CN216687128U - Clamping mechanism for gantry crane frame - Google Patents

Abstract

The utility model discloses a clamping mechanism for a portal frame, and relates to the technical field of portal frames. This gantry contains a clamping mechanism for frame, joint between second square clamping groove and the first square clamping block, joint between second square clamping block and the second square clamping groove and joint between second square clamping block and the first square clamping groove to cooperation through bolt and jack is to the head tree, increase the fixed between post and the crossbeam, realized through the method of joint to the gantry contain a function of installing, improved the convenience that gantry contained a frame installation, can increase a plurality of posts that increase in addition between head tree and crossbeam, highly adjusting gantry contains a frame, improved this gantry and contained a clamping mechanism for frame's practicality.

Description

Clamping mechanism for gantry crane frame

Technical Field

The utility model relates to the technical field of a portal frame, in particular to a clamping mechanism for the portal frame.

Background

The gantry holding frame mainly comprises structural members such as stand columns and cross beams, is used for supporting equipment at high positions by erecting each shaft to a certain height, but the stand columns and the cross beams on the existing gantry holding frame are fixed through bolts, are not convenient enough when being installed and disassembled, and can not be adjusted due to the fact that the stand columns of the existing gantry holding frame are fixed in height. The requirement of the prior art cannot be met, so that a clamping mechanism for a gantry holding frame is provided.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a clamping mechanism for a gantry crane frame, which solves the problems in the background technology.

In order to achieve the purpose, the utility model is realized by the following technical scheme: a clamping mechanism for a portal frame comprises a main upright post, wherein a height increasing post is arranged at the top of the main upright post, a cross beam is arranged at the top of the height increasing post, a second square clamping groove is formed in the bottom surface of the height increasing post, a first square clamping block is fixedly connected to the top of the main upright post, the first square clamping block extends to an inner cavity of the second square clamping groove, the side surface and the top surface of the first square clamping block are respectively attached to the inner wall of the second square clamping groove, a first square clamping groove is formed in the bottom surface of the cross beam, a second square clamping block is fixedly connected to the top of the height increasing post, the second square clamping block extends to the inner cavity of the first square clamping groove, the side surface and the top surface of the second square clamping block are respectively attached to the inner wall of the first square clamping groove, jacks are formed in the side surfaces of the first square clamping block and the second square clamping block, and contraction grooves are formed in the height increasing post and the cross beam, increase the inside of post and crossbeam and all seted up the coiling groove, the inner chamber in coiling groove rotates and is connected with the pivot, the one end of pivot extends to the outside that increases post and crossbeam, the fixed cover in surface of pivot has connect the coiling section of thick bamboo, the first spring of inner wall fixedly connected with in contraction groove, the one end fixedly connected with bolt of first spring, the one end of bolt extends to the inner chamber of jack, the size of jack one end and the big or small looks adaptation of jack inner chamber, the other end fixedly connected with wire rope of bolt, wire rope's one end extends to the inner chamber in coiling groove and is connected with the side of coiling section of thick bamboo.

Preferably, the side of head tree is provided with down the fixed block, fixed slot has been seted up down to the top surface of fixed block down, the side fixedly connected with joint box that increases the post, the top surface of joint box has been seted up and has been crossed the groove, the bottom surface of joint box has been seted up down and has been crossed the groove, two second springs of bottom surface fixedly connected with of joint box inner chamber, the inserted block under the top fixedly connected with of second spring, the bottom of inserted block runs through down the inner chamber that crosses the groove and extend to fixed slot down, the inserted block is gone up to the side fixedly connected with of crossbeam, the bottom of going up the inserted block runs through the upper groove and extends to the inner chamber of joint box and contacts with the top surface of inserted block down.

Preferably, the lateral wall of shrink groove has seted up the spacing groove, the side fixedly connected with stopper of bolt, the one end of stopper extends to the inner chamber of spacing groove, the side of stopper is laminated with the inner wall in spacing groove mutually.

Preferably, the main upright post and the heightening post are respectively provided with a graduated scale on the side surface.

Preferably, the size of the inner cavity of the second square clamping groove is matched with the size of the shape of the second square clamping block.

Preferably, the inner cavity of the connecting box and the inner side of the second spring are provided with limit columns, and the limit columns are movably sleeved with the lower insert blocks.

Preferably, the length and the thickness of the bottom end of the upper insert block are the same as those of the lower insert block.

The utility model provides a clamping mechanism for a portal frame, which has the following beneficial effects:

1. this gantry contains a clamping mechanism for frame, joint between second square clamping groove and the first square clamping block, joint between second square clamping block and the second square clamping groove and joint between second square clamping block and the first square clamping groove to cooperation through bolt and jack is to the head tree, increase the fixed between post and the crossbeam, realized through the method of joint to the gantry contain a function of installing, improved the convenience that gantry contained a frame installation, can increase a plurality of posts that increase in addition between head tree and crossbeam, highly adjusting gantry contains a frame, improved this gantry and contained a clamping mechanism for frame's practicality.

2. This gantry joint frame clamping mechanism, through last inserted block, the connection box, lower fixed block, lower inserted block, the cooperation of lower fixed slot is used, when the crossbeam is installed at the top that increases the post, the bottom of inserted block injects the inner chamber of connection box and extrudes the inserted block down on the crossbeam side, lower inserted block pressurized downstream makes the bottom of inserted block inject the inner chamber of another connection box down, and extrude the lower inserted block in another connection box, until the bottom of the lower inserted block of below injects in the inner chamber of lower fixed slot, link the box through last inserted block, the connection between lower inserted block and the lower fixed block strengthens gantry joint frame's intensity, has improved this gantry joint frame clamping mechanism's stability.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a schematic cross-sectional view of the main column of the present invention;

FIG. 3 is a schematic structural diagram of the front side of the present invention;

FIG. 4 is an internal schematic view of the coupling box of the present invention;

FIG. 5 is a schematic cross-sectional view of a heightening column of the present invention;

FIG. 6 is an enlarged schematic view of the utility model at A in FIG. 1;

FIG. 7 is an enlarged view of the point B in FIG. 1.

In the figure: 1. a main upright post; 2. heightening columns; 3. a cross beam; 4. a first square fixture block; 5. a second square fixture block; 6. an upper insertion block; 7. a lower insert block; 8. a lower fixing block; 9. a coupling box; 10. a second square slot; 11. a first square clamping groove; 12. a contraction groove; 13. a first spring; 14. a bolt; 15. a coiling groove; 16. a rotating shaft; 17. winding the roll; 18. a jack; 19. a wire rope; 20. a limiting groove; 21. a limiting block; 22. a lower fixing slot; 23. a second spring; 24. a limiting column; 25. passing through a groove; 26. a lower passing groove; 27. a graduated scale.

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 of the embodiments.

Referring to fig. 1 to 7, the present invention provides a technical solution: a clamping mechanism for a portal frame comprises a main upright post 1, a heightening post 2 is arranged at the top of the main upright post 1, a cross beam 3 is arranged at the top of the heightening post 2, a second square clamping groove 10 is formed in the bottom surface of the heightening post 2, a first square clamping block 4 is fixedly connected to the top of the main upright post 1, the first square clamping block 4 extends to the inner cavity of the second square clamping groove 10, the side surface and the top surface of the first square clamping block 4 are respectively attached to the inner wall of the second square clamping groove 10, a first square clamping groove 11 is formed in the bottom surface of the cross beam 3, a second square clamping block 5 is fixedly connected to the top of the heightening post 2, the second square clamping block 5 extends to the inner cavity of the first square clamping groove 11, the side surface and the top surface of the second square clamping block 5 are respectively attached to the inner wall of the first square clamping groove 11, jacks 18 are respectively formed in the side surfaces of the first square clamping block 4 and the second square clamping block 5, contraction grooves 12 are respectively formed in the heightening post 2 and the cross beam 3, the heightening column 2 and the cross beam 3 are both provided with a winding groove 15 inside, the inner cavity of the winding groove 15 is rotatably connected with a rotating shaft 16, one end of the rotating shaft 16 extends to the outside of the heightening column 2 and the cross beam 3, the surface of the rotating shaft 16 is fixedly sleeved with a winding drum 17, the inner wall of the shrinkage groove 12 is fixedly connected with a first spring 13, one end of the first spring 13 is fixedly connected with a bolt 14, one end of the bolt 14 extends to the inner cavity of a jack 18, the size of one end of the jack 18 is matched with the size of the inner cavity of the jack 18, the other end of the bolt 14 is fixedly connected with a steel wire rope 19, one end of the steel wire rope 19 extends to the inner cavity of the winding groove 15 and is connected with the side surface of the winding drum 17, the side surface of the main upright column 1 is provided with a lower fixing block 8, the top surface of the lower fixing block 8 is provided with a lower fixing slot 22, the side surface of the heightening column 2 is fixedly connected with a connecting box 9, the top surface of the connecting box 9 is provided with an upper passing groove 25, the bottom surface of the connecting box 9 is provided with a lower through groove 26, the bottom surface of the inner cavity of the connecting box 9 is fixedly connected with two second springs 23, the top of each second spring 23 is fixedly connected with a lower insert block 7, the bottom end of each lower insert block 7 penetrates through the lower through groove 26 and extends to the inner cavity of the lower fixing slot 22, the inner cavity of the connecting box 9 and the inner side of each second spring 23 are provided with limit posts 24, the limit posts 24 are movably sleeved with the lower insert blocks 7, the lower insert blocks 7 are limited through the limit posts 24, so that the lower insert blocks 7 can only move in the vertical direction, the side surface of the cross beam 3 is fixedly connected with an upper insert block 6, the bottom end of the upper insert block 6 penetrates through the upper through groove 25 and extends to the inner cavity of the connecting box 9 and is in contact with the top surface of the lower insert blocks 7, the thickness of the upper insert block 6 is equal to the thickness of the inner cavity of the upper through groove 25, the length, the thickness of the bottom end of the upper insert block 6 is equal to the length and the thickness of the lower insert block 7, the side wall of the contraction groove 12 is provided with a limit groove 20, side fixedly connected with stopper 21 of bolt 14, the one end of stopper 21 extends to the inner chamber of spacing groove 20, the side of stopper 21 is laminated mutually with the inner wall of spacing groove 20, cooperation through spacing groove 20 and stopper 21 is spacing to bolt 14, head tree 1 all is provided with scale 27 with the side that increases post 2, highly judge this longmen equipment of linking up the frame through scale 27, the size of the square draw-in groove 10 inner chamber of second and the big or small looks adaptation of the square fixture block 5 appearance of second, guarantee two and increase and can connect between the post 2.

In conclusion, when the clamping mechanism for the gantry linking frame is used, firstly, two main upright posts 1 are fixed on the ground, then the heightening post 2 is taken out, the rotating shaft 16 is rotated to drive the winding drum 17 to rotate, the steel wire rope 19 is wound on the surface of the winding drum 17 through the rotation of the winding drum, the top end of the bolt 14 is driven by the steel wire rope 19 to be contracted into the inner cavity of the contraction groove 12, then the heightening post 2 is placed at the top of the main upright post 1, the first square clamping block 4 is inserted into the inner cavity of the second square clamping groove 10, the rotating shaft 16 is loosened to drive the bolt 14 to be inserted into the insertion hole 18 on the first square clamping block 4 through the bolt 14 and the insertion hole 18 to connect the heightening post 2 and the main upright posts 1, when the height of the gantry linking frame needs to be increased continuously, other heightening posts 2 are taken out, the rotating shaft 16 is rotated to contract the bolt 14, the second square clamping block 5 on the previous heightening post 2 is inserted into the second square clamping groove 10 on the heightening post 2, the heightening columns 2 and the heightening columns 2 are connected through the matching of the pins 14 and the jacks 18, a plurality of heightening columns 2 can be connected on the main upright post 1 according to the steps to increase the height of the gantry frame, the height is visually determined through the graduated scale 27, after the heightening columns 2 are connected, the cross beam 3 is taken, the rotating shaft 16 on the cross beam 3 is rotated to retract the pins 14 into the inner cavity of the contraction groove 12, the cross beam 3 is placed on the top surface of the uppermost heightening column 2, the second square clamping block 5 on the uppermost heightening column 2 is inserted into the inner cavity of the first square clamping groove 11, the rotating shaft 16 is loosened to enable the pins 14 to be matched with the jacks 18 to fix the heightening columns 2 and the cross beam 3, meanwhile, the bottom end of the insert block 6 on the side surface of the cross beam 3 is inserted into the inner cavity of the connecting box 9 and extrudes the lower insert block 7, the lower insert block 7 is pressed to move downwards to enable the bottom end of the other connecting box 9, and extruding the lower insert block 7 in the other connecting box 9 until the bottom end of the lower insert block 7 at the lowest part is inserted into the inner cavity of the lower fixing slot 22, and enhancing the strength of the gantry linking frame through the connection among the upper insert block 6, the connecting box 9, the lower insert block 7 and the lower fixing block 8.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (7)

1. The utility model provides a longmen links up clamping mechanism for frame, includes leading post (1), its characterized in that: the top of the main upright post (1) is provided with an increase post (2), the top of the increase post (2) is provided with a beam (3), the bottom surface of the increase post (2) is provided with a second square clamping groove (10), the top of the main upright post (1) is fixedly connected with a first square clamping block (4), the first square clamping block (4) extends to the inner cavity of the second square clamping groove (10), the side surface and the top surface of the first square clamping block (4) are respectively attached to the inner wall of the second square clamping groove (10), the bottom surface of the beam (3) is provided with a first square clamping groove (11), the top of the increase post (2) is fixedly connected with a second square clamping block (5), the second square clamping block (5) extends to the inner cavity of the first square clamping groove (11), the side surface and the top surface of the second square clamping block (5) are respectively attached to the inner wall of the first square clamping groove (11), jack (18) have all been seted up to the side of first square fixture block (4) and second square fixture block (5), increase the inside of post (2) and crossbeam (3) and all seted up shrink groove (12), increase the inside of post (2) and crossbeam (3) and all seted up coiling groove (15), the inner chamber rotation of coiling groove (15) is connected with pivot (16), the one end of pivot (16) extends to the outside that increases post (2) and crossbeam (3), the fixed cover in surface of pivot (16) has been connect with coiling section of thick bamboo (17), the inner wall fixedly connected with first spring (13) of shrink groove (12), the one end fixedly connected with bolt (14) of first spring (13), the one end of bolt (14) extends to the inner chamber of jack (18), the size of jack (18) one end and the size looks adaptation of jack (18) inner chamber, the other end fixedly connected with wire rope (19) of bolt (14), the one end of wire rope (19) extends to the inner chamber of winding up groove (15) and is connected with the side of a winding up section of thick bamboo (17).

2. The clamping mechanism for the portal frame according to claim 1, wherein: a lower fixing block (8) is arranged on the side surface of the main upright post (1), a lower fixing slot (22) is arranged on the top surface of the lower fixing block (8), the side surface of the heightening column (2) is fixedly connected with a connecting box (9), the top surface of the connecting box (9) is provided with an upper through groove (25), a lower through groove (26) is arranged on the bottom surface of the connecting box (9), two second springs (23) are fixedly connected with the bottom surface of the inner cavity of the connecting box (9), the top of the second spring (23) is fixedly connected with a lower insertion block (7), the bottom end of the lower insertion block (7) penetrates through the lower through groove (26) and extends to the inner cavity of the lower fixing slot (22), the side fixedly connected with of crossbeam (3) goes up inserted block (6), the bottom of going up inserted block (6) runs through last groove (25) and extends to the inner chamber of coupling box (9) and contacts with the top surface of lower inserted block (7).

3. The clamping mechanism for the portal frame according to claim 1, wherein: spacing groove (20) have been seted up to the lateral wall of shrink groove (12), side fixedly connected with stopper (21) of bolt (14), the one end of stopper (21) extends to the inner chamber of spacing groove (20), the side of stopper (21) is laminated with the inner wall of spacing groove (20) mutually.

4. The clamping mechanism for the portal frame according to claim 1, wherein: the side surfaces of the main upright post (1) and the heightening post (2) are provided with graduated scales (27).

5. The clamping mechanism for the portal frame according to claim 1, wherein: the size of the inner cavity of the second square clamping groove (10) is matched with the size of the appearance of the second square clamping block (5).

6. The clamping mechanism for a gantry crane according to claim 2, wherein: the inner cavity of the connecting box (9) is provided with a limiting column (24) on the inner side of the second spring (23), and the limiting column (24) is movably sleeved with the lower insert block (7).

7. The clamping mechanism for a gantry crane according to claim 2, wherein: the length and the thickness of the bottom end of the upper insertion block (6) are the same as those of the lower insertion block (7).

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