CN115636342A

CN115636342A - Gantry crane suspension device

Info

Publication number: CN115636342A
Application number: CN202211276635.5A
Authority: CN
Inventors: 朱跃贤; 张瑞杰
Original assignee: Shandong Hengantai Heavy Machinery Co ltd
Current assignee: Shandong Hengantai Heavy Machinery Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-01-24
Anticipated expiration: 2042-10-18
Also published as: CN115636342B

Abstract

The invention discloses a gantry crane suspension device which comprises a gantry hanger frame, wherein a longitudinal connecting frame is arranged below the gantry hanger frame, sliding side grooves are formed in the upper portions of the middle parts of two sides of the gantry hanger frame, follow-up sliding blocks are connected inside the two sliding side grooves in a sliding mode, and one end of each follow-up sliding block is rotatably connected with a connecting lug. This portal crane linkage, through the setting of connecting bottom piece and No. two driving motor, drive the transmission screw through No. two driving motor and rotate, through the meshing of transmission screw and connecting thread groove, the drive is connected the bottom piece and is removed, through connecting the bottom piece, dress board and connection lifting hook longitudinal movement in the drive, and then can be when hanging the material, drive whole wind-up roll and remove, make and connect the hanger plate and be in the wind-up roll all the time under, thereby can make the both sides atress of gantry crane frame and wind-up roll even, thereby prevent the wind-up roll slope, guarantee portal crane frame and the transmission gyro wheel atress balance of both sides simultaneously, prevent to take place the skew damage.

Description

Gantry crane suspension device

Technical Field

The invention relates to the technical field of material handling, in particular to a gantry crane suspension device.

Background

A gantry crane is a variant of a bridge crane, also called portal crane. The device is mainly used for loading and unloading outdoor goods yards, stockyards and bulk goods. The metal structure of the device is like a door-shaped frame, two support legs are arranged under a bearing main beam and can directly walk on a track on the ground, and overhanging cantilever beams can be arranged at the two ends of the main beam.

In the prior art, for example, chinese patent application CN113697686a discloses a gantry crane suspension device, which comprises a cross frame, wherein the cross frame has an i-shaped cross section, and comprises a fixed plate, an intermediate plate connected to the fixed plate, and a suspension plate connected to the intermediate plate, and the width of the suspension plate is greater than the width of the intermediate plate; the lifting unit comprises a connecting piece and a hydraulic cylinder connected with the connecting piece, the connecting piece is provided with a first sliding groove, and the middle plate is embedded into the first sliding groove; the hydraulic cylinder is connected with a hanging unit.

However, in the prior art, the gantry crane used in the factory building moves the materials, if the length of the materials to be moved is greater than that of the gantry crane, the materials are stacked after being moved, and when the stacking direction of the materials is horizontal to the gantry crane, because the suspension device for suspending the materials is positioned under the gantry crane, the materials can be shielded on one side of the gantry crane, so that the steel cable for suspending is in an inclined state, the connection between the suspension device and the gantry crane is easy to cause uneven stress, one side abrasion can be increased, the applicability of the existing gantry crane is low, and only the materials with the moving length smaller than the width of the material can be suspended.

We have therefore proposed a gantry crane suspension system which addresses the problems set out above.

Disclosure of Invention

The invention aims to provide a gantry crane suspension device, which solves the problems that when a gantry crane used in a factory building moves materials, if the length of the materials to be moved is larger than that of the gantry crane, the materials are stacked after moving, and when the stacking direction of the materials is horizontal to the gantry crane, the materials are shielded on one side of the gantry crane due to the fact that the suspension device for suspending the materials is located right below the gantry crane, a steel cable for suspending is in an inclined state, the abrasion on one side of the connection part between the suspension device and the gantry crane is increased due to uneven stress, and the existing gantry crane is low in applicability and only can suspend the materials with the moving length smaller than the width of the gantry crane.

In order to achieve the purpose, the invention provides the following technical scheme: a gantry crane suspension device comprises a gantry hanger frame, a longitudinal connecting frame is arranged below the gantry hanger frame, sliding side grooves are respectively arranged above the middle parts of two sides of the gantry hanger frame, a follow-up sliding block is respectively and slidably connected inside the two sliding side grooves, one end of the follow-up sliding block is rotatably connected with a connecting lug, one side of the connecting lug is fixedly connected with a connecting end block, a sliding inner groove is arranged inside the connecting end block, connecting end holes are arranged on two sides of the upper end of the sliding inner groove in a penetrating manner, limiting bottom grooves are respectively arranged on two sides of the middle part of the lower end of the sliding inner groove, a triangular clamping column is slidably clamped inside the connecting end holes and the limiting bottom grooves, a sliding block is slidably connected with the middle part of the sliding inner groove, one end of the sliding block is fixedly connected with a hydraulic cylinder, the other ends of the two hydraulic cylinders are respectively and rotatably connected with two sides of the longitudinal connecting frame, sliding bottom grooves are respectively arranged on two sides of the lower end of the longitudinal connecting frame, a sliding bottom block is arranged below the longitudinal connecting frame, two sides of the connecting bottom blocks are respectively and fixedly connected with two sliding ends of a connecting bottom blocks, a screw driving motor, a screw is respectively and a second driving motor, a second driving motor is arranged on one side of the upper end of the longitudinal connecting bottom groove, and is connected with a second driving motor, and a second driving motor, a second motor, the second motor, and a second motor, the second motor is connected with the second motor, the connecting bottom block is driven to move, the loading plate and the connecting lifting hook are driven to longitudinally move through the connecting bottom block, so that the whole winding roller can be driven to move when materials are hung, the connecting lifting plate is always positioned under the winding roller, the stress on two sides of the gantry hanger and the winding roller is uniform, the winding roller is prevented from inclining, the stress balance between the gantry hanger and the transmission rollers on two sides is guaranteed, and the gantry hanger and the transmission rollers on two sides are prevented from being damaged by deviation.

Preferably, the middle lower part of gantry hanger both sides has all seted up the removal side channel, the equal fixedly connected with in both sides of indulging the link upper end connects the end plate, two the equal fixedly connected with installation curb plate in one side of connection end plate, two the both ends of installation curb plate one side all rotate and are connected with the drive roller, and the drive roller is located the inside that removes the side channel, and the extraction side channel has all been seted up to the middle part top of two triangular card post one sides, through the setting of connecting end plate and installation curb plate, can conveniently will indulge and dismantle between link and the gantry hanger.

Preferably, two equal fixedly connected with drive machine in one side of installation curb plate, two drive machine's output all with drive gyro wheel fixed connection, the drive gyro wheel is located the inside of removing the side channel, two the extraction side channel has all been seted up to the middle part top of triangular card post one side, and a drive machine is used for driving the drive gyro wheel and rotates, and through the rotation of drive gyro wheel, the cooperation removes the side channel, and the drive is indulged the link and is carried out lateral shifting.

Preferably, indulge the equal fixedly connected with side seal board in both ends of link, drive screw's both ends respectively with two the side seal board rotates to be connected, no. two drive motor fixed connection are in one of them one side middle part of side seal board, side seal board are used for carrying out the shutoff with the both ends of sliding bottom slot, play the effect that the bottom block was connected in the restriction and removes, prevent to connect bottom block displacement overlength, and with indulge the link and break away from the connection, can conveniently dismantle the bottom block of being connected simultaneously to the maintenance and the change of connecting the bottom block are convenient.

Preferably, the lower part of the connecting bottom block is provided with a middle mounting plate, the middle part of the upper end of the middle mounting plate is fixedly connected with an installation end frame, the equal fixedly connected with fixed bottom block at the lower end of the connecting bottom block is fixed with the installation end frame, the fixed bottom block is connected with the installation end frame through a bolt, and therefore the middle mounting plate and the winding roller are driven to move, and materials are driven to move.

Preferably, the equal fixedly connected with side dress frame in both ends of well dress board, two rotate between the dress frame and be connected with the wind-up roll, one of them the one end fixedly connected with rolling motor of side dress frame, rolling motor's output and the one end fixed connection of wind-up roll, rolling motor are used for driving the wind-up roll and rotate to the realization is to the rolling and the emission of rolling cable wire.

Preferably, the winding steel cable is wound on the outer side of the winding roller, two ends of the winding steel cable are respectively and fixedly connected to two sides of the outer surface of the winding roller, and the mode adopts a double-rope synchronous driving mode, so that transmission is more stable, and the stability of driving materials to move is improved.

Preferably, the middle part below fixedly connected with of well mounting plate one side links in, the inside middle part below of interior link rotates and is connected with the restriction pulley, the surface at the restriction pulley is hung at the middle part of rolling cable wire, and the restriction pulley is used for supporting the other end of rolling cable wire, forms annular confined transmission mode, can make the transmission more stable.

Preferably, the below of wind-up roll is provided with the connection hanger plate, the inside of connecting the hanger plate is rotated and is connected with the connecting pulley, rolling cable wire and connecting pulley sliding connection, the lower extreme middle part fixedly connected with of connecting pulley connects the lifting hook, and the quantity of connecting pulley is two for be connected with the rolling cable wire.

Preferably, one side of well dress board is provided with the side dress box, the equal fixedly connected with connecting plate in middle part both sides of side dress box one side, the other end and the well dress board fixed connection of connecting plate, the lower extreme fixedly connected with restriction chassis of side dress box, the one end of restriction chassis is located the top of connecting the hanger plate, and the maintenance work piece can be placed when the maintenance to the side dress box, can be convenient for maintain to facilitate the use, through the setting of restriction chassis, can restrict the rolling cable wire, prevent that the rolling cable wire winding is in the same place when using, in order to guarantee to connect the normal use of hanger plate.

Compared with the prior art, the invention has the beneficial effects that:

1. through the arrangement of the connecting bottom block and the second transmission motor, the second transmission motor drives the transmission screw rod to rotate, the transmission screw rod is meshed with the connecting thread groove to drive the connecting bottom block to move, and the mounting plate and the connecting lifting hook are driven to move longitudinally through the connecting bottom block, so that the whole winding roller can be driven to move when materials are suspended, the connecting hanging plate is always positioned under the winding roller, the two sides of the gantry hanging frame and the winding roller are uniformly stressed, the winding roller is prevented from inclining, the gantry hanging frame and the transmission rollers on the two sides are guaranteed to be balanced in stress, and the gantry hanging frame and the transmission rollers on the two sides are prevented from being deviated and damaged;

2. through the arrangement of the hydraulic cylinder, when the connecting bottom block moves to one side, the hydraulic cylinder on the other side extends out according to the stress on one side to support one side of the longitudinal connecting frame, so that the uniform stress of the transmission roller and the gantry hanger frame is ensured, one side is prevented from being stressed, the connection between the transmission roller and the moving side groove is deflected, and the problem of reduced stability is caused;

3. through the setting of rolling cable wire, adopt two rope synchronous drive's mode, can be so that the transmission is more stable, stability when increasing the drive material and removing, through the setting of side dress box, can place the maintenance work piece when the maintenance, the maintenance of can being convenient for to convenient to use through the setting of restriction chassis, can restrict the rolling cable wire, prevent that the winding cable wire is in the same place when using, in order to guarantee to connect the normal use of hanger plate.

Drawings

FIG. 1 is a schematic perspective view of a gantry crane suspension apparatus according to the present invention;

FIG. 2 is a schematic diagram of a rear side three-dimensional structure of a gantry crane suspension device according to the present invention;

FIG. 3 is an exploded view of a connection structure between a hydraulic cylinder and a follow-up slider in the gantry suspension apparatus of the present invention;

FIG. 4 is an exploded view of a connection structure between a vertical connection frame and a connection bottom block in the gantry suspension apparatus of the present invention;

FIG. 5 is a perspective view of a partial structure of a gantry crane suspension apparatus according to the present invention;

FIG. 6 is a schematic bottom view of a partial structure of a gantry crane suspension apparatus according to the present invention;

fig. 7 is an enlarged structural schematic view of an area a in fig. 6 of a gantry crane suspension device according to the present invention.

In the figure:

1. a gantry hanger; 2. moving the side groove; 3. a sliding side groove; 4. a longitudinal connecting frame; 5. installing a side plate; 6. a transmission roller; 7. a first transmission motor; 8. a follow-up slider; 9. connecting lugs; 10. a hydraulic cylinder; 11. a side sealing plate; 12. connecting the bottom block; 13. a middle mounting plate; 14. a winding motor; 15. a wind-up roll; 16. mounting an end frame; 17. side mounting; 18. side packing; 19. winding a steel cable; 20. a restraint chassis; 21. connecting the hanging plate; 22. connecting a pulley; 23. connecting a lifting hook; 24. a second transmission motor; 25. connecting the end block; 26. clamping a triangular prism; 27. a sliding inner groove; 28. a limiting bottom groove; 29. a connection end hole; 30. extracting the side groove; 31. a slider; 32. connecting the end plates; 33. a drive screw; 34. a sliding bottom groove; 35. a sliding bottom cavity; 36. connecting a sliding head; 37. a middle convex rod; 38. connecting the thread groove; 39. a connecting plate; 40. fixing the bottom block; 41. an inner connecting frame; 42. the pulley is restrained.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a portal crane linkage, including portal crane hanger 1, the below of portal crane hanger 1 is provided with vertical link 4, sliding side groove 3 has all been seted up to the middle part top at portal crane hanger 1 both sides, equal sliding connection has follow-up slider 8 in the inside of two sliding side grooves 3, the one end of follow-up slider 8 rotates and is connected with engaging lug 9, one side fixedly connected with of engaging lug 9 connects end block 25, sliding inner groove 27 has been seted up to the inside of connecting end block 25, sliding inner groove 27 has both sides through seting up connecting end hole 29 in the both sides of sliding inner groove 27 upper end, spacing kerve 28 has all been seted up to the both sides at sliding inner groove 27 lower extreme middle part, connecting end hole 29 has three burred card post 26 with the inside slip joint of spacing kerve 28, sliding connection has 31 in the middle part of sliding inner groove 27, the one end fixedly connected with pneumatic cylinder 10 of sliding inner groove 31, the other end of two pneumatic cylinders 10 rotates with the both sides of the upper end of vertical link 4 respectively, sliding bottom groove 34 has all been seted up in the both sides of vertical link 4, sliding end cavity 35 has been seted up in the lower extreme middle part of sliding connection 4, vertical link 12 has the bottom groove 35, the lower end is provided with the connecting end of the screw rod 33 of the fixed connection of the lead screw rod, the fixed connection 13, the lead screw drive end of the lead screw drive motor is connected with the fixed connection, the lead screw drive end of the lead screw connection 36, the lead screw connection 33, the lead screw drive end of the lead screw connection 33, the lead screw connection 33 is connected with the lead screw connection 36, the lead screw connection.

The working principle of the embodiment is as follows: through the arrangement of the connecting bottom block 12 and the second transmission motor 24, the second transmission motor 24 drives the transmission lead screw 33 to rotate, the transmission lead screw 33 is meshed with the connecting thread groove 38 to drive the connecting bottom block 12 to move, the connecting bottom block 12 drives the middle assembling plate 13 and the connecting lifting hook 23 to longitudinally move, so that the whole winding roller 15 can be driven to move when materials are suspended, the connecting hanging plate 21 is always positioned under the winding roller 15, the stress on two sides of the gantry hanger 1 and the winding roller 15 is uniform, the winding roller 15 is prevented from inclining, the stress balance between the gantry hanger 1 and the transmission rollers 6 on the two sides is ensured, the occurrence of offset damage is prevented, and meanwhile, through the arrangement of the hydraulic cylinder 10, when the connecting bottom block 12 moves to one side, according to the stress on one side, the hydraulic cylinder 10 on the other side extends out to support one side of the longitudinal connecting frame 4, so that the uniform stress of the transmission roller 6 and the gantry hanger 1 is ensured, the problem that the connection between the transmission roller 6 and the movable side groove 2 deflects to reduce the stability due to the stress on one side is solved, the sliding block 31 is limited by the triangular clamping columns 26, the sliding block 31 is connected with the sliding inner groove 27 in a sliding manner, the sliding block 31 can be conveniently detached and replaced, the follow-up sliding block 8 can be conveniently driven to move transversely and together with the longitudinal connecting frame 4 through the limitation of the triangular clamping columns 26, the longitudinal connecting frame 4 is ensured to move to any position, and the support and protection can be carried out;

meanwhile, as shown in fig. 1-4, moving side grooves 2 are formed in the lower middle portions of two sides of a gantry hanger 1, connecting end plates 32 are fixedly connected to two sides of the upper end of a longitudinal connecting frame 4, mounting side plates 5 are fixedly connected to one sides of the two connecting end plates 32, transmission rollers 6 are rotatably connected to two ends of one side of each mounting side plate 5, the transmission rollers 6 are located inside the moving side grooves 2, extraction side grooves 30 are formed in the upper middle portions of two sides of three-edge clamping columns 26, and the longitudinal connecting frame 4 and the gantry hanger 1 can be conveniently detached through arrangement of the connecting end plates 32 and the mounting side plates 5.

Meanwhile, as shown in fig. 1-2, one side of each of the two mounting side plates 5 is fixedly connected with a first transmission motor 7, the output ends of the two first transmission motors 7 are fixedly connected with the transmission roller 6, the first transmission motors 7 are used for driving the transmission roller 6 to rotate, and the transmission rollers 6 rotate to drive the longitudinal connecting frame 4 to move transversely in cooperation with the moving side grooves 2.

According to simultaneously figure 1, it is shown in figure 2 and figure 4, indulge the equal fixedly connected with side seal board 11 in both ends of link 4, the both ends of drive screw 33 rotate with two side seal boards 11 respectively and are connected, no. two drive motor 24 fixed connection are in one side middle part of one of them side seal board 11, side seal board 11 is used for carrying out the shutoff with the both ends of sliding bottom groove 34, play the effect that the restriction is connected the removal of bottom block 12, prevent to connect the overlength of bottom block 12 displacement, with indulge link 4 disconnection, can conveniently dismantle connecting bottom block 12 simultaneously, in order to conveniently to connect the maintenance and the change of bottom block 12.

Meanwhile, as shown in fig. 1, fig. 2, fig. 4 and fig. 5, a middle mounting plate 13 is arranged below the connecting bottom block 12, a mounting end frame 16 is fixedly connected to the middle of the upper end of the middle mounting plate 13, a fixed bottom block 40 is fixedly connected to the lower end of the connecting bottom block 12, the fixed bottom block 40 is fixed to the mounting end frame 16, and the fixed bottom block 40 is connected to the mounting end frame 16 through bolts, so that the mounting plate 13, the winding roller 15 and the like are driven to move, and the material is driven to move.

Meanwhile, as shown in fig. 1, fig. 2, fig. 5 and fig. 6, both ends of the middle mounting plate 13 are fixedly connected with side mounting frames 17, a winding roller 15 is rotatably connected between the two side mounting frames 17, one end of one of the side mounting frames 17 is fixedly connected with a winding motor 14, an output end of the winding motor 14 is fixedly connected with one end of the winding roller 15, and the winding motor 14 is used for driving the winding roller 15 to rotate, so that winding and unwinding of a winding steel cable 19 are realized.

Simultaneously according to shown in fig. 1, fig. 2, fig. 5 and fig. 6, the outside winding of wind-up roll 15 has rolling cable 19, and the both ends of rolling cable 19 are fixed connection respectively in the both sides of wind-up roll 15 surface, and this mode adopts two rope synchronous drive's mode, can make the transmission more stable, stability when increasing the drive material and remove.

Meanwhile, as shown in fig. 1, 2, 5, 6 and 7, an inner connecting frame 41 is fixedly connected to the lower portion of the middle portion of one side of the middle mounting plate 13, a limiting pulley 42 is rotatably connected to the lower portion of the middle portion of the inner connecting frame 41, the middle portion of the winding steel cable 19 is hung on the outer surface of the limiting pulley 42, and the limiting pulley 42 is used for supporting the other end of the winding steel cable 19 to form an annular closed transmission mode, so that the transmission is more stable.

Meanwhile, as shown in fig. 1, 2, 5, 6 and 7, a connecting hanging plate 21 is arranged below the winding roller 15, a connecting pulley 22 is rotatably connected inside the connecting hanging plate 21, the winding steel cable 19 is slidably connected with the connecting pulley 22, a connecting hook 23 is fixedly connected to the middle of the lower end of the connecting pulley 22, the number of the connecting pulleys 22 is two, and the connecting pulley is used for being connected with the winding steel cable 19, a side packing box 18 is arranged on one side of the middle mounting plate 13, connecting plates 39 are fixedly connected to both sides of the middle of one side of the side packing box 18, the other end of each connecting plate 39 is fixedly connected with the middle mounting plate 13, a limiting bottom frame 20 is fixedly connected to the lower end of the side packing box 18, one end of the limiting bottom frame 20 is located above the connecting hanging plate 21, the side packing box 18 can be used for placing maintenance workpieces during maintenance, so that the maintenance is convenient to use, the winding steel cable 19 can be limited by the arrangement of the limiting bottom frame 20, and the winding steel cable 19 is prevented from being wound together during use, so that the normal use of the connecting hanging plate 21 is ensured.

The working principle is as follows: when the lifting device is used, the first transmission motor 7 is started to drive the transmission roller 6 to rotate, the longitudinal connecting frame 4 is moved to the middle of the gantry hanger 1, then the winding motor 14 is started, the second transmission motor 24 is started to drive the transmission screw 33 to perform hybrid motion according to the thickness of a material, the connecting bottom block 12 is moved to one side, the winding roller 15 rotates to discharge the winding steel cable 19 to enable the connecting hook 23 to fall down, the material to be hung is connected with the connecting hook 23, then the winding motor 14 rotates reversely, the winding roller 15 winds the winding steel cable 19 to lift the material, when the material gradually rises, the stress degree of one side of the longitudinal connecting frame 4 gradually rises, at the moment, the hydraulic cylinder 10 on the opposite side of the longitudinal connecting frame 4 is stretched out, the hydraulic cylinder 10 on the same side with the stress position shrinks, the longitudinal connecting frame 4 is kept in the horizontal position, after the material is moved to the proper position, the winding motor 14 rotates again to drop the material to stack the material, when the sliding block 31 and the connecting finger 25 are disassembled, the sliding block 31 can be taken out from the connecting side groove 30, and the sliding block 27 can be taken out along with the sliding block.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a portal crane linkage, includes portal crane gallows (1), its characterized in that: a longitudinal connecting frame (4) is arranged below the gantry hanger (1), sliding side grooves (3) are respectively formed in the upper portions of the middle portions of the two sides of the gantry hanger (1), a follow-up sliding block (8) is respectively connected in the sliding side grooves (3) in a sliding mode, one end of the follow-up sliding block (8) is rotatably connected with a connecting lug (9), a connecting end block (25) is fixedly connected to one side of the connecting lug (9), a sliding inner groove (27) is formed in the connecting end block (25), connecting end holes (29) are formed in the two sides of the upper end of the sliding inner groove (27) in a penetrating mode, limiting bottom grooves (28) are respectively formed in the two sides of the middle portion of the lower end of the sliding inner groove (27), triangular clamping columns (26) are connected with the connecting end holes (29) in a sliding mode in the inner sliding mode of the limiting bottom grooves (28), a sliding block (31) is connected in the middle portion of the sliding inner groove (27) in a sliding mode, a hydraulic cylinder (10) is fixedly connected to one end of the sliding block (31), the other ends of the two hydraulic cylinders (10) are respectively rotatably connected with the longitudinal connecting frame (4) on the two sides, a sliding side of the lower end of the longitudinal connecting frame (4), a sliding side of the longitudinal connecting frame (35) is formed in a sliding frame (12), connect equal fixedly connected with in both sides of bottom brick (12) upper end and connect slippery fellow (36), connect middle part fixedly connected with well nose bar (37) of bottom brick (12) upper end, connect thread groove (38), two have been seted up to the upper end of well nose bar (37) connect slippery fellow (36) respectively with two slip kerve (34) slip joint, the inside of slip kerve (35) is provided with drive screw (33), it is provided with No. two drive motor (24) to indulge one side of link (4), the output of No. two drive motor (24) and the one end fixed connection of drive screw (33), connect thread groove (38) and drive screw (33) meshing.

2. The gantry crane suspension apparatus of claim 1, wherein: the gantry crane is characterized in that moving side grooves (2) are formed in the lower middle portions of two sides of the gantry crane (1), connecting end plates (32) are fixedly connected to two sides of the upper end of the longitudinal connecting frame (4), mounting side plates (5) are fixedly connected to one sides of the connecting end plates (32), and transmission rollers (6) are rotatably connected to two ends of one side of each mounting side plate (5).

3. The gantry crane suspension device according to claim 2, wherein: two equal fixedly connected with drive machine (7) in one side of installation curb plate (5), two the output of drive machine (7) all with drive gyro wheel (6) fixed connection, drive gyro wheel (6) are located the inside of removing side channel (2), two extraction side channel (30) have all been seted up to the middle part top of triangular card post (26) one side.

4. The gantry crane suspension apparatus of claim 1, wherein: the two ends of the longitudinal connecting frame (4) are fixedly connected with side sealing plates (11), the two ends of the transmission lead screw (33) are respectively connected with the two side sealing plates (11) in a rotating mode, and the second transmission motor (24) is fixedly connected to the middle of one side sealing plate (11).

5. The gantry crane suspension apparatus of claim 1, wherein: the lower part of the connecting bottom block (12) is provided with a middle mounting plate (13), the middle part of the upper end of the middle mounting plate (13) is fixedly connected with a mounting end frame (16), the equal fixedly connected with fixing bottom block (40) at the lower end of the connecting bottom block (12) is fixed with the mounting end frame (16).

6. The gantry crane suspension apparatus of claim 5, wherein: the equal fixedly connected with side dress frame (17) in both ends of well dress board (13), two it is connected with wind-up roll (15), one of them to rotate between side dress frame (17) the one end fixedly connected with winding motor (14) of side dress frame (17), the output of winding motor (14) and the one end fixed connection of wind-up roll (15).

7. The gantry crane suspension apparatus of claim 6, wherein: and a winding steel cable (19) is wound on the outer side of the winding roller (15), and two ends of the winding steel cable (19) are respectively and fixedly connected to two sides of the outer surface of the winding roller (15).

8. The gantry crane suspension apparatus of claim 7, wherein: an inner connecting frame (41) is fixedly connected to the lower portion of the middle portion of one side of the middle mounting plate (13), a limiting pulley (42) is rotatably connected to the lower portion of the middle portion of the inner connecting frame (41), and the middle portion of the winding steel cable (19) is hung on the outer surface of the limiting pulley (42).

9. The gantry crane suspension apparatus of claim 7, wherein: the winding device is characterized in that a connecting hanging plate (21) is arranged below the winding roller (15), the connecting hanging plate (21) is rotatably connected with a connecting pulley (22), a winding steel cable (19) is connected with the connecting pulley (22) in a sliding manner, and the middle of the lower end of the connecting pulley (22) is fixedly connected with a connecting lifting hook (23).

10. The gantry crane suspension apparatus of claim 7, wherein: one side of the middle loading plate (13) is provided with a side loading box (18), two sides of the middle of one side of the side loading box (18) are fixedly connected with a connecting plate (39), the other end of the connecting plate (39) is fixedly connected with the middle loading plate (13), the lower end of the side loading box (18) is fixedly connected with a limiting underframe (20), and one end of the limiting underframe (20) is located above the connecting hanging plate (21).