Driving device for automatic transport vehicle

Abstract

The invention discloses a driving device for an automatic transport vehicle. The driving device comprises a longitudinal trolley and a transverse trolley which are arranged on a vehicle frame. The two sets of longitudinal trolleys are arranged at the bottoms of the two ends of the frame in the length direction respectively and run along the longitudinal rails. The two sets of transverse trolleys are arranged at the bottoms of the two ends, in the length direction, of the frame respectively, located on the inner sides of the longitudinal trolleys and run along the transverse rails. The running direction of the longitudinal trolley is perpendicular to the running direction of the transverse trolley. The problem that an existing RGV transport trolley can only run front and back in the rail direction and cannot be replaced in other directions is solved.

Description

Technical Field

[0001] The present invention relates to a RGV transport vehicle, and more particularly to a driving device for an automatic transport vehicle. Background Art

[0002] With the continuous development of the economy, automated multi-story parking garages are becoming more and more widely used, and customers are placing higher and higher demands on automated handling equipment in multi-story garages.

[0003] The traditional RGV transport vehicle can only run forward and backward along the track direction and cannot change to other directions, which seriously affects the transportation function of the RGV transport vehicle. Summary of the invention

[0004] In view of the defects existing in the prior art, the purpose of the present invention is to provide a driving device for an automatic transport vehicle, which solves the problem that the existing RGV transport vehicle can only move linearly in a certain direction.

[0005] To achieve the above object, the present invention adopts the following technical solution:

[0006] A driving device for an automatic transport vehicle, comprising a longitudinal trolley and a transverse trolley arranged on a vehicle frame;

[0007] The longitudinal trolleys are provided with two sets, which are respectively arranged at the bottom positions of both ends of the length of the frame and run along the longitudinal track;

[0008] The transverse trolley is provided with two sets, which are respectively arranged at the bottom positions of both ends of the length of the frame and located on the inner side of the longitudinal trolley, and run along the transverse track;

[0009] The running directions of the longitudinal trolley and the transverse trolley are vertically arranged.

[0010] Preferably, the longitudinal trolleys each include a longitudinal trolley frame, longitudinal drive wheels, a longitudinal drive transmission mechanism, a lifting cylinder, and a guide mechanism;

[0011] The longitudinal trolley frame is arranged on the frame through the guide mechanism;

[0012] There are four longitudinal driving wheels, which are arranged at four corner positions of the longitudinal trolley frame;

[0013] The longitudinal drive transmission mechanism has two sets, which respectively drive the corresponding two longitudinal drive wheels;

[0014] The bottom end of the lifting cylinder is arranged on the longitudinal trolley frame, and the movable end is connected to the frame;

[0015] The bottom end of the guide mechanism is arranged on the longitudinal trolley frame, and the movable end is connected to the frame.

[0016] Preferably, the longitudinal drive transmission mechanism includes a longitudinal drive motor, a reducer and a transmission shaft;

[0017] The output side of the longitudinal drive motor is connected to the input side of the reducer;

[0018] The transmission shafts have two ends, one end of each of which is connected to the output side of the reducer, and the other end of each of which is connected to the corresponding longitudinal driving wheel.

[0019] Preferably, the guide mechanism has two sets, which are symmetrically arranged on the longitudinal trolley frame, and each includes a base and a guide rod;

[0020] The base is arranged on the longitudinal trolley frame;

[0021] The base is provided with two guide holes;

[0022] There are two guide rods, the lower ends of which are arranged in the corresponding guide holes and move up and down along the guide holes, and the upper ends of which are connected to the vehicle frame.

[0023] Preferably, auxiliary wheels are provided at the four middle corners of the longitudinal trolley frame.

[0024] Preferably, the transverse trolleys each include a transverse trolley frame, a transverse driving wheel and a transverse driving transmission mechanism;

[0025] The transverse trolley frame is rigidly mounted on the frame by bolts;

[0026] There are two transverse driving wheels, which are respectively arranged at the two ends of the transverse trolley frame;

[0027] The transverse drive transmission mechanism has two sets, which respectively drive the corresponding transverse drive wheels.

[0028] Preferably, the transverse drive transmission mechanism includes a transverse and longitudinal drive motor and a reducer;

[0029] The output side of the transverse drive motor is connected to the input side of the reducer;

[0030] The output side of the speed reducer is connected to the corresponding lateral driving wheel.

[0031] Preferably, the transverse trolley frame is mounted on the frame by bolts.

[0032] Preferably, when the longitudinal trolley is running longitudinally, the auxiliary wheels provide auxiliary support when the driving wheels pass through the intersection and disconnection of the tracks.

[0033] The driving device for the automatic transport vehicle provided by the present invention can run on parallel or vertical tracks, has low cost and high reliability. The longitudinal trolley and the transverse trolley are used to realize the automatic transport vehicle running on mutually vertical tracks, thereby improving the reliability and working efficiency of the automatic transport vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a front schematic diagram of the four-way transport vehicle for track use of the present invention;

[0035] Figure 2 It is a top view schematic diagram of the four-way transport vehicle for track of the present invention;

[0036] Figure 3 It is a schematic structural diagram of the longitudinal trolley in the four-way transport vehicle for track use of the present invention;

[0037] Figure 4 It is a schematic structural diagram of a transverse trolley in a four-way transport vehicle for track use of the present invention. DETAILED DESCRIPTION

[0038] In order to better understand the above technical solution of the present invention, the technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0039] Combination Figure 1 and Figure 2 As shown, the present invention provides a driving device for an automatic transport vehicle, comprising a longitudinal trolley 2 and a transverse trolley 3 arranged on a vehicle frame 1.

[0040] Two sets of longitudinal trolleys 2 are provided, which are respectively installed at the bottom positions of both ends of the length of the frame 1 and run along the longitudinal track 4.

[0041] Two sets of transverse trolleys 3 are provided, which are respectively installed at the bottom positions of both ends of the frame 1 in the length direction and are located on the inner side of the longitudinal trolley 2 and run along the transverse track 5.

[0042] The running directions of the longitudinal trolley 2 and the transverse trolley 3 are vertically arranged.

[0043] Combination Figure 3 As shown, the longitudinal trolley 2 includes a longitudinal trolley frame 201 , longitudinal drive wheels 202 , a longitudinal drive transmission mechanism, a lifting cylinder 203 , a guide mechanism 204 and auxiliary wheels 208 .

[0044] The longitudinal trolley frame 201 is connected to the frame 1 through a guide mechanism 204 .

[0045] There are four longitudinal driving wheels 202 , which are respectively installed at the four corners of the longitudinal trolley frame 201 , and are symmetrically located at the bottom positions of both ends of the frame 1 in pairs.

[0046] There are two sets of longitudinal drive transmission mechanisms, which drive two corresponding longitudinal drive wheels 202 respectively.

[0047] There are two lifting cylinders 203 , which are arranged on both sides of the center of the longitudinal trolley frame 201 , respectively. The bottom ends of the lifting cylinders 203 are connected and fixed to the longitudinal trolley frame 201 , and the movable ends are connected and fixed to the frame 1 .

[0048] There are two sets of guide mechanisms, which are symmetrically arranged on the upper surface of the longitudinal trolley frame 201 and each includes a base 209 and a guide rod 210.

[0049] The base 209 is connected and fixed to the upper surface of the longitudinal trolley frame 201 .

[0050] A guide hole is provided at each of the two sides of the base 209 , and a guide rod 210 is disposed in each of the guide holes.

[0051] The guide rod 210 moves up and down along the guide hole, and the upper end of the guide rod 210 is connected and fixed to the vehicle frame 1 .

[0052] The longitudinal drive transmission mechanism includes a longitudinal drive motor 206 , a reducer 207 and a transmission shaft 205 .

[0053] The output side of the longitudinal drive motor 206 is connected to the input side of the speed reducer 207 .

[0054] There are two transmission shafts 205 , one end of each of which is connected to the output side of the reducer 207 , and the other end of each of which is connected to the corresponding longitudinal driving wheel 202 .

[0055] The longitudinal driving motor 206 drives the longitudinal driving wheel 202 to move along the longitudinal track 4 through the reducer 207 and the transmission shaft 205 .

[0056] The transverse trolley 3 includes a transverse trolley frame 301 , a transverse driving wheel 302 and a transverse driving transmission mechanism.

[0057] The transverse trolley frame 301 is fixed to the frame 1 by bolt connection.

[0058] There are two transverse driving wheels 302 , which are respectively installed at the two ends of the transverse trolley frame 301 , and are symmetrically located at the bottom of the two ends of the frame 1 in the length direction.

[0059] There are two sets of transverse driving transmission mechanisms, which drive corresponding transverse driving wheels 302 respectively.

[0060] The transverse drive transmission mechanism includes a transverse and longitudinal drive motor 303 and a reducer 304 .

[0061] The output side of the transverse drive motor 303 is connected to the input side of the speed reducer 304 .

[0062] The output side of the speed reducer 304 is connected to the corresponding lateral driving wheel 302 .

[0063] The transverse driving motor 303 drives the transverse driving wheel 302 to move along the transverse track 5 through the reducer 304 .

[0064] The working process of the driving device for the automatic transport vehicle of the present invention is as follows:

[0065] When the lifting cylinder 203 is in the lifting state, under the guidance of the guide rod 210, the longitudinal trolley 2 contacts the longitudinal track 4, the frame 1 lifts upward and moves upward with the transverse trolley 3, the transverse trolley 3 is separated from the transverse track 5, the automatic transport vehicle executes the movement of the longitudinal track 4, and the auxiliary wheels provide auxiliary support when the driving wheels of the longitudinal trolley pass the intersection and disconnection of the tracks; when the lifting cylinder 203 is in the retracted and descended state, the longitudinal trolley 2 is lifted and separated from the longitudinal track 4 under the action of the lifting cylinder 203 and the guide rod 210, and at the same time, the frame 1 and the transverse trolley 3 descend, the transverse trolley 3 contacts the transverse track 5, and the automatic transport vehicle executes the movement of the transverse track 5, thereby realizing the automatic transport vehicle moving on the longitudinal track 4 and the transverse track 5 respectively, achieving the purpose of transporting goods and completing the transportation task.

[0066] Those skilled in the art should recognize that the above embodiments are only used to illustrate the present invention, and are not intended to limit the present invention. As long as they are within the spirit of the present invention, any changes or modifications to the above embodiments will fall within the scope of the claims of the present invention.

Claims

1. A driving device for an automatic transport vehicle, characterized in that: It includes a longitudinal trolley and a transverse trolley arranged on the frame; The longitudinal trolleys are provided with two sets, which are respectively arranged at the bottom positions of both ends of the length of the frame and run along the longitudinal track; The transverse trolley is provided with two sets, which are respectively arranged at the bottom positions of both ends of the length of the frame and located on the inner side of the longitudinal trolley, and run along the transverse track; The running directions of the longitudinal trolley and the transverse trolley are vertically arranged.

2. The driving device for the automatic transport vehicle according to claim 1, characterized in that: The longitudinal trolleys all include a longitudinal trolley frame, longitudinal drive wheels, a longitudinal drive transmission mechanism, a lifting cylinder, and a guide mechanism; The longitudinal trolley frame is arranged on the frame through the guide mechanism; There are four longitudinal driving wheels, which are arranged at four corner positions of the longitudinal trolley frame; The longitudinal drive transmission mechanism has two sets, which respectively drive the corresponding two longitudinal drive wheels; The bottom end of the lifting cylinder is arranged on the longitudinal trolley frame, and the movable end is connected to the frame; The bottom end of the guide mechanism is arranged on the longitudinal trolley frame, and the movable end is connected to the frame.

3. The driving device for the automatic transport vehicle according to claim 2, characterized in that: The longitudinal drive transmission mechanism includes a longitudinal drive motor, a reducer and a transmission shaft; The output side of the longitudinal drive motor is connected to the input side of the reducer; The transmission shafts have two ends, one end of each of which is connected to the output side of the reducer, and the other end of each of which is connected to the corresponding longitudinal driving wheel.

4. The driving device for the automatic transport vehicle according to claim 2, characterized in that: The guide mechanism has two sets, which are symmetrically arranged on the longitudinal trolley frame, and each includes a base and a guide rod; The base is arranged on the longitudinal trolley frame; The base is provided with two guide holes; There are two guide rods, the lower ends of which are arranged in the corresponding guide holes and move up and down along the guide holes, and the upper ends of which are connected to the vehicle frame.

5. The driving device for the automatic transport vehicle according to claim 2, characterized in that: Auxiliary wheels are arranged at the four middle corners of the longitudinal trolley frame.

6. The driving device for the automatic transport vehicle according to claim 1, characterized in that: The transverse trolleys all include a transverse trolley frame, a transverse driving wheel and a transverse driving transmission mechanism; The transverse trolley frame is rigidly mounted on the frame by bolts; There are two transverse driving wheels, which are respectively arranged at the two ends of the transverse trolley frame; The transverse drive transmission mechanism has two sets, which respectively drive the corresponding transverse drive wheels.

7. The driving device for the automatic transport vehicle according to claim 6, characterized in that: The transverse drive transmission mechanism includes a transverse and longitudinal drive motor and a reducer; The output side of the transverse drive motor is connected to the input side of the reducer; The output side of the speed reducer is connected to the corresponding lateral driving wheel.

8. The driving device for the automatic transport vehicle according to claim 6, characterized in that: The transverse trolley frame is arranged on the frame by bolts.

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