CN213475221U - General gantry crane - Google Patents

Abstract

The utility model relates to a universal portal crane, which comprises a support leg, a support leg joist and a main beam, wherein the main beam is provided with a hoisting mechanism, the front end and the rear end inside the support leg joist are provided with walking wheels, the outer side of the support leg joist is fixed with a driving motor, the output shaft of the driving motor is connected with a driving shaft in a transmission way, the walking wheels are fixedly sleeved on the driving shaft, and the inside of the support leg joist is provided with a cleaning mechanism; the sweeping mechanism comprises a first rotating shaft and a second rotating shaft which are rotatably connected inside a supporting leg supporting beam, a first brush roller and a second brush roller are fixedly sleeved outside the first rotating shaft and the second rotating shaft respectively, a first driving wheel and a second driving wheel are fixed at two ends of a driving shaft respectively, a first driven wheel is fixed at one end of the first rotating shaft, the first driving wheel and the first driven wheel are in transmission through a first chain, a second driven wheel is fixed at one end of the second rotating shaft, and the second driving wheel and the second driven wheel are in transmission through a second chain. The problem of gantry crane track clean untimely, artifical intensity of labour is big is solved.

Description

General gantry crane

Technical Field

The utility model belongs to the technical field of the hoist, especially, relate to a universal gantry crane.

Background

The portal crane is structurally similar to a portal frame and mainly comprises a main beam and supporting legs fixedly connected with the main beam, the supporting legs can directly run on a track on the ground, the portal crane is mainly used for loading and unloading outdoor goods yard, stock yard goods and bulk goods, and has the characteristics of high site utilization rate, large operation range, wide application range, strong universality and the like. Because portal crane often carries out the hoist and mount operation in the open air, consequently, lay and often can gather debris such as grit on the track on ground, the wheel can roll these debris when passing through from the track, causes the injury to wheel and track, reduces the life of wheel and track, causes harmful effects to the stability of hoist operation. Traditional track cleaning methods are mostly manual cleaning, and manual cleaning can only be carried out when equipment is shut down, and is clean not timely enough, and intensity of labour is big, increases working cost, has the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a universal gantry crane for solve the technical problem that gantry crane track among the prior art is clean untimely, artifical intensity of labour is big.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the universal portal crane comprises supporting legs, wherein supporting leg joists are fixed at the bottoms of the supporting legs, main beams are fixed at the tops of the supporting legs, lifting mechanisms used for lifting heavy objects are assembled on the main beams, a cart walking track is paved on the ground, the direction of the cart walking track is taken as the front-back direction, the supporting leg joists are of a box body structure with an opening at the bottom end and a hollow interior, walking wheels are arranged at the front end and the rear end inside the supporting leg joists, the walking wheels are in rolling fit with the cart walking track, a motor base is fixed on the outer sides of the supporting leg joists, a driving motor is fixed on the motor base, an output shaft of the driving motor is connected with a driving shaft through a reducer in a transmission mode, one end, deviating from the driving motor, of the driving shaft is rotatably connected to the inner walls of the supporting leg joists, the walking; the cleaning mechanism comprises a first rotating shaft, a second rotating shaft and a first rotating shaft which are respectively arranged at the front side and the rear side of the travelling wheel, the second pivot is all rotated and is connected inside the landing leg joist, the fixed cover in outside of first pivot is equipped with first brush roller, the fixed cover in outside of second pivot is equipped with the second brush roller, the periphery of first brush roller all is equipped with the brush hair with the periphery of second brush roller, the brush hair contacts with the orbital upper surface of cart walking, the fixed cover is equipped with first action wheel and second action wheel respectively at the both ends of drive shaft, the fixed cover in one end of first pivot is equipped with first action wheel matched with from the driving wheel, first action wheel and first are connected through first chain drive from between the driving wheel, the fixed cover in one end of second pivot is equipped with and follows driving wheel with second action wheel matched with second, second action wheel and second are connected through second chain drive from between the driving wheel.

Preferably, the equal fixedly connected with of both ends installs the pole vertical downward setting around landing leg joist is inside, and the installation pole at landing leg joist both ends sets up with first brush roller, second brush roller interval respectively, and the bottom of installation pole extends to the outside of landing leg joist and can dismantle the cleaning plate that fixedly connected with level set up through the bolt.

Preferably, the sweeping board is in an isosceles trapezoid structure with a narrow head and a wide tail.

Preferably, the bristles are antistatic plastic bristles.

The utility model has the advantages that: (1) the structure is simple and compact, the driving motor can drive the travelling wheels to rotate when working, so that the first brush roller and the second brush roller are driven to rotate, when the crane moves along the cart travelling track, impurities such as sand stones accumulated on the cart travelling track are timely cleaned by the first brush roller and the second brush roller, a good environment is provided for stable and safe operation of the crane, the service lives of the travelling wheels and the cart travelling track are prolonged, manual cleaning is not needed, the working cost is reduced, and the potential safety hazard is reduced; (2) the sweeping plate can clear away large-size obstacles accumulated on the surface of the cart running track, the working loads of the first brush roller and the second brush roller are reduced, and the service life of the bristles is prolonged.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial cross-sectional view of a leg joist;

FIG. 3 is a schematic structural view of the connection between the traveling wheels and the first and second brush rollers;

fig. 4 is a schematic structural view of the sweeping board.

Reference numerals: the device comprises 1-supporting leg, 2-supporting leg joist, 3-main beam, 4-lifting mechanism, 5-cart walking track, 6-walking wheel, 7-driving motor, 8-driving shaft, 9-first rotating shaft, 10-second rotating shaft, 11-first brush roller, 12-second brush roller, 13-first driving wheel, 14-second driving wheel, 15-first driven wheel, 16-first chain, 17-second driven wheel, 18-second chain, 19-mounting rod and 20-cleaning plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

As shown in figure 1, the utility model comprises a supporting leg 1, a supporting leg joist 2 is fixed at the bottom of the supporting leg 1, a main beam 3 is fixed at the top of the supporting leg 1, a hoisting mechanism 4 for hoisting heavy objects is assembled on the main beam 3, the hoisting mechanism 4 is a hoisting mechanism commonly used by portal cranes in the prior art, a cart walking track 5 is paved on the ground, the direction of the cart walking track 5 is taken as the front-back direction, the supporting leg joist 2 is a box body structure with an open bottom and a hollow interior, walking wheels 6 are arranged at the front end and the rear end inside the supporting leg joist 2, the walking wheels 6 are in rolling fit with the cart walking track 5, a motor base is fixed at the outer side of the supporting leg joist 2, a driving motor 7 is fixed on the motor base, the driving motor 7 is a three-phase asynchronous motor, as shown in figure 2, an output shaft of the driving motor 7 is connected with a driving shaft 8 through a reducer transmission, one end of the driving shaft, the walking wheels 6 are fixedly sleeved on the driving shaft 8, and a cleaning mechanism for cleaning the walking track 5 of the cart is arranged in the supporting leg supporting beam 2. The sweeping mechanism comprises a first rotating shaft 9 and a second rotating shaft 10 which are respectively arranged at the front side and the rear side of a travelling wheel 6, the first rotating shaft 9 and the second rotating shaft 10 are respectively connected inside a supporting leg joist 2 in a rotating way through bearings, a first brush roller 11 is fixedly sleeved outside the first rotating shaft 9, a second brush roller 12 is fixedly sleeved outside the second rotating shaft 10, brush bristles are respectively arranged on the periphery of the first brush roller 11 and the periphery of the second brush roller 12 and are contacted with the upper surface of a cart travelling track 5, a first driving wheel 13 and a second driving wheel 14 are respectively fixedly sleeved at the two ends of a driving shaft 8, a first driven wheel 15 matched with the first driving wheel 13 is fixedly sleeved at one end of the first rotating shaft 9, the first driving wheel 13 is in transmission connection with the first driven wheel 15 through a first chain 16, a second driven wheel 17 matched with the second driving wheel 14 is fixedly sleeved at one end of the second rotating shaft 10, the second driving wheel 14 is in transmission connection with the second driven wheel 17 through a second chain 18.

Preferably, as shown in fig. 2, the front end and the rear end of the inside of the leg joist 2 are fixedly connected with mounting rods 19 which are vertically arranged downwards, the mounting rods 19 at the two ends of the leg joist 2 are respectively arranged at intervals with the first brush rollers 11 and the second brush rollers 12, and the bottom ends of the mounting rods 19 extend to the outside of the leg joist 2 and are detachably and fixedly connected with horizontally arranged sweeping plates 20 through bolts. The sweeping board 20 can clear away the large-size obstacles accumulated on the surface of the cart walking track 5, the work loads of the first brush roller 11 and the second brush roller 12 are reduced, the service life of the bristles is prolonged, the installation rod 19 is detachably and fixedly connected with the sweeping board 20, the sweeping board 20 is maintained and replaced in time conveniently, and the work efficiency is improved.

Preferably, as shown in fig. 4, the sweeping board 20 has an isosceles trapezoid structure with a narrow head and a wide tail, so that impurities can be pushed to both sides of the cart running rail 5 during sweeping, the use is convenient, and the sweeping efficiency is improved.

Preferably, the bristles are anti-static plastic bristles, so that static electricity is prevented from being generated in the cleaning process, and the safety performance of the whole device is improved.

Hoisting mechanism 4, walking wheel 6 described in this embodiment are prior art, and specific structure is not described herein again.

The utility model discloses a theory of operation and working process: during the use, start driving motor 7, driving motor 7 drives walking wheel 6 and rotates and makes the hoist remove along cart walking track 5, and meanwhile, drive shaft 8 drives first action wheel 13, second action wheel 14 rotatory to it is rotatory to drive first from driving wheel 15, the second from driving wheel 17, finally drives first brush roller 11 and second brush roller 12 and rotates, and debris such as grit that first brush roller 11 and second brush roller 12 gathered on with cart walking track 5 are in time cleared up. Along with the movement of the travelling wheels 6, the sweeping board 20 cleans the obstacles with larger volume accumulated on the surface of the cart travelling track 5, reduces the working load of the first brush roller 11 and the second brush roller 12, and prolongs the service life of the bristles. The utility model discloses simple structure, convenient to use, clearance are effectual, have solved the clean untimely, the big problem of artifical intensity of labour of gantry crane track.

The above embodiments are for the description of the present invention, not for the limitation of the present invention, and any scheme after simply changing the present invention all belongs to the protection scope of the present invention.

Claims (4)

1. The utility model provides a universal gantry crane, includes the landing leg, and the landing leg bottom is fixed with the landing leg joist, and the landing leg top is fixed with the girder, is equipped with the hoisting mechanism who is used for rising the heavy object on the girder, and the subaerial shop is equipped with cart walking track to the orbital direction of cart walking is fore-and-aft direction, its characterized in that: the supporting leg supporting beam is of a box body structure with an opening at the bottom end and a hollow interior, walking wheels are arranged at the front end and the rear end of the interior of the supporting leg supporting beam, the walking wheels are in rolling fit with a cart walking track, a motor base is fixed on the outer side of the supporting leg supporting beam, a driving motor is fixed on the motor base, an output shaft of the driving motor is connected with a driving shaft through transmission of a speed reducer, one end of the driving shaft, which is far away from the driving motor, is rotatably connected to the inner wall of the supporting leg supporting beam, the walking wheels are fixedly sleeved on the driving shaft, and a cleaning; the cleaning mechanism comprises a first rotating shaft, a second rotating shaft and a first rotating shaft which are respectively arranged at the front side and the rear side of the travelling wheel, the second pivot is all rotated and is connected inside the landing leg joist, the fixed cover in outside of first pivot is equipped with first brush roller, the fixed cover in outside of second pivot is equipped with the second brush roller, the periphery of first brush roller all is equipped with the brush hair with the periphery of second brush roller, the brush hair contacts with the orbital upper surface of cart walking, the fixed cover is equipped with first action wheel and second action wheel respectively at the both ends of drive shaft, the fixed cover in one end of first pivot is equipped with first action wheel matched with from the driving wheel, first action wheel and first are connected through first chain drive from between the driving wheel, the fixed cover in one end of second pivot is equipped with and follows driving wheel with second action wheel matched with second, second action wheel and second are connected through second chain drive from between the driving wheel.

2. Universal gantry crane according to claim 1, characterized in that: the equal fixedly connected with in both ends installs the pole vertical downward setting around the landing leg joist is inside, and the installation pole at landing leg joist both ends sets up with first brush roller, second brush roller interval respectively, and the bottom of installation pole extends to the outside of landing leg joist and can dismantle the sweeping plate that fixedly connected has the level to set up through the bolt.

3. Universal gantry crane according to claim 2, characterized in that: the sweeping board is in an isosceles trapezoid structure with a narrow head and a wide tail.

4. Universal gantry crane according to claim 2, characterized in that: the bristles are antistatic plastic bristles.

Images