CN2520244Y

CN2520244Y - Concrete mixer

Info

Publication number: CN2520244Y
Application number: CN 02218812
Authority: CN
Inventors: 李汉兵; 朱余健
Original assignee: Nantong Quantong Building Machinery Co ltd
Current assignee: Nantong Quantong Building Machinery Co ltd
Priority date: 2002-02-07
Filing date: 2002-02-07
Publication date: 2002-11-13
Anticipated expiration: 2012-02-07

Abstract

The utility model relates to a stirring device, comprising a chassis, a water supply mechanism, a supporting leg, a road wheel, a front supporting wheel, an electrical control box and a feeding frame which are respectively connected with the chassis, a middle hopper connected with the feeding frame, a feeding hopper and a feeding mechanism capable of moving up and down on the feeding frame. A stirring barrel is supported and driven by four riding wheels which are respectively fixed on two riding wheel shafts, one end of each riding wheel shaft is connected with a gearbox output shaft of a motor reducing gear arranged on the chassis, and the riding wheel shaft is connected with the chassis through a bearing and a bearing seat. The stirring device has the main advantages that the stirring barrel is driven by four riding wheels which do not skid on the stirring barrel, which reduces riding wheels abrasion and extends service life. Motor power of the feeding mechanism is reduced, electricity is saved, a clutch is connected with the riding wheels to an integral, structure is compact, and material is saved.

Description

Concrete mixer

The utility model relates to a kind of agitating device, particularly a kind of concrete mixer.

Existing JZM 350 concrete mixers, its tube of mixing is supported by four support rollers, wherein two active support rollers are contained on the supporting-roller shaft, be used for supporting and drive mixing the tube rotation, other two passive support rollers are contained on another supporting-roller shaft, only play supporting and mix tube, rainy, mist, under the wet weather situations such as frost, because of mix the outer support roller runway of tube and initiatively the humidity on the support roller cause initiatively that frictional force reduces between support roller and support roller runway, skidding often appears, not only initiatively support roller is frayed because of skidding with the support roller runway of mixing outside the tube, and influences the operate as normal of mixer; Also there are the improved place of needs in feed mechanism, stirring transmission mechanism.

The purpose of this utility model is: a kind of technical scheme of concrete mixer is provided, and four support rollers of this machine all play supporting and drive to mix tube, and non-slip between support roller and the support roller runway of mixing outside the tube, structure is more reasonable, and is easy to use, power saving.

The technical solution of the utility model is: concrete mixer is the improvement to existing JZM350 concrete mixer, it comprises the chassis, the water supply mechanism that is connected with the chassis respectively, chassis supported supporting leg, the road wheel that is used for the shift position, preceding wheel, electric control box, stock shelf, add the middle hopper that is connected with material loading, the elevating hopper that can on stock shelf, move up and down, the feed mechanism of pulling elevating hopper, mix tube by being separately fixed at 4 support roller supportings on two supporting-roller shaft and driving running, two support rollers are housed on the every supporting-roller shaft, two supporting-roller shaft one ends respectively be contained in the chassis on the reduction gearbox output shaft of two electric reducers be connected, supporting-roller shaft is connected with the chassis with bearing block by bearing.Water supply mechanism is made of the motor of water pump that is connected with the chassis and driving water pump.

Feed mechanism comprises the cable drum on electric reducer and the reduction gearbox output shaft thereof, steel wire rope, leading block, running block, fixed pulley, the travel switch of control elevating hopper lifting position is equipped with on stock shelf top, the stock shelf top is fixed with fixed pulley, leading block, the elevating hopper middle part is fixed with running block, walk around fixed pulley, one end of the steel wire rope of running block and leading block is fixedlyed connected with the stock shelf upper end, cable drum on the reduction gearbox output shaft of the other end and electric reducer is connected, running block is made of two pulleys, two pulleys flexibly connect with bearing and bearing pin, can rotate around bearing pin, fixedly connected with the running block shell in the bearing pin two ends; The running block shell is connected with elevating hopper; Electric reducer is connected with the chassis.

The support roller of every supporting-roller shaft one end comprises the shaft coupling inner bag, the shaft coupling shell of the band spring column pin that is complementary with the shaft coupling inner bag, on the outer surface of shaft coupling shell rubber layer is arranged, porose on the shaft coupling inner bag, the reduction gearbox output shaft external diameter of its aperture and electric reducer is complementary, be useful on the keyway that is connected with reduction gearbox output shaft on the hole wall, flexible pin groove on the outer surface of shaft coupling inner bag, corresponding one by one with the spring column pin groove on the inner hole wall of shaft coupling shell one end, flexible pin in the spring column pin groove of every pair of correspondence, the hole that also has diameter and supporting-roller shaft one end external diameter to be complementary in the shaft coupling shell other end is useful on the keyway that is connected with supporting-roller shaft on the hole wall.

Major advantage of the present utility model is: mix tube and driven by 4 support rollers on two supporting-roller shaft, a support roller and mix between support roller runway on the tube frictional force and increase about 80% when using two support rollers to drive to mix tin, support roller and mix between tube non-slip, even descend in wet weather situations such as rain, frost, mists, also can normally use, reduce the wearing and tearing of support roller, improved the service life of support roller; Because the running block that elevating hopper adopts two pulleys to form, the motor that material loading is used is reduced to 3 kilowatts by 4.5 kilowatts, has saved power consumption, and elevating hopper is more steady when mobile on stock shelf; Because shaft coupling and support roller are integrated, and help saving material, more reasonable structure, tightly play, made things convenient for installation and maintenance.

Below in conjunction with drawings and Examples the utility model is further specified:

Fig. 1: the concrete mixer structural representation,

The right view of Fig. 2: Fig. 1,

Fig. 3: support roller transmission mechanism structural representation,

Fig. 4: the feed mechanism structural representation,

The running block A-A cutaway view of Fig. 5: Fig. 4,

Embodiment 1:

Concrete mixer comprises chassis 9 (see figure 1)s, the water supply mechanism 6 that is connected with the chassis respectively, chassis supported supporting leg 2, road wheel 4, preceding wheel 3, electric control box 7 (see figure 2)s, stock shelf 11-6, the middle hopper 5 that is connected with stock shelf, the elevating hopper 11-3 that can on stock shelf, move up and down, feed mechanism 11, mix tube 8 by being separately fixed at 4 support roller 10-1 supportings on two supporting-roller shaft 10-2 and driving the running (see figure 3), be fixed with two support rollers on the every supporting-roller shaft, two supporting-roller shaft one ends are connected with the reduction box 10--7-1 output shaft 10-7-1-1 of last two the electric reducer 10-7 that are contained in the chassis with shaft coupling respectively, driving 4 support rollers rotates, mixing tube by friction-driven again rotates, mix the just commentaries on classics of tube, concrete stirring and discharging are finished in counter-rotating respectively.Supporting-roller shaft is connected with the chassis with bearing block 10-11 by bearing.Water supply mechanism 6 is made of the motor of water pump that is connected with the chassis and driving water pump.10 is support roller transmission mechanisms among Fig. 1, the 12nd, and support roller cover, the 13rd, walking wheel cover, the 1st, hitch frame.Feed mechanism comprises cable drum on the electric reducer that is connected with the chassis and the reduction gearbox output shaft thereof, steel wire rope one end of walking around fixed pulley and movable pulley is connected with the stock shelf upper end, the other end is connected with cable drum, movable pulley is connected with elevating hopper, fixed pulley is fixed on the stock shelf top, and the elevating hopper travel switch is housed on the stock shelf.

Embodiment 2:

With embodiment 1 difference be: shaft coupling that supporting-roller shaft 10-2 one end is connected with reduction gearbox output shaft 10-7-1-1 and the support roller on the supporting-roller shaft (see figure 3) that is integrated, its structure comprises shaft coupling inner bag 10-5, the shaft coupling shell 10-4 of the band spring column pin that is complementary with the shaft coupling inner bag, rubber layer 10-8 is arranged on the outer peripheral face of shaft coupling shell, porose on the shaft coupling inner bag, the external diameter of the output shaft 10-7-1-1 of the reduction box 10-7-1 of its aperture and electric reducer 10-7 is complementary, be useful on the keyway that is connected with reduction gearbox output shaft on the hole wall, key 10-10 is arranged in the keyway, flexible pin groove on the outer surface of shaft coupling inner bag, corresponding one by one with the spring column pin groove on the shaft coupling shell one end inner hole wall, flexible pin 10-3 in the spring column pin groove of every pair of correspondence, the hole that also has diameter and supporting-roller shaft one end external diameter to be complementary in the shaft coupling shell other end, be useful on the keyway that is connected with supporting-roller shaft on the hole wall, key 10-9 is arranged in the keyway.

Embodiment 3:

With the difference of embodiment 1 or 2 be: the running block 11-4 (see figure 4) of forming by two pulleys that is connected with elevating hopper 11-3, its structure is seen Fig. 5, two pulley 11-4-4 bearing 11-4-2, flexibly connect with bearing pin 11-4-3, and can rotate around bearing pin, fixedly connected with running block shell 11-4-1 in the bearing pin two ends, the running block shell is connected with elevating hopper, steel wire rope 11-5 pile warp running block 11-4, after being fixed on the fixed pulley 11-7 and leading block 11-8 at stock shelf 11-6 top, one end is fixedlyed connected with stock shelf top, and the cable drum on the reduction box 11-1-1 output shaft of the other end and electric reducer 11-1 is connected.

Claims

1. concrete mixer, comprise the chassis, the water supply mechanism that is connected with the chassis respectively, supporting leg, road wheel, preceding wheel, electric control box, stock shelf, the middle hopper that is connected with stock shelf, the elevating hopper that can on stock shelf, move up and down, the feed mechanism of pulling elevating hopper, it is characterized in that: mix tube by being separately fixed at 4 support roller supportings on two supporting-roller shaft and driving running, two support rollers are housed on the every supporting-roller shaft, two supporting-roller shaft one ends respectively be contained in the chassis on the reduction gearbox output shaft of two electric reducers be connected, supporting-roller shaft is connected with the chassis with bearing block by bearing.

2. connect according to the described concrete mixer of claim 1, it is characterized in that: the stock shelf top is fixed with fixed pulley, leading block, the elevating hopper middle part is fixed with running block, an end of walking around the steel wire rope of directed pulley, running block and leading block is fixedlyed connected with the stock shelf upper end, cable drum on the reduction gearbox output shaft of the other end and electric reducer is connected, and running block is made of two pulleys.

3. according to claim 1 or 2 said concrete mixers, it is characterized in that: the support roller of every supporting-roller shaft one end comprises the shaft coupling inner bag, the shaft coupling shell of the band spring column pin that is complementary with the shaft coupling inner bag, the outer surface of shaft coupling shell has rubber layer, porose on the shaft coupling inner bag, the external diameter of the reduction gearbox output shaft of its aperture and electric reducer is complementary, be useful on the keyway that is connected with reduction gearbox output shaft on the hole wall, flexible pin groove on the outer surface of shaft coupling inner bag, corresponding one by one with spring column pin groove on the inner hole wall of shaft coupling shell one end, flexible pin in the spring column pin groove of every pair of correspondence, the hole that also has diameter and supporting-roller shaft one end external diameter to be complementary in the shaft coupling shell other end is useful on the keyway that is connected with supporting-roller shaft on the hole wall.