CN212124823U

CN212124823U - Driving mechanism suitable for four-way carrying trolley

Info

Publication number: CN212124823U
Application number: CN202020207582.1U
Authority: CN
Inventors: 贾凌云; 李卫君
Original assignee: Zhejiang Mairui Robot Co Ltd
Current assignee: Zhejiang Mairui Robot Co Ltd
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2020-12-11
Anticipated expiration: 2030-02-25

Abstract

The utility model discloses an actuating mechanism suitable for quadriversal floor truck, include: the device comprises a chassis, two driving wheels, a driving shaft, two driven wheels and a power assembly; the power assembly includes: the device comprises a driving motor, a driving synchronous wheel, a first driven synchronous wheel, a second driven synchronous wheel, a rotating shaft, two supporting seats, a third driven synchronous wheel, a first synchronous belt and a second synchronous belt; the driving synchronizing wheel is arranged on a motor shaft of the driving motor; two ends of the rotating shaft are respectively and rotatably connected to the two supporting seats; the first driven synchronizing wheel 153 and the second driven synchronizing wheel are sleeved on the periphery of the rotating shaft; a third driven synchronizing wheel is fixed to the drive shaft; the first synchronous belt is sleeved on the peripheries of the driving synchronous wheel and the first driven synchronous wheel; the second synchronous belt is sleeved on the peripheries of the second driven synchronous wheel and the third driven synchronous wheel. The driving mechanism suitable for the four-way carrying trolley realizes two-stage speed reduction, and effectively increases the transmission torque of the driving mechanism of the four-way carrying trolley.

Description

Driving mechanism suitable for four-way carrying trolley

Technical Field

The utility model relates to an actuating mechanism suitable for quadriversal floor truck.

Background

The driving mode of the existing four-way carrying trolley adopts one-level transmission, namely, the synchronous wheel is directly driven to rotate by the driving motor, and then the synchronous wheel drives the driven wheel or the driven fastener to rotate by the synchronous belt, so that the driving shaft is driven to rotate, and finally the driving wheel for driving the four-way carrying trolley is realized. Since the transmission system is a one-stage transmission, the reduction ratio is relatively small. The installation space in the four-way carrying trolley is small, and the speed reducer cannot be installed, so that the torque transmitted by the driving structure of the existing four-way carrying trolley is small, and the driven load is small.

SUMMERY OF THE UTILITY MODEL

The utility model provides an actuating mechanism suitable for quadriversal floor truck adopts following technical scheme:

a drive mechanism for a four-way cart, comprising: the device comprises a chassis, two driving wheels, a driving shaft, two driven wheels and a power assembly; two driving wheels are connected to two ends of the driving shaft and rotatably mounted to the chassis; the two driven wheels are rotatably mounted to the chassis; the power assembly includes: the device comprises a driving motor, a driving synchronous wheel, a first driven synchronous wheel, a second driven synchronous wheel, a rotating shaft, two supporting seats for rotatably supporting the rotating shaft, a third driven synchronous wheel, a first synchronous belt and a second synchronous belt; the driving motor is arranged on the chassis; the driving synchronizing wheel is arranged on a motor shaft of the driving motor; the two supporting seats are fixed to the chassis; two ends of the rotating shaft are respectively and rotatably connected to the two supporting seats; the first driven synchronizing wheel and the second driven synchronizing wheel are sleeved on the periphery of the rotating shaft; a third driven synchronizing wheel is fixed to the drive shaft; the first synchronous belt is sleeved on the peripheries of the driving synchronous wheel and the first driven synchronous wheel; the second synchronous belt is sleeved on the peripheries of the second driven synchronous wheel and the third driven synchronous wheel.

Further, the first driven synchronizing wheel is provided with a first tensioning device for tensioning the first synchronizing belt.

Further, the third driven synchronizing wheel is provided with a second tensioning device for tensioning the second synchronizing belt.

Further, the driving wheel is rotatably mounted to the chassis through a bearing seat rotatably connected to the chassis at both ends of the driving shaft; and a rotating bearing is arranged between the driving shaft and the bearing seat.

Further, the driven wheel is rotatably mounted to the chassis through a shaft connected to a bearing block mounted to the chassis; a rotating bearing is arranged between the bearing seat and the shaft.

Further, the periphery of the driving shaft is provided with a clamp spring for limiting the axial position of the third driven synchronizing wheel; the clamp spring is positioned between the first synchronous belt and the second synchronous belt.

Furthermore, one sides of the driving wheel and the driven wheel, which are far away from the bearing seat, are provided with shock pads for buffering the impact force between the two vehicles when the two vehicles collide; the shock pad sets up in the central point of drive wheel and follow driving wheel position.

The utility model discloses an useful part lies in that the first driven synchronizing wheel, second driven synchronizing wheel, axis of rotation and two supporting seats that are used for rotating the support axis of rotation that the actuating mechanism who is applicable to quadriversal floor truck who provides adopted have constituted the second grade and have slowed down the subassembly, have realized the second grade and slowed down, have effectively increased quadriversal floor truck's actuating mechanism's transmission moment of torsion, provide bigger drive power, and then have increased quadriversal floor truck's load. Meanwhile, the two-stage speed reducing assembly is simple in structure, small in installation size and suitable for a four-way carrying trolley with a small internal installation space.

Drawings

Fig. 1 is a schematic view of a driving mechanism for a four-way carrier according to the present invention;

FIG. 2 is a schematic view showing a partial structure of a driving mechanism for the four-way carrier cart in FIG. 1;

FIG. 3 is a partial cross-sectional view of the drive mechanism of the four-way carrier cart of FIG. 2;

fig. 4 is a sectional view of the driving mechanism for the four-way carrier shown in fig. 2, in which the first driven synchronizing wheel and the second driven synchronizing wheel are mounted on the rotary shaft.

The driving mechanism 10 suitable for the carrying trolley, a chassis 11, a driving wheel 12, a driving shaft 13, a driven wheel 14, a power assembly 15, a driving motor 151, a driving synchronous wheel 152, a first driven synchronous wheel 153, a second driven synchronous wheel 154, a rotating shaft 155, a supporting seat 156, a third driven synchronous wheel 157, a first synchronous belt 158, a second synchronous belt 159, a first tensioning device 160, a second tensioning device 161, a bearing seat 162, a rotating bearing 163, a clamp spring 164 and a shock pad 17.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 4, a drive mechanism 10 for a carrier includes: chassis 11, two drive wheels 12, drive shaft 13, two driven wheels 14 and power assembly 15. Two drive wheels 12 are connected to both ends of a drive shaft 13 and rotatably mounted to the chassis 11. Two driven wheels 14 are rotatably mounted to the chassis 11. The power module 15 includes: the driving mechanism comprises a driving motor 151, a driving synchronizing wheel 152, a first driven synchronizing wheel 153, a second driven synchronizing wheel 154, a rotating shaft 155, two supporting seats 156 for rotatably supporting the rotating shaft 155, a third driven synchronizing wheel 157, a first synchronizing belt 158 and a second synchronizing belt 159. The driving motor 151 is mounted to the chassis 11. The driving synchronizing wheel 152 is mounted to a motor shaft of the driving motor 151. Two support seats 156 are fixed to the chassis 11. Both ends of the rotation shaft 155 are rotatably connected to the two support seats 156, respectively. The first driven synchronizing wheel 153 and the second driven synchronizing wheel 154 are sleeved on the outer periphery of the rotating shaft 155. The third driven synchronizing wheel 157 is fixed to the drive shaft 13. The first synchronous belt 158 is disposed around the driving synchronous pulley 152 and the first driven synchronous pulley 153. The second timing belt 159 is fitted around the second driven timing wheel 154 and the third driven timing wheel 157.

Specifically, when the driving motor 151 operates, the driving synchronizing wheel 152 is driven to rotate. The driving synchronous wheel 152 drives the first driven synchronous wheel 153 to rotate through the first synchronous belt 158, so as to realize primary speed reduction and increase torque. When the first driven synchronizing wheel 153 rotates, the second driven synchronizing wheel 154 is driven to rotate by the rotating shaft 155. The second driven synchronizing wheel 154 drives the third driven synchronizing wheel 157 to rotate through the second synchronous belt 159, so as to realize two-stage speed reduction and further increase the torque. The third driven synchronizing wheel 157 rotates the driving wheel 12 by driving the driving shaft 13. The driving wheel 12 drives the chassis 11 to move, and at the moment, the chassis 11 drives the driven wheel 14 to rotate so as to drive the four-way carrying trolley.

Specifically, the first driven synchronizing wheel 153, the second driven synchronizing wheel 154, the rotating shaft 155 and the two supporting seats 156 for rotatably supporting the rotating shaft 155, which are adopted by the driving mechanism for the four-way carrier, form a two-stage speed reduction assembly, so that two-stage speed reduction is realized, the transmission torque of the driving mechanism for the four-way carrier is effectively increased, a larger driving force is provided, and the load of the four-way carrier is further increased. Meanwhile, the two-stage speed reducing assembly is simple in structure, small in installation size and suitable for a four-way carrying trolley with a small internal installation space.

As a specific embodiment, the first driven synchronizing wheel 153 is provided with a first tensioning device 160. The first tensioning device 160 is used to tension the first timing belt 158 to ensure the effectiveness of the first timing belt 158 in transmitting power. Specifically, the first tensioning device 160 is an adjusting screw and an adjusting nut. The first driven synchronizing wheel 153 is provided with a waist-shaped hole, and the adjusting screw adjusts the position of the adjusting screw in the waist-shaped hole through the operation of screwing and unscrewing the adjusting nut, so that one side of the adjusting nut tightly abuts against the inner side of the first synchronizing belt 158 all the time, and the first synchronizing belt 158 is tensioned.

As a specific embodiment, the third driven synchronizing wheel 157 is provided with a second tensioning device 161. The second tensioning device 161 is used to tension the second timing belt 159. Specifically, the second tensioning device 161 is an adjusting screw and an adjusting nut. The third driven synchronizing wheel 157 is provided with a waist-shaped hole, and the adjusting screw adjusts the position of the adjusting screw in the waist-shaped hole through the operations of screwing and unscrewing the adjusting nut, so that one side of the adjusting nut is always tightly abutted against the inner side of the second synchronizing belt 159, and the second synchronizing belt 159 is tensioned.

As a specific embodiment, the driving wheel 12 is rotatably mounted to the chassis 11 by rotatably connecting both ends of the driving shaft 13 to bearing housings 162 mounted to the chassis 11. A rotation bearing 163 is provided between the drive shaft 13 and the bearing housing 162. The driven wheel 14 is rotatably mounted to the chassis 11 by a shaft connection to a bearing mount 162 mounted to the chassis 11. A rotational bearing 163 is provided between the bearing housing 162 and the shaft.

In a specific embodiment, the outer circumference of the driving shaft 13 is provided with a snap spring 164. The circlip 164 serves to define the axial position of the third driven synchronizing wheel 157. Specifically, the clamp spring 164 is located between the first timing belt 158 and the second timing belt 159. Therefore, the axial position of the third driven synchronizing wheel 157 can be limited, the third driven synchronizing wheel 157 is prevented from being displaced towards the first synchronizing belt 158 to cause friction with the first synchronizing belt 158, and the structural stability is ensured.

In a specific embodiment, the driving wheel 12 and the driven wheel 14 are provided with a shock absorbing pad 17 on the side away from the bearing seat 162. The cushion 17 serves to cushion the impact between the two vehicles in the event of a collision therebetween. Specifically, the damper pad 17 is provided at a central position of the drive wheel 12 and the driven wheel 14.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by adopting equivalent replacement or equivalent transformation fall within the protection scope of the present invention.

Claims

1. A drive mechanism for a four-way cart, comprising: the device comprises a chassis, two driving wheels, a driving shaft, two driven wheels and a power assembly; the two driving wheels are connected to two ends of the driving shaft and are rotatably mounted to the chassis; the two driven wheels are rotatably mounted to the chassis; characterized in that the power assembly comprises: the synchronous belt conveyor comprises a driving motor, a driving synchronous wheel, a first driven synchronous wheel, a second driven synchronous wheel, a rotating shaft, two supporting seats for rotatably supporting the rotating shaft, a third driven synchronous wheel, a first synchronous belt and a second synchronous belt; the driving motor is arranged on the chassis; the driving synchronizing wheel is mounted to a motor shaft of the driving motor; two of the supporting seats are fixed to the chassis; two ends of the rotating shaft are respectively and rotatably connected to the two supporting seats; the first driven synchronizing wheel and the second driven synchronizing wheel are sleeved on the periphery of the rotating shaft; the third driven synchronizing wheel is fixed to the drive shaft; the first synchronous belt is sleeved on the peripheries of the driving synchronous wheel and the first driven synchronous wheel; the second synchronous belt is sleeved on the peripheries of the second driven synchronous wheel and the third driven synchronous wheel.

2. The drive mechanism for a four-way carrier cart according to claim 1,

the first driven synchronizing wheel is provided with a first tensioning device for tensioning the first synchronizing belt.

3. The drive mechanism for a four-way carrier cart according to claim 1,

and the third driven synchronous wheel is provided with a second tensioning device for tensioning the second synchronous belt.

4. The drive mechanism for a four-way carrier cart according to claim 1,

the driving wheel is rotatably connected to a bearing seat mounted to the chassis through two ends of the driving shaft and rotatably mounted to the chassis; and a rotating bearing is arranged between the driving shaft and the bearing seat.

5. The drive mechanism for a four-way carrier cart according to claim 4,

the driven wheel is rotatably mounted to the chassis through a shaft connection to a bearing block mounted to the chassis; and a rotating bearing is arranged between the bearing seat and the shaft.

6. The drive mechanism for a four-way carrier cart according to claim 5,

a clamp spring for limiting the axial position of the third driven synchronizing wheel is arranged on the periphery of the driving shaft; the clamp spring is located between the first synchronous belt and the second synchronous belt.

7. The drive mechanism for a four-way carrier cart according to claim 6,

a shock pad used for buffering the impact force between the driving wheel and the driven wheel when the two vehicles collide is arranged on one side of the driving wheel and the driven wheel, which is far away from the bearing seat; the shock pad sets up in the central point of drive wheel and follow driving wheel position.