CN217126696U - Simple portal crane sliding door leg frame convenient to assemble and disassemble - Google Patents

Abstract

The utility model discloses a brief type gantry crane floating gate leg frame convenient to spelling and dismantlement relates to hoisting machinery equipment's technical field. The movable door leg frame comprises two leg frames, an upper cross beam, a bottom cross beam and a traveling wheel assembly, wherein the tops of the two leg frames are hinged and supported on the left side and the right side of the end part of a main beam of the crane, the upper cross beam is connected between the middle upper parts of the two leg frames and is used for supporting the bottom of the main beam of the crane, the bottom cross beam is connected between the bottoms of the two leg frames, and the traveling wheel assembly is arranged below the bottoms of the leg frames; the supporting leg frame comprises an inverted triangle support formed by welding two supporting legs and a transverse connecting rod, and two inclined connecting rods which are vertically fixed at two ends of the transverse connecting rod and are coplanar with the inverted triangle support. The utility model discloses a on guaranteeing to support the crane girder and follow the basis of ground rail-engaging function safely and stably, optimize traditional overall structure and brief processing, can realize fast assembly and quick dismantlement, shortened installation and dismantlement time greatly, obviously improve the efficiency of changing a yard of hoist, be convenient for change a yard and transportation.

Description

Simple portal crane sliding door leg frame convenient to assemble and disassemble

Technical Field

The utility model relates to a hoisting machinery equipment's technical field, more specifically say a brief type gantry crane floating gate leg frame convenient to spelling and dismantlement.

Background

The gantry crane is widely applied to outdoor goods yards and stock yards for goods loading and unloading operation, is also widely applied to construction sites such as construction sites and wind power construction for engineering construction and hoisting, makes outstanding contribution to modern construction of China, and has the characteristics of high site utilization rate, large operation range, wide application range, strong universality and the like. In most construction engineering construction, after the engineering is finished, construction equipment such as a gantry crane and the like needs to be transferred to the next engineering construction site, so that the gantry crane often needs to be transferred for use, and particularly, with the acceleration of the modernized construction speed, the transfer frequency of the gantry crane is increased, and the transfer period is shortened. Therefore, most functional components in the gantry crane are required to meet the transition requirements of quick assembly, quick disassembly and convenient transportation. The main part of the portal crane, which is also the part with larger volume and total amount, is a crane main beam and two movable portal leg frames which are respectively supported at two ends of the crane main beam. Because the cross section of hoist girder is the same, unified the making into can fast assembly, quick dismantlement, the standard section of convenient transportation easily. In order to meet the supporting requirement and the function of walking along a ground track, the movable door leg frame needs to be designed with an irregular section which is small at the top and large at the bottom, and can not be manufactured into a uniform standard section like a crane girder, so that the traditional movable door leg frame is generally designed into an integral structure. The integral movable door leg frame occupies too much space during transition transportation, so that the integral movable door leg frame is very unfavorable for transition transportation. Therefore, the integral movable door leg frame needs to be optimized and simplified, so that the crane main beam can be safely and stably supported and the crane main beam can travel along the ground track, the crane main beam can be quickly assembled and disassembled, the assembling and disassembling time needs to be greatly shortened, the transition efficiency of the crane needs to be improved, and the crane is convenient to transition and transport.

Disclosure of Invention

The purpose of the utility model is to provide a simple type gantry crane floating gate leg frame convenient to assemble and dismantle aiming at the shortcomings existing in the prior art. The utility model discloses a on guaranteeing to support the crane girder and follow the basis of ground rail-engaging function by the safety and stability, optimize and brief processing traditional overall structure, can realize fast assembly and quick dismantlement, shortened installation and takedown time greatly, obviously improve the efficiency of transition of hoist, be convenient for transition and transportation have the structure brief, convenient processing, be convenient for assemble, convenient to detach, do benefit to transition, safety and stability's advantage.

The purpose of the utility model can be realized by the following technical measures:

the utility model discloses a brief type gantry crane floating gate leg frame convenient to assemble and dismantle includes that the top passes through the hinge and articulates two landing leg frame (being) that support in the hoist girder tip left and right sides with the splayed symmetric mode beyond the round pin axle through the hinge, connect between the well upper portion of two landing leg frame through flange and bolt cooperation mode, and be used for supporting the entablature of hoist girder bottom (the flange aligns, and screw up the bolt back, just can be connected as an organic wholely with the well upper portion of two landing leg frame, assemble into a big rigidity body fast, after dismantling the bolt, take off the entablature, just can separate two landing leg frame fast, realize quick dismantlement simultaneously in the bottom that operating condition entablature still is used for supporting the hoist girder, the end cross-beam of connecting between two landing leg frame bottoms through flange and bolt cooperation mode (can be as an organic wholely and assemble into one through the bottom cross-beam with the bottom of two landing leg frame fast connection of flange and bolt cooperation mode A large-rigidity body, and quick disassembly can be realized by utilizing a connection mode of matching a flange and a bolt), and a traveling wheel assembly arranged below the bottom of the landing leg frame (so that the utility model has a traveling and moving function and can move the portal crane to a lifting position); the supporting leg frame comprises an inverted triangle support (the inverted triangle support has stability) formed by welding two supporting legs and a transverse connecting rod group, and two inclined connecting rods (used for connecting a main beam of the crane) which are vertically fixed at two ends of the transverse connecting rod and are coplanar with the inverted triangle support.

In the utility model, flanges are vertically fixed at both ends of the upper beam and the bottom beam; flanges and cushion blocks (the cushion blocks are used for supporting and fixing the flanges) are respectively fixed at the middle upper parts and the bottoms of the opposite side surfaces of the two supporting legs.

The utility model discloses in the top of oblique connecting rod is provided with and is used for the cartridge round pin axle, articulates the hinge that links to each other with the hoist girder (be convenient for fast assembly or dismantlement- -after the hinge hole site of pairing is adjusted well, only need the cartridge on the round pin axle just can realize fast articulated, pull out the round pin axle just can realize fast dismantling).

The design principle of the utility model is as follows:

the utility model discloses a top is articulated through the round pin axle with gantry crane's bottom, the utility model discloses still connect the bottom end rail through flange and bolt cooperation mode between the bottom of two landing leg framves, quick connection between the well upper portion goes up the crossbeam, two landing leg framves pass through the bottom end rail like this, assemble into a big rigid support after the entablature is even soon, not only can support the crane girder by the safety and stability, can realize fast assembly and quick dismantlement moreover, the installation and the takedown time have been shortened greatly, obviously improve the efficiency of transition of hoist, be convenient for transition and transportation. Simultaneously the utility model discloses a walking wheel subassembly that can remove the gantry crane to lift by crane the position is installed to the bottom, has still satisfied gantry crane along the basic function of ground rail walking.

The utility model has the advantages of as follows:

the utility model discloses a on guaranteeing to support the crane girder and follow the basis of ground rail-engaging function by the safety and stability, optimize and brief processing traditional overall structure, can realize fast assembly and quick dismantlement, shortened installation and takedown time greatly, obviously improve the efficiency of transition of hoist, be convenient for transition and transportation have the structure brief, convenient processing, be convenient for assemble, convenient to detach, do benefit to transition, safety and stability's advantage.

Drawings

Fig. 1 is a front view of the structure of the present invention in the mounted state.

Fig. 2 is a left side view of fig. 1 with the road wheel assembly removed.

Fig. 3 is a schematic structural view of the leg rest.

Fig. 4 is a left side view of fig. 3.

The sequence numbers in the figures illustrate: 1. the crane comprises a supporting leg frame 1-1, an inverted triangular support 1-1, supporting legs 1-1-2, transverse connecting rods 1-2, inclined connecting rods 2, an upper cross beam 3, a bottom cross beam 4, a walking wheel assembly 5, flanges 6, bolts 7, supporting cushion blocks 8, hinges 9, pin shafts 10 and a crane girder.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in figures 1-4, the simple portal crane movable door leg frame convenient for assembly and disassembly of the utility model comprises two leg frames 1 (the support main body of the utility model) which are hinged and supported at the left and right sides of the end part of a crane main beam 10 through hinges 8 and pin shafts 9 at the top part in a splayed symmetrical mode, an upper beam 2 which is connected between the middle upper parts of the two leg frames in a matching mode of a flange 5 and a bolt 6 and is used for supporting the bottom part of the crane main beam (after the flange 5 is aligned and the bolt 6 is screwed up, the upper beam 2 and the middle upper parts of the two leg frames 1 can be connected into a whole to be quickly assembled into a large-rigidity body, after the bolt 6 is disassembled, the upper beam 2 is taken down to quickly separate the two leg frames 1 to realize quick disassembly, and simultaneously, the upper beam 2 is also used for supporting the bottom part of the crane main beam 10 in a working state), a bottom beam 3 connected between the bottoms of the two supporting leg frames in a matching mode of a flange 5 and a bolt 6 (the bottoms of the two supporting leg frames 1 can be quickly connected into a whole and assembled into a large-rigidity body through the bottom beam 3, and quick disassembly can be realized by using the matching connection mode of the flange 5 and the bolt 6), and a walking wheel component 4 arranged below the bottom of the supporting leg frame (so that the utility model has a walking and moving function and can move the portal crane to a hoisting position); the leg support 1 comprises an inverted triangle support 1-1 (the inverted triangle support 1-1 has stability) formed by welding two legs 1-1-1 and a transverse connecting rod 1-1-2, and two inclined connecting rods 1-2 (used for connecting a crane main beam 10) which are vertically fixed at two ends of the transverse connecting rod 1-1-2 and are coplanar with the inverted triangle support 1-1.

In the utility model, flanges 5 are vertically fixed at both ends of the upper crossbeam 2 and the bottom crossbeam 3; flanges 5 and spacers 7 are fixed to the middle upper portion and the bottom portion of the opposite sides of the two legs 1-1-1, respectively (the spacers 7 are used for supporting and fixing the flanges 5).

The utility model discloses in the top of oblique connecting rod 1-2 be provided with be used for cartridge pin 9, with the articulated hinge 8 that links to each other of hoist girder 10 (be convenient for fast assembly or dismantlement- -after the hinge 8 hole site of pairing is adjusted well, only need the cartridge to go up pin 9 and just can realize fast articulated, pull out pin 9 and just can realize fast dismantling).

The utility model discloses a concrete in service behavior as follows:

when the parts to be assembled of the utility model are transferred to a new construction site along with the portal crane, firstly, two utility models are assembled, namely four supporting leg frames 1 are divided into two groups, the bottoms of the two supporting leg frames 1 in each group are quickly connected through a bottom cross beam 3, and the middle upper parts are quickly connected through an upper cross beam 2 to be assembled into a large rigid body, namely, only corresponding paired flanges 5 are aligned and bolts 6 are screwed; then, the walking wheel assemblies 4 are arranged at the front end and the rear end below the bottom of each group of two supporting leg frames 1, so that the quick assembly of the utility model is completed; then, two groups of the assembled utility model are placed on two parallel walking tracks; then, transversely erecting and straddling the crane main beam 10 above the two upper cross beams 2 corresponding to the utility model; finally, pin 9 is inserted after aligning hinge 8 on the oblique connecting rod 1-2 in each leg frame 1 and the hole site of the corresponding connecting position in the crane girder 10, so that the utility model can be rapidly articulated with the crane girder 10.

After this place engineering is accomplished the utility model discloses need be along with gantry crane is when being transferred to new job site, only need demolish round pin axle 9, bolt 6, just can realize the utility model discloses a quick dismantlement is convenient for transfer and transportation.

Claims (3)

1. The utility model provides a brief type gantry crane floating gate leg frame convenient to assembly and disassembly, its characterized in that: the movable door leg frame comprises two leg frames (1) hinged and supported on the left side and the right side of the end part of a crane main beam (10) at the tops in a splayed symmetrical mode through hinges (8) and pin shafts (9), an upper cross beam (2) connected between the middle upper parts of the two leg frames in a flange (5) and bolt (6) matching mode and used for supporting the bottom of the crane main beam, a bottom cross beam (3) connected between the bottoms of the two leg frames in a flange (5) and bolt (6) matching mode, and a traveling wheel assembly (4) arranged below the bottoms of the leg frames; the leg support (1) comprises an inverted triangular support (1-1) formed by welding two legs (1-1-1) and a transverse connecting rod (1-1-2), and two inclined connecting rods (1-2) which are vertically fixed at two ends of the transverse connecting rod (1-1-2) and are coplanar with the inverted triangular support (1-1).

2. The simple portal crane moving door leg frame convenient for assembling and disassembling according to claim 1, wherein: flanges (5) are vertically fixed at two ends of the upper cross beam (2) and the bottom cross beam (3); flanges (5) and cushion blocks (7) are respectively fixed on the middle upper parts and the bottoms of the opposite side surfaces of the two supporting legs (1-1-1).

3. The simple portal crane moving door leg frame convenient for assembling and disassembling according to claim 1, wherein: the top end of the inclined connecting rod (1-2) is provided with a hinge (8) which is used for being inserted with a pin shaft (9) and is hinged with a crane girder (10).

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