CN214527769U - Gantry crane - Google Patents

Abstract

The utility model relates to a gantry crane, it includes the frame, and the frame includes around rolling up cable wire and the lifting hook of fixed connection on the cable wire in the frame, and the one end that the frame was kept away from to the cable wire is provided with the connecting seat, is provided with the first connecting hole that runs through in the connecting seat on the wall of connecting seat, and the one end that the cable wire was kept away from to the connecting seat is provided with the interface, the interface with first connecting hole is linked together, is provided with on the lifting hook to be used for inserting the intraoral plugboard of interface, sets up the second connecting hole that runs through in the plugboard on the plugboard, and has a spliced pole to insert in proper order and establish in first connecting hole and second connecting hole, is provided with the restriction subassembly that takes place along spliced pole axial motion between its and the lifting hook on the spliced pole. Lifting hook and connecting seat in this application utilize the spliced pole to carry out detachable fixed connection to make the user need not to contact external instrument when carrying out the dismouting to the two, the user only needs bare-handed dismouting that can accomplish between the two, thereby makes the change process of lifting hook comparatively convenient.

Description

Gantry crane

Technical Field

The application relates to the field of hoisting equipment, in particular to a gantry crane.

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 utility model discloses a gantry crane of grant bulletin number CN202953738U, include the girder that extends along left right direction, the left and right ends of girder has linked firmly the landing leg respectively, the landing leg on be equipped with be in between two landing legs and along the fore-and-aft direction distribute or along the supporter that is used for placing the shaft-like material of fore-and-aft direction extension.

To the correlation technique among the above-mentioned, the inventor thinks above-mentioned gantry crane is in the use, if the user need when changing the lifting hook according to actual conditions, the user need utilize tools such as spanner to demolish it to make the change process of lifting hook comparatively inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to improve the convenience of lifting hook in the change process, this application provides a gantry crane.

The application provides a gantry crane adopts following technical scheme:

the utility model provides a gantry crane, includes the frame, the frame includes around steel cable and the lifting hook of fixed connection on the steel cable of rolling up in the frame, the one end that the frame was kept away from to the steel cable is provided with the connecting seat, be provided with the first connecting hole that runs through in the connecting seat on the wall of connecting seat, the one end that the steel cable was kept away from to the connecting seat is provided with the interface, just the interface with first connecting hole is linked together, be provided with on the lifting hook and be used for inserting the intraoral plugboard of plugboard, set up the second connecting hole that runs through in the plugboard on the plugboard, and have a spliced pole to insert in proper order and establish in first connecting hole and second connecting hole, be provided with the restriction subassembly that takes place along spliced pole axial motion between its and the lifting hook on the spliced pole.

Through adopting above-mentioned technical scheme, when the user need assemble lifting hook and connecting seat, the user will be located the plugboard on the lifting hook and insert to the interface of connecting seat in, meanwhile the axial of first connecting hole and the axial coincidence of second connecting hole, the user inserts the spliced pole in proper order to first connecting hole and second connecting hole this moment. The connecting seat on the steel cable and the connecting plate of the lifting hook are penetrated through by the connecting column, so that the lifting hook and the steel cable are fixedly connected. When the user need demolish lifting hook and connecting seat, the user can realize demolising between the two with the spliced pole in extracting from first connecting hole and second connecting hole. The user need not with the help of external instrument at the in-process of installing and demolising the lifting hook, and the dismouting of lifting hook can be accomplished to the bare-handed of user to make the change process of lifting hook comparatively convenient. And the limiting component on the connecting column limits the axial movement between the connecting column and the lifting hook along the connecting column, so that the connection relationship between the lifting hook and the steel cable is stable.

Optionally, the restriction subassembly includes limiting plate, restriction hole and restriction axle, the restriction axle sets up the spliced pole is followed on the terminal surface of its axial one end, the restriction hole is seted up on the cylinder of the spliced pole one side of keeping away from the limiting plate, the axial vertical ground in restriction hole, and the restriction hole runs through in the spliced pole, the restriction axle is inserted and is located in the restriction hole of spliced pole, the up end of restriction axle is provided with the shaft shoulder, just the shaft shoulder butt is in on the spliced pole.

Through adopting above-mentioned technical scheme, insert the spliced pole in proper order to first connecting hole and second connecting hole back when the user. The user inserts the restriction axle into the restriction hole of spliced pole, because the axial of restriction hole perpendicular to ground, therefore lie in the epaxial shaft shoulder of restriction and butt on the spliced pole under the action of gravity. At the moment, the limiting plate and the limiting shaft are respectively abutted against two sides of the connecting seat, so that the connecting column cannot move relative to the lifting hook along the axial direction of the connecting column, the connecting column cannot be pulled out from the first connecting hole and the second connecting hole, and the connection stability between the lifting hook and the steel cable is improved accordingly.

Optionally, a through hole communicated with the limiting hole is formed in the end face of one end, away from the limiting plate, of the connecting column, a blind hole is formed in the cylindrical surface of the limiting shaft corresponding to the through hole, and a locking column is sequentially inserted into the through hole and the blind hole.

Through adopting above-mentioned technical scheme, after the restriction axle is inserted and is established in the restriction hole, the user with the axial coincidence of blind hole and through-hole, the user inserts through-hole and blind hole in proper order with the locking post this moment. The restriction axle is worn to establish together by the locking post with the spliced pole this moment to make the restriction axle can't follow the downthehole extraction of restriction, and then keep the restriction of restriction subassembly to the spliced pole, the relation of connection between lifting hook and the cable wire also consequently becomes more stable.

Optionally, one end of the locking column, which is far away from the limiting shaft, is provided with a limiting plate, one end of the locking column, which is close to the limiting plate, is sleeved with a return spring, and two ends of the return spring are respectively and fixedly connected to the limiting plate and the connecting column.

Through adopting above-mentioned technical scheme, carry out elastic connection through reset spring between the limiting plate of locking post and the spliced pole to the risk that takes place to separate and lose between messenger's locking post and the spliced pole reduces to some extent. When the user need extract the restriction axle, the user pulls the locking post to make the locking post keep away from the one end of limiting plate and extract in the blind hole in order to lose its restriction to the restriction axle. When the user reinserts the restriction axle in restricting the downthehole, the locking post is automatic kick-back and is inserted in the blind hole under reset spring's effect. The locking post keeps the state of inserting in proper order and establishing in through-hole and blind hole under reset spring's effect, and then makes its restriction effect to the restriction axle more stable. The risk of limiting the shaft to be accidentally separated from the connecting column under the influence of external factors is reduced, so that the connection relationship between the hook and the steel cable is more stable.

Optionally, the outer cylindrical surface of the locking post is provided with an insertion block, the inner walls of the through hole and the blind hole are provided with slots for insertion of the insertion block, and the insertion block is inserted into the slots.

Through adopting above-mentioned technical scheme, when the user inserts the restriction axle to the restriction downthehole, the inserted block also inserted to the slot thereupon, and the lateral wall of slot plays the restriction effect to the inserted block this moment to make the restriction axle insert and unable the rotation when establishing in the restriction hole, and then make that the restriction axle can be more stable insert and establish in the restriction hole. Under the matching action of the slot and the insertion block, after a user inserts the limiting shaft into the limiting hole, the axial directions of the through hole and the blind hole are kept in a superposed state, and the user does not need to adjust the angles of the through hole and the blind hole.

Optionally, the cross section of the connecting column is a regular polygon.

By adopting the technical scheme, the outer cylindrical surface of the connecting column is provided with the plurality of convex edges due to the very cross section of the regular polygon, the structural strength of the connecting column is improved by the convex edges, and a dog can bear larger load in the using process of the connecting column. The connecting column with better structural strength has reduced risk of plastic deformation and even fracture when being subjected to overlarge external load during working, so that the connecting column has better stability during use.

Optionally, a groove is formed in the surface, facing the connecting seat, of the lifting hook, and the groove penetrates through the lifting hook.

Through adopting above-mentioned technical scheme, when the lifting hook lifts by crane the goods, can bind the cable wire on the goods, the cable wire is connected with the lifting hook. The user can inlay the cable wire and establish in the recess, and the cell wall of recess plays the restriction effect to the cable wire this moment to make the cable wire can not remove on the lifting hook, and then make the hoist can be more stable when lifting by crane the goods.

Optionally, a fillet is arranged at a junction between the groove bottom of the groove and the groove walls on two sides of the groove.

By adopting the technical scheme, the fillet at the junction of the groove wall and the groove bottom of the groove enables the stress concentration phenomenon at the junction between the groove bottom and the groove wall of the groove to be reduced to some extent, so that the risk of plastic deformation and even fracture of the lifting hook due to large bearing load is reduced when the lifting hook lifts a heavy object, and the use stability of the lifting hook is improved to some extent.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the lifting hook and the connecting seat are detachably and fixedly connected through the connecting column, so that a user does not need to contact an external tool when dismounting the lifting hook and the connecting seat, and the user can finish dismounting the lifting hook and the connecting seat only by bare hands, and the replacement process of the lifting hook is more convenient;

2. the cross section of the connecting column is a regular polygon, and the cross section of the regular polygon enables the outer cylindrical surface of the connecting column to form a plurality of convex ridges, so that the connecting column has good structural strength. The risk that the connecting column with better structural strength is subjected to plastic deformation and even breaks in the using process is reduced, so that the connecting column has better use stability.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

FIG. 2 is an enlarged view of FIG. 1 at A in the present embodiment

Fig. 3 is an exploded structure diagram of the present embodiment.

Description of reference numerals: 1. a frame; 11. an electric hoist; 12. a steel cord; 13. a hook; 131. a groove; 132. round corners; 2. a connecting seat; 21. a first connection hole; 22. an interface; 3. a plugboard; 31. a second connection hole; 4. connecting columns; 41. a through hole; 42. a locking post; 421. a limiting plate; 43. a return spring; 5. a restraining component; 51. a limiting plate; 52. a limiting aperture; 521. a slot; 53. a restraining shaft; 531. a shaft shoulder; 532. inserting a block; 533. and (4) blind holes.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses gantry crane. Referring to fig. 1, a gantry crane includes a frame 1, an electric hoist 11, a wire rope 12, and a hook 13. Electric hoist 11 slides on frame 1, and lifting hook 13 fixed connection is on cable wire 12, and cable wire 12 is around rolling up on electric hoist 11 and drive lifting hook 13 under electric hoist 11's drive and go up and down to the realization is to the transportation of goods.

As shown in fig. 2 and 3, the connecting seat 2 is welded at one end of the steel cable 12 far from the frame 1, a first connecting hole 21 is formed on a wall surface of one side of the connecting seat 2 far from the steel cable 12, the first connecting hole 21 is formed along a thickness extending direction of the connecting seat 2, and the first connecting hole 21 penetrates through the connecting seat 2. One end of the connecting base 2 away from the steel cable 12 is provided with a socket 22, and the socket 22 is communicated with the first connecting hole 21.

The end of the hook 13 close to the steel cable 12 is welded with the inserting plate 3 inserted in the inserting port 22, the inserting plate 3 is provided with a second connecting hole 31 corresponding to the first connecting hole 21, the second connecting hole 31 is provided along the thickness extending direction of the inserting plate 3, and the second connecting hole 31 penetrates through the inserting plate 3. When the user inserts the inserting plate 3 into the inserting port 22 and overlaps the axial direction of the first connecting hole 21 and the axial direction of the second connecting hole 31, the user inserts a connecting column 4 into the first connecting hole 21 and the second connecting hole 31 in sequence, so that the connecting seat 2 and the inserting plate 3 are fixedly connected, and further the hook 13 and the steel cable 12 are fixedly connected.

The cross section of spliced pole 4 is regular polygon, and regular polygon's cross section makes and forms a plurality of beads on the outer cylinder of spliced pole 4 to make spliced pole 4 have better structural strength, when spliced pole 4 wears to establish in first connecting hole 21 and second connecting hole 31 in proper order, spliced pole 4 takes place plastic deformation or even cracked risk because of bearing the too big hungry of load and reduces to some extent.

In order to limit the relative movement between the connecting column 4 and the hook 13 along the axial direction of the connecting column 4, the limiting assembly 5 is further provided, and the limiting assembly 5 comprises a limiting plate 51, a limiting hole 52 and a limiting shaft 53. Limiting plate 51 is welded at one end of connecting column 4 along the axial direction, limiting hole 52 is arranged on the cylindrical surface of the end of connecting column 4 far away from limiting plate 51, limiting hole 52 is arranged along the radial direction of connecting column 4, and limiting hole 52 penetrates through connecting column 4. The inner wall of the limiting hole 52 is provided with a slot 521, the length extending direction of the slot 521 is parallel to the axial direction of the limiting hole 52, the slot 521 penetrates through the connecting column 4, the number of the slots 521 is four, and the four slots 521 are uniformly arranged on the circumferential direction of the inner wall of the connecting hole.

After the user inserts the connecting post 4 into the first connecting hole 21 and the second connecting hole 31 in sequence, the limiting plate 51 abuts against the connecting seat 2, and one end of the connecting post 4 close to the limiting hole 52 penetrates out from the other end of the connecting seat 2. The user then rotates the attachment post 4 and brings the axial direction of the limiting aperture 52 perpendicular to the ground.

The limiting shaft 53 is integrally provided with a shaft shoulder 531 along one axial end, when the axial direction of the limiting hole 52 is perpendicular to the bottom surface, a user inserts the end, away from the shaft shoulder 531, of the limiting shaft 53 from the upper end of the limiting hole 52, and after the end, away from the shaft shoulder 531, of the limiting shaft 53 penetrates out from the other end of the connecting column 4, the shaft shoulder 531 abuts against the connecting column 4, so that the limiting shaft 53 cannot be separated from the connecting column 4 under the action of gravity. At this time, the limiting plate 51 and the shaft shoulder 531 of the limiting shaft 53 are respectively abutted against two sides of the connecting seat 2, so that the connecting column 4 cannot be separated from the connecting seat 2, and the connection relationship between the hook 13 and the steel cable 12 is more stable. The outer cylindrical surface of the limiting shaft 53 and the slot 521 are integrally provided with four insertion blocks 532 used for being inserted into the slot 521, the length extension direction of the insertion blocks 532 is parallel to the axial direction of the limiting shaft 53, and the number of the insertion blocks 532 is four on the outer cylindrical surface of the limiting shaft 53 in the circumferential direction. When the limiting shaft 53 is inserted into the limiting hole 52, the insertion block 532 is also inserted into the insertion groove 521, and at this time, the groove wall of the insertion groove 521 limits the insertion block 532, so that the limiting shaft 53 and the connecting column 4 cannot rotate.

The limiting shaft 53 is provided with a blind hole 533 on the cylindrical surface of one side opposite to the connecting seat 2, the end surface of one end of the connecting column 4 far away from the limiting plate 51 is provided with a through hole 41 corresponding to the blind hole 533, and when the shaft shoulder 531 of the limiting shaft 53 abuts against the connecting column 4, the blind hole 533 coincides with the axial direction of the through hole 41. At this time, the user inserts a locking post 42 into the through hole 41 and the blind hole 533 in sequence, the connecting post 4 is welded with the limiting plate 421 along the end of the connecting post 4 axially far away from the limiting shaft 53, and the return spring 43 is sleeved on the end of the connecting post 4 close to the limiting plate 421. The end of the return spring 43, which is close to the limit plate 421 in the axial direction thereof, is welded to the surface of the limit plate 421 facing the locking stud 42, and the end of the return spring 43, which is away from the limit plate 421, is welded to the connecting stud 4. The locking post 42 is kept in the state in which it is inserted in turn in the through hole 41 and the blind hole 533 by the return spring 43. The limiting shaft 53 and the connecting column 4 are penetrated together by the locking column 42, so that the limiting shaft 53 cannot be pulled out of the limiting hole 52, the limiting shaft 53 cannot be separated from the connecting column 4, and the connection relationship between the hook 13 and the steel cable 12 is more stable.

The surface of the hook 13 facing the connecting seat 2 is provided with a groove 131, the groove 131 penetrates through the hook 13, and the user performs a rounding 132 treatment between the groove bottom of the groove 131 and the groove walls respectively located at two sides of the groove 131, so that a fillet 132 is respectively formed between the groove bottom of the groove 131 and the groove walls at two sides thereof. When the crane lifts the cargo, the user can insert the wire rope 12 for binding the cargo into the groove 131, so that the connection relationship between the cargo and the hook 13 is more stable. And the rounded corners 132 between the groove bottom and the groove wall of the groove 131 alleviate the stress concentration phenomenon between the groove bottom and the groove wall of the groove 131, so that the hook 13 can bear a larger load.

The implementation principle of a gantry crane in the embodiment of the application is as follows: when a user needs to connect the hook 13 with the steel cable 12, the user inserts the insertion plate 3 on the hook into the insertion opening 22 of the connection base 2, and then the user inserts the connection post 4 into the first connection hole 21 and the second connection hole 31 in sequence and pushes the limiting plate 51 against the connection base 2. At this moment, one end of the connecting column 4 close to the limiting hole 52 penetrates out from the other side of the connecting seat 2, the user inserts the limiting shaft 53 into the limiting hole 52 and enables the through hole 41 and the blind hole 533 to be axially overlapped, and the locking column 42 is sequentially inserted into the through hole 41 and the blind hole 533 under the action of the return spring 43, so that the limiting shaft 53 and the connecting column 4 are fixedly connected. The connecting base 2 and the inserting plate 3 are penetrated together by the connecting column 4, so that the hook 13 is fixedly connected with the connecting base 2. When the user needs to dismantle between wire rope 12 and lifting hook 13, the user pulls locking post 42 to make the one end that locking post 42 kept away from limiting plate 421 extract from blind hole 533, and the user will restrict axle 53 and extract from restricting hole 52 afterwards, and the user extracts connecting post 4 from first connecting hole 21 and second connecting hole 31 this moment, thereby realizes the dismantlement between lifting hook 13 and the wire rope 12. When the user is being connected and is dismantling between lifting hook 13 and cable wire 12, the user need not with the help of external instrument, and the user only needs bare-handed dismouting that can accomplish between lifting hook 13 and the cable wire 12 to make the change process of lifting hook 13 comparatively convenient.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A gantry crane, characterized in that: comprises a frame (1), the frame (1) comprises a steel cable (12) wound on the frame (1) and a hook (13) fixedly connected to the steel cable (12), one end of the steel cable (12) far away from the frame (1) is provided with a connecting seat (2), the wall surface of the connecting seat (2) is provided with a first connecting hole (21) penetrating through the connecting seat (2), one end of the connecting seat (2) far away from the steel cable (12) is provided with a socket (22), the socket (22) is communicated with the first connecting hole (21), the hook (13) is provided with a socket plate (3) inserted into the socket (22), the socket plate (3) is provided with a second connecting hole (31) penetrating through the socket plate (3), and a connecting column (4) is sequentially inserted into the first connecting hole (21) and the second connecting hole (31), the connecting column (4) is provided with a limiting component (5) which limits the axial movement between the connecting column (4) and the lifting hook (13).

2. A gantry crane according to claim 1, characterized in that: restriction subassembly (5) are including restriction board (51), restriction hole (52) and restriction axle (53), restriction axle (53) set up spliced pole (4) are followed on the terminal surface of its axial one end, restriction hole (52) are seted up on the cylinder of spliced pole (4) one side of keeping away from restriction board (51), the perpendicular ground of axial of restriction hole (52), and restriction hole (52) run through in spliced pole (4), restriction axle (53) are inserted and are located in restriction hole (52) of spliced pole (4), the up end of restriction axle (53) is provided with shaft shoulder (531), just shaft shoulder (531) butt is in on spliced pole (4).

3. A gantry crane according to claim 2, characterized in that: the end face of one end, far away from limiting plate (51), of connecting column (4) is provided with through hole (41) communicated with limiting hole (52), blind hole (533) is correspondingly arranged on the cylindrical surface of limiting shaft (53) and corresponding to through hole (41), and a locking column (42) is sequentially inserted into through hole (41) and blind hole (533).

4. A gantry crane according to claim 3, characterized in that: the one end that restriction axle (53) were kept away from in locking post (42) is provided with limiting plate (421), and the pot head that locking post (42) is close to limiting plate (421) is equipped with reset spring (43), fixed connection is on limiting plate (421) and spliced pole (4) respectively at the both ends of reset spring (43).

5. A gantry crane according to claim 2, characterized in that: an inserting block (532) is arranged on the outer cylindrical surface of the limiting shaft (53), an inserting groove (521) for inserting the inserting block (532) is formed in the inner wall of the limiting hole (52), and the inserting block (532) is inserted into the inserting groove (521).

6. A gantry crane according to claim 1, characterized in that: the cross section of the connecting column (4) is a regular polygon.

7. A gantry crane according to claim 1, characterized in that: the surface of the lifting hook (13) facing the connecting seat (2) is provided with a groove (131), and the groove (131) penetrates through the lifting hook (13).

8. A gantry crane according to claim 7, characterized in that: and a fillet (132) is arranged at the junction between the groove bottom of the groove (131) and the groove walls on the two sides of the groove.

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