CN212559175U - Gantry crane with anti-collision structure - Google Patents

Abstract

The utility model discloses a gantry crane with anticollision structure, including the crossbeam, the supporting leg is installed through the bolt in the bottom of crossbeam, one side of supporting leg is provided with crashproof structure one, the bottom of supporting leg is installed and is removed the wheel, one side that the supporting leg is close to crossbeam one end is provided with crashproof structure two, crashproof structure one and crashproof structure two all include the fixed block, one side of fixed block is provided with the buffer board, one side of buffer board is provided with the buffer layer, the opposite side of buffer board is fixed with the inserted bar, one side of fixed block is opened there is the spacing groove, the one end welding of inserted bar has the limiting plate, and the limiting plate is located the inside of spacing groove, be provided with compression spring between limiting plate and the spacing groove, the bottom. The utility model discloses can play the guard action to supporting leg and hoisting structure, the buffer layer can prevent that the contact from taking place to damage the phenomenon, improves the protection when using to gantry crane, stability when improving crashproof structure and using.

Description

Gantry crane with anti-collision structure

Technical Field

The utility model relates to a gantry crane technical field especially relates to a gantry crane with anticollision structure.

Background

The gantry crane is a variant of a bridge crane and is also called a gantry crane. The device is mainly used for loading and unloading outdoor goods yards, stockyards and bulk goods. The portal crane has the characteristics of high site utilization rate, large operation range, wide application range, strong universality and the like, and is widely used in port goods yards. 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.

Portal crane among the prior art plays the guard action to supporting leg and hoisting structure when can not be fine, damages easily when the contact bumps, and the protection when using portal crane is less, and the stability when crashproof structure uses is relatively poor.

Therefore, it is desirable to design a gantry crane with a crash-proof structure to solve the above problems.

Disclosure of Invention

The utility model aims at solving the problem that the existing portal crane has the protection function on the supporting leg and the hoisting structure when the existing portal crane cannot be fine, the contact object is easy to be damaged when colliding, the protection when the portal crane is used is small, the stability when the anti-collision structure is used is poor, and the proposed portal crane with the anti-collision structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a gantry crane with anticollision structure, includes the crossbeam, the supporting leg is installed through the bolt in the bottom of crossbeam, one side of supporting leg is provided with anticollision structure one, the removal wheel is installed to the bottom of supporting leg, one side that the supporting leg is close to crossbeam one end is provided with anticollision structure two, anticollision structure one and anticollision structure two all include the fixed block, one side of fixed block is provided with the buffer board, one side of buffer board is provided with the buffer layer, the opposite side of buffer board is fixed with the inserted bar, open one side of fixed block has the spacing groove, the one end welding of inserted bar has the limiting plate, and the limiting plate is located the inside of spacing groove, be provided with compression spring between limiting plate and the spacing groove, the bottom of crossbeam is provided with lifts by crane the structure, the bottom of lifting by crane the structure is provided with limit structure.

The key concept of the technical scheme is as follows: the buffer layer can prevent the contact from being damaged, and the protection of the gantry crane during use is improved.

Furthermore, the hoisting structure comprises a fixing frame, a speed reduction motor is installed on one side of the fixing frame through a bolt, an output shaft of the speed reduction motor is rotatably connected with a winding roller, and the winding roller is located inside the fixing frame.

Furthermore, the outer wall of the winding roller is wound with a steel wire rope, one end of the steel wire rope is provided with a lifting hook, the bottom of the fixing frame is provided with a rectangular hole, and the steel wire rope is located inside the rectangular hole.

Furthermore, limit structure includes two fixed plates, and two fixed plates are fixed respectively in the bottom both sides of mount, positive and negative motor is installed through the bolt in one side of fixed plate.

Furthermore, a limiting block is arranged between the two fixing plates, a limiting hole is formed in the top of the limiting block, and the steel wire rope is located in the limiting hole.

Furthermore, a threaded hole is formed in one side of the limiting block, a threaded rod is connected to the output shaft of the forward and reverse rotating motor in a rotating mode, and threads of the threaded rod are arranged in the threaded hole.

Furthermore, a guide rod is fixed between the two fixing plates, a guide hole is formed in one side of the limiting block, and the limiting block slides on the guide rod through the guide hole.

The utility model has the advantages that:

1. through the crashproof structure I and the crashproof structure II that set up, the compression spring of crashproof structure I and crashproof structure II inside can play cushioning effect and supporting leg and the cushioning effect of lifting by crane the structure emergence collision when bumping the supporting leg of gantry crane respectively, and the buffer layer in the crashproof structure further plays cushioning effect, and the buffer layer can prevent that the contact from taking place the damage phenomenon simultaneously, improves the protection when using gantry crane.

2. Through the limit structure who sets up, the just reverse motor of limit structure one end drives the threaded rod and rotates and can drive the stopper and remove about in the threaded hole, leads when can going up and down wire rope through spacing hole on the limiting plate, prevents that wire rope wound form from taking place the dislocation phenomenon, the regularity nature when improving the wire rope rolling.

3. Through the spacing groove and the limiting plate that set up, the stopper passes through grafting pole sliding connection in the inside of spacing groove, and the spacing groove can carry on spacingly to the stopper, and the spacing groove prevents that the stopper from taking place the skew when removing, improves the stability of the grafting pole of stopper one end when using, further improves the stability when crashproof structure uses.

4. Through guide bar and the guide bar that sets up, the guide bar is pegged graft in the inside of guiding hole, and the stopper passes through the guiding hole and slides on the guide bar, and the guide bar can carry on spacingly to the stopper, prevents that the stopper from removing and takes place the skew when removing, improves the stability when the stopper uses and removes.

Drawings

Fig. 1 is a schematic view of an overall structure of a gantry crane with an anti-collision structure according to the present invention;

fig. 2 is a schematic view of an anti-collision structure of a gantry crane with an anti-collision structure provided by the present invention;

fig. 3 is a schematic structural view of a wind-up roll of a gantry crane with an anti-collision structure provided by the present invention;

fig. 4 is the utility model provides a gantry crane's limit structure schematic diagram with anticollision structure.

In the figure: the device comprises a cross beam 1, supporting legs 2, a moving wheel 3, a lifting structure 4, a collision structure I5, a collision structure II 6, a fixed block 7, a buffer plate 8, a buffer layer 9, an insertion rod 10, a limiting groove 11, a limiting plate 12, a compression spring 13, a fixing frame 14, a speed reduction motor 15, a winding roller 16, a steel wire rope 17, a lifting hook 18, a rectangular hole 19, a limiting structure 20, a fixed plate 21, a motor 22 for forward and reverse rotation, a limiting block 23, a limiting hole 24, a threaded hole 25, a threaded rod 26, a guide rod 27 and a guide hole 28.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, a gantry crane with an anti-collision structure comprises a beam 1, a supporting leg 2 is mounted at the bottom of the beam 1 through a bolt, an anti-collision structure I5 is arranged on one side of the supporting leg 2, a compression spring 13 inside the anti-collision structure I5 can buffer the supporting leg 2 of the gantry crane when colliding, a moving wheel 3 is mounted at the bottom of the supporting leg 2, an anti-collision structure II 6 is arranged on one side of the supporting leg 2 close to one end of the beam 1, the compression spring 13 inside the anti-collision structure II 6 can buffer the collision of the supporting leg 2 and a lifting structure 4 when the lifting structure 4 moves left and right, the anti-collision structure I5 and the anti-collision structure II 6 both comprise a fixed block 7, a buffer plate 8 is arranged on one side of the fixed block 7, a buffer layer 9 is arranged on one side of the buffer plate 8, and the buffer layer 9 further, meanwhile, the buffer layer 9 can prevent the contact object from being damaged, the protection of the gantry crane during use is improved, the inserting rod 10 is fixed on the other side of the buffer plate 8, the limiting groove 11 is arranged on one side of the fixing block 7, the limiting plate 12 is welded at one end of the inserting rod 10, and limiting plate 12 is located the inside of spacing groove 11, spacing groove 11 can carry out spacing to limiting block 12, spacing groove 11 prevents that limiting block 12 from taking place the skew when removing, improve the stability of inserted link 10 of limiting block 12 one end when using, further improve the stability when crashproof structure uses, be provided with compression spring 13 between limiting plate 12 and the spacing groove 11, the bottom of crossbeam 1 is provided with hoisting structure 4, hoisting structure 4's bottom is provided with limit structure 20, limit structure 20 can prevent that wire rope 17 wound form from taking place the dislocation phenomenon, the regularity when improving wire rope 17 rolling.

As can be seen from the above description, the present invention has the following advantages: through the crashproof structure one 5 and the crashproof structure two 6 that set up, the compression spring 13 of crashproof structure one 5 and crashproof structure two 6 inside can play cushioning effect and supporting leg 2 and the 4 bumping effects that hang by crane when bumping to the supporting leg 2 of gantry crane respectively, buffer layer 9 in the crashproof structure further plays cushioning effect, buffer layer 9 can prevent that the contact from taking place the damage phenomenon simultaneously, the protection when improving the use of gantry crane.

Further, the hoisting structure 4 comprises a fixed frame 14, a speed reducing motor 15 is mounted on one side of the fixed frame 14 through a bolt, the specification of the speed reducing motor 15 is S87-Y1.1kw, an output shaft of the speed reducing motor 15 is rotatably connected with a winding roller 16, and the winding roller 16 is located inside the fixed frame 14.

Further, a steel wire rope 17 is wound on the outer wall of the winding roller 16, a lifting hook 18 is arranged at one end of the steel wire rope 17, a rectangular hole 19 is formed in the bottom of the fixing frame 14, and the steel wire rope 17 is located inside the rectangular hole 19.

Further, limit structure 20 includes two fixed plates 21, and two fixed plates 21 are fixed respectively in the bottom both sides of mount 14, and positive reverse motor 22 is installed through the bolt in one side of fixed plate 21, and positive reverse motor 22 drives threaded rod 26 and rotates and can drive stopper 23 and remove about in screw hole 25.

Furthermore, a limiting block 23 is arranged between the two fixing plates 21, a limiting hole 24 is formed in the top of the limiting block 23, the steel wire rope 17 is located in the limiting hole 24, and the limiting hole 24 can guide the steel wire rope 17 when the steel wire rope 17 goes up and down.

Furthermore, threaded hole 25 is opened to one side of stopper 23, and the output shaft of just reversing motor 22 rotates and is connected with threaded rod 26, and threaded rod 26 screw is in threaded hole 25, and threaded rod 26 rotates and can drive stopper 23 and remove about in threaded hole 25.

Furthermore, a guide rod 27 is fixed between the two fixing plates 21, a guide hole 28 is formed in one side of the limiting block 23, the limiting block 23 slides on the guide rod 27 through the guide hole 28, the guide rod 28 can limit the limiting block 23, the limiting block 23 is prevented from shifting when moving left and right, and stability of the limiting block 23 during use and movement is improved.

By adopting the guide rod 27 and the guide rod 28 which are arranged, the guide rod 28 is inserted in the guide hole 27, the limiting block 23 slides on the guide rod 28 through the guide hole 27, the guide rod 28 can limit the limiting block 23, the limiting block 23 is prevented from shifting when moving left and right, and the stability of the limiting block 23 during use and movement is improved.

In the following, some preferred embodiments or application examples are listed to help those skilled in the art to better understand the technical content of the present invention and the technical contribution of the present invention to the prior art:

example 1

A portal crane with an anti-collision structure comprises a cross beam 1, a supporting leg 2 is mounted at the bottom of the cross beam 1 through a bolt, a first anti-collision structure 5 is arranged on one side of the supporting leg 2, a compression spring 13 in the first anti-collision structure 5 can buffer the supporting leg 2 of the portal crane when colliding, a moving wheel 3 is mounted at the bottom of the supporting leg 2, a second anti-collision structure 6 is arranged on one side of the supporting leg 2 close to one end of the cross beam 1, the compression spring 13 in the second anti-collision structure 6 can buffer the collision of the supporting leg 2 and a lifting structure 4 when a lifting structure 4 moves left and right, the first anti-collision structure 5 and the second anti-collision structure 6 both comprise a fixed block 7, a buffer plate 8 is arranged on one side of the fixed block 7, a buffer layer 9 is arranged on one side of the buffer plate 8, the buffer layer 9 further plays a buffering role, and the buffer, the improvement is to the protection when portal crane uses, the opposite side of buffer board 8 is fixed with peg graft pole 10, open one side of fixed block 7 has spacing groove 11, the welding of the one end of peg graft pole 10 has limiting plate 12, and limiting plate 12 is located the inside of spacing groove 11, spacing groove 11 can carry out spacingly to limiting plate 12, limiting groove 11 prevents that limiting plate 12 from taking place the skew when removing, the stability of peg graft pole 10 when using of improvement limiting plate 12 one end, stability when further improving crashproof structure and using, be provided with compression spring 13 between limiting plate 12 and the spacing groove 11, the bottom of crossbeam 1 is provided with hoisting structure 4, hoisting structure 4's bottom is provided with limit structure 20, limit structure 20 can prevent that wire rope 17 wound form from taking place the dislocation phenomenon, improve the alignment nature when wire rope 17 rolls.

The hoisting structure 4 comprises a fixed frame 14, a speed reducing motor 15 is mounted on one side of the fixed frame 14 through a bolt, the specification of the speed reducing motor 15 is S87-Y1.1kw, an output shaft of the speed reducing motor 15 is rotatably connected with a winding roller 16, and the winding roller 16 is positioned inside the fixed frame 14; a steel wire rope 17 is wound on the outer wall of the winding roller 16, a lifting hook 18 is arranged at one end of the steel wire rope 17, a rectangular hole 19 is formed in the bottom of the fixing frame 14, and the steel wire rope 17 is located in the rectangular hole 19; the limiting structure 20 comprises two fixing plates 21, the two fixing plates 21 are respectively fixed on two sides of the bottom of the fixing frame 14, a forward and reverse rotation motor 22 is installed on one side of the fixing plate 21 through a bolt, and the forward and reverse rotation motor 22 drives a threaded rod 26 to rotate and can drive a limiting block 23 to move left and right in a threaded hole 25; a limiting block 23 is arranged between the two fixing plates 21, a limiting hole 24 is formed in the top of the limiting block 23, the steel wire rope 17 is located in the limiting hole 24, and the limiting hole 24 can guide the steel wire rope 17 when the steel wire rope 17 is lifted; a threaded hole 25 is formed in one side of the limiting block 23, an output shaft of the forward and reverse rotation motor 22 is rotatably connected with a threaded rod 26, the threaded rod 26 is threaded in the threaded hole 25, and the threaded rod 26 rotates in the threaded hole 25 to drive the limiting block 23 to move left and right; be fixed with guide bar 27 between two fixed plates 21, open one side of stopper 23 has guiding hole 28, and stopper 23 slides on guide bar 27 through guiding hole 28, and guide bar 28 can carry out spacing to stopper 23, prevents that stopper 23 from moving about and taking place the skew, improves the stability when stopper 23 uses the removal.

Specifically, the utility model discloses a theory of operation as follows: when in use, when the supporting legs 2 of the gantry crane move through the moving wheels 3, the compression springs 13 inside the first anti-collision structure 5 can buffer the supporting legs 2 of the gantry crane when colliding, when the lifting structure 4 moves left and right, the compression springs 13 inside the second anti-collision structure 6 can buffer the supporting legs 2 and the lifting structure 4 when colliding, the buffer layer 9 inside the anti-collision structure further buffers, meanwhile, the buffer layer 9 can prevent the contact object from being damaged, the protection of the gantry crane when in use is improved, when in use, the limit blocks 12 inside the anti-collision structure are connected inside the limit grooves 11 in a sliding mode through the inserting rods 10, the limit grooves 11 can limit the limit blocks 12, the limit grooves 11 prevent the limit blocks 12 from shifting when moving, and the stability of the inserting rods 10 at one ends of the limit blocks 12 when in use is improved, further improving the stability of the anti-collision structure when in use, when the lifting hook 18 is in use, the speed reducing motor 15 is started, the speed reducing motor 15 drives the winding roller 16 to rotate, the steel wire rope 17 and the lifting hook 18 can move downwards, the steel wire rope 17 penetrates through the rectangular hole 19 and the limiting hole 24, simultaneously, the forward and reverse rotation motor 22 is started, the forward and reverse rotation motor 22 drives the threaded rod 26 to rotate and can drive the limiting block 23 to move left and right in the threaded hole 25, the steel wire rope 17 can be guided when being lifted through the limiting hole 24 on the limiting plate 23, the winding type dislocation phenomenon of the steel wire rope 17 is prevented, the neatness when the steel wire rope 17 is wound is improved, meanwhile, the guide rod 28 is inserted into the guide hole 27, the limiting block 23 slides on the guide rod 28 through the guide hole 27, the guide rod 28 can limit the limiting block 23, the limiting block 23 is prevented from shifting when moving left and right, and the stability of the limiting block 23 during use and movement is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The portal crane with the anti-collision structure comprises a cross beam (1) and is characterized in that a supporting leg (2) is mounted at the bottom of the cross beam (1) through a bolt, a first anti-collision structure (5) is arranged on one side of the supporting leg (2), a moving wheel (3) is mounted at the bottom of the supporting leg (2), a second anti-collision structure (6) is arranged on one side, close to one end of the cross beam (1), of the supporting leg (2), a fixing block (7) is respectively arranged on the first anti-collision structure (5) and the second anti-collision structure (6), a buffer plate (8) is arranged on one side of the fixing block (7), a buffer layer (9) is arranged on one side of the buffer plate (8), an inserting rod (10) is fixed on the other side of the buffer plate (8), a limiting groove (11) is formed in one side of the fixing block (7), and a limiting, and the limiting plate (12) is positioned in the limiting groove (11), a compression spring (13) is arranged between the limiting plate (12) and the limiting groove (11), the bottom of the cross beam (1) is provided with a hoisting structure (4), and the bottom of the hoisting structure (4) is provided with a limiting structure (20).

2. The gantry crane with the anti-collision structure is characterized in that the hoisting structure (4) comprises a fixed frame (14), a speed reducing motor (15) is mounted on one side of the fixed frame (14) through a bolt, an output shaft of the speed reducing motor (15) is rotatably connected with a winding roller (16), and the winding roller (16) is positioned inside the fixed frame (14).

3. The gantry crane with the anti-collision structure according to claim 2, wherein the outer wall of the winding roller (16) is wound with a steel wire rope (17), one end of the steel wire rope (17) is provided with a hook (18), the bottom of the fixed frame (14) is provided with a rectangular hole (19), and the steel wire rope (17) is positioned in the rectangular hole (19).

4. The gantry crane with the anti-collision structure is characterized in that the limiting structure (20) comprises two fixing plates (21), the two fixing plates (21) are respectively fixed on two sides of the bottom of the fixing frame (14), and a forward and reverse rotation motor (22) is installed on one side of each fixing plate (21) through a bolt.

5. The gantry crane with the anti-collision structure according to claim 4, wherein a limiting block (23) is arranged between the two fixing plates (21), a limiting hole (24) is formed in the top of the limiting block (23), and the steel wire rope (17) is located in the limiting hole (24).

6. The gantry crane with the anti-collision structure is characterized in that a threaded hole (25) is formed in one side of the limiting block (23), a threaded rod (26) is rotatably connected to an output shaft of the forward and reverse rotation motor (22), and the threaded rod (26) is threaded in the threaded hole (25).

7. The gantry crane with the anti-collision structure according to claim 5, wherein a guide rod (27) is fixed between the two fixing plates (21), a guide hole (28) is formed at one side of the limiting block (23), and the limiting block (23) slides on the guide rod (27) through the guide hole (28).

Images