CN217921092U

CN217921092U - Truss type portal crane supporting leg

Info

Publication number: CN217921092U
Application number: CN202221467498.9U
Authority: CN
Inventors: 董志方; 张庆军; 苏红立
Original assignee: Henan Bridge Construction Equipment Engineering Co ltd
Current assignee: Henan Bridge Construction Equipment Engineering Co ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-11-29
Anticipated expiration: 2032-06-09

Abstract

The utility model discloses a truss type gantry crane landing leg relates to hoist technical field, specifically is a truss type gantry crane landing leg, including support and track, the lower surface of support is provided with L shape connecting plate, the upper surface of L shape connecting plate is provided with the triangular supports piece, first through-hole has been seted up to the inside of triangular supports piece, the inside of first through-hole is rotated and is connected with first axostylus axostyle, the both ends of first axostylus axostyle are provided with the connecting block, the upper surface of connecting block is provided with the clearance board. This truss-like gantry crane landing leg sets up through the cooperation of extension frame, adapter sleeve, hydraulic stem and second connecting rod, and at the in-process that uses, when the hoist stops regularly, can drive the second connecting rod and rotate through the shrink of hydraulic stem, and then drive the extension frame and rotate, and ground is supported in the butt, and extension landing leg support area improves the stability when the hoist stops regularly.

Description

Truss type portal crane supporting leg

Technical Field

The utility model relates to a hoist technical field specifically is a truss-like gantry crane landing leg.

Background

Gantry cranes are a variant of bridge cranes and are also called gantry cranes. 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.

Because portal crane who uses at present moves when the motion, mostly through the gyro wheel on the rail removal, but this kind of hoist removal mode of using at present lacks clearance box protector, if there is the rubble on the railway, the gyro wheel though can roll from the rubble along the track and pass, but long-time getting off will probably damage track or gyro wheel, in case change not only waste time and energy still cost money, current portal crane landing leg is mostly solitary pillar structure simultaneously, stops the timing stability relatively poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a truss-like gantry crane landing leg has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a truss-like gantry crane landing leg, includes support and track, the lower surface of support is provided with L shape connecting plate, the upper surface of L shape connecting plate is provided with the triangular supports piece, first through-hole has been seted up to the inside of triangular supports piece, the inside of first through-hole is rotated and is connected with first axostylus axostyle, the both ends of first axostylus axostyle are provided with the connecting block, the upper surface of connecting block is provided with the clearance board, the upper surface of L shape connecting plate is provided with first fixed block, the spread groove has been seted up on the first fixed block, the inside of spread groove is rotated and is connected with the second axostylus axostyle, the surface of second axostylus axostyle is rotated and is connected with first connecting rod, the lower surface of clearance board is provided with the connection spout, the inside sliding connection of connection spout has the drive rack, the one end of drive rack is provided with the slider, slider sliding connection is in the inside of connecting the spout, first connecting rod rotates and connects on the slider.

Optionally, a second through hole is formed in the cleaning plate, a second shaft rod is rotatably connected to the inside of the second through hole, a poking plate is arranged on the outer surface of the second shaft rod, a first gear is arranged at one end, far away from the poking plate, of the second shaft rod, the first gear is located inside the connecting sliding groove, and the first gear is matched with the driving rack.

Optionally, the outer surface of the L-shaped connecting plate is provided with a first spring, and one end of the first spring is arranged on the lower surface of the cleaning plate.

Optionally, a second fixing plate is arranged on the lower surface of the support, a fourth shaft lever is rotatably connected to the inside of the second fixing plate, a roller is rotatably connected to the outer surface of the fourth shaft lever, and the roller abuts against the inner wall of the track.

Optionally, triangular wedge blocks are arranged on two sides of the track, and the triangular wedge blocks are mutually abutted to the cleaning plate.

Optionally, a fifth shaft lever is arranged on the outer surface of the bracket, an expansion frame is rotatably connected to the outer surface of the fifth shaft lever, a sixth shaft lever is arranged on the outer surface of the expansion frame, and a connecting sleeve is rotatably connected to the outer surface of the sixth shaft lever.

Optionally, a hydraulic rod is arranged on the inner top wall of the bracket, a connecting disc is arranged at the movable end of the hydraulic rod, a third fixed block is arranged on the lower surface of the connecting disc, a seventh shaft rod is rotatably connected inside the third fixed block, a second connecting rod is rotatably connected to the outer surface of the seventh shaft rod, and one end of the second connecting rod is arranged on the connecting sleeve.

Optionally, the number of the expansion frame and the number of the cleaning plate are two, and the expansion frame and the cleaning plate are symmetrical to each other.

(III) advantageous effects

The utility model provides a truss-like gantry crane landing leg possesses following beneficial effect:

1. this truss-like portal crane landing leg, through the clearance board, connect the spout, first connecting rod, connect the spout, the drive rack, the striking plate, the second axostylus axostyle, the cooperation setting of first gear and first spring, in the use, when the hoist carries out the during operation, drive gyro wheel and support move along the track, when the support removes, it removes to drive the clearance board, and then through clearance board with inside rubble of track and residue rubble clearance to one side, prevent that the gyro wheel from rolling on rubble and the residue, prevent to damage track or gyro wheel, when the clearance board removes on the triangle voussoir, under the effect of triangle voussoir, it rotates to drive the clearance board, extrude first spring, rubble and residue on clearance board shift up to orbital upper end, when the clearance board rotates simultaneously, under the effect of first connecting rod, drive slider and drive rack slide along connecting the spout, and then drive gear and second axostylus axostyle rotate, thereby drive the striking plate and rotate, the outside of going up to the outside of track with the clearance on clearance board, thereby the inside debris clearance effect of track has been reached, the safe mesh of clearance of hoist has been improved.

2. This truss-like gantry crane landing leg, through the extension frame, the adapter sleeve, the cooperation setting of hydraulic stem and second connecting rod, at the in-process that uses, when the hoist stops regularly, can pass through the shrink of hydraulic stem, it rotates to drive the second connecting rod, and then drive the extension frame and rotate, butt to ground, extension landing leg supported area, improve the stability that the hoist stopped regularly, and when the hoist operation, then can extend the hydraulic stem, under the effect of second connecting rod, it rotates to drive the extension frame once more, make the extension frame break away from ground, do not hinder the normal operating of hoist.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1;

fig. 3 is an enlarged schematic view of the structure of fig. 2B according to the present invention;

FIG. 4 is a schematic side view of the present invention;

fig. 5 is a schematic top view of the present invention;

fig. 6 is a schematic three-dimensional structure of the present invention.

In the figure: 1. a support; 2. a track; 3. an L-shaped connecting plate; 4. cleaning the plate; 5. a first link; 6. connecting the sliding chute; 7. a drive rack; 8. a poking plate; 9. a first gear; 10. a first spring; 11. a roller; 12. a triangular wedge block; 13. an expansion frame; 14. connecting sleeves; 15. a hydraulic lever; 16. a second link; 17. and (7) connecting the disc.

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.

Example 1

Referring to fig. 1 to 3, the present invention provides a technical solution: a truss type portal crane supporting leg comprises a support 1 and a track 2, wherein an L-shaped connecting plate 3 is arranged on the lower surface of the support 1, a triangular supporting block is arranged on the upper surface of the L-shaped connecting plate 3, a first through hole is formed inside the triangular supporting block, a first shaft rod is rotatably connected inside the first through hole, connecting blocks are arranged at two ends of the first shaft rod, a cleaning plate 4 is arranged on the upper surface of the connecting block, a first fixing block is arranged on the upper surface of the L-shaped connecting plate 3, a connecting groove is formed in the first fixing block, a second shaft rod is rotatably connected inside the connecting groove, a first connecting rod 5 is rotatably connected on the outer surface of the second shaft rod, a connecting chute 6 is arranged on the lower surface of the cleaning plate 4, a driving rack 7 is slidably connected inside the connecting chute 6, a sliding block is arranged at one end of the driving rack 7, and the sliding block is slidably connected inside the connecting chute 6, first connecting rod 5 rotates to be connected on the slider, the second through-hole has been seted up to clearance board 4's inside, the inside rotation of second through-hole is connected with the second axostylus axostyle, the surface of second axostylus axostyle is provided with dials board 8, the one end that dials board 8 was kept away from to the second axostylus axostyle is provided with first gear 9, first gear 9 is located the inside of connecting spout 6, first gear 9 and drive rack 7 looks adaptation, the surface of L shape connecting plate 3 is provided with first spring 10, the one end setting of first spring 10 is on clearance board 4's lower surface, the lower surface of support 1 is provided with the second fixed plate, the inside rotation of second fixed plate is connected with the fourth axostylus axostyle, the surface rotation of fourth axostylus axostyle is connected with gyro wheel 11, gyro wheel 11 butt is on track 2's inner wall, track 2's both sides are provided with triangular wedge 12, triangular wedge 12 and the mutual butt of clearance board 4.

During the use, through clearance board 4, connect spout 6, first connecting rod 5, connect spout 6, drive rack 7, dial plate 8, the second axostylus axostyle, the cooperation setting of first gear 9 and first spring 10, in the use, when the hoist carries out work, drive gyro wheel 11 and support 1 and remove along track 2, when support 1 removes, drive clearance board 4 and remove, and then through clearance board 4 with the inside rubble of track 2 and residue rubble clearance to one side, prevent that gyro wheel 11 from rolling on rubble and residue, prevent to damage track 2 or gyro wheel 11, when clearance board 4 removes on the triangle voussoir 12, under the effect of triangle voussoir 12, drive clearance board 4 and rotate, extrude first spring 10, rubble and residue on clearance board 4 and the clearance board 4 move up the upper end of track 2, simultaneously when clearance board 4 rotates, under the effect of first connecting rod 5, drive slider and drive rack 7 slide along connecting spout 6, and then drive gear and second axle dial the pole and rotate, thereby the outside clearance board that drives track 2 and the debris that the clearance board 4 moved has reached the safety clearance, thereby the effect of the outside clearance board 2 that has improved the clearance 2 that the rubbish was moved.

Example 2

Referring to fig. 4 to 6, the present invention provides a technical solution: the utility model provides a truss-like gantry crane landing leg, the surface of support 1 is provided with the fifth axostylus axostyle, the surface rotation of fifth axostylus axostyle is connected with extension frame 13, the surface of extension frame 13 is provided with the sixth axostylus axostyle, the surface rotation of sixth axostylus axostyle is connected with adapter sleeve 14, the interior roof of support 1 is provided with hydraulic stem 15, the expansion end of hydraulic stem 15 is provided with connection pad 17, the lower surface of connection pad 17 is provided with the third fixed block, the inside rotation of third fixed block is connected with the seventh axostylus axostyle, the surface rotation of seventh axostylus axostyle is connected with second connecting rod 16, the one end setting of second connecting rod 16 is on adapter sleeve 14, the quantity of extension frame 13 and clearance board 4 is two, mutual symmetry each other.

During the use, through extension frame 13, the adapter sleeve 14, hydraulic stem 15 and second connecting rod 16's cooperation setting, in the use, when the hoist stops the timing, can be through the shrink of hydraulic stem 15, it rotates to drive second connecting rod 16, and then drive extension frame 13 and rotate, the butt is to ground, extension landing leg supporting area, stability when improving the hoist and stopping the timing, and when the hoist operation, then can extend hydraulic stem 15, under second connecting rod 16's effect, it rotates to drive extension frame 13 once more, make extension frame 13 break away from ground, do not hinder the normal operating of hoist.

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

1. A truss-like portal crane landing leg, includes support (1) and track (2), its characterized in that: the lower surface of the support (1) is provided with an L-shaped connecting plate (3), the upper surface of the L-shaped connecting plate (3) is provided with a triangular supporting block, a first through hole is formed in the triangular supporting block, the inside of the first through hole is rotatably connected with a first shaft rod, connecting blocks are arranged at two ends of the first shaft rod, a cleaning plate (4) is arranged on the upper surface of each connecting block, a first fixing block is arranged on the upper surface of the L-shaped connecting plate (3), a connecting groove is formed in the first fixing block, the inside of the connecting groove is rotatably connected with a second shaft rod, the outer surface of the second shaft rod is rotatably connected with a first connecting rod (5), a connecting chute (6) is formed in the lower surface of the cleaning plate (4), a driving rack (7) is slidably connected with the inside of the connecting chute (6), a sliding block is arranged at one end of the driving rack (7), the sliding block is slidably connected in the inside of the connecting chute (6), and the first connecting rod (5) is rotatably connected to the sliding block.

2. A truss type gantry crane leg according to claim 1, wherein: the cleaning device is characterized in that a second through hole is formed in the cleaning plate (4), a second shaft rod is rotatably connected to the inside of the second through hole, a poking plate (8) is arranged on the outer surface of the second shaft rod, a first gear (9) is arranged at one end, far away from the poking plate (8), of the second shaft rod, the first gear (9) is located inside the connecting sliding groove (6), and the first gear (9) is matched with the driving rack (7).

3. A truss-type gantry crane leg as defined in claim 1 wherein: the outer surface of the L-shaped connecting plate (3) is provided with a first spring (10), and one end of the first spring (10) is arranged on the lower surface of the cleaning plate (4).

4. A truss type gantry crane leg according to claim 1, wherein: the lower surface of the support (1) is provided with a second fixing plate, a fourth shaft lever is rotatably connected to the inner portion of the second fixing plate, a roller (11) is rotatably connected to the outer surface of the fourth shaft lever, and the roller (11) abuts against the inner wall of the track (2).

5. A truss-type gantry crane leg as defined in claim 1 wherein: the two sides of the track (2) are provided with triangular wedge blocks (12), and the triangular wedge blocks (12) are mutually abutted with the cleaning plate (4).

6. A truss-type gantry crane leg as defined in claim 1 wherein: the outer surface of the support (1) is provided with a fifth shaft rod, the outer surface of the fifth shaft rod is rotatably connected with an expansion frame (13), the outer surface of the expansion frame (13) is provided with a sixth shaft rod, and the outer surface of the sixth shaft rod is rotatably connected with a connecting sleeve (14).

7. A truss-type gantry crane leg as defined in claim 1 wherein: the inner top wall of the support (1) is provided with a hydraulic rod (15), the movable end of the hydraulic rod (15) is provided with a connecting disc (17), the lower surface of the connecting disc (17) is provided with a third fixing block, the inside of the third fixing block is rotatably connected with a seventh shaft rod, the outer surface of the seventh shaft rod is rotatably connected with a second connecting rod (16), and one end of the second connecting rod (16) is arranged on the connecting sleeve (14).

8. A truss type gantry crane leg according to claim 6, wherein: the number of the expansion frames (13) and the number of the cleaning plates (4) are two, and the two expansion frames are mutually symmetrical.