Steering mechanism for rail serving trolley

Abstract

The utility model belongs to the technical field of catering equipment, and discloses a steering mechanism for a rail serving trolley, which comprises a trolley plate, suspension plates are symmetrically and fixedly mounted in the trolley plate, first motors are fixedly mounted in the two suspension plates, fixing columns are symmetrically and fixedly mounted at the bottom end of the trolley plate, and the fixing columns are fixedly mounted at the bottom end of the trolley plate. The outer sides of the two fixing columns are rotationally sleeved with rotating columns, an output shaft of the first motor is fixedly sleeved with a first bevel gear, and the outer sides of the rotating columns are fixedly sleeved with second bevel gears. Through the installed steering mechanism, when the meal delivery trolley runs, a first bevel gear can drive a second bevel gear to rotate in the horizontal direction when rotating, so that steering of a mounting frame, a second motor and moving wheels is achieved, autonomous steering in the meal delivery process can be achieved, the meal delivery trolley can conveniently deal with various types of rails to conduct meal delivery operation, and the meal delivery trolley is convenient to use. And the meal delivery efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of catering equipment, especially relates to a steering mechanism for track food delivery trolley. BACKGROUND

[0002] With the continuous expansion of modern restaurant scale, track food delivery trolley as a kind of efficient, convenient conveying equipment has been widely used in restaurant, food delivery trolley mainly freely travels on the track inside the restaurant, and food is sent to the designated position, while the inside of the trolley is equipped with sensors, etc., real-time monitoring the running state of the vehicle, to ensure the accuracy of food delivery.

[0003] But the existing track food delivery trolley in use, food delivery trolley relies on specific straight line or arc fixed track, cannot realize autonomous steering or dynamic path adjustment, and in peak period, path congestion is easy to form, which affects the efficiency of food delivery. UTILITY MODEL CONTENTS

[0004] The utility model discloses to the food delivery trolley in prior art relies on specific straight line or arc fixed track, cannot realize autonomous steering or dynamic path adjustment, and in peak period, path congestion is easy to form, which affects the efficiency of food delivery, and the following technical scheme is proposed:

[0005] A steering mechanism for track food delivery trolley, it include: the inside symmetry of carboard fixed mounting has the suspension board, the inside of two suspension boards is fixedly installed with first motor, the bottom of carboard symmetry fixed mounting has fixed column, the outside of two fixed column all rotationally sleeve joint has rotary column, the output shaft of first motor fixed sleeve has first helical gear, the outside of rotary column fixed sleeve has second helical gear.

[0006] As the preferred of above technical scheme, the number of first helical gear and second helical gear is set to two, and the outer surface of each first helical gear is meshed to the outer surface of the second helical gear at the corresponding position.

[0007] As the preferred of above technical scheme, the bottom of rotary column is fixedly connected with mounting bracket, the inside symmetry of mounting bracket fixed mounting has second motor, and the output shaft of two second motors is fixedly connected with moving wheel.

[0008] As the preferred of above technical scheme, the fixed column and rotary column are slidably installed with ball bearings.

[0009] As the preferred of above technical scheme, the inside of fixed column and rotary column is provided with recess at the outside position corresponding to ball bearing.

[0010] As the preferred of above technical scheme, the bottom of mounting bracket is installed with several groups of auxiliary wheels.

[0011] The utility model discloses an advantageous effect that

[0012] (1) the utility model discloses a steering mechanism is installed, makes the dining car when running, can make the first helical gear rotation when driving second helical gear rotation in horizontal direction, thereby realizes the steering of mounting bracket, second motor and moving wheel, can realize the autonomous steering in the dining process, and dining car is convenient for responding to the dining operation of various track, and the efficiency of dining is promoted;

[0013] (2) the utility model discloses a plurality of groups of ball are installed between fixed column and rotary column, makes the dining car when steering on the track, rotary column rotates around the outside of fixed column, drives the rotation of the ball at the top of rotary column, makes the contact surface of fixed column and rotary column through the rotation of ball instead of sliding contact, thereby greatly reducing the friction between rotary column and fixed column. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It shows a kind of structure schematic view of steering mechanism for track dining car;

[0015] Figure 2 It shows the structure schematic view of first motor and second motor;

[0016] Figure 3 It shows Figure 2 Structure schematic view of area A in;

[0017] Figure 4 It shows a kind of side view of steering mechanism for track dining car.

[0018] In the drawing: 1, plate;2, suspension plate;3, first motor;4, fixed column;5, rotary column;6, mounting bracket;7, first helical gear;8, second helical gear;9, second motor;10, moving wheel;11, ball;12, recess;13, auxiliary wheel. DETAILED DESCRIPTION

[0019] To make the purpose, technical scheme and advantages of the utility model embodiment more clear, the utility model technical scheme will be clearly and completely described below with examples.

[0020] Example 1

[0021] The utility model discloses a kind of steering mechanisms for track dining car, such as Figures 1 to 4As shown, including: the car plate 1, the inside of the car plate 1 is fixedly installed with the hanging plate 2, the inside of the two hanging plates 2 is fixedly installed with the first motor 3, the bottom end of the car plate 1 is fixedly installed with the fixed column 4, the outer side of the two fixed columns 4 is rotatably sleeved with the rotating column 5, the output shaft of the first motor 3 is fixedly sleeved with the first helical gear 7, the outer side of the rotating column 5 is fixedly sleeved with the second helical gear 8, the number of the first helical gear 7 and the second helical gear 8 is two, the outer surface of each first helical gear 7 is engagedly connected to the outer surface of the second helical gear 8 at the corresponding position, and in actual use, the cavity portion at the middle position of the car plate 1 is used to install the power supply for the meal delivery trolley to work, the first motor 3 is electrically connected between the power supply, so that the first motor 3 can drive the first helical gear 7 to rotate when working, and the first helical gear 7 drives the second helical gear 8 to rotate through the meshing connection between the gears, thereby realizing the purpose of steering the meal delivery trolley, so that the meal delivery trolley can automatically steer when working, facilitating it to cope with various meal delivery tracks for meal delivery work and improving the meal delivery efficiency.

[0022] As shown in Figures 1 to 4 , the bottom end of the rotating column 5 is fixedly connected with the mounting bracket 6, the inside of the mounting bracket 6 is fixedly installed with the second motor 9, the output shaft of the two second motors 9 is fixedly connected with the moving wheel 10, when the meal delivery trolley is placed on the meal delivery track, the second motor 9 is started to drive the moving wheel 10 to rotate, thereby realizing the forward or backward movement of the meal delivery trolley on the track.

[0023] As shown in Figure 2 and Figure 3 , the ball 11 is slidingly installed between the fixed column 4 and the rotating column 5, the recess 12 is formed in the inside of the fixed column 4 and the rotating column 5 corresponding to the outer side position of the ball 11, so that when the rotating column 5 drives the meal trolley to steer, the ball 11 rolls in the recess 12 of the fixed column 4 and the rotating column 5, and the contact surface between the fixed column 4 and the rotating column 5 is replaced by the rolling ball 11 to realize sliding contact, thereby effectively reducing the friction between the fixed column 4 and the rotating column 5, and ensuring that the meal delivery trolley can steer stably.

[0024] As shown in Figure 2 and Figure 4 , the bottom end of the mounting bracket 6 is installed with a plurality of groups of auxiliary wheels 13, when the meal delivery trolley is placed on a specific track to run, the auxiliary wheels 13 can slide along the inner wall of the track on both sides in the case of turning, so as to avoid the collision between the outer shell of the meal delivery trolley and the inner wall of the track, thereby protecting the equipment from impact damage and improving the safety and stability of the meal trolley when running.

[0025] Working principle: the device in actual use, the shell of the food delivery trolley is installed on the trolley plate 1, then the food delivery trolley is placed on the special food delivery track, and the second motor 9 is started to work, so that the moving wheel 10 drives the food delivery trolley to move forward and backward when rotating, when encountering corner position and other positions need to turn, the first motor 3 starts to work to drive the first helical gear 7 to rotate, the first helical gear 7 rotates to drive the second helical gear 8 to rotate through the meshing connection between the gears, the second helical gear 8 rotates to drive the rotating column 5 to deflect, so as to drive the mounting frame 6 to deflect, which can realize the automatic steering of the food delivery trolley, facilitate to cope with various food delivery situations, and improve the efficiency of food delivery;

[0026] When the rotating column 5 rotates, the ball 11 at the top end of the rotating column 5 rotates, which can convert the contact surface between the fixed column 4 and the rotating column 5 into sliding contact through the action of the ball 11, effectively reducing the friction between the rotating column 5 and the fixed column 4 when the device rotates, facilitating flexible steering of the food delivery trolley. The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them.

Claims

1. A steering mechanism for a rail-guided food delivery vehicle, characterized in that, include: The vehicle platform (1) has a suspension plate (2) symmetrically fixedly installed inside the vehicle platform (1). A first motor (3) is fixedly installed inside each of the two suspension plates (2). A fixed column (4) is symmetrically fixedly installed at the bottom end of the vehicle platform (1). A rotating column (5) is rotatably sleeved on the outside of each of the two fixed columns (4). A first helical gear (7) is fixedly sleeved on the output shaft of the first motor (3). A second helical gear (8) is fixedly sleeved on the outside of the rotating column (5).

2. The steering mechanism for a rail-mounted food delivery vehicle according to claim 1, characterized in that, The number of the first helical gear (7) and the second helical gear (8) is set to two, and the outer surface of each first helical gear (7) is meshed with the outer surface of the second helical gear (8) at the corresponding position.

3. The steering mechanism for a rail-mounted food delivery vehicle according to claim 1, characterized in that, The bottom end of the rotating column (5) is fixedly connected to a mounting bracket (6), and a second motor (9) is symmetrically fixedly installed inside the mounting bracket (6). The output shafts of the two second motors (9) are fixedly connected to moving wheels (10).

4. The steering mechanism for a rail-mounted food delivery vehicle according to claim 1, characterized in that, A ball bearing (11) is slidably installed between the fixed column (4) and the rotating column (5).

5. The steering mechanism for a rail-mounted food delivery vehicle according to claim 1, characterized in that, The fixed column (4) and the rotating column (5) are both provided with grooves (12) at the outer positions of the corresponding balls (11).

6. The steering mechanism for a rail-mounted food delivery vehicle according to claim 3, characterized in that, The bottom of the mounting bracket (6) is equipped with several sets of auxiliary wheels (13).

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