CN220056097U

CN220056097U - Anti-tilting device for crane portal frame

Info

Publication number: CN220056097U
Application number: CN202321169853.9U
Authority: CN
Inventors: 黄震; 张怀刚
Original assignee: WUXI XIEXING PORT MACHINERY CO Ltd
Current assignee: WUXI XIEXING PORT MACHINERY CO Ltd
Priority date: 2023-05-16
Filing date: 2023-05-16
Publication date: 2023-11-21
Anticipated expiration: 2033-05-16

Abstract

The utility model discloses an anti-toppling device for a crane portal, which comprises lifting frames and a cross beam, wherein the lifting frames are symmetrically arranged at the bottom end of the cross beam, an electric hoist is arranged at the bottom end of the cross beam between two groups of lifting frames, lifting hooks are arranged at the bottom ends of the electric hoist, walking frames are arranged at the bottom ends of the lifting frames, bases are arranged at the bottom ends of the walking frames, positioning seats are arranged on the outer walls of the two sides of the walking frames, adjusting frames are arranged at the bottom ends of the positioning seats, upper clamping shafts are arranged at the top ends of the adjusting frames, and the adjusting frames are movably connected with the positioning seats through the upper clamping shafts. The adjustable control support for the hoisting of the gantry of the crane is realized, the intensity of the support is conveniently controlled and adjusted, the toppling during hoisting is prevented, the height-adjustable control support is convenient, and the stable hoisting of large-tonnage objects is convenient.

Description

Anti-tilting device for crane portal frame

Technical Field

The utility model relates to the technical field of portal anti-toppling devices, in particular to a crane portal anti-toppling device.

Background

Along with the continuous development of building construction scale, the crane plays a great role in the vertical and horizontal transportation work of materials on a construction site, has remarkable performance in reducing the construction labor intensity and improving the production efficiency, and especially has non-negligible stability in a non-working state.

The utility model discloses a hoist anti-toppling device as disclosed in the authority bulletin number CN214692961U, which comprises a supporting seat, a first groove is formed in the inner cavity of the supporting seat, a hydraulic pipe is arranged in a hydraulic channel arranged in the first groove, a hydraulic push rod is arranged in a sliding manner in the hydraulic pipe, the other end of the hydraulic push rod is connected with an extension plate, the bottom of the extension plate is provided with the first groove, a hydraulic support rod is arranged in the first groove, and when the supporting surface of a hoist base is too narrow, the extension plate can be pushed out from the first groove, so that the supporting surface of the hoist base is increased, the bearing capacity of the original hoist base is lightened, and the whole stability of the hoist is improved in the first step; the hydraulic support rod arranged at the bottom of the extension plate is in contact with the ground through stretching when the extension plate is pushed out of the first groove, so that the hydraulic support rod can have a good supporting effect on the extension table; meanwhile, the middle end of the supporting arm is provided with the supporting table, the supporting table is provided with the air pump and the air pipe connected with the air pump, the other end of the air pipe is connected with the air cylinder, and the air cylinder is internally provided with the air push rod, so that the air push rod is obliquely arranged towards the ground direction, and when the crane encounters wind to cause instability of the crane, the air push rod arranged on the supporting arm can collide with the ground to have a good stabilizing effect on the crane, thereby solving the problem that the current portal crane is easy to topple;

but the problem that the existing portal anti-toppling device is not beneficial to the adjustable control support during the hoisting of a crane portal in use is solved, the intensity of the support is conveniently controlled and adjusted, the hoisting height is conveniently controlled and adjusted, and the stability of hoisting and the convenience of hoisting of large-tonnage objects are greatly influenced.

Disclosure of Invention

The utility model aims to provide an anti-toppling device for a crane portal, which solves the problems that the anti-toppling device for the portal is inconvenient for adjustable control support during hoisting of the crane portal, is convenient for controlling and adjusting the strength of the support and affects the stability of hoisting of large-tonnage objects in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hoist portal prevents empting device, includes hoisting frame and crossbeam, the hoisting frame is installed to the bottom symmetry of crossbeam, and the electric hoist is installed to the crossbeam bottom between two sets of hoisting frames, the bottom of electric hoist is equipped with the lifting hook, the bottom of hoisting frame all is equipped with the walking frame, the base is all installed to the bottom of walking frame, all install the positioning seat on the outer wall of walking frame both sides, the bottom of positioning seat all is equipped with the alignment jig, the clamping axle is all installed on the top of alignment jig, and alignment jig is through last clamping axle and positioning seat swing joint, the adapter is all installed to the bottom of alignment jig, the adapter is close to the one end of alignment jig and all installs down the clamping axle, and adapter through lower clamping axle and alignment jig swing joint, the walking wheel is all installed to the bottom of adapter.

Preferably, the first air cylinders are all installed on the top ends of the adapter seats on one side of the adjusting frame, the connecting shafts are all installed on the top ends of the first air cylinders, and the first air cylinders are movably connected with the adjusting frame through the connecting shafts.

Preferably, a second air cylinder is arranged in the adjusting frame below the positioning seat, a driving shaft is arranged at the top end of the second air cylinder, and the second air cylinder is movably connected with the positioning seat through the driving shaft.

Preferably, the bottom of the lifting frame is provided with a sliding block, the walking frame below the sliding block is internally provided with an adjusting cylinder, the top end of the adjusting cylinder is provided with a push rod, and the top end of the push rod is connected with the sliding block.

Preferably, the outside of base all is equipped with the I-shaped frame, equidistant multiunit gyro wheel is all installed to the base bottom of I-shaped frame top, and gyro wheel all is connected with I-shaped frame sliding.

Preferably, a control panel is installed on the outer wall of the walking frame, and the output end of the control panel is electrically connected with the input ends of the second cylinder, the first cylinder and the adjusting cylinder.

Compared with the prior art, the utility model has the beneficial effects that: the portal anti-toppling device not only realizes adjustable control support during lifting of the portal of the crane, facilitates control and adjustment of the strength of the support, prevents toppling during lifting, but also facilitates height-adjustable control support and facilitates stable lifting of large-tonnage objects;

(1) The adjusting frame is driven to rotate by the second air cylinder, the second air cylinder is supported by the positioning seat through the driving shaft, the adjusting frame is supported by the positioning seat through the upper clamping shaft to control and adjust the adjusting frame, the first air cylinder is driven to rotate by the first air cylinder, the adjusting frame supports the first air cylinder through the connecting shaft, the clamping shaft below the connecting seat is used as the shaft to rotate to control and adjust the adapter and the travelling wheel, the travelling wheel is convenient to contact the ground, the effect of structural support is achieved on the crane portal, the adjusting frame and the adapter cooperate to control and adjust the position of the travelling wheel to adjust the strength of the support, so that toppling during hoisting is prevented, the adjustable control support during hoisting of the crane portal is realized, the control and adjustment on the strength of the support are facilitated, and toppling during hoisting is prevented;

(2) Through upwards removing by adjusting cylinder drive push rod, upwards remove by push rod drive slider, upwards remove by slider drive hoisting frame, the hoisting frame slides in the inside of walking frame, comes the high control adjustment to the hoisting frame, comes the high control adjustment to crossbeam and electric hoist, comes the convenience to lift by crane different heights, when lifting by crane the tonnage great, the hoisting frame drops to the inside of walking frame, comes the reduction height, increases the joint support intensity of structure, has realized the high adjustable control support of crane door frame, has made things convenient for the hoist and mount that stabilize to the object of large-tonnage.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic diagram of the front cross-sectional structure of the adjusting cylinder of the present utility model;

fig. 4 is a schematic side sectional view of the adjusting frame of the present utility model.

In the figure: 1. a lifting frame; 2. an electric hoist; 3. a lifting hook; 4. a walking frame; 5. a base; 6. a roller; 7. an I-shaped frame; 8. a positioning seat; 9. a clamping shaft is arranged; 10. a drive shaft; 11. a second cylinder; 12. an adjusting frame; 13. a connecting shaft; 14. a first cylinder; 15. a lower clamping shaft; 16. an adapter; 17. a walking wheel; 18. a slide block; 19. a push rod; 20. adjusting a cylinder; 21. a control panel; 22. and a cross beam.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, an embodiment of the present utility model is provided: the utility model provides a hoist portal prevents empting device, including hoisting frame 1 and crossbeam 22, hoisting frame 1 is installed to the bottom symmetry of crossbeam 22, and electric hoist 2 is installed to the crossbeam 22 bottom between two sets of hoisting frames 1, the bottom of electric hoist 2 is equipped with lifting hook 3, the bottom of hoisting frame 1 all is equipped with walking frame 4, base 5 is all installed to the bottom of walking frame 4, all install positioning seat 8 on the outer wall of walking frame 4 both sides, positioning seat 8's bottom all is equipped with regulating frame 12, go up clamping axle 9 all is installed on the top of regulating frame 12, and regulating frame 12 is through last clamping axle 9 and positioning seat 8 swing joint, go up clamping axle 9 and play the effect of movable support, adapter 16 is all installed to the bottom of regulating frame 12, adapter 16 is close to the one end of regulating frame 12 all installs down clamping axle 15, and adapter 16 is through lower clamping axle 15 and regulating frame 12 swing joint, down clamping axle 15 plays the effect of movable support, walking wheel 17 is all installed to the bottom of adapter 16;

the top ends of the adapter seats 16 on one side of the adjusting frame 12 are movably provided with first air cylinders 14, the top ends of the first air cylinders 14 are provided with connecting shafts 13, the first air cylinders 14 are movably connected with the adjusting frame 12 through the connecting shafts 13, and the connecting shafts 13 play a role in movable support;

a second air cylinder 11 is movably arranged in the adjusting frame 12 below the positioning seat 8, a driving shaft 10 is arranged at the top end of the second air cylinder 11, the second air cylinder 11 is movably connected with the positioning seat 8 through the driving shaft 10, and the driving shaft 10 plays a role in movable support;

when the lifting frame is used, the lifting frames 1 and the walking frames 4 are connected together, the two groups of lifting frames 1 support the cross beam 22, the electric hoist 2 and the lifting hook 3 are matched to facilitate lifting, the second air cylinder 11 is opened by the operation control panel 21, the second air cylinder 11 is driven by the second air cylinder 11 to rotate the adjusting frame 12, the second air cylinder 11 is supported by the positioning seat 8 through the driving shaft 10, the adjusting frame 12 is supported by the positioning seat 8 through the upper clamping shaft 9 to control and adjust the adjusting frame 12, the first air cylinder 14 is opened by the operation control panel 21, the adapter seat 16 is driven by the first air cylinder 14 to rotate, the adjusting frame 12 supports the first air cylinder 14 through the connecting shaft 13, the clamping shaft 15 below the adapter seat 16 is used as the shaft to rotate, the adapter seat 16 and the walking wheel 17 are controlled and adjusted, the walking wheel 17 is convenient to contact the ground, the crane portal is structurally supported by the cooperation of the adjusting frame 12 and the adapter seat 16, the supporting strength is adjusted, the crane portal is prevented from tilting during lifting, the adjustable control support during lifting, the crane portal is prevented from tilting during lifting, and the supporting strength is controlled and the tilting is facilitated

The bottom of the lifting frame 1 is provided with a sliding block 18, the walking frame 4 below the sliding block 18 is internally provided with an adjusting cylinder 20, the top end of the adjusting cylinder 20 is provided with a push rod 19, the top end of the push rod 19 is connected with the sliding block 18, the adjusting cylinder 20 plays a role in power driving, the outer part of the base 5 is provided with an I-shaped frame 7, the bottom end of the base 5 above the I-shaped frame 7 is provided with a plurality of groups of equidistant rollers 6, the rollers 6 are in sliding connection with the I-shaped frame 7, the outer wall of the walking frame 4 is provided with a control panel 21, and the output end of the control panel 21 is electrically connected with the input ends of the second cylinder 11, the first cylinder 14 and the adjusting cylinder 20;

when the crane is used, the adjusting air cylinder 20 is opened through the operation control panel 21, under the support of the base 5 and the travelling frame 4, the push rod 19 is driven to move upwards by the adjusting air cylinder 20, the slide block 18 is driven to move upwards by the push rod 19, the lifting frame 1 is driven to move upwards by the slide block 18, the lifting frame 1 slides in the travelling frame 4 to control and adjust the height of the lifting frame 1, the heights of the cross beam 22 and the electric hoist 2 are controlled and adjusted to facilitate different lifting heights, when the lifting tonnage is large, the lifting frame 1 falls into the travelling frame 4 to reduce the height, the connection support strength of the structure is increased, the height adjustable control tonnage of the crane door frame is realized, and the crane is convenient to stably lift a large object.

Working principle: during the use, external power supply, at first, connect together through hoisting frame 1 and walking frame 4, two sets of hoisting frames 1 support crossbeam 22, electric hoist 2 and lifting hook 3 cooperation are convenient to hoist, second cylinder 11 is opened to operation control panel 21, by the rotation of second cylinder 11 drive alignment jig 12, positioning seat 8 supports second cylinder 11 through drive shaft 10, positioning seat 8 supports alignment jig 12 through last clamping axle 9, come to control and adjust alignment jig 12, operation control panel 21 opens first cylinder 14, by first cylinder 14 drive adapter 16 rotation, alignment jig 12 supports first cylinder 14 through connecting axle 13, clamping axle 15 rotates for the axle under the changeover seat 16, come to control and adjust changeover seat 16 and walking wheel 17, make things convenient for walking wheel 17 to contact ground, come to play the effect of structural support to the hoist portal, alignment jig 12 and changeover seat 16 cooperation can control and adjust the position of walking wheel 17, prevent to take place to empty when supporting the intensity, afterwards, open alignment jig 20 through operation control panel 21, support jig 20, at base 5 and walking frame 4, the height of lifting frame 20 is gone to the high lift and the inside of the frame is carried out to the height of the hoisting device by the drive pulley 19, the high lift frame is carried out to the height of the hoisting frame 1 and is carried out to the height of the hoisting frame 1 when the hoisting frame is controlled to the height of the hoisting frame is moved to the height of the jack-up and is 1, the jack-off, the high lift frame is moved to the jack-up and is 1, the jack-off and is more convenient to the jack-down and is moved to the jack-up slider is 1 to the jack-to the inside to the jack-to be 1.

Claims

1. The utility model provides a hoist portal prevents empting device, includes hoisting frame (1) and crossbeam (22), its characterized in that: lifting frame (1) is installed to the bottom symmetry of crossbeam (22), and electric hoist (2) are installed to crossbeam (22) bottom between two sets of lifting frames (1), the bottom of electric hoist (2) is equipped with lifting hook (3), the bottom of lifting frame (1) all is equipped with walking frame (4), base (5) are all installed to the bottom of walking frame (4), positioning seat (8) are all installed on the outer wall of walking frame (4) both sides, positioning seat (8)'s bottom all is equipped with alignment jig (12), clamping axle (9) are all installed on the top of alignment jig (12), and alignment jig (12) are through last clamping axle (9) and positioning seat (8) swing joint, adapter (16) are all installed to the bottom of alignment jig (12), adapter (16) are close to the one end of alignment jig (12) and all install down clamping axle (15), and adapter (16) are through lower clamping axle (15) and alignment jig (12) swing joint, the bottom of adapter (16) is all installed through walking wheel (17).

2. The anti-toppling device for a crane mast according to claim 1, wherein: the top of the adapter seat (16) at one side of the adjusting frame (12) is provided with a first air cylinder (14), the top of the first air cylinder (14) is provided with a connecting shaft (13), and the first air cylinder (14) is movably connected with the adjusting frame (12) through the connecting shaft (13).

3. The anti-toppling device for a crane mast according to claim 1, wherein: the adjusting frame (12) inside mounted second cylinder (11) below positioning seat (8), drive shaft (10) are installed on the top of second cylinder (11), and second cylinder (11) are through drive shaft (10) and positioning seat (8) swing joint.

4. The anti-toppling device for a crane mast according to claim 1, wherein: the lifting frame is characterized in that the sliding blocks (18) are arranged at the bottom ends of the lifting frames (1), the adjusting cylinders (20) are arranged in the walking frames (4) below the sliding blocks (18), the pushing rods (19) are arranged at the top ends of the adjusting cylinders (20), and the top ends of the pushing rods (19) are connected with the sliding blocks (18).

5. The anti-toppling device for a crane mast according to claim 1, wherein: the outer portion of base (5) all is equipped with I-shaped frame (7), equidistant multiunit gyro wheel (6) are all installed to base (5) bottom above I-shaped frame (7), and gyro wheel (6) all with I-shaped frame (7) sliding connection.

6. The anti-toppling device for a crane mast according to claim 1, wherein: the outer wall of the walking frame (4) is provided with a control panel (21), and the output end of the control panel (21) is electrically connected with the input ends of the second air cylinder (11), the first air cylinder (14) and the adjusting air cylinder (20).