CN201254827Y

CN201254827Y - Reduction gearing mechanism for vertical troweling machine

Info

Publication number: CN201254827Y
Application number: CNU2008201849792U
Authority: CN
Inventors: 马雪峰; 史江全
Original assignee: Changzhou Vocational Institute of Mechatronic Technology
Current assignee: Changzhou Vocational Institute of Mechatronic Technology
Priority date: 2008-09-03
Filing date: 2008-09-03
Publication date: 2009-06-10
Anticipated expiration: 2018-09-03

Abstract

The utility model relates to a speed-reducing transmission mechanism of a vertical troweling machine, comprising an input shaft and a bridging shaft arranged at the upper part of a box body and a speed-reducing shaft and an output shaft arranged at the lower part of the box body; the input shaft passes through a box cover which is arranged at the top part of the box body and is connected with a clutch; a shaft sleeve which is connected with a clutch casing is sleeved on the input shaft; the shaft sleeve, the bridging shaft, the speed-reducing shaft and the output shaft are respectively provided with an input gear, a big bridging gear, a small bridging bevel gear, a small speed-reducing gear, a big speed-reducing bevel gear, a big speed-reducing gear and an output gear; the big bridging gear is meshed with the input gear; the small speed-reducing gear is meshed with the output gear; and a big bevel gear and a small bevel gear which are arranged at one side of the box body and are coaxial are respectively meshed with the small bridging bevel gear and the big speed-reducing bevel gear. The utility model can achieve four-stage speed reduction in limit space, has the advantages of compact structure, larger output torque, high transmission efficiency, reduction of manufacturing and using cost and large output torque.

Description

The reduction gearing mechanism of vertical trowelling machine

Technical field

The utility model relates to a kind of reduction gearing mechanism of vertical trowelling machine, belongs to building road construction machinery technical field.

Background technology

Trowelling machine mainly be used for concrete floors such as factory building, warehouse, parking lot and highway, abrasion-proof terrace, epoxide terrace table propose the floating and troweling construction of slurry, have consolidation effect and anti-cracking function, can improve the density and the abrasion resistance of concrete table.The reducing gear of trowelling machine great majority adopt worm-and-wheel gear at present, power is by belt transmission and after worm and gear slows down, driving is connected the mill work of output shaft bottom, though the worm-and-wheel gear carry-over moment is big, but also exist machining accuracy, manufacturing and maintenance cost height, power loss is big, the problem that transmission efficiency is low.On the other hand, because of vertical trowelling machine is being carried slurry and when floating to the face of land, the rotating speed that the mill needs are certain, and bigger gearratio can make the worm-and-wheel gear transmission efficiency lower, its transmission efficiency is less than 50%.For addressing the above problem, the reducing gear of vertical trowelling machine also has the employing gear transmission structure, constitute double reduction mechanism by being installed in a gear that two couple who goes into axle, power transmission shaft and output shaft is meshed, owing to adopt the spur gear reducing gear, can improve transmission efficiency, lower cost of production, but the gearratio of double reduction be less, so output torque is little, therefore adopt the vertical trowelling machine use occasion of gear reduction transmission mechanism to be subjected to certain placing restrictions on.

Summary of the invention

The purpose of this utility model provides and a kind ofly can improve transmission efficiency, and the reduction gearing mechanism of the big vertical trowelling machine of output torque.

The utility model is that the technical scheme that achieves the above object is: a kind of reduction gearing mechanism of vertical trowelling machine, it is characterized in that: comprise power shaft that is installed in casing top and the deboost axle and the output shaft of passing a bridge axle and lower box, power shaft passes the case lid that is installed in the casing top and is connected with clutch, the axle sleeve that is connected with the clutch case then is enclosed within on the power shaft, axle sleeve, the gap bridge axle, deboost axle and output shaft correspondence respectively are equipped with the input gear, gap bridge gear wheel and gap bridge bevel pinion, reduction pinion teeth and deceleration bevel gear wheel and output gear, gap bridge gear wheel and input gears engaged, reduction pinion teeth and output gear engagement are installed in casing one side and coaxial bevel gear wheel and bevel pinion meshes with gap bridge conelet tooth and deceleration bevel gear wheel respectively.

The utility model adopts the reducing transmission structure of two pairs of spur gears and two pairs of bevel gear engagements, reaching level Four in limited space slows down, compact conformation, and has a bigger gearratio, and the bigger output torque of acquisition, can satisfy the working speed of vertical trowelling machine, widen the application scenario of vertical trowelling machine.The utility model is connected by behind the clutch power of motor with axle sleeve, by axle sleeve power is imported, and therefore under the non-stop-machine operating mode of motor, whether convenient control reduction gearing mechanism works, not only easy to operate, and use is installed reliable.Reducing gear of the present utility model is all-gear drive, has reduced the power loss in the power transmission process, improves transmission efficiency and application life, has also reduced the manufacturing cost of reduction gearing mechanism and has used this to become with maintenance.

Description of drawings

Below in conjunction with accompanying drawing enforcement of the present utility model is described in further detail.

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

Wherein: 1-excessively bridge chair, 2-bearing, 3-casing, 3-1-top box beam, 3-2-nowel beam, 4-bearing, the 5-axle of passing a bridge, 6-gap bridge gear wheel, 7-gap bridge bevel pinion, 8-bevel gear wheel, 9-screw, 10-adjustment spindle nose, 11-bearing, 12-side cover, 13-bevel pinion, 14-deceleration bevel gear wheel, 15-reduction pinion teeth, 16-pad, 17-bearing, 18-deboost axle, 19-bearing gasket, 20-bottom, 21-output shaft, 22-outside framework oil seal, 23-bearing, 24-output gear, 25-thrust bearing, 26-bearing, 27-input gear, 28-axle sleeve, 29-power shaft, 30-case lid, 31-clutch.

The specific embodiment

See shown in Figure 1, the reduction gearing mechanism of the vertical trowelling machine of the utility model, comprise the power shaft 29 that is installed in casing 3 tops and the axle 5 of passing a bridge, and the deboost axle 18 and the output shaft 21 that are installed in casing 3 bottoms, case lid 30 is installed in the top of casing 3 by securing member, the case lid 30 that power shaft 29 passes is connected with clutch 31, this power shaft 29 is the output shaft of motor, clutch 31 of the present utility model can adopt centrifugal clutch, can make the non-loaded startup of motor, the axle sleeve 28 that is connected with the clutch case is enclosed within on the power shaft 29 as power input shaft, axle sleeve 28, gap bridge axle 5, deboost axle 18 and output shaft 21 correspondence respectively are equipped with input gear 27, gap bridge gear wheel 6 and gap bridge bevel pinion 7, reduction pinion teeth 15 and deceleration bevel gear wheel 14 and output gear 24, gap

bridge gear wheel

6 and 27 engagements of input gear, reduction pinion teeth 15 and output gear 24 engagements, be installed in casing 3 one sides and coaxial bevel gear wheel 8 and bevel pinion 13 respectively with gap

bridge bevel pinion

7 and 14 engagements of deceleration bevel gear wheel, constitute level Four and slow down.

See shown in Figure 1, axle sleeve 28 of the present utility model is installed on the top box beam 3-1 of case lid 30 and casing 3 respectively by two bearings 26, input gear 27 is between two bearings, axle sleeve 28 of the present utility model can be an overall structure with the clutch case, or axle sleeve 28 and the socket connection of clutch case, the power of motor is passed on the axle sleeve 28 by clutch

See shown in Figure 1, gap bridge axle of the present utility model 5 tops were installed on the bridge chair 1 by bearing 2, this is crossed bridge chair 1 and is positioned at case lid 30 tops, the middle part of gap bridge axle 5 is installed on the case lid 30 by bearing 4, gap bridge bevel pinion 7 and gap bridge gear wheel 6 are connected on the axle 5 of passing a bridge by key, for reducing the height dimension of casing, the bottom of gap bridge gear wheel 6 is provided with groove, gap bridge bevel pinion 7 is arranged in the groove of gap bridge gear wheel 6, adopt the gap bridge bevel pinion 7 and the gap bridge gear wheel 6 of syndeton, can reduce production costs.

See shown in Figure 1, deboost axle 18 of the present utility model is installed on case beam and the casing 3 by upper bearing (metal) and bearing 17, reduction pinion teeth 15 and deceleration bevel gear wheel 14 are connected on the deboost axle 18 by key, reduction pinion teeth 15 is arranged on the top of deceleration bevel gear wheel 14, be provided with pad 16 between reduction pinion teeth 15 and deceleration bevel gear wheel 14 both ends of the surface, the bottom of bearing 17 also has bearing gasket 19, casing 3 bottoms are equipped with bottom 20, bottom 20 is provided with adjustment screw 9, screw 9 withstands on bearing gasket 19 bottom surfaces, control the field of conjugate action of bevel pinion 13 and deceleration bevel gear wheel 14 by adjustment screw 9

See shown in Figure 1, bevel pinion 13 of the present utility model is positioned at the anterior of bevel gear wheel 8 and is connected with adjustment spindle nose 10 by securing member, bevel pinion 13 is connected with bevel gear wheel 8 keys, the cone angle of bevel gear wheel 8 is greater than the cone angle of bevel pinion 13, bevel gear wheel 8 is connected with side cover 12 by bearing 11 with adjustment spindle nose 10, side cover 12 is connected with casing 3 by securing member, bevel pinion 13 is positioned at bevel gear wheel 8 coaxial sides that are installed in casing 3, in order to keep two bevel gear pair positive engagement, screw 9 also is installed on the side cover 12, and screw 9 withstands on the end face of adjusting spindle nose 10.The utility model is not because the cone angle of bevel pinion 13 and the cone angle of bevel gear wheel 8 wait, and therefore bevel gear wheel 8 and gap bridge bevel pinion 7 mesh in narrow space, and

bevel pinion

13 and 14 engagements of deceleration bevel gear wheel reach the purpose of slowing down and commutating.

Output shaft 21 of the present utility model is installed on casing 3 bottoms and the nowel beam 3-2 by bearing 23 and thrust bearing 25, this thrust bearing 25 bearing radial forces and axial force, the bottom of output shaft 21 has keyway, output shaft 21 passes bottom 20, outside framework oil seal 22 is installed on the bottom 20, output shaft 21 is sealed.

When motor passes through power shaft 29 outputting powers, by clutch 31 power is reached axle sleeve 28, constituting one-level through input gear 27 with gap bridge gear wheel 6 slows down, constitute double reduction by gap bridge bevel pinion 7 and bevel gear wheel 8 again, bevel pinion 13 slows down with three grades of deceleration bevel gear wheel 14 formations and finishes commutation,, drive the mill work by output shaft 21 after reduction pinion teeth 15 constitutes level Four with output gear 24 slows down.

Claims

1, a kind of reduction gearing mechanism of vertical trowelling machine, it is characterized in that: comprise power shaft (29) that is installed in casing (3) top and the deboost axle (18) and the output shaft (21) of passing a bridge axle (5) and casing (3) bottom, power shaft (29) stretches out the case lid (30) that is installed in casing (3) top and is connected with clutch (31), the axle sleeve (28) that is connected with the clutch case is enclosed within on the power shaft (29), axle sleeve (28), pass a bridge spool (5), deboost axle (18) and output shaft (21) correspondence respectively are equipped with input gear (27), gap bridge gear wheel (6) and gap bridge bevel pinion (7), reduction pinion teeth (15) and deceleration bevel gear wheel (14) and output gear (24), gap bridge gear wheel (6) and input gear (27) engagement, reduction pinion teeth (15) and output gear (24) engagement are installed in casing (3) one sides and coaxial bevel gear wheel (8) and bevel pinion (13) meshes with gap bridge bevel pinion (7) and deceleration bevel gear wheel (14) respectively.

2, the reduction gearing mechanism of vertical trowelling machine according to claim 1, it is characterized in that: described axle sleeve (28) is installed on the top box beam (3-1) of case lid (30) and casing (3) respectively by two bearings (26), and axle sleeve (28) and clutch case are overall structure, or axle sleeve (28) is pegged graft with the clutch case.

3, the reduction gearing mechanism of vertical trowelling machine according to claim 1 is characterized in that: described top of passing a bridge axle (5) was installed on the bridge chair (1) by upper bearing (metal) (2), the axle of passing a bridge

(5) middle part is installed on the case lid (30) by bearing (4), and gap bridge bevel pinion (7) and gap bridge gear wheel (6) are connected on the axle (5) of passing a bridge by key, and gap bridge bevel pinion (7) is positioned at the bottom of gap bridge gear wheel (6).

4, the reduction gearing mechanism of vertical trowelling machine according to claim 1, it is characterized in that: described deboost axle (18) is installed on casing (3) and the case beam by bearing (17) and upper bearing (metal), reduction pinion teeth (15) and deceleration bevel gear wheel (14) are connected on the deboost axle (18) by key, and reduction pinion teeth (15) is arranged on the top of deceleration bevel gear wheel (14).

5, the reduction gearing mechanism of vertical trowelling machine according to claim 4, it is characterized in that: the bottom of described bearing (17) also has bearing gasket (19), casing (3) bottom is equipped with bottom (20), bottom (20) is provided with adjustment screw (9), and screw (9) withstands on bearing gasket (19) bottom surface.

6, the reduction gearing mechanism of vertical trowelling machine according to claim 1, it is characterized in that: described bevel pinion (13) is positioned at the anterior of bevel gear wheel (8) and is connected with adjustment spindle nose (10), and bevel pinion (13) is connected with bevel gear wheel (8) key, the cone angle of bevel gear wheel (8) is greater than the cone angle of bevel pinion (13), bevel gear wheel (8) is connected with side cover (12) by bearing (11) with adjustment spindle nose (10), and side cover (12) is connected with casing (3) by securing member.

7, the reduction gearing mechanism of vertical trowelling machine according to claim 1 is characterized in that: screw (9) also is installed on the described side cover (12), and screw (9) withstands on the end face of adjusting spindle nose (10).

8, the reduction gearing mechanism of vertical trowelling machine according to claim 1, it is characterized in that: described output shaft (21) is installed on casing (3) bottom and the nowel beam (3-2) by bearing (23) and thrust bearing (25), output shaft (21) passes bottom (20), and on the bottom (20) outside framework oil seal (22) is installed.