CN219749831U

CN219749831U - Driving mechanism of carrying trolley

Info

Publication number: CN219749831U
Application number: CN202321213739.1U
Authority: CN
Inventors: 谢苗龙
Original assignee: Shanghai Moon Plum Industrial Co ltd
Current assignee: Shanghai Moon Plum Industrial Co ltd
Priority date: 2023-05-19
Filing date: 2023-05-19
Publication date: 2023-09-26
Anticipated expiration: 2033-05-19

Abstract

The utility model provides a travelling bogie driving mechanism, which comprises a hollow bogie plate, wherein two wheels are arranged on one side, close to a supporting plate, of the lower surface of the hollow bogie plate, supporting plates are rotatably connected to opposite surfaces of the two wheels, a gear box is arranged between the two supporting plates, the input end of the gear box is fixedly connected with the output end of a servo motor, the two output ends of the gear box are fixedly connected with a transmission shaft, one end, far from the gear box, of the transmission shaft is fixedly connected with two driving arms for climbing stairs, one end, far from the transmission shaft, of the driving arms is rotatably connected with idler wheels, one end, close to the gear box, of the transmission shaft is sleeved with a sleeve rotatably connected with the transmission shaft, and the outer surface of the sleeve is fixedly connected with a connecting plate, and the travelling bogie driving mechanism has the following beneficial effects: the load of the connecting part of the transmission shaft and the gear box is reduced, and the damage of the gear box caused by overlarge load is prevented.

Description

Driving mechanism of carrying trolley

Technical Field

The utility model relates to a driving mechanism of a carrying trolley, and belongs to the field of carrying trolleys.

Background

The known carrier is formed by connecting wheels and a carriage plate, a heavy object is placed on the carrier and is pushed by a person to walk, a motor is required to be installed at the bottom of the carriage plate so as to facilitate the carrier to walk on a stair, then a gear box is installed at the output end of the motor, the gear box is provided with two output ends, two driving arms for climbing the stair are installed on one surface, far away from the gear box, of each of the two driving shafts, in the gear box, the driving arms are driven to rotate by the gear box and the driving shafts during operation of the motor, so that the two driving arms on one driving shaft alternately contact with the steps, the carriage plate can walk along the stairs, when one driving arm on the driving shaft contacts with the steps, the carriage plate and the tires are not contacted with the steps, at the moment, the weight of the heavy object on the carriage plate can act on the connecting part of the driving shaft and the gear box, so that the load of the connecting part of the driving shaft and the gear box is larger, and the probability of damaging the connecting part of the driving shaft and the gear box is increased, and the driving mechanism of the carrier needs to be designed to reduce the load of the connecting part of the driving shaft and the gear box.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a driving mechanism of a carrier trolley, so as to solve the problems in the background art, reduce the load of the connecting part of a transmission shaft and a gear box and prevent the gear box from being damaged due to overlarge load.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a floor truck actuating mechanism, includes hollow sweep, hollow sweep installs the pushing away handle on one side, one side of hollow sweep is kept away from the pushing away handle and is installed the layer board that is used for lifting the goods, one side that hollow sweep lower surface is close to the layer board is equipped with two wheels, two the wheel opposite face all rotates and is connected with the extension board, extension board one end is connected fixedly with hollow sweep, two be equipped with the gear box between the extension board, the gear box is connected fixedly with hollow sweep, the gear box input is connected fixedly with servo motor output, servo motor is connected fixedly with hollow sweep, two outputs of gear box all are connected fixedly with the transmission shaft, the transmission shaft is arranged perpendicularly with the gear box input, the one end that the gear box was kept away from to the transmission shaft is connected fixedly with two drive arms that are used for climbing stairs, the one end that the drive arm was kept away from the transmission shaft rotates and is connected with the gyro wheel, the one end cover that the transmission shaft is close to the gear box is equipped with the barrel casing that rotates and is connected with, barrel casing surface connection is fixed with even board, even one end that the barrel casing was kept away from the barrel casing is connected fixedly with hollow sweep.

Further, a storage battery for providing electric energy for the servo motor is arranged in the hollow vehicle plate, and a control switch for controlling a circuit between the servo motor and the storage battery is arranged on one surface of the hollow vehicle plate, on which the push handle is arranged.

Further, two strip-shaped grooves symmetrically arranged along the gear box are formed in the position, where the gear box is mounted, of the hollow vehicle plate, and one end, away from the transmission shaft, of the driving arm extends into the strip-shaped grooves.

Further, a plurality of jack holes are evenly offered at bar inslot top, the connecting screw has been installed to the jack hole, connecting screw one end extends to in the hollow sweep and with the spliced pole threaded connection, the one end connection that the connecting screw was kept away from to the spliced pole is fixed with square head, square head is installed in square inslot, square inslot is offered and is deviating from the one side of gear box at hollow sweep.

Further, the servo motor surface is connected and fixed with the base, all be connected and fixed with the journal stirrup on two parallel sides of gear box, the one side fixedly connected with boss that hollow sweep faced servo motor, base and journal stirrup are all fixed through fixed screw and boss connection.

Further, two triangular plates are symmetrically connected and fixed at one end of the connecting plate, which is far away from the cylinder sleeve, and the triangular plates are fixedly connected with the hollow car plate.

The utility model has the beneficial effects that:

1. a sleeve is sleeved on one side, close to the gear box, of each of the two driving shafts, then a connecting plate fixedly connected with the outer surface of the sleeve is fixedly connected with the hollow vehicle plate, the connecting plate and the sleeve jointly play a role in supporting the driving shafts and do not affect rotation of the driving shafts, when one end, far away from the driving shafts, of each driving arm is contacted with a step, a part of weight, acting on the driving shafts, of a heavy object on the hollow vehicle plate is transferred onto the hollow vehicle plate through the sleeve and the connecting plate, the weight of the heavy object is prevented from being completely acted on a connecting part of the driving shafts and the gear box, the load of the connecting part of the driving shafts and the gear box is reduced, and the gear box is prevented from being damaged due to overlarge load.

2. After a plurality of reinforcing columns penetrate through a plurality of square grooves formed in one side face of the hollow vehicle plate respectively, square heads at one ends of the reinforcing columns are clamped in the square grooves, then connecting screws penetrate through insertion holes and are in threaded connection with the reinforcing columns, and then under the action of the reinforcing columns, the structural strength of the contact part of the hollow vehicle plate and the idler wheels is improved.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic diagram of a driving mechanism of a transporting trolley;

FIG. 2 is a schematic diagram of the assembly of a servo motor, a gear box, a support plate, a drive arm and a hollow vehicle plate in a drive mechanism of a carrying trolley according to the present utility model;

FIG. 3 is an enlarged view of FIG. 2 at A;

in the figure: 1-hollow car plate, 2-supporting plate, 3-supporting plate, 4-wheel, 5-pushing handle, 6-servo motor, 7-base, 8-boss, 9-supporting lug, 10-triangle, 11-connecting plate, 12-bar slot, 13-roller, 14-driving arm, 15-cylinder sleeve, 16-driving shaft, 17-gear box, 18-square head, 19-reinforcing column and 20-connecting screw.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1 and 2, the present utility model provides a technical solution: the utility model provides a floor truck actuating mechanism, including hollow sweep 1, push away the handle 5 is installed to hollow sweep 1 side, push away 5 and provide the gripping carrier for removing hollow sweep 1, through the layer board 2 that is used for lifting the goods of keeping away from the one side of push away 5 at hollow sweep 1 side installation, thereby prevent the heavy object to slide at will from hollow sweep 1, one side that is close to layer board 2 at hollow sweep 1 lower surface sets up two wheels 4, make two wheels 4 opposite faces all rotate the extension board 3 one end of connecting and be connected fixedly with hollow sweep 1, thereby when utilizing push away 5 push away hollow sweep 1, hollow sweep 1 drives wheel 4 and rolls along ground, the position of hollow sweep 1 is convenient for remove.

Referring to fig. 1 and 2, a gear box 17 fixedly connected with a hollow vehicle plate 1 is arranged between two support plates 3, wherein the input end of the gear box 17 is fixedly connected with the output end of a servo motor 6 arranged at the bottom of the hollow vehicle plate 1, two output ends of the gear box 17 are fixedly connected with a transmission shaft 16 vertically arranged with the input end of the gear box 17, one end of the transmission shaft 16 far away from the gear box 17 is fixedly connected with two driving arms 14 used for climbing stairs, one end of the driving arm 14 far away from the transmission shaft 16 is rotatably connected with a roller 13, the roller 13 is arranged on the driving arm 14, rolling contact between the driving arm 14 and the surface of a step is facilitated, the effect of protecting one end of the driving arm 14 far away from the transmission shaft 16 from being worn is achieved, when the servo motor 6 is controlled, the servo motor 6 drives the driving arm 14 to rotate through the gear box 17 and the transmission shaft 16, so that the two driving arms 14 on one transmission shaft 16 alternately contact with steps, the hollow vehicle plate 1 can walk along stairs, a storage battery for providing electric energy for the servo motor 6 is arranged in the hollow vehicle plate 1, and a control switch for controlling a circuit between the servo motor 6 and the storage battery is arranged on one side of the driving handle 5.

Referring to fig. 1 and 2, one end of a transmission shaft 16 close to a gear box 17 is sleeved with a sleeve 15 rotationally connected with the transmission shaft 16, one end of a connecting plate 11, which is fixedly connected with the outer surface of the sleeve 15 and is far away from the sleeve 15, is fixedly connected with a hollow vehicle plate 1, one end of the connecting plate 11, which is far away from the sleeve 15, is symmetrically connected and fixedly provided with two triangular plates 10, wherein the triangular plates 10 are fixedly connected with the hollow vehicle plate 1, the design of the triangular plates 10 improves the mechanical strength of the connection of the connecting plate 11 and the hollow vehicle plate 1, the sleeve 15 is sleeved on one side of the two transmission shafts 16 close to the gear box 17, then the connecting plate 11 fixedly connected with the outer surface of the sleeve 15 is fixedly connected with the hollow vehicle plate 1, the connecting plate 11 and the sleeve 15 jointly play the purpose of supporting the transmission shaft 16 without influencing the rotation of the transmission shaft 16, when one end of the driving arm 14 far away from the driving shaft 16 contacts with a step, a part of weight of a heavy object on the hollow vehicle plate 1 acts on the driving shaft 16 and is transferred to the hollow vehicle plate 1 through the sleeve 15 and the connecting plate 11, the weight of the heavy object is prevented from being completely acted on a connecting part of the driving shaft 16 and the gear box 17, the load of the connecting part of the driving shaft 16 and the gear box 17 is reduced, the gear box 17 is prevented from being damaged due to overlarge load, two strip-shaped grooves 12 symmetrically arranged along the gear box 17 are formed in the position of the hollow vehicle plate 1 where the gear box 17 is arranged, and when the driving arm 14 rotates, one end of the driving arm 14 on the upper side far away from the driving shaft 16 extends into the strip-shaped grooves 12, so that a gap between the hollow vehicle plate 1 and a stair step can be reduced conveniently when the hollow vehicle plate 1 climbs stairs.

Referring to fig. 2, a fixed base 7 is connected to the outer surface of a servo motor 6, two parallel sides of a gear box 17 are connected with fixed lugs 9, wherein a boss 8 is fixedly connected to one side of a hollow vehicle plate 1 facing the servo motor 6, so that the base 7 and the lugs 9 are connected and fixed with the boss 8 through fixed screws, and the wall thickness of the part of the hollow vehicle plate 1 where the servo motor 6 and the gear box 17 are installed is locally increased.

Referring to fig. 2 and 3, a plurality of insertion holes are uniformly formed in the top of the strip-shaped groove 12, wherein a connecting screw 20 is inserted into each insertion hole, one end of the connecting screw 20 extends into the hollow vehicle plate 1 and is in threaded connection with a reinforcing column 19, one end of the reinforcing column 19, which is far away from the connecting screw 20, is fixedly connected with a square head 18, the square head 18 is inserted into a square groove formed in one surface of the hollow vehicle plate 1, which is far away from the gear box 17, the square head 18 is mutually matched with the square groove, the reinforcing column 19 is prevented from rotating, after a plurality of reinforcing columns 19 respectively penetrate through a plurality of square grooves formed in one side surface of the hollow vehicle plate 1, the square head 18 at one end of the reinforcing column 19 is clamped in the square groove, then the connecting screw 20 penetrates through the insertion holes and is in threaded connection with the reinforcing column 19, and then under the action of the reinforcing column 19, the structural strength of the contact part of the hollow vehicle plate 1 and the roller 13 is improved.

Although the present disclosure describes embodiments, not every embodiment is described in terms of a single embodiment, and such description is for clarity only, and one skilled in the art will recognize that the embodiments described in the disclosure as a whole may be combined appropriately to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a floor truck actuating mechanism, includes hollow sweep (1), its characterized in that: the utility model discloses a hollow car board (1), push away handle (5) are installed to a side of hollow car board (1), push away one side of handle (5) and install layer board (2) that are used for lifting goods, one side that hollow car board (1) lower surface is close to layer board (2) is equipped with two wheels (4), two wheel (4) opposite faces all rotate and are connected with extension board (3), extension board (3) one end is fixed with hollow car board (1) connection, two be equipped with gear box (17) between extension board (3), gear box (17) are fixed with hollow car board (1) connection, gear box (17) input is fixed with servo motor (6) output connection, servo motor (6) are fixed with hollow car board (1) connection, two output of gear box (17) are all connected with and are fixed with transmission shaft (16), transmission shaft (16) are arranged perpendicularly with gear box (17) input, transmission shaft (16) are kept away from one end of gear box (17) and are connected and are fixed with two and are used for climbing gear box (14), one end that drive shaft (16) are close to one end (16) that is connected with transmission shaft (16) are connected with roller (16), the outer surface of the cylinder sleeve (15) is fixedly connected with the connecting plate (11), and one end, far away from the cylinder sleeve (15), of the connecting plate (11) is fixedly connected with the hollow vehicle plate (1).

2. A trolley driving mechanism according to claim 1, characterized in that: the electric power generation device is characterized in that a storage battery for supplying electric power to the servo motor (6) is arranged in the hollow vehicle plate (1), and a control switch for controlling a circuit between the servo motor (6) and the storage battery is arranged on one surface of the hollow vehicle plate (1) provided with the push handle (5).

3. A trolley driving mechanism according to claim 1, characterized in that: two strip-shaped grooves (12) symmetrically arranged along the gear box (17) are formed in the position, where the gear box (17) is mounted, of the hollow vehicle plate (1), and one end, far away from the transmission shaft (16), of the driving arm (14) extends into the strip-shaped grooves (12).

4. A trolley driving mechanism according to claim 3, characterized in that: the utility model discloses a hollow car board, including bar groove (12), connecting screw (20) are installed to the top in bar groove (12), a plurality of jack holes have evenly been seted up to top in bar groove (12), connect screw (20) one end to extend to in hollow car board (1) and with reinforcing column (19) threaded connection, the one end connection that connecting screw (20) was kept away from to reinforcing column (19) is fixed with square head (18), square head (18) are installed in square inslot, square inslot is seted up in the one side that hollow car board (1) deviates from gear box (17).

5. A trolley driving mechanism according to claim 1, characterized in that: the outer surface of the servo motor (6) is fixedly connected with a base (7), two parallel side surfaces of the gear box (17) are respectively connected and fixed with a support lug (9), one side of the hollow vehicle plate (1) facing the servo motor (6) is fixedly connected with a boss (8), and the base (7) and the support lug (9) are respectively connected and fixed with the boss (8) through fixing screws.

6. A trolley driving mechanism according to claim 1, characterized in that: two triangular plates (10) are symmetrically connected and fixed at one end, far away from the cylinder sleeve (15), of the connecting plate (11), and the triangular plates (10) are connected and fixed with the hollow vehicle plate (1).