CN217578091U - Gantry crane - Google Patents

Abstract

The utility model discloses a gantry crane, including the portal frame, both sides all set up cart running gear around portal frame both ends foot rest bottom, cart running gear drives the portal frame and removes, the top of portal frame sets up hoisting platform, hoisting platform sets up the twin-car track, set up the cart assembly on the twin-car track, the cart assembly slides from side to side along the twin-car track, the gallows is connected through wire rope in cart assembly below, special lifting device is connected to the gallows below, special lifting device's bottom sets up a plurality of connecting screw, connecting screw passes through threaded connection with the pre-buried sleeve on the prefabricated component, make the prefabricated component remove under the drive of cart running gear and cart assembly. The utility model discloses a combination of cart assembly, wire rope and gallows, special lifting device can accomplish the connection and the walking hoist and mount to the prefabricated component of assembly type structure, and this gantry crane passes through running gear and drives the whole realization position of portal frame and remove, reaches the removal of cooperation at the bottom of the ground, adapts to the construction environment at the bottom of the ground.

Description

Gantry crane

Technical Field

The utility model relates to a construction equipment technical field, more specifically say, relate to a gantry crane.

Background

With the technical development of engineering construction and the market construction demand, the assembly type building gradually becomes the mainstream of engineering, the assembly type building divides each building structure into a plurality of prefabricated components, the prefabricated components are manufactured in advance to realize streamlined production, the prefabricated components with the same specification are produced in batches according to design drawings, then the prefabricated components are transported to a construction site, the prefabricated components are spliced to form the structural building, and simple integration and connection are carried out on the basis of the structural building, so that the engineering efficiency is constructed, the site construction time is reduced, meanwhile, the production efficiency of the prefabricated components is improved through the streamlined production in the factory, the production cost and the transportation cost are reduced, the finished product quality of the prefabricated components is controllable, and the low carbon and environmental protection effects are achieved.

On this basis, some large-scale engineering buildings, the size and the weight of its prefabricated component are all great, and during the on-the-spot construction concatenation, need use hoisting equipment supplementary, and in underground construction, like subway station etc. hoisting equipment such as tower crane, crane are unsuitable to be used, so need adopt longmen hoisting equipment to realize.

Disclosure of Invention

An object of the utility model is to provide a gantry crane, this gantry crane can remove and hoist prefabricated component such as roof, bottom plate, stand in underground building such as subway station.

The utility model discloses technical scheme as follows:

the gantry crane comprises a portal frame, wherein cart travelling mechanisms are arranged on the front side and the rear side of the bottoms of foot rests at two ends of the portal frame and drive the portal frame to move, a hoisting platform is arranged at the top of the portal frame and provided with double-cart tracks, a cart assembly is arranged on the double-cart tracks and slides left and right, a hanging frame is connected below the cart assembly through a steel wire rope, a special lifting appliance is connected below the hanging frame, a plurality of connecting studs are arranged at the bottom of the special lifting appliance, and the connecting studs are in threaded connection with pre-buried sleeves on prefabricated components, so that the prefabricated components are moved under the driving of the cart travelling mechanisms and the cart assembly.

In the gantry crane, the gantry is in a trapezoid table shape.

According to the gantry crane, the gantry frame comprises the hoisting platform, the control platform and the walking platform from top to bottom, stair treads are arranged among the hoisting platform, the control platform and the walking platform, the control platform is arranged at one end of the gantry frame, and a cab is arranged on the control platform.

In the gantry crane, the bottom of the foot stool is provided with the rail supporting device, and the upper end and the lower end of the rail supporting device are connected with the walking platform and the ground.

In the gantry crane, the middle part of the foot rest is provided with the grounding and anchoring device, and the grounding and anchoring device is inserted into the ground.

According to the gantry crane, the foot stool is provided with the electric reel of the line winding and unwinding.

In the gantry crane, the hoisting platform is provided with the electric room.

According to the gantry crane, one of the two vehicle tracks is provided with the positioning identification device, the cart assembly is provided with the induction block, and the positioning identification device is connected with the cab.

In the gantry crane, the tail end of the cart travelling mechanism is provided with the cart limiting device.

According to the gantry crane, the cart assembly is provided with the vibration sensor and the displacement sensor, and the vibration sensor and the displacement sensor are connected with the cab.

According to the above scheme the utility model discloses, its beneficial effect lies in, the utility model discloses a cart assembly, wire rope and gallows, special lifting device's combination can accomplish the prefabricated component's of assembly type structure connection and walking hoist and mount, and this gantry crane passes through running gear and drives the whole realization position of portal frame and remove, reaches the removal of cooperation at the bottom of the ground, adapts to the construction environment at the bottom of the ground.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic front view of a gantry crane.

FIG. 2 is a side view schematically showing the construction of the gantry crane.

FIG. 3 is a schematic top view of the gantry crane.

Wherein, in the figures, the respective reference numerals:

1. a cart assembly; 2. a hanger; 3. a special lifting appliance; 4. positioning a recognition device; 5. a gantry; 6. a cart limit device; 7. winding and unwinding the wire electric coil; 8. a cart traveling mechanism; 9. a grounding and anchoring device; 10. a track supporting device; 11. a driver cab; 12. an electric room; 13. a double-car track; 14. hoisting the platform; 15. a control platform; 16. a walking platform.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It will be understood that when an element is referred to as being "disposed" or "connected" to another element, it can be directly or indirectly disposed on the other element. The terms "upper", "lower", "left", "right", "front", "rear", "bottom", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are only for convenience of description and not to be construed as limiting the technical solution. "Multi" means two or more unless specifically limited otherwise.

The gantry crane comprises a gantry frame 5, wherein the gantry frame 5 is in a trapezoid table shape, the gantry frame 5 comprises a hoisting platform 14, a control platform 15 and a walking platform 16 from top to bottom in a longitudinal section view, and stair treads are arranged among the hoisting platform 14, the control platform 15 and the walking platform 16 for connection. The walking platform 16 is provided with a cart walking mechanism 8. One end of the portal frame 5 is provided with a control platform 15, and the control platform 15 is provided with a cab 11. The hoisting platform 14 at the top is provided with a cart assembly 1, the cart assembly 1 moves on the hoisting platform 14, the prefabricated components of the assembly building such as the top plate and the bottom plate are driven by hoisting equipment to move, and the moving direction of the prefabricated components is vertical and horizontal along the transverse axis direction of the hoisting platform 14. The traveling platform 16 is provided with a cart traveling mechanism 8, and the cart traveling mechanism 8 drives the portal frame 5 to integrally move back and forth, so that all structures on the portal frame 5, including the hoisted prefabricated components of the assembly building and the like, can move back and forth together.

In this embodiment, cart traveling mechanisms 8 are respectively arranged on the front side and the rear side of the bottoms of the foot rests at the two ends of the portal frame 5, and four cart traveling mechanisms 8 are provided. The middle part of the foot rest is provided with a grounding and anchoring device 9, the grounding and anchoring device 9 is inserted into the ground, when the cart travelling mechanism 8 moves to a construction station, the grounding and anchoring device 9 is fixed in position, an anchoring column arranged on the grounding and anchoring device 9 is inserted into the ground bottom, and the gantry crane is fixed in the position. The bottom of the foot rest is provided with a track supporting device 10, the height of the track supporting device 10 is adjusted, and the upper end and the lower end of the track supporting device 10 are connected with a traveling platform 16 and the ground to support the portal frame 5. The foot stand is provided with the electric reel 7 for the retractable wire, and the electric reel 7 for the retractable wire is required to be used for storing and arranging the cable because the portal crane needs to be provided with an external power supply and the cable needs to be prolonged in the moving process.

In this embodiment, the cart stop device 6 is disposed at the end of the cart traveling mechanism 8, and the worker can manually apply a traveling resistance to the cart traveling mechanism 8 through the cart stop device 6, so that the movement of the cart traveling mechanism 8 is limited, and the cart traveling mechanism 8 is assisted to be stationary.

The control platform 15 is a second layer on the portal frame 5, wherein a cab 11 is arranged on the control platform 15 on one side, and a driver is positioned in the cab 11 to control electric equipment of each part.

And a hoisting platform 14 is arranged at the top of the portal frame 5. The hoisting platform 14 is provided with a left and right transverse double-vehicle track 13 which is provided with a front moving track and a rear moving track. The double-vehicle track 13 is provided with a cart assembly 1, and the cart assembly 1 slides left and right along the double-vehicle track 13. The lower part of the cart assembly 1 is connected with the hanging bracket 2 through a steel wire rope, and the connection between the steel wire rope and the cart assembly 1 can be realized through the combination of a fixed pulley and a movable pulley. The special lifting appliance 3 is connected below the lifting frame 2, a plurality of connecting studs are arranged at the bottom of the special lifting appliance 3, and the connecting studs are connected with embedded sleeves on the prefabricated part through threads, so that the prefabricated part can move left and right and up and down under the driving of the cart travelling mechanism 8 and the cart assembly 1.

In the present embodiment, in the two-car track 13, one of the tracks is provided with a plurality of positioning identification devices 4, the positioning identification devices 4 are arranged along the track, the cart assembly 1 is provided with a sensing block, and the positioning identification devices 4 are connected with the cab 11. The cooperation recognition between the induction block on the cart assembly 1 and the positioning recognition device 4 or the unilateral recognition of the positioning recognition device 4 enables the cab 11 to obtain the position moving condition of the cart assembly 1, the position of the positioning recognition device 4 is adjusted in advance by determining the station to be moved in the process in advance, and the signal transmitted back to the cab 11 by the positioning recognition device 4 enables the cart assembly 1 to stop at the position of the positioning recognition device 4, so that the positioning movement of the cart assembly 1 is realized.

In this embodiment, the cart assembly 1 is provided with a vibration sensor and a displacement sensor, and both the vibration sensor and the displacement sensor are connected to the cab 11. There is vibrations always in mechanical movement, especially hoist and mount process, often before the hoist and mount accident takes place, irregular, comparatively serious vibrations all can take place for the hoist and mount apparatus, in addition, in order to guarantee hoist and mount precision, the influence of vibrations also is the part that needs to be considered to hoist, consequently, is provided with shock transducer and displacement sensor on cart assembly 1. A multi-displacement sensor is arranged on the basis of a vibration sensor, and the mechanical vibration strength and the influence on the movement of the cart assembly 1 are monitored simultaneously to obtain more accurate and specific reference data and provide data support for the control of the gantry crane.

In the embodiment, the hoisting platform 14 is provided with the electrical room 12, the cart assembly 1 has various electrical devices, and electrical parts and components are intensively arranged inside the electrical room 12, which is beneficial to centralized maintenance and repair.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The gantry crane is characterized by comprising a portal frame, wherein cart travelling mechanisms are arranged on the front side and the rear side of the bottoms of foot rests at the two ends of the portal frame, the cart travelling mechanisms drive the portal frame to move, a hoisting platform is arranged at the top of the portal frame, the hoisting platform is provided with a double-cart track, a cart assembly is arranged on the double-cart track, the cart assembly slides left and right along the double-cart track, a hanging frame is connected below the cart assembly through a steel wire rope, a special lifting appliance is connected below the hanging frame, a plurality of connecting studs are arranged at the bottom of the special lifting appliance, and the connecting studs are connected with pre-buried sleeves on prefabricated parts through threads, so that the prefabricated parts are driven by the cart travelling mechanisms and the cart assembly to move.

2. A gantry crane as claimed in claim 1, wherein said gantry is in the form of a trapezoidal table.

3. A gantry crane as claimed in claim 1, wherein said gantry comprises said hoisting platform, said control platform and said traveling platform from top to bottom, a stair tread is disposed between said hoisting platform, said control platform and said traveling platform, said control platform is disposed at one end of said gantry, and a driver's cab is disposed on said control platform.

4. A portal crane as claimed in claim 1, wherein the foot rests are provided at the bottom thereof with rail supporting means, the upper and lower ends of which are connected to the traveling platform and the ground.

5. A portal crane, according to claim 1, wherein the foot rests are provided with grounding and anchoring means in the middle, said grounding and anchoring means being inserted into the ground.

6. A gantry crane as claimed in claim 1, wherein the foot rest is provided with a take-up and pay-off wire power reel.

7. A gantry crane as claimed in claim 1, wherein the hoisting platform is provided with an electrical room.

8. A gantry crane according to claim 1, wherein one of said two-car tracks is provided with a positioning recognition device, said cart assembly is provided with a sensing block, and said positioning recognition device is connected to the cab.

9. A portal crane, according to claim 1, wherein said cart traveling mechanism is provided at its distal end with a cart stopper.

10. A gantry crane as claimed in claim 1, wherein said cart assembly is provided with a vibration sensor and a displacement sensor, and said vibration sensor and said displacement sensor are connected to a cab.

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