Mechanical jacking and reversing device for shuttle vehicle

Abstract

The utility model relates to the technical field of shuttle vehicles, in particular to a mechanical jacking reversing device for a shuttle vehicle. Comprising a shuttle vehicle fixing frame, the left side and the right side of the shuttle vehicle fixing frame are each connected with a plurality of first walking wheel sets, the front side and the rear side of the shuttle vehicle fixing frame are each provided with a jacking side plate, the side face of each jacking side plate is connected with a plurality of second walking wheel sets, and the walking directions of the second walking wheel sets and the first walking wheel sets are perpendicular to each other; a jacking reversing assembly is arranged between the shuttle vehicle fixing frame and the two jacking side plates. According to the jacking reversing assembly, power transmission is achieved through a chain wheel and chain structure and a worm and gear structure, the jacking reversing action of the shuttle vehicle is achieved, the jacking reversing assembly is of a pure mechanical structure, the situation that hydraulic oil leaks or low-temperature viscosity is increased cannot happen to the mechanical structure, the jacking reversing assembly can be suitable for the low-temperature environment, and the service life of the shuttle vehicle is prolonged. And meanwhile, the working stability and the working life of the shuttle vehicle are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a shuttle vehicle technical field especially a mechanical type jacking reversing device for shuttle vehicle. BACKGROUND

[0002] The shuttle vehicle is a kind of automatic intelligent transport equipment applied in stereoscopic warehouse.Shuttle vehicle is widely used in warehousing, logistics and manufacturing industry and other fields, can improve work efficiency and cargo handling capacity.Compared with traditional fork truck access, shuttle vehicle can realize full-automatic, intelligent, unmanned operation, and the flexible operation mode of shuttle vehicle multilayer and multivehicle greatly improves the cargo storage capacity, improves the efficiency of warehouse entry and exit.

[0003] At present, the requirement of the frequency of shuttle vehicle goods warehouse entry and exit in various fields is higher and higher.The existing shuttle vehicle usually uses hydraulic system as jacking reversing structure, and oil leakage is easy in operation process, can contaminate goods, and influence oil hydraulic system life.In addition, the shuttle vehicle using hydraulic jacking reversing structure has higher vehicle body height, leads to lower space utilization rate of goods shelf.Hydraulic system also cannot be used in cold store and other low-temperature environment.

[0004] Therefore, we need a mechanical type jacking reversing device for shuttle vehicle, which can not produce hydraulic oil leakage or low-temperature viscosity increase, and can be applied in low-temperature environment. UTILITY MODEL CONTENT

[0005] The present application aims at the shortcomings in the above-mentioned existing production technology, and provides a mechanical type jacking reversing device for shuttle vehicle, which can not produce hydraulic oil leakage or low-temperature viscosity increase, and can be applied in low-temperature environment;At the same time, the vehicle body height of shuttle vehicle is reduced, the layout space is saved more, and the utilization rate of warehouse can be improved.

[0006] The technical scheme adopted by the utility model is as follows:

[0007] The utility model provides a mechanical jacking reversing device for a shuttle vehicle, comprising a shuttle vehicle fixing frame, a plurality of first walking wheel groups are connected to the left and right sides of the shuttle vehicle fixing frame respectively, a jacking side plate is arranged on the front and back sides of the shuttle vehicle fixing frame respectively, a plurality of second walking wheel groups are connected to the side of each jacking side plate, the walking directions of the second walking wheel groups and the first walking wheel groups are perpendicular to each other, a jacking reversing assembly is arranged between the shuttle vehicle fixing frame and the two jacking side plates, the jacking reversing assembly comprises a servo motor, the driving end of the servo motor is connected to a transmission first worm shaft through a chain wheel and chain assembly, one end of the first worm shaft is connected to one end of a second worm shaft through a coupling, the upper part of the worm part of the first worm shaft is engaged with a first worm wheel, the first worm wheel is connected to a first worm wheel shaft, the upper part of the worm part of the second worm shaft is engaged with a second worm wheel, the second worm wheel is connected to a second worm wheel shaft, one end of a jacking cam is connected to the two ends of the first worm wheel shaft and the second worm wheel shaft respectively, the other end of the jacking cam is connected to a rotating connection jacking roller, a long waist-shaped jacking groove is arranged on the front and back parts of each jacking side plate respectively, the jacking roller is located in the jacking groove and can roll along the jacking groove, the first worm wheel shaft and the second worm wheel shaft can drive the jacking cam to rotate when rotating in the positive direction and the reverse direction, so that the jacking side plate is lifted or lowered, and the jacking reversing action of the shuttle vehicle is realized.

[0008] Further, the first walking wheel group comprises first walking main wheels and first walking auxiliary wheels arranged side by side in front and back.

[0009] Further, the second walking wheel group comprises second walking main wheels and second walking auxiliary wheels arranged side by side in front and back, the second walking main wheels are edge wheels, and the second walking auxiliary wheels are edgeless wheels.

[0010] Further, the shuttle vehicle fixing frame comprises a fixed bottom plate, one fixed side plate is connected to the left and right sides of the fixed bottom plate respectively, one jacking mounting plate is connected to the front and back sides of the fixed bottom plate respectively, and the left and right ends of the jacking mounting plate are connected to the end portions of the two fixed side plates.

[0011] Further, the two ends of the jacking mounting plate are detachably connected to the first guide plates through connecting members, one side of the first guide plate is detachably connected to a second guide plate of an L-shaped structure through a connecting member, a guide groove penetrating up and down is formed between the second guide plate and the first guide plate, and the two ends of the jacking side plate are connected to the guide groove and can slide up and down along the guide groove.

[0012] Further, the two ends of the first worm wheel shaft are connected to the two jacking mounting plates through bearings respectively, and the two ends of the second worm wheel shaft are connected to the two jacking mounting plates through bearings respectively.

[0013] Further, the screw thread direction of the worm part on the first worm shaft is opposite to that of the worm part on the second worm shaft, and the rotation directions of the first worm shaft and the second worm shaft are opposite.

[0014] Further, the first worm shaft is connected with the first bearing seat and the third bearing seat through bearings respectively, the second worm shaft is connected with the second bearing seat and the fourth bearing seat through bearings respectively, the first worm wheel shaft is connected with the fifth bearing seat through a bearing, and the second worm wheel shaft is connected with the sixth bearing seat through a bearing.

[0015] Further, the first bearing seat, the second bearing seat, the third bearing seat, the fourth bearing seat, the fifth bearing seat and the sixth bearing seat are all sunken structures.

[0016] Further, the first worm wheel and the second worm wheel are fan-shaped structures, and the lower parts of the first worm wheel and the second worm wheel are provided with worm teeth meshing with the worm parts.

[0017] The utility model discloses the beneficial effects are as follows:

[0018] The jacking reversing assembly of the utility model realizes the transmission of power through the chain wheel and chain structure and the worm wheel and worm structure, realizes the jacking reversing action of the shuttle vehicle, the jacking reversing assembly of the utility model is pure mechanical structure, and the mechanical structure can not produce the conditions of hydraulic oil leakage or low-temperature viscosity increase, can be applicable to low-temperature environment, and also improves the stability and working life of the shuttle vehicle work, the worm wheel of the utility model is a fan-shaped structure, only the lower part of the worm wheel is provided with worm teeth meshing with the worm part, the upper half of the worm wheel is cut off to form an avoiding space, and the design height of the whole shuttle vehicle is reduced, the worm wheel and worm structure of the utility model can realize self-locking, thereby effectively solving the situation that the load may drop, the bearing seat of the utility model adopts a sunken structure, and the vehicle body height can be effectively reduced. ACCURACY OF DRAWINGS

[0019] Figure 1 It is the perspective view of the utility model.

[0020] Figure 2 It is the structure diagram of the jacking reversing assembly of the utility model.

[0021] Figure 3 It is the cooperation structure diagram of the first worm wheel shaft and the jacking cam of the utility model.

[0022] Wherein: 1, fixed side plate; 2, fixed bottom plate; 3, jacking mounting plate; 4, first walking main wheel; 5, first walking auxiliary wheel; 6, second walking main wheel; 7, second walking auxiliary wheel; 8, jacking side plate; 9, first limit baffle; 10, second limit baffle; 11, jacking groove; 12, jacking roller; 13, jacking cam; 14, first guide plate; 15, second guide plate; 16, servo motor; 17, first worm shaft; 18, coupling; 19, second worm shaft; 20, first bearing seat; 21, second bearing seat; 22, third bearing seat; 23, fourth bearing seat; 24, first worm wheel shaft; 25, second worm wheel shaft; 26, first worm wheel; 27, second worm wheel; 28, fifth bearing seat; 29, sixth bearing seat; 30, connecting key; 31, connecting groove. DETAILED DESCRIPTION

[0023] The specific implementation of the present application will be described below in conjunction with the drawings.

[0024] As shown in the drawings, Figure 1 A mechanical jacking reversing device for a shuttle vehicle includes a shuttle vehicle fixing frame, the shuttle vehicle fixing frame is connected with two first walking wheel groups on the left and right sides respectively, and the two first walking wheel groups on each side of the shuttle vehicle fixing frame are connected at the front and rear parts of the shuttle vehicle fixing frame respectively. When working, the shuttle vehicle fixing frame can walk along the preset walking track through the first walking wheel groups on the left and right sides.

[0025] As shown in the drawings, Figure 1 The first walking wheel group includes the first walking main wheel 4 and the first walking auxiliary wheel 5 arranged side by side in front and back, the first walking main wheel 4 is a rimmed wheel, and the first walking auxiliary wheel 5 is a rimless wheel.

[0026] As shown in the drawings, Figure 1 The shuttle vehicle fixing frame is provided with one jacking side plate 8 on the front and rear sides respectively, two second walking wheel groups are connected on the side surface of each jacking side plate 8, and the two second walking wheel groups on the side surface of each jacking side plate 8 are connected at the front and rear parts of the jacking side plate 8 respectively. The walking directions of the second walking wheel groups and the first walking wheel groups are perpendicular to each other,

[0027] As shown in the drawings, Figure 1 The second walking wheel group includes the second walking main wheel 6 and the second walking auxiliary wheel 5 arranged side by side in front and back, the second walking main wheel 6 is a rimmed wheel, and the second walking auxiliary wheel 5 is a rimless wheel.

[0028] When working, the second walking wheel group and the first walking wheel group alternately contact different preset tracks as needed, so as to realize walking in different directions. As shown in the drawings, Figure 1 and Figure 2As shown, the lifting reversing assembly is arranged between the shuttle vehicle fixing frame and the two lifting side plates 8, and can drive the two lifting side plates 8 to change the lifting position relative to the shuttle vehicle fixing frame, so that the first walking wheel set is separated from the preset track, and at the same time, the second walking wheel set contacts the preset track, thereby realizing the walking reversing of the shuttle vehicle.

[0029] As shown in Figure 1 and Figure 2 , the shuttle vehicle fixing frame comprises a fixed bottom plate 2 for connecting the lifting reversing assembly. The fixed bottom plate 2 is connected with a fixed side plate 1 on each of the left and right sides, and the fixed side plate 1 is used for connecting the first walking wheel set. The fixed bottom plate 2 is connected with a lifting mounting plate 3 on each of the front and rear sides, and the lifting mounting plate 3 is connected to the end of the two fixed side plates 1 on each of the left and right ends. The two ends of the lifting mounting plate 3 are detachably connected with the first guide plate 14 through the connecting pieces, one side of the first guide plate 14 is detachably connected with the L-shaped second guide plate 15 through the connecting pieces, and the second guide plate 15 and the first guide plate 14 form a through guide groove in the up-down direction. The two ends of the lifting side plate 8 are connected in the guide groove and can slide up and down along the guide groove.

[0030] As shown in Figure 1 and Figure 2 , the lifting reversing assembly comprises a servo motor 16 fixed at the center position of the fixed bottom plate 2. The driving end of the servo motor 16 is connected with the transmission first worm shaft 17 through the chain wheel and chain assembly. The first worm shaft 17 is connected with the first bearing seat 20 and the third bearing seat 22 through bearings, and the first bearing seat 20 and the third bearing seat 22 are fixed on the fixed bottom plate 2. One end of the first worm shaft 17 is connected with one end of the second worm shaft 19 through the coupling 18. When the servo motor 16 works, it drives the first worm shaft 17 to rotate through the chain wheel and chain assembly, and the first worm shaft 17 drives the second worm shaft 19 to rotate synchronously through the coupling 18.

[0031] As shown in Figure 1 and Figure 2 , the second worm shaft 19 is connected with the second bearing seat 21 and the fourth bearing seat 23 through bearings, and the second bearing seat 21 and the fourth bearing seat 23 are fixed on the fixed bottom plate 2. The upper part of the worm part of the first worm shaft 17 is engaged with the first worm wheel 26, and the first worm wheel 26 is connected with the first worm wheel shaft 24. The first worm shaft 17 drives the first worm wheel shaft 24 to rotate synchronously through the worm and gear structure.

[0032] As shown in Figure 1 and Figure 2As shown, the first worm shaft 24 is connected to the fifth bearing seat 28 through a bearing, and the fifth bearing seat 28 is fixed on the fixed base plate 2. The two ends of the first worm shaft 24 are respectively connected to two jacking installation plates 3 through bearings. The upper part of the worm part of the second worm shaft 19 is meshingly connected to the second worm wheel 27, and the second worm wheel 27 is connected to the second worm shaft 25. The second worm shaft 19 drives the second worm shaft 25 to rotate synchronously through the worm and gear structure. The second worm shaft 25 is connected to the sixth bearing seat 29 through a bearing, and the sixth bearing seat 29 is fixed on the fixed base plate 2. The two ends of the second worm shaft 25 are respectively connected to two jacking installation plates 3 through bearings.

[0033] As shown in Figure 1 and Figure 2 , the two ends of the first worm shaft 24 and the second worm shaft 25 are respectively connected to one end of the jacking cam 13, and the other end of the jacking cam 13 is connected to the rotating connection jacking roller 12. The front and rear parts of each jacking side plate 8 are respectively provided with an oblong jacking groove 11, and the jacking roller 12 is located in the jacking groove 11 and can roll along the jacking groove 11. When the first worm shaft 24 and the second worm shaft 25 rotate forward and backward, the jacking cam 13 can be driven to rotate, so as to lift or lower the jacking side plate 8, thereby realizing the jacking reversing action of the shuttle vehicle.

[0034] As shown in Figure 3 , the two end parts of the first worm shaft 24 and the second worm shaft 25 are provided with two protruding connecting keys 30, and the jacking cam 13 is provided with a wheel shaft mounting hole penetrating front and back. The side wall of the wheel shaft mounting hole is provided with two recessed connecting grooves 31, the two end parts of the first worm shaft 24 and the second worm shaft 25 can be inserted into the wheel shaft mounting hole, and the connecting keys 30 can be inserted into the connecting grooves 31. After assembly is completed, the first worm shaft 24 and the second worm shaft 25 can drive the jacking cam 13 to rotate synchronously.

[0035] As shown in Figure 1 and Figure 2 , the thread rotation direction of the worm part on the first worm shaft 17 is opposite to that of the worm part on the second worm shaft 19, so that the rotation directions of the first worm shaft 24 and the second worm shaft 25 are opposite.

[0036] As shown in Figure 1 and Figure 2 , the first worm wheel 26 and the second worm wheel 27 are fan-shaped structures. The upper half of the first worm wheel 26 and the second worm wheel 27 is cut off to form a avoiding space, thereby reducing the design height of the whole shuttle vehicle.

[0037] As shown in Figure 1 and Figure 2As shown, the first bearing seat 20, the second bearing seat 21, the third bearing seat 22, the fourth bearing seat 23, the fifth bearing seat 28 and the sixth bearing seat 29 are all sunken structures, which can reduce the overall height of the shuttle vehicle.

[0038] The jacking reversing assembly of the utility model realizes the transmission of power through the chain wheel and chain structure and the worm and gear structure, realizes the jacking reversing action of the shuttle vehicle, the jacking reversing assembly of the utility model is a pure mechanical structure, the mechanical structure will not produce the conditions of hydraulic oil leakage or low temperature viscosity increase, can be applicable to low temperature environment, simultaneously still improved the stability and working life of shuttle vehicle work, the worm of the utility model is a fan-shaped structure, the worm only has the worm gear tooth of lower part that is engaged with the worm part, the upper half of the worm is cut off to form the avoiding space, reduces the design height of the overall shuttle vehicle, the worm and gear structure of the utility model can realize self-locking, thereby effectively solves the situation that the load may appear to fall; the bearing seat of the utility model all adopts the sunken structure, can effectively reduce the height of the vehicle body.

[0039] The above description is the explanation of the utility model, is not the limitation of the utility model, the range defined by the utility model refers to the claims, within the protection scope of the utility model, can make any form of modification.

Claims

1. A mechanical lifting and reversing device for a shuttle car, comprising a shuttle car mounting frame, characterized in that: The shuttle car frame is connected to multiple first traveling wheel sets on its left and right sides respectively. A lifting side plate (8) is set on the front and rear sides of the shuttle car frame respectively. Multiple second traveling wheel sets are connected to the side of each lifting side plate (8). The traveling directions of the second traveling wheel sets and the first traveling wheel sets are perpendicular to each other. A lifting reversing assembly is set between the shuttle car frame and the two lifting side plates (8). The lifting reversing assembly includes a servo motor (16). The drive end of the servo motor (16) is connected to the first worm shaft (17) through a sprocket and chain assembly. One end of the first worm shaft (17) is connected to one end of the second worm shaft (19) through a coupling (18). The upper part of the worm part of the first worm shaft (17) is meshed with a first worm wheel (26). The first worm wheel (26) is connected to the first worm wheel shaft (24). The second worm... The upper part of the worm gear of the shaft (19) is meshed with the second worm wheel (27), which is connected to the second worm wheel shaft (25). The first worm wheel shaft (24) and the second worm wheel shaft (25) are respectively connected to one end of a lifting cam (13). The other end of the lifting cam (13) is connected to a rotating lifting roller (12). Each lifting side plate (8) has a long waist-shaped lifting groove (11) in front and back. The lifting roller (12) is located in the lifting groove (11) and can roll along the lifting groove (11). When the first worm wheel shaft (24) and the second worm wheel shaft (25) rotate in opposite directions, they can drive the lifting cam (13) to rotate, thereby lifting or lowering the lifting side plate (8) and realizing the lifting and reversing action of the shuttle.

2. The mechanical lifting and reversing device for a shuttle car as described in claim 1, characterized in that: The first traveling wheel set includes a first traveling main wheel (4) and a first traveling auxiliary wheel (5) arranged side by side. The first traveling main wheel (4) is a wheel with a side, and the first traveling auxiliary wheel (5) is a wheel without a side.

3. The mechanical lifting and reversing device for a shuttle car as described in claim 1, characterized in that: The second traveling wheel set includes a second traveling main wheel (6) and a second traveling auxiliary wheel (7) arranged side by side. The second traveling main wheel (6) is a wheel with a side, and the second traveling auxiliary wheel (7) is a wheel without a side.

4. A mechanical lifting and reversing device for a shuttle car as described in claim 1, characterized in that: The shuttle car mounting frame includes a fixed base plate (2), a fixed side plate (1) is connected to the left and right sides of the fixed base plate (2), and a lifting mounting plate (3) is connected to the front and rear sides of the fixed base plate (2). The left and right ends of the lifting mounting plate (3) are connected to the ends of the two fixed side plates (1).

5. A mechanical lifting and reversing device for a shuttle car as described in claim 4, characterized in that: The lifting mounting plate (3) is detachably connected to the first guide plate (14) at both ends by connectors. The first guide plate (14) is detachably connected to the second guide plate (15) of the L-shaped structure on one side by connectors. A guide groove is formed between the second guide plate (15) and the first guide plate (14) and the lifting side plate (8) is connected to the guide groove at both ends and can slide up and down along the guide groove.

6. A mechanical lifting and reversing device for a shuttle car as described in claim 5, characterized in that: The first worm gear shaft (24) is connected to two lifting mounting plates (3) at both ends by bearings, and the second worm gear shaft (25) is connected to two lifting mounting plates (3) at both ends by bearings.

7. A mechanical lifting and reversing device for a shuttle car as described in claim 1, characterized in that: The worm thread on the first worm shaft (17) has the opposite direction of rotation to the worm thread on the second worm shaft (19), and the rotation directions of the first worm wheel shaft (24) and the second worm wheel shaft (25) are opposite.

8. A mechanical lifting and reversing device for a shuttle car as described in claim 7, characterized in that: The first worm shaft (17) is connected to the first bearing seat (20) and the third bearing seat (22) respectively through bearings. The second worm shaft (19) is connected to the second bearing seat (21) and the fourth bearing seat (23) respectively through bearings. The first worm wheel shaft (24) is connected to the fifth bearing seat (28) through bearings. The second worm wheel shaft (25) is connected to the sixth bearing seat (29) through bearings.

9. A mechanical lifting and reversing device for a shuttle car as described in claim 8, characterized in that: The first bearing housing (20), the second bearing housing (21), the third bearing housing (22), the fourth bearing housing (23), the fifth bearing housing (28) and the sixth bearing housing (29) are all recessed structures.

10. A mechanical lifting and reversing device for a shuttle car as described in claim 1, characterized in that: The first worm gear (26) and the second worm gear (27) are fan-shaped structures, and the lower part of the first worm gear (26) and the second worm gear (27) have worm gear teeth that mesh with the worm shaft.

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