Telescopic fork type rail carrier

Abstract

The utility model relates to the technical field of storage and transportation, in particular to a telescopic fork type rail carrier which comprises a rail, a carrier body, a jacking mechanism, a telescopic pallet fork, an anti-overturning mechanism and a controller. The vehicle body is arranged on the track and can move in the length direction of the track. The jacking mechanism is arranged on the vehicle body, and the telescopic pallet fork is arranged on the jacking mechanism and can move in the height direction of the vehicle body under the action of the jacking mechanism. The anti-overturning mechanism is arranged on the vehicle body and abuts against a supporting base arranged on the outer side of the rail, and therefore vehicle body overturning prevention is achieved. The controller is electrically connected with the jacking mechanism and the telescopic pallet fork. The rail carrier has the advantages that in the cargo carrying process, the anti-overturning mechanism is arranged, so that the carrier is prevented from overturning on one side when a heavy object is forked, and the stability of the rail carrier is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of logistics, in particular to a telescopic fork type rail transport vehicle. Background Art

[0002] At present, the cargo handling in logistics conveyor lines mainly adopts RGV (Rail Guided Vehicle) mother vehicle plus sub-vehicles extending along the shelf direction and the lifting mechanism on the sub-vehicles to achieve the picking, placing and handling of goods. Then the RGV is moved to other positions to complete the handling function. Although the structure is stable and has no overturning moment, the positioning requirements of the sub-vehicles are high. The sub-vehicles need to be equipped with tracks at each material picking and placing position and separated from the mother vehicle, which makes the storage efficiency too high and squeezes the storage space.

[0003] In summary, there is an urgent need for a telescopic fork type rail transporter to solve the problems existing in the prior art. Utility Model Content

[0004] The utility model aims to provide a telescopic fork type rail transport vehicle, and the specific technical scheme is as follows:

[0005] A telescopic fork type rail transport vehicle, comprising:

[0006] track;

[0007] A vehicle body, arranged on the track and capable of moving along the length direction of the track;

[0008] A lifting mechanism is arranged on the vehicle body;

[0009] A telescopic fork is arranged on the lifting mechanism and can move along the height direction of the vehicle body under the action of the lifting mechanism;

[0010] An anti-overturning mechanism is arranged on the vehicle body and abuts against a support seat arranged on the outer side of the track to prevent the vehicle body from overturning;

[0011] A controller is electrically connected to the lifting mechanism and the telescopic fork respectively.

[0012] Preferably, the vehicle body includes a frame and a traveling mechanism disposed on the frame, the traveling mechanism is used to drive the frame to move along the length direction of the track, and the lifting mechanism is disposed on a side of the frame away from the track.

[0013] Preferably, the walking mechanism comprises a driving wheel, a driven wheel and a driving motor, the driving wheel and the driven wheel are respectively rotatably arranged on the frame and are both in contact with the upper surface of the track, and the driving motor is drivingly connected to the driving wheel.

[0014] Preferably, the jacking mechanism includes a lifting seat, a guide wheel assembly, a lifting oil cylinder and an oil cylinder connecting seat;

[0015] The oil cylinder connecting seat is arranged on the vehicle frame;

[0016] The lifting oil cylinder includes a piston rod and an oil cylinder body. The piston rod is hinged to the lifting seat, and the oil cylinder body is hinged to the oil cylinder connecting seat;

[0017] The guide wheel assembly includes at least four groups of guide wheel units arranged on the vehicle frame, and at least one group of guide wheel units is arranged in each of the front, rear, left and right directions of the lifting seat;

[0018] Each guide wheel unit includes at least two guide wheels arranged along the height direction of the vehicle body, and the guide wheels are in rolling contact with the lifting seat.

[0019] Preferably, the telescopic fork includes a fork bottom plate, a fork motor and a telescopic arm;

[0020] The fork bottom plate is arranged on the lifting seat;

[0021] The fork motor and the telescopic arm are both arranged on the fork bottom plate. The fork motor drives the telescopic arm to reciprocate in the first direction to convey materials, and the first direction is perpendicular to the length direction of the track.

[0022] Preferably, the telescopic arm includes an upper fork body and a lower fork body;

[0023] The lower fork body is arranged on the fork bottom plate and is movably arranged along the first direction;

[0024] The upper fork body is arranged on the lower fork body and is movably arranged along the first direction.

[0025] Preferably, the telescopic fork further includes a transmission assembly;

[0026] The lower fork body is movably arranged on the fork bottom plate through the transmission assembly;

[0027] The upper fork body is movably arranged on the lower fork body through the transmission assembly;

[0028] The transmission assembly is used to realize the synchronous movement of the lower fork body and the upper fork body along the first direction.

[0029] Preferably, the anti-overturning mechanism includes at least two anti-overturning units. At least one anti-overturning unit is arranged on each of the opposite sides of the vehicle frame in the first direction. The anti-overturning mechanism is used to limit the tilting range of the vehicle frame and the track.

[0030] Preferably, the anti-overturning single piece includes a fixed block, an anti-tilting block, and a fastener. The fixed block is fixed to the side of the vehicle frame close to the track. The anti-tilting block is fixed to the fixed block through the fastener, and the anti-tilting block is used to abut against a support seat arranged on the track.

[0031] Preferably, the telescopic fork type rail-mounted transporter further includes a power supply assembly, which is used to provide working power for the vehicle body, the lifting mechanism, the telescopic fork, and the controller.

[0032] Applying the technical solution of the present invention has the following beneficial effects:

[0033] Compared with the prior art, the telescopic fork type rail-mounted transporter disclosed by the present invention is provided with a lifting mechanism on the vehicle body and a telescopic fork on the lifting mechanism. When the vehicle body moves to the conveyor position or the storage position to pick up goods, the telescopic fork is controlled by the controller to extend to the conveyor line or the storage position, and then the lifting mechanism jacks up the telescopic fork to lift the goods off the conveyor or the storage position. Then the telescopic fork retracts with the goods, and the lifting mechanism descends to the in-place position. When the vehicle body carries the goods to run to other conveyor positions or storage positions to unload the goods, the lifting mechanism jacks up the telescopic fork and the goods to the in-place position, the telescopic fork extends with the goods to the unloading position, the lifting mechanism descends to the in-place position, and after the unloading is completed, the telescopic fork retracts to complete the entire handling operation. During the above-mentioned goods handling process, the present invention improves the stability of the rail-mounted transporter by setting an anti-overturning mechanism to prevent the transporter from tipping over when picking up heavy objects.

[0034] In addition to the purposes, features, and advantages described above, the present invention has other purposes, features, and advantages. The following will refer to the drawings for a further detailed description of the present invention. Description of the Drawings

[0035] The drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention.

[0036] In the drawings:

[0037] Figure 1 is a schematic structural diagram of the telescopic fork type rail-mounted transporter in the preferred embodiment of the present invention;

[0038] Figure 2 is Figure 1 a schematic structural diagram of the lifting mechanism and the telescopic fork (the telescopic fork is not extended) in

[0039] Figure 3 is Figure 1Structural schematic diagram of the middle lifting mechanism and the telescopic fork (the telescopic fork is extended);

[0040] Figure 4 is Figure 1 Structural schematic diagram of the middle vehicle body and the oil cylinder connecting seat.

[0041] Description of main component symbols:

[0042] A. Goods;

[0043] 1. Rail; 1.1. Support seat;

[0044] 2. Vehicle body; 2.1. Frame; 2.2. Traveling mechanism; 2.21. Driving wheel; 2.22. Driven wheel; 2.23. Driving motor;

[0045] 3. Lifting mechanism; 3.1. Lifting seat; 3.2. Guide assembly; 3.21. Single guide wheel; 3.3. Lifting oil cylinder; 3.31. Piston rod; 3.32. Oil cylinder body; 3.4. Oil cylinder connecting seat;

[0046] 4. Telescopic fork; 4.1. Fork bottom plate; 4.2. Fork motor; 4.3. Telescopic arm; 4.31. Upper fork body; 4.32. Lower fork body;

[0047] 5. Anti-overturning mechanism; 5.1. Fixed block; 5.2. Anti-tipping block; 5.3. Fastener;

[0048] 6. Controller;

[0049] 7. Power supply assembly. Specific implementation mode

[0050] The following will describe the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention can be implemented in many different ways defined and covered by the claims.

[0051] Embodiment:

[0052] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , Figure 1 is the structural schematic diagram of the telescopic fork type rail-mounted transporter in the preferred embodiment of the present invention; Figure 2 is Figure 1 the structural schematic diagram of the middle lifting mechanism and the telescopic fork (the telescopic fork is not extended); Figure 3 is Figure 1 the structural schematic diagram of the middle lifting mechanism and the telescopic fork (the telescopic fork is extended); Figure 4 is Figure 1 the structural schematic diagram of the middle vehicle body and the oil cylinder connecting seat.

[0053] As shown Figure 1 in the figure, this embodiment discloses a telescopic fork type rail-mounted transporter, which includes a rail 1, a vehicle body 2, a lifting mechanism 3, telescopic forks 4, an anti-overturning mechanism 5, and a controller 6.

[0054] The vehicle body 2 is arranged on the rail 1 and can move along the length direction of the rail 1. The lifting mechanism 3 is arranged on the vehicle body 2, and the telescopic forks 4 are arranged on the lifting mechanism 3 and can move along the height direction of the vehicle body 2 under the action of the lifting mechanism 3. The anti-overturning mechanism 5 is arranged on the vehicle body 2 and abuts against a support seat 1.1 arranged outside the rail 1 to realize anti-overturning of the vehicle body 2. The controller 6 is electrically connected to the lifting mechanism 3 and the telescopic forks 4 respectively.

[0055] In this embodiment, the telescopic fork type rail-mounted transporter is provided with a lifting mechanism 3 on the vehicle body 2 and telescopic forks 4 on the lifting mechanism 3. When the vehicle body 2 moves to the conveyor position or the storage position to pick up goods, the telescopic forks 4 are controlled by the controller 6 to extend to the conveyor line or the storage position, and then the lifting mechanism 3 lifts the telescopic forks 4 to make the goods A leave the conveyor or the storage position. Then the telescopic forks 4 retract with the goods A, and the lifting mechanism 3 descends to the in-place position. When the vehicle body 2 carries the goods A to run to other conveyor positions or storage positions to unload the goods, the lifting mechanism 3 lifts the telescopic forks 4 and the goods A to the in-place position, the telescopic forks 4 extend with the goods A to the unloading position, the lifting mechanism 3 descends to the in-place position. After the unloading is completed, the telescopic forks 4 retract to complete the entire handling operation. During the handling process of the above goods A, the utility model improves the stability of the rail-mounted transporter by setting the anti-overturning mechanism 5 to prevent the transporter from tipping over when picking up heavy objects.

[0056] Among them, two rails 1 are provided, and the two rails 1 are arranged in parallel and at intervals. The controller 6 can be a central processing unit (CPU), or other general-purpose processors, digital signal processors (DSPs), application specific integrated circuits (ASICs), field programmable gate arrays (FPGAs), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. The general-purpose processor can be a microprocessor or any conventional processor, etc. For example, a control card with a chip model of STM32F407 or STM32F103. The controller 6 can be communicatively connected to other components through any wired communication method. In this embodiment, the controller 6 is arranged in an electric control box, and the electric control box is installed on the vehicle body 2.

[0057] In one embodiment, the vehicle body 2 includes a vehicle frame 2.1 and a traveling mechanism 2.2 disposed on the vehicle frame 2.1. The traveling mechanism 2.2 is configured to drive the vehicle frame 2.1 to move along the length direction of the track 1. The lifting mechanism 3 is disposed on a side of the vehicle frame 2.1 facing away from the track 1.

[0058] Specifically, in this embodiment, the traveling mechanism 2.2 includes a driving wheel 2.21, a driven wheel 2.22, and a driving motor 2.23. The driving wheel 2.21 and the driven wheel 2.22 are respectively rotatably disposed on the vehicle frame 2.1 through rotating shafts and are both in contact with the upper surface of the track 1. The driving motor 2.23 is in transmission connection with the driving wheel 2.21. The driving motor 2.23 drives the driving wheel 2.21 to roll on the upper surface of the track 1, thereby realizing the movement of the vehicle frame 2.1 on the track 1. The traveling mechanism 2.2 of this embodiment has a simple structure, which is convenient for installation, arrangement, and maintenance.

[0059] It should be noted that in other embodiments, the traveling mechanism 2.2 can also adopt other designs. For example, the traveling mechanism 2.2 includes a non-powered traveling wheel installed at the bottom of the vehicle frame 2.1 and in contact with the track 1, a rack fixed on the side surface of the track 1 and extending along the length direction of the track 1, a motor fixed at the bottom of the vehicle frame 2.1, and a gear fixed on the output shaft of the motor. The gear meshes with the rack. By driving the gear to rotate on the rack by the motor, the vehicle frame 2.1 can move on the track 1.

[0060] Specifically, the cross-section of the track 1 is in an I shape, and the track 1 can adopt an I-beam. The main body part and the protruding part are of an integral structure and can be formed by forging steel.

[0061] In this embodiment, as Figure 2 、 Figure 3 and Figure 4As shown in the figure, the jacking mechanism 3 includes a lifting seat 3.1, a guiding assembly 3.2, a lifting oil cylinder 3.3, and an oil cylinder connecting seat 3.4; the oil cylinder connecting seat 3.4 is arranged on the vehicle frame 2.1; the lifting oil cylinder 3.3 includes a piston rod 3.31 and an oil cylinder body 3.32, the piston rod 3.31 is hinged to the lifting seat 3.1, and the oil cylinder body 3.32 is hinged to the oil cylinder connecting seat 3.4; the guiding assembly 3.2 includes at least four groups of single guiding wheels 3.21 arranged on the vehicle frame 2.1, and at least one group of single guiding wheels 3.21 is provided in each of the front, rear, left, and right directions of the lifting seat 3.1; the single guiding wheel 3.21 includes at least two guiding wheels arranged along the height direction of the vehicle body 2, and the guiding wheels are in rolling contact with the lifting seat 3.1. In this embodiment, the connections between the lifting seat 3.1 and the piston rod 3.31 of the lifting oil cylinder 3.3, and between the oil cylinder connecting seat 3.4 and the oil cylinder body 3.32 both adopt the hinged method, which avoids the tilting and jamming of the telescopic fork 4 when it extends with load or damages the oil cylinder. In addition, in this embodiment, four groups of single guiding wheels 3.21 are respectively installed in the front, rear, left, and right directions of the lifting seat 3.1, and the four groups of single guiding wheels 3.21 cooperate to limit the movement of the lifting seat 3.1 in the height direction of the vehicle body 2, avoiding the tilting of the jacking mechanism 3 during the lifting process.

[0062] In this embodiment, the telescopic fork 4 includes a fork bottom plate 4.1, a fork motor 4.2, and a telescopic arm 4.3; the fork bottom plate 4.1 is arranged on the lifting seat 3.1; the fork motor 4.2 and the telescopic arm 4.3 are both arranged on the fork bottom plate 4.1, and the fork motor 4.2 drives the telescopic arm 4.3 to reciprocate in the first direction to convey materials, and the first direction is perpendicular to the length direction of the track 1.

[0063] In a specific embodiment, the telescopic arm 4.3 includes an upper fork body 4.31 and a lower fork body 4.32; the lower fork body 4.32 is arranged on the fork bottom plate 4.1 and is movably arranged along the first direction; the upper fork body 4.31 is arranged on the lower fork body 4.32 and is movably arranged along the first direction.

[0064] In a more specific embodiment, the telescopic fork 4 further includes a transmission assembly; the lower fork body 4.32 is movably arranged on the fork bottom plate 4.1 through the transmission assembly; the upper fork body 4.31 is movably arranged on the lower fork body 4.32 through the transmission assembly; the transmission assembly is used to realize the synchronous movement of the lower fork body 4.32 and the upper fork body 4.31 along the first direction. In this embodiment, the transmission assembly can be a gear-rack transmission assembly or a sprocket-chain transmission assembly.

[0065] In one implementation, the transmission assembly includes a gear and a rack; the gear is rotatably arranged on the fork bottom plate 4.1 and the lower fork body 4.32 through a rotating shaft, the rack is fixed on the lower fork body 4.32 and the upper fork body 4.31, the rack located at the lower fork body 4.32 meshes with the gear located at the fork bottom plate 4.1, and the rack located at the upper fork body 4.31 meshes with the gear located at the lower fork body 4.32; the gear located at the fork bottom plate 4.1 and the gear located at the lower fork body 4.32 are driven by two fork motors 4.2 respectively. In this embodiment, the two fork motors 4.2 can be started synchronously.

[0066] It should be noted that the function of the transmission assembly realized by using a sprocket chain is similar to that of the above-mentioned gear rack, and will not be repeated here.

[0067] In addition, in this embodiment, a guide frame is provided above the lifting mechanism 3, and the guide frame is used to place cargo A. The guide frame is provided with slopes at the front and rear along the length direction of the track to clamp the cargo A and ensure the stability of the cargo A during the movement of the vehicle body 2.

[0068] In this embodiment, the anti-overturning mechanism 5 includes at least two anti-overturning pieces, and at least one anti-overturning piece is provided on each of the two opposite sides of the frame 2.1 in the first direction, and the anti-overturning mechanism 5 is used to limit the tilting range of the frame 2.1 and the track 1. In this embodiment, the anti-overturning mechanism 5 can prevent the vehicle body 2 from tipping over due to the overturning moment when the telescopic fork 4 is extended to pick up and place the cargo A.

[0069] In a specific embodiment, the anti-rollover mechanism 5 includes a fixed block 5.1, an anti-rollover block 5.2 and a fastener 5.3, wherein the fixed block 5.1 is fixed to the side of the frame 2.1 close to the track 1, and the anti-rollover block 5.2 is fixed to the fixed block 5.1 through the fastener 5.3, and the anti-rollover block 5.2 is used to abut against a support seat 1.1 provided on the track 1. The support seat 1.1 in this embodiment is a protrusion on the side of the track 1 away from the vehicle body 2, and the anti-rollover mechanism 5 can abut against the support seat 1.1 when the telescopic fork 4 is extended to pick up and place the goods A, thereby supporting the vehicle body 2 to maintain stability.

[0070] By setting the anti-tilt mechanism 5 as above, the structure is simple and the installation and arrangement are convenient. Specifically, the fixing block 5.1 can be directly welded to the frame 2.1, the fastener 5.3 is a screw, a threaded hole is provided on the fixing block 5.1, and a through hole corresponding to the threaded hole is provided on the anti-tilt block 5.2. The anti-tilt block 5.2 can be connected to the fixing block 5.1 by screwing the screw through the through hole on the anti-tilt block 5.2 and the threaded hole on the fixing block 5.1. In order to improve the connection strength, the above-mentioned threaded hole, through hole and screw are all provided in plurality.

[0071] In this embodiment, the telescopic fork type rail-mounted transporter further includes a power supply assembly 7, and the power supply assembly 7 is used to provide working power for the vehicle body 2, the lifting mechanism 3, the telescopic fork 4 and the controller 6. The power supply assembly 7 in this embodiment can provide working power in the way of a pantograph or a drag chain for cable routing. Other power supply methods for rail vehicles can also be adopted in this embodiment.

[0072] In one implementation, the power supply assembly 7 includes a pantograph and a current collector; the pantograph is arranged along the length direction of the track; the current collector is installed under the vehicle body 2, and the current collector slides and is electrically connected to the pantograph, and the pantograph is used to provide working power for the vehicle body 2, the lifting mechanism 3, the telescopic fork 4 and the controller 6.

[0073] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A telescopic fork type rail transport vehicle, characterized in that: include: Track (1); A vehicle body (2) is arranged on the track (1) and is movable along the length direction of the track (1); A lifting mechanism (3) is arranged on the vehicle body (2); a telescopic fork (4), which is arranged on the lifting mechanism (3) and can move along the height direction of the vehicle body (2) under the action of the lifting mechanism (3); An anti-overturning mechanism (5) is arranged on the vehicle body (2) and abuts against a support seat (1.1) arranged outside the track (1) to prevent the vehicle body from overturning; A controller (6) is electrically connected to the lifting mechanism (3) and the telescopic fork (4) respectively.

2. The telescopic fork type rail transporter according to claim 1, characterized in that: The vehicle body (2) comprises a vehicle frame (2.1) and a running mechanism (2.2) arranged on the vehicle frame (2.1), wherein the running mechanism (2.2) is used to drive the vehicle frame (2.1) to move along the length direction of the track (1), and the lifting mechanism (3) is arranged on a side of the vehicle frame (2.1) away from the track (1).

3. The telescopic fork type rail transporter according to claim 2, characterized in that: The walking mechanism (2.2) comprises a driving wheel (2.21), a driven wheel (2.22) and a driving motor (2.23); the driving wheel (2.21) and the driven wheel (2.22) are respectively rotatably arranged on the frame (2.1) and are both in contact with the upper surface of the track (1); and the driving motor (2.23) is drivingly connected to the driving wheel (2.21).

4. The telescopic fork type rail transporter according to claim 2, characterized in that: The lifting mechanism (3) comprises a lifting seat (3.1), a guide assembly (3.2), a lifting cylinder (3.3) and a cylinder connecting seat (3.4); The oil cylinder connecting seat (3.4) is arranged on the vehicle frame (2.1); The lifting cylinder (3.3) comprises a piston rod (3.31) and a cylinder body (3.32), the piston rod (3.31) is hinged to the lifting seat (3.1), and the cylinder body (3.32) is hinged to the cylinder connecting seat (3.4); The guide assembly (3.2) comprises at least four groups of guide wheel single pieces (3.21) arranged on the frame (2.1), and at least one group of guide wheel single pieces (3.21) is arranged in the front, rear, left, and right directions of the lifting seat (3.1); The guide wheel single piece (3.21) comprises at least two guide wheels arranged along the height direction of the vehicle body (2), and the guide wheels are in rolling contact with the lifting seat (3.1).

5. The telescopic fork type rail transporter according to claim 4, characterized in that: The telescopic fork (4) comprises a fork base plate (4.1), a fork motor (4.2) and a telescopic arm (4.3); The fork base plate (4.1) is arranged on the lifting seat (3.1); The fork motor (4.2) and the telescopic arm (4.3) are both arranged on the fork bottom plate (4.1); the fork motor (4.2) drives the telescopic arm (4.3) to move back and forth in a first direction to transport materials; the first direction is perpendicular to the length direction of the track (1).

6. The telescopic fork type rail transporter according to claim 5, characterized in that: The telescopic arm (4.3) comprises an upper fork body (4.31) and a lower fork body (4.32); The lower fork body (4.32) is arranged on the fork bottom plate (4.1) and is arranged to move along the first direction; The upper fork body (4.31) is arranged on the lower fork body (4.32) and is arranged to move along the first direction.

7. The telescopic fork type rail transporter according to claim 6, characterized in that: The telescopic fork (4) also includes a transmission assembly; The lower fork body (4.32) is movably arranged on the fork bottom plate (4.1) through a transmission assembly; The upper fork body (4.31) is movably arranged on the lower fork body (4.32) through a transmission assembly; The transmission assembly is used to realize synchronous movement of the lower fork body (4.32) and the upper fork body (4.31) along the first direction.

8. The telescopic fork type rail transporter according to claim 7, characterized in that: The anti-tilt mechanism (5) comprises at least two anti-tilt pieces, and at least one anti-tilt piece is provided on each of the two opposite sides of the frame in the first direction. The anti-tilt mechanism is used to limit the tilt range of the frame and the track.

9. The telescopic fork type rail transporter according to claim 1, characterized in that: The anti-tilt single piece comprises a fixed block (5.1), an anti-tilt block (5.2) and a fastener (5.3); the fixed block (5.1) is fixed to a side of the frame (2.1) close to the track (1); the anti-tilt block (5.2) is fixed to the fixed block (5.1) via the fastener (5.3); and the anti-tilt block (5.2) is used to abut against a support seat (1.1) arranged on the track (1).

10. The telescopic fork rail transporter according to claim 1, characterized in that: It also includes a power supply component (7), which is used to provide working power for the vehicle body (2), the lifting mechanism (3), the telescopic fork (4) and the controller (6).

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