CN115924751A - Gantry crane, lifting platform for mounting and dismounting gantry crane and use method of lifting platform - Google Patents

Abstract

The invention relates to a gantry crane, a lifting platform for mounting and dismounting the gantry crane and a using method thereof, wherein the gantry crane comprises two beam rails, two stand columns are mounted on the bottom surfaces of the beam rails, a connecting beam is mounted between the beam rails, the outer parts of the two beam rails are jointly connected with the same lifting seat in a rolling manner, a supporting sleeve frame is sleeved between the two beam rails and the connecting beam in a matching manner, track support plates are mounted on the bottom surfaces of the two stand columns, and jack plates are mounted on the bottom surfaces of the track support plates; the lifting platform for installing and disassembling the portal crane comprises a lifting plate, sleeve plates are fixedly installed at two ends of the top surface of the lifting plate, an adjusting and supporting assembly used for supporting and hoisting the portal crane is slidably installed on the top surface of each sleeve plate, the bottom surface of the lifting plate is hinged to a lifting frame, the bottom of the lifting frame is connected with a base, and two sets of positioning mechanisms connected with an inserting hole plate are arranged on the bottom surface of an inner cavity of the base. The gantry crane has high structural stability, and the lifting platform is suitable for lifting and mounting gantry cranes with different widths and has high applicability.

Description

Gantry crane, lifting platform for mounting and dismounting gantry crane and use method of lifting platform

Technical Field

The invention relates to the technical field of construction machinery, in particular to a gantry crane, a lifting platform for mounting and dismounting the gantry crane and a using method of the lifting platform.

Background

The concrete conveying pump truck is generally used for conveying during concrete construction, when concrete is conveyed in a long distance and an ultrahigh speed, a large arm of a crane is difficult to lift, the mounting speed is low, smoke and dust are large, diesel oil smell is too strong, so that the physical and mental of constructors are greatly injured, the construction cost is increased, and particularly when the gantry crane is disassembled in a long-distance tunnel, the gantry crane cannot enter the tunnel due to the fact that no track is arranged at a construction inclined well position after construction is finished, and the gantry crane cannot be disassembled.

Through retrieval, the utility model patent with publication number CN210419154U discloses special equipment for installing and disassembling a portal crane for construction in a tunnel, the columns on two sides can keep synchronous and stable ascending or descending by using a high-strength gear, and the winch is driven by a lever principle to have small power and is light and practical; however, the technical scheme is inconvenient for realizing the installation of the gantry crane and cannot adapt to different use scenes; in addition, the gantry crane can not adapt to hoisting and installation of gantry cranes with different widths, limitation exists in use, and stability of the gantry crane in use after assembly is tested, so that the study on the gantry crane convenient to disassemble and disassembling equipment matched with the gantry crane is very necessary.

Disclosure of Invention

The invention aims to solve the problems in the background technology, and provides a gantry crane, a lifting platform for mounting and dismounting the gantry crane and a using method thereof.

In order to realize the purpose, the invention adopts the following technical scheme:

the utility model provides a gantry crane, including two parallel arrangement's crossbeam rail, all install two stands on the bottom surface of every crossbeam rail, install the tie-beam between two crossbeam rails, and the common roll connection in outside of two crossbeam rails has same lifting seat, match the cover between two crossbeam rails and the tie-beam and be equipped with the support cover frame, all install the track mounting panel on the bottom surface of two stands, the bottom sliding fit of track mounting panel has the track of installing subaerially, and install the jack panel on the bottom surface of track mounting panel.

Particularly, the two end faces of the connecting beam are respectively provided with a lock catch block, and the inner wall of the beam rail is provided with a lock catch groove which is matched with the lock catch blocks in an inserting way.

Particularly, the end part of the inner wall of the cross beam rail is provided with a buckling hole, the inner wall of the supporting sleeve frame is provided with a matching part matched with the cross beam rail for use, a vacant groove is formed in the matching part, a sliding groove is formed in the inner wall of the vacant groove, a mounting plate is arranged in the vacant groove, a guide block in sliding fit with the sliding groove is arranged at the end part of the mounting plate, a positioning buckling block matched with the buckling hole for use is arranged on the surface of one side of the mounting plate, a screw hole communicated with the vacant groove is formed in the surface of the outer wall of the supporting sleeve frame, a butterfly bolt is connected to the inner thread of the screw hole, and the end part of the butterfly bolt is rotationally connected with the surface of the other side of the mounting plate.

The utility model provides a portal crane installation is dismantled and is used lift platform, is including the lifter plate that is used for going up and down, and the top surface both ends fixed mounting of lifter plate has the lagging, and slidable mounting has the regulation supporting component who is used for supporting and lifts by crane the portal crane on the top surface of lagging, and the bottom surface of lifter plate articulates there is the crane, and the bottom of crane is connected with the base, and articulates in the inner chamber of base the bottom of crane, is provided with two sets of positioning mechanism who is connected with the jack plate on the inner chamber bottom surface of base.

Particularly, adjust supporting component and include the supporting shoe of two L shape structures, install the slide on the bottom surface of supporting shoe, be equipped with the mounting groove that corresponds with the slide on the lagging top surface, be equipped with on the bottom surface of lagging with the communicating recess of mounting groove, the internally mounted of recess has the gag lever post of horizontal direction, the slide slides and locates on the gag lever post in the mounting groove, is equipped with on the lagging and is used for driving the gliding power unit of slide.

Particularly, the power mechanism comprises a bidirectional screw rod which is rotatably connected in the mounting groove, a servo motor which is used for driving the bidirectional screw rod to rotate is mounted on the outer wall of the sleeve plate, and the sliding seat is in threaded connection with the bidirectional screw rod.

Particularly, a gasket is attached to the top surface of the supporting block.

Particularly, the positioning mechanism comprises two connecting plates, wherein an air cylinder is installed on the bottom surface of one connecting plate, a stop plate is fixedly connected to the end portion of a piston rod of the air cylinder, a transmission plate is connected to the surface of the stop plate, a limiting frame in sliding fit with the transmission plate is installed on the bottom surface of the other connecting plate, the stop plate is used for stopping the transmission plate, and a butt joint insertion column in insertion fit with the insertion hole plate is installed on the surface of the transmission plate.

A use method of a lifting platform for installing and disassembling a gantry crane comprises the following steps:

firstly, when a gantry crane is installed, firstly, two upright posts are installed on the top surface of a track support plate, wherein the track support plate and a track are arranged in a rolling manner;

step two, enabling the lifting base to roll into the two cross beam rails, enabling the two cross beam rails and the connecting beam to be arranged in an inserted mode, respectively sleeving the two supporting sleeve frames at the end portions of the two corresponding cross beam rails, and driving the mounting plate to move directionally in the vacant slot while rotating and shifting the butterfly bolt so that the positioning buckling block enters the buckling hole;

step three, the assembled beam rail, the connecting beam and the lifting seat are arranged on the supporting block of the adjusting and supporting assembly and are fastened and fixed, and then the lifting frame lifts the lifting plate, so that the bottom surface of the beam rail is higher than the top surface of the upright post;

fourthly, the base reaches between the two track support plates, the transmission plate moves towards the direction of the track support plates under the pushing of the air cylinder, the transmission plate is in sliding fit with the limiting frame, and the butt-joint inserting columns are inserted into the corresponding inserting hole plates, so that the gantry crane is stably installed;

and step five, reversely operating the step four, the step three, the step two and the step one when the gantry crane is disassembled.

The invention has the beneficial effects that:

1. according to the invention, the support frame is sleeved on the outer surfaces of the end parts of the two corresponding cross beam rails, the mounting plate is pushed to move in the vacant groove through the screw rotation of the butterfly bolt and the screw hole, the mounting plate moves more stably under the sliding fit of the guide block and the sliding groove, so that the positioning buckling block enters the buckling hole, the mounting of the two cross beam rails and the connecting beam is realized, the use of the gantry crane is more stable, and the use state is better;

2. according to the invention, the servo motor drives the bidirectional screw rod to rotate in the mounting groove, the bidirectional screw rod is in threaded connection with the sliding seat, so that the sliding seat is displaced and slides in a limiting manner with the limiting rod, the sliding seat is ensured to rotate along with the bidirectional screw rod, the servo motor rotates forwards and reversely, the two supporting blocks are close to or away from each other, the distance between the two supporting blocks is changed, the device is suitable for hoisting and mounting gantry cranes with different widths, the application range of the device is improved, and the applicability is higher;

3. according to the invention, when a gantry crane is installed, a track support plate and a track are arranged in a rolling manner, two upright posts are installed on the top surface of the track support plate, an assembled beam rail, a connecting beam and a lifting seat are installed into an adjusting support assembly, the lifting plate is lifted by a lifting frame, so that the bottom surface of the beam rail is higher than the top surface of the upright posts, a base is designed into a movable structure, the assembled beam rail, the connecting beam and the lifting seat are transferred between the two track support plates, the alignment of butt-joint insertion posts and hole sites of an insertion hole plate is ensured, a cylinder pushes a driving plate to move towards the direction of the track support plate, the driving plate is in sliding fit with a limiting frame, the driving plate is limited by a blocking plate, the butt-joint insertion posts are inserted into the corresponding insertion hole plates, the stable installation of the gantry crane is conveniently realized, the height of the lifting frame is slowly reduced, and the assembled beam rail, the connecting beam and the lifting seat are located on the top surfaces of the upright posts, so that the assembly operation of the gantry crane is convenient.

Drawings

FIG. 1 is a schematic structural view of a gantry crane and a lifting platform for mounting and dismounting the gantry crane of the invention;

FIG. 2 is an exploded view of the support frame, the cross beam rail and the connecting beam of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 2;

FIG. 4 is a schematic view of the connection of the retaining button and the butterfly bolt of the present invention;

FIG. 5 is a schematic view of the support block and strap connection of the present invention;

FIG. 6 is a schematic view of the positioning mechanism of the present invention;

in the figure: 1-a track; 2-a rail bracket plate; 3-upright post; 4-beam rail; 5-connecting the beams; 6-lifting the lifting seat; 7-supporting the sleeve frame; 8-a base; 9-lifting frame; 10-a lifting plate; 11-a deck; 12-a support block; 13-locking groove; 14-a lock catch block; 15-buckling holes; 16-a butterfly bolt; 17-a matching section; 18-an empty slot; 19-a chute; 20-positioning the buckling block; 21-screw hole; 22-a mounting plate; 23-a guide block; 24-a gasket; 25-mounting grooves; 26-a bidirectional screw; 27-a slide; 28-grooves; 29-a limiting rod; 30-a connecting plate; 31-a cylinder; 32-a limit frame; 33-a drive plate; 34-a barrier plate; 35-butt joint of inserting columns; 36-a receptacle plate;

the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.

Detailed Description

The invention is further illustrated by the following examples in conjunction with the accompanying drawings:

as shown in fig. 1-6, a gantry crane includes two parallel beam rails 4, two columns 3 are mounted on the bottom surface of each beam rail 4, a connecting beam 5 is mounted between the two beam rails 4, two end surfaces of the connecting beam 5 are respectively provided with a locking block 14, the inner wall of each beam rail 4 is provided with a locking groove 13 which is in splicing fit with the locking block 14, and the outer portions of the two beam rails 4 are jointly connected with the same hoisting base 6 in a rolling manner.

The supporting sleeve frame 7 is sleeved between the two cross beam rails 4 and the connecting beam 5 in a matching mode, buckling holes 15 are formed in the end portions of the inner walls of the cross beam rails 4, matching portions 17 matched with the cross beam rails 4 in use are formed in the inner walls of the matching portions 17, sliding grooves 19 are formed in the inner walls of the sliding grooves 18, mounting plates 22 are mounted inside the sliding grooves 18, guide blocks 23 in sliding fit with the sliding grooves 19 are arranged at the end portions of the mounting plates 22, positioning buckling blocks 20 matched with the buckling holes 15 in use are mounted on the surface of one side of each mounting plate 22, screw holes 21 communicated with the corresponding buckling holes 18 are formed in the surface of the outer wall of each supporting sleeve frame 7, butterfly bolts 16 are connected to the inner threads of the screw holes 21, and the end portions of the butterfly bolts 16 are connected with the surface of the other side of the mounting plates 22 in a rotating mode.

All install track mounting panel 2 on the bottom surface of two stands 3, the bottom sliding fit of track mounting panel 2 has the track 1 of installing subaerial, and installs socket plate 36 on the bottom surface of track mounting panel 2.

The hoisting seat 6 rolls to enter between the two cross beam rails 4, the lock catch grooves 13 on the two cross beam rails 4 are in plug fit with the lock catch blocks 14 on the connecting beam 5, the two support sleeve frames 7 are respectively sleeved on the outer surfaces of the end parts of the two corresponding cross beam rails 4, the matching part 17 enters the end parts of the cross beam rails 4, then the butterfly bolts 16 are rotationally shifted, the butterfly bolts 16 and the screw holes 21 rotate in a threaded manner and simultaneously push the mounting plate 22 to move in the vacant grooves 18, under the sliding fit of the guide blocks 23 and the sliding grooves 19, the mounting plate 22 moves more stably, so that the positioning catch blocks 20 enter the catch holes 15, the mounting of the two cross beam rails 4 and the connecting beam 5 is realized, the gantry crane is more stable in use, and the using state is better.

A lifting platform for mounting and dismounting a gantry crane comprises a lifting plate 10 used for lifting, sleeve plates 11 are fixedly mounted at two ends of the top surface of the lifting plate 10, an adjusting and supporting assembly used for supporting and hoisting the gantry crane is slidably mounted on the top surface of the sleeve plates 11, the adjusting and supporting assembly comprises two supporting blocks 12 in an L-shaped structure, a sliding seat 27 is mounted on the bottom surface of each supporting block 12, a mounting groove 25 corresponding to the sliding seat 27 is formed in the top surface of each sleeve plate 11, a groove 28 communicated with the mounting groove 25 is formed in the bottom surface of each sleeve plate 11, a limiting rod 29 in the horizontal direction is mounted inside the groove 28, the sliding seat 27 is slidably arranged on the limiting rod 29 in the mounting groove 25, and a power mechanism used for driving the sliding seat 27 to slide is arranged on each sleeve plate 11; the power mechanism comprises a bidirectional screw rod 26 which is rotatably connected in the mounting groove 25, a servo motor for driving the bidirectional screw rod 26 to rotate is mounted on the outer wall of the sleeve plate 11, and the sliding seat 27 is in threaded connection with the bidirectional screw rod 26; the top surface of the supporting block 12 is provided with a gasket 24.

The assembled beam rail 4, the connecting beam 5 and the lifting seat 6 are arranged in the adjusting and supporting assembly, the two supporting blocks 12 are close to or far away from each other due to forward rotation and reverse rotation of the servo motor, the use scenes under different states are met, the device is suitable for lifting and mounting of gantry cranes with different widths, the use range of the device is expanded, and the applicability is higher.

The bottom surface of the lifting plate 10 is hinged with a lifting frame 9, the bottom of the lifting frame 9 is connected with a base 8, the bottom of the lifting frame 9 is hinged in the inner cavity of the base 8, and two groups of positioning mechanisms connected with the jack plate 36 are arranged on the bottom surface of the inner cavity of the base 8; the positioning mechanism comprises two connecting plates 30, wherein an air cylinder 31 is installed on the bottom surface of one connecting plate 30, a blocking plate 34 is fixedly connected to the end portion of a piston rod of the air cylinder 31, a transmission plate 33 is connected to the surface of the blocking plate 34, a limiting frame 32 in sliding fit with the transmission plate 33 is installed on the bottom surface of the other connecting plate 30, the blocking plate 34 is used for blocking the transmission plate 33, and a butt-joint insertion column 35 in plug-in fit with an insertion hole plate 36 is installed on the surface of the transmission plate 33.

When the gantry crane is installed, the track support plate 2 and the track 1 are arranged in a rolling mode, two upright posts 3 are installed on the top surface of the track support plate 2, the assembled beam rail 4, the connecting beam 5 and the lifting seat 6 are installed into the adjusting support assembly, the lifting plate 10 is lifted by the lifting frame 9, the bottom surface of the beam rail 4 is higher than the top surface of the upright posts 3, the base 8 is designed into a movable structure, the assembled beam rail 4, the connecting beam 5 and the lifting seat 6 are transferred between the two track support plates 2, it is guaranteed that hole positions of the butt-joint inserting posts 35 and the hole inserting plates 36 are aligned, the air cylinder 31 pushes the transmission plate 33 to move towards the track support plate 2, the transmission plate 33 is in sliding fit with the limiting frame 32 and limited to the transmission plate 33 by the blocking plate 34, the butt-joint inserting posts 35 are inserted into the corresponding hole inserting plates 36, stable installation of the gantry crane is convenient to achieve, the height of the gantry crane 9 is slowly reduced, and the assembled beam rail 4, the connecting beam 5 and the lifting seat 6 fall on the top surface of the upright posts 3, and assembly operation of the lifting frame is convenient.

A use method of a lifting platform for installing and disassembling a gantry crane comprises the following steps:

firstly, when a gantry crane is installed, firstly, two upright posts 3 are installed on the top surface of a track support plate 2, wherein the track support plate 2 and a track 1 are arranged in a rolling manner;

step two, the hoisting seat 6 rolls into the two beam rails 4, the two beam rails 4 and the connecting beam 5 are spliced, the two supporting sleeve frames 7 are respectively sleeved at the end parts of the two corresponding beam rails 4, the mounting plate 22 is driven to directionally move in the vacant slot 18 while the butterfly bolt 16 is rotationally shifted, and the positioning buckle block 20 enters the buckle hole 15;

step three, the assembled beam rail 4, the connecting beam 5 and the lifting seat 6 are arranged on the supporting block 12 of the adjusting and supporting component and are fastened and fixed, and then the lifting plate 10 is lifted by the lifting frame 9, so that the bottom surface of the beam rail 4 is higher than the top surface of the upright post 3;

step four, the base 8 reaches between the two track support plates 2, the driving plate 33 moves towards the track support plates 2 under the pushing of the air cylinder 31, the driving plate 33 is in sliding fit with the limiting frame 32, and the butt-joint inserting columns 35 are inserted into the corresponding inserting hole plates 36, so that the gantry crane is stably installed;

and step five, reversely operating the step four, the step three, the step two and the step one when the gantry crane is disassembled.

When the device is used, the servo motor drives the bidirectional screw rod 26 to rotate in the mounting groove 25, the bidirectional screw rod 26 is in threaded connection with the sliding seat 27, the sliding seat 27 is enabled to displace and to perform limiting sliding with the limiting rod 29, the sliding seat 27 is guaranteed to rotate along with the bidirectional screw rod 26, and the servo motor rotates forwards and reversely, so that the two supporting blocks 12 are close to or far away from each other, the distance between the two supporting blocks 12 is changed, the device is suitable for hoisting and mounting of gantry cranes with different widths, the use range of the device is expanded, and the device is higher in applicability;

the mounting plate 22 is pushed to move in the vacant groove 18 through the threaded rotation of the butterfly bolt 16 and the screw hole 21, the mounting plate 22 moves more stably under the sliding fit of the guide block 23 and the sliding groove 19, so that the positioning buckle block 20 enters the buckle hole 15, the mounting of the two beam rails 4 and the support sleeve frame 7 is realized, the gantry crane is more stable to use, and the using state is better;

when the gantry crane is installed, the track support plate 2 and the track 1 are arranged in a rolling mode, two upright posts 3 are installed on the top surface of the track support plate 2, the assembled beam rail 4, the connecting beam 5 and the lifting seat 6 are installed into the adjusting support assembly, the lifting plate 10 is lifted by the lifting frame 9, the bottom surface of the beam rail 4 is higher than the top surface of the upright posts 3, the base 8 is designed into a movable structure, the assembled beam rail 4, the connecting beam 5 and the lifting seat 6 are transferred between the two track support plates 2, it is guaranteed that hole positions of the butt-joint inserting posts 35 and the hole inserting plates 36 are aligned, the air cylinder 31 pushes the transmission plate 33 to move towards the track support plate 2, the transmission plate 33 is in sliding fit with the limiting frame 32 and limited to the transmission plate 33 by the blocking plate 34, the butt-joint inserting posts 35 are inserted into the corresponding hole inserting plates 36, stable installation of the gantry crane is convenient to achieve, the height of the gantry crane 9 is slowly reduced, and the assembled beam rail 4, the connecting beam 5 and the lifting seat 6 fall on the top surface of the upright posts 3, and assembly operation of the lifting frame is convenient.

The gantry crane has high structural stability and convenient assembly and disassembly, and the assembly and disassembly lifting platform is suitable for the lifting and the installation of gantry cranes with different widths, is suitable for different use scenes, improves the use range of the device and has higher applicability.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The invention has been described in connection with the accompanying drawings, it is to be understood that the invention is not limited to the specific embodiments disclosed, but is intended to cover various modifications, adaptations or uses of the invention, and all such modifications and variations are within the scope of the invention.

Claims (9)

1. The utility model provides a gantry crane, a serial communication port, crossbeam rail (4) including two parallel arrangement, all install two stand (3) on the bottom surface of every crossbeam rail (4), install tie-beam (5) between two crossbeam rails (4), and the common roll connection in outside of two crossbeam rails (4) has same lifting seat (6), it is equipped with support cover frame (7) to match the cover between two crossbeam rails (4) and tie-beam (5), all install track mounting plate (2) on the bottom surface of two stand (3), the bottom sliding fit of track mounting plate (2) has and installs track (1) subaerial, and install jack plate (36) on the bottom surface of track mounting plate (2).

2. The gantry crane according to claim 1, wherein the two end faces of the connecting beam (5) are respectively provided with a locking block (14), and the inner wall of the beam rail (4) is provided with a locking groove (13) which is matched with the locking block (14) in an inserting manner.

3. The gantry crane according to claim 2, wherein a fastening hole (15) is formed in the end portion of the inner wall of the beam rail (4), a matching portion (17) matched with the beam rail (4) for use is formed in the inner wall of the support sleeve frame (7), a vacant slot (18) is formed in the matching portion (17), a sliding slot (19) is formed in the inner wall of the vacant slot (18), a mounting plate (22) is mounted in the vacant slot (18), a guide block (23) in sliding fit with the sliding slot (19) is arranged at the end portion of the mounting plate (22), a positioning fastening block (20) matched with the fastening hole (15) for use is mounted on the surface of one side of the mounting plate (22), a screw hole (21) communicated with the vacant slot (18) is formed in the surface of the outer wall of the support sleeve frame (7), a butterfly bolt (16) is connected to the internal thread of the mounting plate (21), and the end portion of the butterfly bolt (16) is rotatably connected to the surface of the other side of the mounting plate (22).

4. The lifting platform for installing and disassembling the gantry crane according to claim 3, which comprises a lifting plate (10) used for lifting, sleeve plates (11) are fixedly installed at two ends of the top surface of the lifting plate (10), an adjusting and supporting component used for supporting and lifting the gantry crane is slidably installed on the top surface of the sleeve plates (11), a lifting frame (9) is hinged to the bottom surface of the lifting plate (10), the bottom of the lifting frame (9) is connected with a base (8), the bottom of the lifting frame (9) is hinged into an inner cavity of the base (8), and two sets of positioning mechanisms connected with the jack plates (36) are arranged on the bottom surface of the inner cavity of the base (8).

5. The lifting platform for installing and disassembling the gantry crane according to claim 4, wherein the adjusting and supporting assembly comprises two supporting blocks (12) with L-shaped structures, a sliding seat (27) is installed on the bottom surface of each supporting block (12), an installation groove (25) corresponding to the sliding seat (27) is formed in the top surface of the sleeve plate (11), a groove (28) communicated with the installation groove (25) is formed in the bottom surface of the sleeve plate (11), a limiting rod (29) in the horizontal direction is installed inside the groove (28), the sliding seat (27) is slidably arranged on the limiting rod (29) in the installation groove (25), and a power mechanism for driving the sliding seat (27) to slide is arranged on the sleeve plate (11).

6. The lifting platform for installing and disassembling the gantry crane according to claim 5, wherein the power mechanism comprises a bidirectional screw (26) rotatably connected in the installation groove (25), a servo motor for driving the bidirectional screw (26) to rotate is installed on the outer wall of the sleeve plate (11), and the sliding base (27) is in threaded connection with the bidirectional screw (26).

7. The lifting platform for installing and disassembling the gantry crane according to claim 6, wherein the top surface of the supporting block (12) is provided with a gasket (24) in a fitting manner.

8. The lifting platform for installing and disassembling the gantry crane according to claim 7, wherein the positioning mechanism comprises two connecting plates (30), a cylinder (31) is installed on the bottom surface of one of the connecting plates (30), a blocking plate (34) is fixedly connected to the end of a piston rod of the cylinder (31), a transmission plate (33) is connected to the surface of the blocking plate (34), a limiting frame (32) in sliding fit with the transmission plate (33) is installed on the bottom surface of the other connecting plate (30), the blocking plate (34) is used for blocking the transmission plate (33), and a butt-joint insertion column (35) in insertion fit with the insertion hole plate (36) is installed on the surface of the transmission plate (33).

9. The use method of the lifting platform for installing and disassembling the gantry crane according to claim 8, characterized by comprising the following steps:

firstly, when a gantry crane is installed, firstly, two upright posts (3) are installed on the top surface of a track support plate (2), wherein the track support plate (2) and a track (1) are arranged in a rolling manner;

step two, the hoisting seat (6) rolls into the two cross beam rails (4), the two cross beam rails (4) and the connecting beam (5) are arranged in an inserted manner, the two supporting sleeve frames (7) are respectively sleeved at the end positions corresponding to the two cross beam rails (4), the mounting plate (22) is driven to directionally move in the vacant groove (18) while the butterfly bolt (16) is rotationally shifted, and the positioning buckle block (20) enters the buckle hole (15);

step three, the assembled beam rail (4), the connecting beam (5) and the lifting seat (6) are arranged on the supporting block 12 of the adjusting and supporting component and are fastened and fixed, and then the lifting frame (9) lifts the lifting plate (10) to enable the bottom surface of the beam rail (4) to be higher than the top surface of the upright post (3);

fourthly, the base (8) reaches a position between the two track support plates (2), the transmission plate (33) moves towards the track support plates (2) under the pushing of the air cylinder (31), the transmission plate (33) is in sliding fit with the limiting frame (32) and the butt-joint insertion column (35) is inserted into the corresponding insertion hole plate (36), and the stable installation of the gantry crane is achieved;

and step five, reversely operating the step four, the step three, the step two and the step one when the gantry crane is disassembled.

Images