mechanism is fixedly installed in the main inclined wedge groove, and then the sub main inclined wedge adjustment mechanism is fixedly installed in the two sub inclined wedge grooves on the inner and outer sides.

[0037] The installation process of the main inclined wedge adjustment mechanism is as follows. First, the positioning block 11 is abutted against the upper part of the main inclined wedge groove as a reference to be fixed. Then, the two inclined wedge blocks 12 are respectively embedded in the lower parts of the two inclined wedge half grooves corresponding to the positioning block 11 on the lower side of the positioning block 11. The first screw locking piece is respectively passed through the first long groove hole 13, the second long groove hole 14 and the threaded hole 16 to be locked and fitted, so as to connect the positioning block 11 and the inclined wedge block 12 to the column 11. Then, the first screw locking piece of the inclined wedge block 12 is tightened, so that the bottom surface of each of the two lower inclined wedge blocks 12 abuts against the inclined surface of the bottom groove wall 10 of the corresponding inclined wedge half groove. The inclined wedge block 12 is abutted against the positioning block 11 upwards, so that the positioning block 11 is tightly abutted against the positioning reference surface of the main inclined wedge groove in the horizontal direction. Then, the first screw locking piece of the positioning block 11 is tightened, so that the positioning block 11 is tightly abutted against the positioning reference surface of the main inclined wedge groove in the vertical direction.

[0038] The installation process of the sub-sloping wedge adjusting mechanism first abuts the positioning block 11 against the middle part of the main sloping wedge groove, and then embeds the four sloping wedge blocks 12 symmetrically in pairs into the upper side and the lower side of the positioning block 11, and respectively corresponds to the upper part and the lower part of the two sloping wedge half grooves of the sub-sloping wedge groove, and the first screw lock piece is respectively passed through the first long groove hole 13, the second long groove hole 14 and the threaded hole 16 to realize the connection of the positioning block 11 and the sloping wedge block 12 on the column 1, and then the first screw lock piece of the sloping wedge block 12 on the upper side and the lower side is tightened, so that the top surface of the two sloping wedge blocks 12 on the upper side is respectively abutted and matched with the inclined surface of the top groove wall 8 of the corresponding sloping wedge half groove, the bottom surface of the two sloping wedge blocks 12 on the lower side is respectively abutted and matched with the inclined surface of the bottom groove wall 10 of the corresponding sloping wedge half groove, and the sloping wedge blocks 12 on the upper side and the lower side are respectively abutted and pressed on the positioning block 11, and then the first screw lock piece of the positioning block 11 is tightened, so that the positioning block 11 is tightly abutted with the vertical positioning reference surface of the main sloping wedge groove.

[0039] Finally, the second screw lock piece is locked with the threaded hole to realize the splicing and fixing of the two columns 1.

[0040] The above technical scheme realizes the rapid positioning of the column 1 through the main sloping wedge adjusting mechanism, and the two sub-sloping wedge adjusting mechanisms are used for auxiliary support and secondary adjustment, so that the column 1 can be conveniently and accurately spliced and adjusted to be flush, and then the splicing and adjustment of the guide rail surface 2 are realized to be flush, so as to ensure the bed body precision, and the adjustment process is time-saving and labor-saving, and the operation is convenient and fast, and the splicing flushness is better. The two sub-sloping wedge adjusting mechanisms are respectively located in the horizontal direction and the vertical direction of the main sloping wedge adjusting mechanism, so as to avoid local stress deformation caused by single-point adjustment.

[0041] Although the utility model is specifically shown and introduced in combination with the preferred embodiments, those skilled in the art should understand that various changes can be made to the utility model in form and detail without departing from the spirit and scope of the utility model defined in the appended claims, and all fall within the protection scope of the utility model.

Claims

1. A type of gantry crane splicing column, characterized in that: The device includes a wedge adjustment mechanism and multiple interconnected columns. The top of each column has a guide rail surface, on which a guide rail is mounted. Each column has multiple wedge semi-grooves located on its inner and outer surfaces, corresponding to the two ends of the column's splicing direction. The wedge semi-grooves on two adjacent columns are spliced ​​together to form a complete wedge groove. The wedge adjustment mechanism abuts against and locks into the wedge groove to align the two columns, thereby aligning the guide rail surfaces and guide rails of the two columns.

2. The gantry crane splicing column according to claim 1, characterized in that: The wedge adjustment mechanism includes a positioning block and a wedge block. The longitudinal section of the positioning block is rectangular, and the longitudinal section of the wedge block is a right trapezoid. The wedge block and the positioning block are in planar contact, and the wedge block and the inclined surface of the wedge groove are in contact.

3. The gantry crane splicing column according to claim 2, characterized in that: It also includes a first screw locking component, a positioning pressure block with multiple first long slots along the length direction, a wedge pressure block with multiple second long slots along the length direction, the long axis of the first and second long slots are parallel to each other with the height direction, a wedge groove with multiple threaded holes, the first screw locking component passes through the first long slot and engages with the threaded holes, and the first screw locking component passes through the second long slot and engages with the threaded holes.

4. The gantry crane splicing column according to claim 3, characterized in that: The positioning block has multiple threaded holes along its length. The threaded holes and the first long slot are arranged alternately. After the first screw is screwed into the threaded hole, it abuts against the inner wall of the wedge half slot.

5. The gantry crane splicing column according to claim 2, characterized in that: The guide rail near the inner side of the column is the main guide rail, and the guide rail near the outer side of the column is the secondary guide rail. The wedge half-groove is divided into a first wedge half-groove, a second wedge half-groove, and a third wedge half-groove. The first and second wedge half-grooves are both located on the inner side of the column, and the first wedge half-groove is directly above the second wedge half-groove. The third wedge half-groove is located on the outer side of the column, and the first and third wedge half-grooves are at the same horizontal height.

6. The gantry crane splicing column according to claim 5, characterized in that: The first wedge half-grooves on two adjacent columns are spliced ​​together to form the main wedge groove. The wedge adjustment mechanism located in the main wedge groove is the main wedge adjustment mechanism. The main wedge adjustment mechanism includes a positioning pressure block and two wedge pressure blocks set on the lower side of the positioning pressure block. The positioning pressure block is fixedly installed on the upper part of the main wedge groove, and the two wedge pressure blocks are respectively fixedly installed on the lower part of the two wedge half-grooves of the main wedge groove. The main wedge adjustment mechanism abuts against the groove wall of the main wedge groove to level the mounting surface and bearing surface of the main guide rail.

7. The gantry crane splicing column according to claim 6, characterized in that: The longitudinal section of the main wedge groove is a right trapezoid with the right-angled side on the top and the hypotenuse on the bottom. The top wall of the main wedge groove is the positioning reference surface for the main wedge adjustment mechanism in the vertical direction, and the inner wall of the main wedge groove is the positioning reference surface for the main wedge adjustment mechanism in the horizontal direction. The top surface and inner surface of the positioning block abut against the plane of the top wall and inner wall of the main wedge groove, respectively. The top surface of the two lower wedge blocks abuts against the plane of the bottom surface of the positioning block, and the bottom surface of the two lower wedge blocks abuts against the inclined surface of the bottom wall of the corresponding wedge half groove.

8. The gantry crane splicing column according to claim 5, characterized in that: The wedge groove formed by the relative splicing of the second wedge half-grooves on two adjacent columns and the wedge groove formed by the relative splicing of the third wedge half-grooves on two adjacent columns are both secondary wedge grooves. The wedge adjustment mechanism installed in the secondary wedge groove is the secondary wedge adjustment mechanism. The secondary wedge adjustment mechanism includes one positioning block and four wedge blocks. The four wedge blocks are symmetrically arranged on the upper and lower sides of the positioning block. The positioning block is fixedly installed in the middle of the secondary wedge groove. The two upper wedge blocks are fixedly installed in the upper part of the two wedge half-grooves of the secondary wedge groove, and the two lower wedge blocks are fixedly installed in the lower part of the two wedge half-grooves of the secondary wedge groove. The secondary wedge adjustment mechanism abuts against the groove wall of the secondary wedge groove to level the mounting surface and bearing surface of the secondary guide rail.

9. The gantry crane splicing column according to claim 8, characterized in that: The longitudinal section of the secondary wedge groove is an isosceles trapezoid with the inclined sides on the upper and lower sides. The bottom surfaces of the two upper wedge pressure blocks abut against the top surface of the positioning pressure block, and the top surfaces of the two upper wedge pressure blocks abut against the inclined surface of the top groove wall of their respective wedge half grooves. The top surfaces of the two lower wedge pressure blocks abut against the bottom surface of the positioning pressure block, and the bottom surfaces of the two lower wedge pressure blocks abut against the inclined surface of the bottom groove wall of their respective wedge half grooves.

10. The gantry crane splicing column according to claim 1, characterized in that: It also includes a second screw locking component. Splicing grooves are provided at both ends of the column in the splicing direction. A screw hole is provided on one side of the splicing groove. The two columns are spliced ​​and fixed by the second screw locking component cooperating with the screw hole.

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