CN201678371U

CN201678371U - Suspension driving system for rigid leg wheels of gantry crane

Info

Publication number: CN201678371U
Application number: CN2010202114964U
Authority: CN
Inventors: 李国建; 曹玉林
Original assignee: Nantong Rainbow Heavy Machineries Co Ltd
Current assignee: Nantong Rainbow Heavy Machineries Co Ltd
Priority date: 2010-06-01
Filing date: 2010-06-01
Publication date: 2010-12-22
Anticipated expiration: 2020-06-01

Abstract

The utility model relates to a suspension driving system for rigid leg wheels of a gantry crane, which is characterized in that lower surfaces of the left and right ends of each rigid leg of the crane are respectively connected with a first connecting device, a second connecting device is arranged between the two first connecting devices, each first connecting device is connected with a first wheel casing connector via a first rotating shaft, the left and right ends of the second connecting device are connected with second wheel casing connectors via second rotating shafts, wheel casings are arranged between the right end of the first second wheel casing connector and the left end of the secondary second wheel casing connector, each wheel casing is provided with a rolling device inside, the first rolling device counted from left to right is connected with a speed reducing box, and the speed reducing box is provided with a motor. The suspension driving system has the advantages of guaranteeing balance and buffering when in running of a carriage of the gantry crane and saving materials.

Description

The suspension drive system of portal crane stiff-leg wheel

Technical field:

The utility model relates to a kind of suspension drive system of portal crane stiff-leg wheel, balance and buffering when being used for the portal crane walking.

Background technology:

Balance and the buffer action of the chassis device of general portal crane rigidity leg when reaching walking, all be to constitute by the equalizing bar of pagoda type from level to level, two one group chassis wheel carrier then level is installed in orlop, such structure needs the equalizing bar of multilayer not only to need a lot of materials, and because the increase of weight directly causes the increase of chassis driving power, and the increase of the track concrete foundation material that causes indirectly walking.

The utility model content:

The purpose of this utility model is in order to overcome above deficiency, a kind of balance and buffer action can guarantee crane large vehicle walking the time is provided, saved equalizing bar from level to level again, thereby not only saved material but also reduced power and saved the suspension drive system of portal crane stiff-leg wheel of the concrete material on crane track basis for the user.

The purpose of this utility model is achieved through the following technical solutions: a kind of suspension drive system of portal crane stiff-leg wheel, comprise crane stiff-leg, lower surface respectively is connected with one first connecting device at two ends, the crane stiff-leg left and right sides, between two first connecting devices, be provided with a plurality of second connecting devices, place about a plurality of second connecting devices, each first connecting device all is connected with the first wheel shell attaching parts by first rotating shaft, the two ends, the left and right sides of each second connecting device all are connected with the second wheel shell attaching parts jointly by second rotating shaft, between the left end of the first wheel shell attaching parts of arranging from left to right and first second wheel shell attaching parts, be provided with the wheel shell, also be provided with the wheel shell between the right-hand member of first second wheel shell attaching parts and the left end of second second wheel shell attaching parts, successively to the right, all be connected with a wheel shell in a manner described between per two adjacent wheel shell attaching partss, be equipped with tourelle in each wheel shell, Shuo first tourelle is connected with drop-gear box from left to right, be provided with worm gear and worm screw in the drop-gear box, worm gear is connected with worm mesh, drop-gear box is provided with motor, and the rotating shaft of motor is passed drop-gear box and is connected with worm screw.

Further improvement of the utility model is: described first connecting device is first hanger, and first hanger is connected with the first wheel shell attaching parts by first rotating shaft, and the first wheel shell attaching parts places the front portion, lower end of first hanger.

Further improvement of the utility model is: each described second connecting device includes second hanger, the 3rd rotating shaft and floating lever, second hanger is connected with the lower surface of crane stiff-leg, the front portion, lower end of second hanger is provided with floating lever, be connected by the 3rd rotating shaft between second hanger and the floating lever, the two ends, the left and right sides of floating lever all are connected with the second wheel shell attaching parts jointly by second rotating shaft.

Further improvement of the utility model is: described tourelle comprises wheel, axletree and bearing seat, be equipped with a bearing seat in the front and rear wall of wheel shell, run through between two bearing seats and be provided with axletree, be with wheel on the axletree, all the blind lid of one axletree is arranged on the front and rear wall of each wheel shell by bolted connection, the blind lid of axletree that passes on the wheel shell antetheca of the front end of Shuo first axletree places drop-gear box from left to right, and is connected with worm gear.

The utility model compared with prior art has the following advantages: motor is installed on the drop-gear box and with worm screw is connected, the drop-gear box worm gear then can directly be connected with the chassis wheel shaft, rotate through the drop-gear box drive wheels by electrical motor, be that motor gets and drives adhesion wheel through drop-gear box after electric and rotate, drive passive wheel, thereby dragging whole hoisting crane advances, and adopt floating lever to connect between each wheel, form flexible structure, balance in the time of guaranteeing crane large vehicle walking and buffer action, save equalizing bar from level to level again, thereby not only saved material but also reduced power and saved the concrete material on crane track basis for the user

Description of drawings:

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is that the A-A of Fig. 1 is to structural representation;

Fig. 3 is that the B-B of Fig. 1 is to structural representation;

Number in the figure: 1-crane stiff-leg, 2-first connecting device, 3-second connecting device, 4-first rotating shaft, the 5-first wheel shell attaching parts, 6-second rotating shaft, the 7-second wheel shell attaching parts, 8-wheel shell, 9-drop-gear box, 10-worm gear, 11-worm screw, 12-motor, 13-first hanger, 14-second hanger, 15-the 3rd rotating shaft, 16-floating lever, 17-wheel, 18-axletree, 19-bearing seat, the blind lid of 20-Wheel bearing.

The specific embodiment:

In order to deepen understanding of the present utility model, the utility model is described in further detail below in conjunction with embodiment and accompanying drawing, and this embodiment only is used to explain the utility model, does not constitute the qualification to the utility model protection domain.

As Fig. 1, Fig. 2 and Fig. 3 show a kind of specific embodiment of the suspension drive system of the utility model portal crane stiff-leg wheel, comprise crane stiff-leg 1, lower surface respectively is connected with one first connecting device 2 at two ends, crane stiff-leg 1 left and right sides, each first connecting device 2 is first hanger 13, first hanger 13 is connected with the first wheel shell attaching parts 5 by first rotating shaft 4, the first wheel shell attaching parts 5 places the front portion, lower end of first hanger 13, between two first connecting devices 2, be provided with a plurality of second connecting devices 3, a plurality of second connecting devices about 3 are placed, each first connecting device 2 all is connected with the first wheel shell attaching parts 5 by first rotating shaft 4, the two ends, the left and right sides of each second connecting device 3 all are connected with the second wheel shell attaching parts 7 jointly by second rotating shaft 6, each described second connecting device 3 includes second hanger 14, the 3rd rotating shaft 15 and floating lever 16, second hanger 14 is connected with the lower surface of crane stiff-leg 1, the front portion, lower end of second hanger 14 is provided with floating lever 16, be connected by the 3rd rotating shaft 15 between second hanger 14 and the floating lever 16, the two ends, the left and right sides of floating lever 16 all are connected with the second wheel shell attaching parts 7 by second rotating shaft 6, between the left end of the first wheel shell attaching parts of arranging from left to right 5 and first second wheel shell attaching parts 7, be provided with wheel shell 8, also be provided with wheel shell 8 between the right-hand member of first second wheel shell attaching parts 7 and the left end of second second wheel shell attaching parts 7, successively to the right, all be connected with a wheel shell 8 in a manner described between per two adjacent wheel shell attaching partss, be equipped with tourelle in each wheel shell 8, Shuo first tourelle is connected with drop-gear box 9 from left to right, be provided with worm gear 10 and worm screw 11 in the drop-gear box 9, worm gear 10 and worm screw 11 are connected with a joggle, drop-gear box 9 is provided with motor 12, the rotating shaft of motor 12 is passed described drop-gear box 9 and is connected with worm screw 11, tourelle comprises wheel 17, axletree 18 and bearing seat 19, be equipped with bearing seat 19 in the front and rear wall of wheel shell 8, the axletree 18 that runs through to be provided with vertical placement between two bearing seats 19, be with wheel 17 on the axletree 18, all the blind lid 20 of one axletree is arranged on the front and rear wall of each wheel shell 8 by bolted connection, the front end of Shuo first axletree 18 passes the blind lid 20 of axletree and places described drop-gear box 9 from left to right, and be connected with worm gear 10, electrical motor 7 can be directly installed on the drop-gear box and be connected with worm screw, the drop-gear box worm gear then can directly be connected with the chassis wheel shaft, rotate through the drop-gear box drive wheels by electrical motor, remaining axletree 18 does not pass the blind lid 20 of described axletree, when work, motor 12 energising backs start, the worm screw 11 that the rotating shaft of motor 12 drives in the drop-gear box 9 is rotated, thereby driving worm gear 10 rotates, worm gear 10 drives axletree 18 and rotates, be that wheel 17 brings into operation, drive passive wheel by driving wheel like this, and then drag whole hoisting crane and advance, because between each wheel, except that the outer hanger then of head and the tail wheel, all connect with floating lever, form flexible structure, therefore work as hoisting crane and be subjected to external impacts, during perhaps unequal factor affecting, pressure can be as flat truck automatic compensation balance between each wheel, and can produce buffering, balance in the time of can guaranteeing crane large vehicle walking and buffer action, save equalizing bar from level to level again, thereby not only saved material but also reduced power and saved the concrete material on crane track basis for the user.

Claims

1. the suspension drive system of a portal crane stiff-leg wheel, comprise crane stiff-leg (1), it is characterized in that: described crane stiff-leg (1) two ends, left and right sides lower surface respectively is connected with one first connecting device (2), between two described first connecting devices (2), be provided with a plurality of second connecting devices (3), place about described a plurality of second connecting devices (3), each described first connecting device (2) all is connected with the first wheel shell attaching parts (5) by first rotating shaft (4), the two ends, the left and right sides of each described second connecting device (3) all are connected with the second wheel shell attaching parts (7) jointly by second rotating shaft (6), between the left end of the described first wheel shell attaching parts of arranging from left to right (5) and first described second wheel shell attaching parts (7), be provided with wheel shell (8), also be provided with wheel shell (8) between the left end of the right-hand member of first described second wheel shell attaching parts (7) and second second wheel shell attaching parts (7), successively to the right, all be connected with a wheel shell (8) in a manner described between per two adjacent wheel shell attaching partss, be equipped with tourelle in described each wheel shell (8), Shuo first tourelle is connected with drop-gear box (9) from left to right, be provided with worm gear (10) and worm screw (11) in the described drop-gear box (9), described worm gear (10) and worm screw (11) are connected with a joggle, described drop-gear box (9) is provided with motor (12), and the rotating shaft of described motor (12) is passed described drop-gear box (9) and is connected with described worm screw (11).

2. according to the suspension drive system of the described portal crane stiff-leg wheel of claim 1, it is characterized in that: described first connecting device (2) is first hanger (13), described first hanger (13) is connected with the first wheel shell attaching parts (5) by first rotating shaft (4), and the described first wheel shell attaching parts (5) places the front portion, lower end of described first hanger (13).

3. according to the suspension drive system of claim 1 or 2 described portal crane stiff-leg wheels, it is characterized in that: each described second connecting device (3) includes second hanger (14), the 3rd rotating shaft (15) and floating lever (16), described second hanger (14) is connected with the lower surface of described crane stiff-leg (1), the front portion, lower end of described second hanger (14) is provided with floating lever (16), be connected by the 3rd rotating shaft (15) between described second hanger (14) and the described floating lever (16), the two ends, the left and right sides of described floating lever (16) all are connected with the second wheel shell attaching parts (7) jointly by second rotating shaft (6).

4. according to the suspension drive system of each described portal crane stiff-leg wheel of claim 1-3, it is characterized in that: described tourelle comprises wheel (17), axletree (18) and bearing seat (19), be equipped with a bearing seat (19) in the front and rear wall of described wheel shell (8), run through between described two bearing seats (19) and be provided with described axletree (18), be with wheel (17) on the described axletree (18), all the blind lid of one axletree (20) is arranged on the front and rear wall of each described wheel shell (8) by bolted connection, the blind lid of axletree (20) that passes on described wheel shell (8) antetheca of the front end of the described axletree of Shuo first (18) places described drop-gear box (9) from left to right, and is connected with described worm gear (10).