CN2202628Y

CN2202628Y - Concrete mixer

Info

Publication number: CN2202628Y
Application number: CN 94238268
Authority: CN
Inventors: 张永利; 陈积仁
Original assignee: HUNAN BUILDING MATERIAL MACHINERY PLANT
Current assignee: HUNAN BUILDING MATERIAL MACHINERY PLANT
Priority date: 1994-09-26
Filing date: 1994-09-26
Publication date: 1995-07-05
Anticipated expiration: 2004-09-26

Abstract

The utility model relates to a novel creeping bucket type concrete mixer. A motor is just used to connect with a speed reducer. The output shaft of the speed reducer is provided with a supporting wheel to drive a mixing drum, and is provided with a clutch and a control mechanism to drive a hopper. So the concentration drive of the stirring and the hopper lifting is achieved. The hopper lifting adopts a mechanical limiter. The utility model has the advantages of simplified and optimized transmission mechanism, low cost, light weight, high reliability and good performance.

Description

Concrete mixer

The utility model relates to a kind of plant equipment, particularly concrete mixer in the construction operation.

Domesticly existingly climb the bucket concrete mixer it stirs and the material loading lifting is independent driving, promote spacing employing electrical control, main motor passes through shaft coupling, decelerator, support roller drives mixes the tube rotation, the motor of another band brake passes through decelerator, reel, steel wire rope, assembly pulley is finished the hopper lifting, hopper is along the orbital motion of rail bracket, electric limit switch is equipped with in the rail bracket upper end, when hopper rises to certain altitude, roller on the hopper collides electric limit switch rocking arm, motor stops operating and brakes, hopper is discharging voluntarily, when electric limit switch damages or is malfunctioning, cause damaging decelerator, break steel wire rope or make track, the generation of accidents such as rail bracket crossbeam flexural deformation, simultaneously this type need two motor and two cover transmission devices, and the complete machine quality is big, the manufacturing cost height.

The purpose of the utility model is intended to develop a kind of weight reduction, reduces cost, improves reliability, reduces fault, optimizes the novel bucket concrete mixer of climbing of transmission mechanism.

Technical solution of the present utility model is: this novel bucket concrete mixer of climbing includes frame, mix tube, support roller, electric control box, hopper, rail bracket etc., its principal character of the utility model is only with a motor, motor is connected with the decelerator flange, support roller is housed on the reducer output shaft, driving is mixed tube and is rotated, this reducer output shaft end is equipped with clutch and operating mechanism again, on rail bracket top assembly pulley is housed, mechanical stop limiter, mechanical stop limiter is connected with clutch and operating mechanism by connecting rod, steel wire rope is around the clutch reel, on the assembly pulley, the termination connects and the traction hopper, realize the centralized driving that stirs and promote like this, hopper promotes and adopts mechanical position limitation, greatly simplifies, optimized transmission mechanism, reduce cost, increased reliability.

Below in conjunction with accompanying drawing the technical solution of the utility model is described in further detail:

Fig. 1 is the utility model structural representation

Fig. 2 is clutch and operating mechanism structure longitudinal sectional view

Fig. 3 is the clutch configuration axial view

Fig. 4 is a mechanical stop limiter structure longitudinal sectional view

The accompanying drawing marking explanation:

1-mixes a 2-electric control box

3-motor 4-decelerator

5-support roller 6-rail bracket

7-hopper 8-mechanical stop limiter

9-steel wire rope 10-clutch and operating mechanism

11-assembly pulley 12-frame

13-fixed disk 14-reel

15-connecting rod 16-releaser

17-fork 18-shift fork

The sliding plug of 19-20-control crank

21-key 22-reducer output shaft

Brake ribbon in the 23-rolling bearing 24-

The outer brake ribbon 26-axle of 25-

27-adjustment screw 28-screw

29-degree of tightness support 30-pivot pin

31-screw 32-bolt

33-screw rod 34-spring

35-adjusting nut 36-bearing

37-bolt 38-key

39-axle 40-rocking arm

41-collision block 42-hopper roller

As shown in Figure 1, the running of electric control box 2 control motor 3, motor 3 is connected with decelerator 4 flanges, this motor 3 had not only driven to be mixed tube 1 and rotates but also drive hopper 7 and promote, hopper 7 is equipped with steel wire rope 9, steel wire rope 9 also is connected to reel 14 by assembly pulley 11, a pair of active support roller 5 drivings are housed on the reducer output shaft 22 mix tube 1 rotation, these output shaft 22 ends are equipped with clutch and operating mechanism 10 again, on rail bracket 6 tops assembly pulley 11 is housed, motor 3 power are by clutch reel 14, steel wire rope 9, assembly pulley 11 traction hoppers are finished lifting, stop, descending motion, hopper 7 promote spacing by the mechanical stop limiter control that is installed on the rail bracket 6.

Fig. 2 is clutch and operating mechanism configuration diagram, fixed disk 13 usefulness keys 21 are fixed on the reducer output shaft 22 among the figure, reel 14 is contained on the output shaft 22 by a pair of rolling bearing 23 activities, brake ribbon 24 and outer brake ribbon 25 in be equipped with reel 14 ends, sliding plug 19 is sleeved on the output shaft 22, and on reducer output shaft 22, slide, sliding plug 19 also contacts with adjustment screw 27, separate, realize the joint of clutch, separate, connecting rod 15 upper ends are connected interlock with the connecting rod Rocker arm 40 of mechanical stop limiter 8, connecting rod 15 lower ends are connected with fork 17 1 ends, fork 17 other ends and shift fork 18 1 ends are fastened on the axle 26, shift fork 18 other ends flexibly connect with sliding plug 19, shift fork 18 is stirred sliding plug 19, control crank 20 is connected with shift fork 18, and drive shift fork 18 swings, and and then sliding plug 19 is slided on output shaft 22, clutch is engaged, separate, also be connected and fixed an end of releaser 16 on the axle 26, releaser 16 other ends connect the back-moving spring 34 of outer brake ribbon, control crank 20 outer moving, axle 26 rotates an angle, lift on the releaser 16, spring 34 among tension Fig. 3, outer brake ribbon 25 is unclamped, and hopper descends by deadweight, and control crank 20 is fixed on same axle 26 with releaser 16.

The inside and outside brake ribbon of clutch connects as shown in Figure 3, interior brake ribbon 24 1 ends are fixed on the fixed disk on 13 with screw 28, the degree of tightness that is fixed on the other end supports 29 lower ends, degree of tightness supports 29 upper ends adjustment screw 27 is housed, degree of tightness supports 29 middle parts and pivot pin 30 is housed is moving fulcrum, the tightness that adjustment screw 27 can change brake ribbon promptly changes the size of lifting force, outer brake ribbon 25 1 ends are fixed on the frame 12 with screw 31, the other end is by bolt 32, screw rod 33, spring 34 and adjusting nut 35 fuse, and form moving fulcrum, and spring 34 is connected with frame 12, the decrement of adjusting nut 35 adjustable springs is so can regulate the brake force size of outer brake ribbon 25.

Chain bucket tool stopping means 8 as shown in Figure 4, bearing 36 is fixed on the rail bracket 6 by bolt 37, be equipped with one 39 by bearing on the bearing 36; Rocker arm 40 is fixed on the axle 39 by key 38; collision block 41 also is fixed on axle 39 other ends by key 38; connecting rod 15 that is connected with clutch and operating mechanism is equipped with in Rocker arm 40 end; among Fig. 4; 42 is the hopper roller; when hopper roller 42 is run into collision block 41, make angle of collision block 41 rotations, and drive Rocker arm 40 swing; by connecting rod 15; fork 17; shift fork 18; sliding plug 19 is return and resetted; clutch separation, outer brake ribbon 25 brake drums 14 of while, hopper stop to rise; sluice gate is opened voluntarily, discharging automatically.

In sum, when starting motor, power reaches by reducer output shaft and mixes tube and clutch, when control crank pushes inward (Fig. 2), the sliding plug of clutch slides on reducer output shaft, contact with adjustment screw 27 shown in Figure 3, make interior brake ribbon hold fixed disk tightly by degree of tightness support 29, the drive reel rotates, and by the steel wire rope on the reel, hopper top sheave and rail bracket top sheave group make hopper promote material loading, when the collision block 41 of the roller collision machine stopping means of hopper, make it rotate an angle, and driving Rocker arm 40 swing, the connecting rod on the rocking arm drives the connecting rod of operating mechanism, this two connecting rods Bolt Connection, driving fork 17 like this makes axle 26 rotate an angle, axle is fixed with shift fork 18 on 26 and makes it swing, and shift fork 18 is stirred sliding plug 19 and return and reset clutch separation, hopper stop motion (outer brake ribbon stop tight reel), sluice gate are opened voluntarily on the turnout of rail bracket and discharging.

Control crank moves outward after the discharging, makes on the releaser to lift, outer brake ribbon spring reset, and outer brake ribbon unclamps, and hopper descends by deadweight, and control crank engages clutch again, and hopper promotes material loading, begins a working cycles again.

This novel bucket concrete mixer of climbing, through real running, its service behaviour and technical indicator all can reach the requirement of concrete mixer technical standard, simultaneously, its material loading hopper of this novel machine makes the sister block group into, laborsaving, and prolonged service life of clutch greatly, in addition, this novel machine has reduced the motor of a band brake, decelerator and A.C. contactor and electric limit switch etc., every can reduce cost about 2,000 yuan, 350 kilograms of weight savings, its technical performance and security reliability improve greatly, receive praises from customers, and will produce tangible economic benefit and social benefit.

Claims

1, a kind of novel bucket concrete mixer of climbing, include frame (12), mix tube (1), support roller (5), electric control box (2), hopper (7), rail bracket (6) etc., it is characterized in that only with a motor (3), motor (3) is connected with decelerator (4) flange, support roller (5) is housed on the reducer output shaft (22), driving is mixed tube (1) and is rotated, this reducer output shaft (22) end is equipped with clutch and operating mechanism (10) again, on rail bracket (6) top assembly pulley (11) is housed, mechanical stop limiter (8), mechanical stop limiter (8) is connected with clutch and operating mechanism (10) by connecting rod (15), steel wire rope (9) is around clutch reel (14), on the assembly pulley (11), the termination connects and traction hopper (7).

2, the novel bucket concrete mixer of climbing according to claim 1, the structure that it is characterized in that clutch and operating mechanism (10) is: fixed disk (13) is fixed on the reducer output shaft (22) with key (21), reel (14) is contained on the output shaft (22) by a pair of rolling bearing (23) activity, and interior brake ribbon (24) and outer brake ribbon (25) are equipped with in reel (14) end.

3, the novel bucket coagulation mixer of climbing according to claim 1 and 2, it is characterized in that sliding plug (19) is sleeved on the reducer output shaft (22), and in upward slip of output shaft (22), sliding plug (19) also contacts with adjustment screw (27), separate, realize the joint of clutch, separate, connecting rod (15) upper end is connected interlock with the connecting rod rocking arm (40) of mechanical stop limiter (8), connecting rod (15) lower end is connected with fork (17) one ends, fork (17) other end and shift fork (18) one ends are fastened on the axle (26), shift fork (18) other end flexibly connects with sliding plug (19), shift fork (18) is stirred sliding plug (19), control crank (20) is connected with shift fork (18), and drive shift fork (18) swing, and and then sliding plug (19) is gone up at output shaft (22) slide, also be connected and fixed an end of releaser (16) on the axle (26), releaser (16) other end connects the back-moving spring (34) of outer brake ribbon (25), and control crank (20) is fixed on the same axle (26) with releaser (16).

4, the novel bucket concrete mixer of climbing according to claim 1 and 2, interior brake ribbon (24) one ends that it is characterized in that clutch are fixed on the fixed disk (13) with screw (28), the other end is fixed on the lower end of degree of tightness support (29), adjustment screw (27) is equipped with in degree of tightness support (29) upper end, it is moving fulcrum that pivot pin (30) is equipped with at degree of tightness support (29) middle part, adjustment screw (27) can change the tightness of brake ribbon, outer brake ribbon (25) one ends are fixed on the frame (12) with screw (31), the other end is by bolt (32), screw rod (33), spring (34) and adjusting nut (35) fuse, form moving fulcrum, spring (34) is connected with frame (12), the decrement of adjusting nut (35) regulating spring (34).

5, the novel bucket concrete mixer of climbing according to claim 1, it is characterized in that chain bucket tool stopping means (8) structure is: bearing (36) is fixed on the rail bracket (6) by bolt (37), bearing (36) is gone up and by bearing one (39) is installed; rocking arm (40) is fixed on the axle (39) by key (38); collision block (41) also is fixed on axle (39) other end by key (38), and the connecting rod (15) that is connected with clutch and operating mechanism (10) is equipped with in rocking arm (40) end.