CN218908736U

CN218908736U - Rail guided vehicle

Info

Publication number: CN218908736U
Application number: CN202222868325.4U
Authority: CN
Inventors: 张俊峰; 阚恬; 余寿朋
Original assignee: Shenzhen Constant Temperature Precision Control Intelligent Equipment Co ltd
Current assignee: Shenzhen Constant Temperature Precision Control Intelligent Equipment Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-04-25
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses a rail guidance vehicle which comprises a driving box, wherein the top of the driving box is fixedly connected with a trolley floor, a three-phase asynchronous motor is fixedly connected to the center of the bottom of the trolley floor, a distance measuring instrument is arranged on the left side of the bottom of the trolley floor and on the left side of the three-phase asynchronous motor, the front end of the driving box is movably connected with a driving shaft through a driving shaft mounting seat, the back end of the driving shaft is in transmission connection with the output end of the three-phase asynchronous motor, and a travelling wheel is fixedly sleeved in the driving shaft and positioned in the driving box. According to the utility model, the three-phase asynchronous motor drives the driving shaft to rotate, the driving shaft rotates to drive the travelling wheels to rotate, the travelling wheels rotate to drive the trolley floor to move in cooperation with the rails, and the driving box keeps stable mechanical movement in cooperation with the travelling wheels through the tight fitting of the limiting wheels to the rails, so that the existing RGV trolley is replaced for heavy load goods, and the working stability of the RGV trolley is improved.

Description

Rail guided vehicle

Technical Field

The utility model relates to the technical field of RGV trolleys, in particular to a rail guidance vehicle.

Background

The rail guidance vehicle is mainly used for material conveying, workshop assembly and the like, can be divided into an annular rail type RGV system and a linear reciprocating type RGV system according to a movement mode, has high efficiency, can work simultaneously with multiple vehicles, and generally adopts an aluminum alloy rail. Linear reciprocating typically an RGV system includes a reciprocating RGV. Currently, RGV carts are required for distribution and assembly in the workshops. However, the existing RGV trolley is used for heavy load and is easy to incline and shake in the moving process, and the working stability of the RGV trolley is reduced.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model aims to provide a rail guided vehicle which has the advantage of good stabilizing effect and solves the problem that the existing RGV trolley is used for heavy load and is easy to tilt and shake in the moving process.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a rail guided vehicle comprising a running gear for sliding mounting on a track mechanism, the running gear for loading cargo, the running gear comprising: the automatic transmission device comprises a driving box, a driven box, a trolley floor, a three-phase asynchronous motor, a driving shaft mounting seat, a driving shaft, travelling wheels, a limiting wheel mounting seat, limiting wheels and a locknut, wherein the top of the driving box is fixedly connected with the trolley floor together with the top of the driven box, the three-phase asynchronous motor is fixedly connected to the center of the bottom of the trolley floor, the driving shaft is movably connected to the front end of the driving box through the driving shaft mounting seat, the back end of the driving shaft is in transmission connection with the output end of the three-phase asynchronous motor, and the travelling wheels are fixedly sleeved in the driving shaft and the driving box.

In one embodiment, the rail guided vehicle further comprises: the track mechanism comprises a track, the bottom of the driving box is provided with the track, the track is contacted with the bottom of the travelling wheel, the left side and the right side of the bottom of the front end of the driving box are fixedly connected with a limiting wheel mounting seat, the bottom of the limiting wheel mounting seat is movably connected with a limiting wheel, and one side of the limiting wheel is contacted with one side of the track.

In one embodiment, the left side and the right side of the bottom of the track are provided with steel frames.

In one embodiment, the front end and the back end of the steel frame are fixed by supporting screws.

In one embodiment, the travelling wheels are in transmission connection with the driving shaft through a three-phase asynchronous motor, and the travelling wheels are matched with the track for use.

In one embodiment, a bar code strip is arranged on the inner side of the track, a code reader is arranged on one side, close to the bar code strip, of the driven box, and the code reader is matched with the bar code strip for use.

In one embodiment, the code reader is mounted and fixed on the side wall of the driven box.

In one embodiment, one side of the limiting wheel is in contact with one side of the rail, and the limiting wheel is matched with the rail for use.

In one embodiment, the output end of the three-phase asynchronous motor is in transmission connection with the driving shaft, and the three-phase asynchronous motor is matched with the driving shaft for use.

In one embodiment, the top of the limiting wheel is connected with a locknut, and the locknut is abutted with the top of the limiting wheel mounting seat.

In one embodiment, the left side and the right side of the surface of the trolley floor, which is opposite to the track, are respectively provided with a lifting block, and the lifting blocks are used for lifting the heights of the two sides of the surface of the trolley floor.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the three-phase asynchronous motor drives the driving shaft to rotate, the driving shaft rotates to drive the travelling wheels to rotate, the travelling wheels rotate to drive the trolley floor to move in cooperation with the rails, the driving box is tightly attached to the rails through the limiting wheels to keep mechanical movement stable when the driving box is matched with the travelling wheels to move, and the conventional RGV trolley is replaced by being used for heavy load and easy to tilt and shake in the moving process, so that the working stability of the RGV trolley is improved.

2. The utility model can assist the track to work through the arrangement of the steel frame, plays a role in damping at the same time, and avoids the phenomenon of vibration when the travelling wheels pass through the track.

Drawings

FIG. 1 is a schematic illustration of a configuration of a rail guided vehicle in one embodiment;

FIG. 2 is an enlarged schematic view of the portion A of the embodiment shown in FIG. 1;

FIG. 3 is a schematic illustration of the disassembled structure of the embodiment of FIG. 1;

FIG. 4 is an enlarged schematic view of the portion B of the embodiment shown in FIG. 3;

FIG. 5 is a schematic diagram of the structure of a flywheel housing in one embodiment;

fig. 6 is a schematic structural view of a driven wheel box in one embodiment.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below. In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, rotatably connected, i.e., rotatable or integrally formed therewith; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

As shown in fig. 1 to 6, the present utility model provides a rail guided vehicle including a running gear 100, the running gear 100 being for sliding mounting on a rail mechanism 110, the running gear being for loading goods, the running gear comprising: the driving box 1, the driven box 101, the dolly floor 2, the three-phase asynchronous motor 3, the drive shaft mount pad 5, the driving shaft 6, walking wheel 7, spacing wheel mount pad 9, spacing wheel 10 and locknut 11, the top of driving box 1 and the top of driven box 101 are fixedly connected with dolly floor 2 jointly, dolly floor 2 is located the top of driving box 1 and driven box 101, the center department fixedly connected with three-phase asynchronous motor 3 in dolly floor 2 bottom, the front end of driving box 1 is through drive shaft mount pad 5 swing joint has driving shaft 6, the back end and the output transmission of three-phase asynchronous motor 3 of driving shaft 6 are connected, driving shaft 6 just is located the inside fixed walking wheel 7 that cup joints of driving box 1, track mechanism includes track 8, the bottom of driving box 1 is provided with track 8, that is to say, track 8 sets up in the bottom of driving box 1, track 8 and the bottom contact of walking wheel 7, the left side and the right side of driving box 1 front end bottom all are fixedly connected with spacing wheel mount pad 9, the bottom swing joint of spacing wheel mount pad 9 has spacing wheel 10, one side of spacing wheel 10 contacts with one side of track 8.

Preferably, the travelling mechanism further comprises a distance measuring instrument 4, and the distance measuring instrument 4 is arranged on the left side of the bottom of the trolley floor 2 and on the left side of the three-phase asynchronous motor 3. Preferably, the distance measuring instrument 4 is an infrared distance measuring instrument. In this way, the distance between the travelling mechanism and the obstacle or the end point in front can be measured by the distance measuring instrument 4, so that a braking scheme can be conveniently made in time, and the vehicle is braked in advance.

Further, as shown in fig. 1 to 6, the present utility model also provides a rail guided vehicle 50, the rail guided vehicle 50 may also be understood as a rail guided vehicle system, the rail guided vehicle 50 includes a running gear 100 and a track mechanism 110, the running gear is slidably mounted on the track mechanism, the running gear is used for loading goods, and the running gear includes: the automatic transmission device comprises a driving box 1, a driven box 101, a trolley floor 2, a three-phase asynchronous motor 3, a distance measuring instrument 4, a driving shaft mounting seat 5, a driving shaft 6, a travelling wheel 7, a limiting wheel mounting seat 9, limiting wheels 10 and a locknut 11, wherein the trolley floor 2 is fixedly connected to the top of the driving box 1 and the top of the driven box 101 together, the trolley floor 2 is located above the driving box 1 and the driven box 101, the three-phase asynchronous motor 3 is fixedly connected to the center of the bottom of the trolley floor 2, the distance measuring instrument 4 is arranged on the left side of the bottom of the trolley floor 2 and on the left side of the three-phase asynchronous motor 3, the front end of the driving box 1 is movably connected with the driving shaft 6 through the driving shaft mounting seat 5, the back end of the driving shaft 6 is in transmission connection with the output end of the three-phase asynchronous motor 3, the travelling wheel 7 is fixedly sleeved inside the driving shaft 6 and located in the driving box 1, the rail mechanism comprises a rail 8, that is arranged at the bottom of the driving box 1, that is in contact with the bottom of the travelling wheel 7, the rail 8 is in contact with the bottom of the travelling wheel 8, the left side and the right side of the bottom of the front end of the driving box 1 is fixedly connected with the limiting wheels 9, and the limiting wheels 10 are in contact with one side of the limiting wheels 9.

Further, the top of the limiting wheel 10 is connected with a locknut 11, and the locknut 11 is abutted with the top of the limiting wheel mounting seat 9. Specifically, the limiting wheel 10 is composed of a wheel and a shaft, the wheel is rotatable relative to the shaft, the wheel is in contact with one side of the rail 8, the shaft passes through the through hole of the limiting wheel mounting seat 9 and then is fixedly connected with the locknut 11, and the locknut 11 prevents the shaft from being separated from the limiting wheel mounting seat 9. It will be appreciated that the outer diameter of the portion of the shaft passing through the through hole of the spacing wheel mounting seat 9 is smaller, that is, the outer diameter of the portion of the shaft passing through the through hole of the spacing wheel mounting seat 9 is smaller than the other portions of the shaft, so that the shaft can be fixed on the spacing wheel mounting seat 9 together with the locknut 11 after passing through the through hole of the spacing wheel mounting seat 9.

Further, the left and right sides of the surface of the trolley floor 2 facing away from the rail 8 are respectively provided with a lifting block 15, and the lifting blocks 15 are used for lifting the height of the two sides of the surface of the trolley floor 2, so that when goods are placed on the trolley floor 2, the bottoms of the goods are contacted with the lifting blocks 15 on the two sides, and the fork of the forklift is convenient to leave the goods, so that the goods are convenient to place and transport. Preferably, the method comprises the steps of,

referring to fig. 1, steel frames 12 are provided at left and right sides of the bottom of the rail 8, and front and back ends of the steel frames 12 are fixed by supporting screws.

The scheme is adopted: through the setting of steelframe 12, can assist track 8 to work, play the absorbing effect simultaneously, avoid walking wheel 7 to appear the phenomenon of vibration when passing through track 8.

Referring to fig. 2, a travelling wheel 7 is in transmission connection with a driving shaft 6 through a three-phase asynchronous motor 3, and the travelling wheel 7 is matched with a track 8 for use.

The scheme is adopted: through the arrangement of the travelling wheels 7, the three-phase asynchronous motor 3 and the driving shaft 6, the three-phase asynchronous motor can move, and the phenomenon that the transmission power of the three-phase asynchronous motor 3 is lost is avoided.

Referring to fig. 1, a bar code strip 13 is provided on the inner side of the track 8, a code reader 14 is provided on the side of the driven case 101 close to the bar code strip 13, and the code reader 14 is used in cooperation with the bar code strip 13. Further, the code reader 14 is mounted and fixed to a side wall of the driven case 101. Attached to the rail 8 along the length of the rail 8 is a bar code strip 13, the bar code strip 13 being used to show the movement area of the rail guided vehicle in the rail 8. Thus, the scheme is adopted: through the setting of bar code area 13 and code reader 14, can assist track 8 to work, play the effect of assistance in positioning simultaneously, avoided mechanical movement to surpass the work area and cause the damage.

Referring to fig. 2, one side of the limit wheel 10 contacts one side of the rail 8, and the limit wheel 10 is used in cooperation with the rail 8. It can be appreciated that the above scheme is adopted: through the setting of spacing wheel 10, can assist track 8 to work, play the effect of location simultaneously, avoided walking wheel 7 to appear the phenomenon of skew at the in-process that removes too fast.

Referring to fig. 3, an output end of the three-phase asynchronous motor 3 is in transmission connection with a driving shaft 6, and the three-phase asynchronous motor 3 is matched with the driving shaft 6. It can be appreciated that the above scheme is adopted: through the setting of three-phase asynchronous motor 3 and driving shaft 6, can carry out mechanical power transmission, avoided three-phase asynchronous motor 3 to appear the effect that power reduces in the in-process of work.

As shown in fig. 4 and 6, in one embodiment, the driven case 101 is provided with a driven shaft mounting seat 51, the driven shaft 61 is mounted on the driven shaft mounting seat 51, the driven shaft 61 is rotatably sleeved with a driven wheel 71, that is, the driven wheel 71 is arranged in the driven case 101 and sleeved on the driven shaft 61, the left side and the right side of the bottom of the front end of the driven case 101 are fixedly connected with a limiting wheel connecting seat 91, the bottom of the limiting wheel connecting seat 91 is movably connected with a limiting wheel second 102, and one side of the limiting wheel second 102 is contacted with one side of the track 8. Further, a second locknut 111 is connected to the top of the second limiting wheel 102, and the second locknut 111 abuts against the top of the limiting wheel connecting seat 91. The code reader 14 is fixed to the side wall of the driven case 101 by screw mounting.

It will be appreciated that the driving case 1, the three-phase asynchronous motor 3, the driving shaft mounting seat 5, the driving shaft 6, the travelling wheel 7, the limiting wheel mounting seat 9, the limiting wheel 10, the locknut 11 and the like constitute a driving wheel case driven by the three-phase asynchronous motor 3, and the driven case 101, the driven shaft mounting seat 51, the driven shaft 61, the driven wheel 71, the limiting wheel connecting seat 91, the limiting wheel two 102, the locknut two 111 and the like constitute a driven wheel case driven by passive driving. So, through the mutually supporting setting of driving wheel case and driven wheel case, can make RGV dolly more stable in load goods in-process.

The working principle and the using flow of the utility model are as follows: when the automatic lifting device is used, cargoes are lifted on the surface of the trolley floor 2, then the three-phase asynchronous motor 3 is started, the output end of the three-phase asynchronous motor 3 rotates to drive the driving shaft 6 to rotate, the driving shaft 6 rotates to drive the travelling wheel 7 to rotate, the travelling wheel 7 is rotationally matched with the track 8 to move forwards, the travelling wheel 7 moves to drive the driving box 1 to move, the driving box 1 moves to drive the limiting wheel 10 to follow the movement, the limiting wheel 10 is matched with the track 8 to enable the limiting wheel 10 to move stably, and finally the barcode strip 13 on one side of the track 8 is matched with the code reader 14 to read the barcode strip 4 to avoid collision during movement, so that the effect of moving stability is achieved.

To sum up: this rail guidance vehicle uses through initiative case 1, dolly floor 2, three-phase asynchronous motor 3, range unit 4, drive shaft mount pad 5, driving shaft 6, walking wheel 7, track 8, spacing wheel mount pad 9, spacing wheel 10 and locknut 11 cooperation, has solved the current RGV dolly and has been used for the heavy easy problem that the slope rocked that appears moving in-process of load goods unbalance weight.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The utility model provides a rail guidance vehicle, includes running gear, running gear is used for slidable mounting on rail set, and running gear is used for loading goods, its characterized in that: the running gear includes: the automatic transmission device comprises a driving box, a driven box, a trolley floor, a three-phase asynchronous motor, a driving shaft mounting seat, a driving shaft, travelling wheels, a limiting wheel mounting seat, limiting wheels and a locknut, wherein the top of the driving box is fixedly connected with the trolley floor together with the top of the driven box, the three-phase asynchronous motor is fixedly connected to the center of the bottom of the trolley floor, the driving shaft is movably connected to the front end of the driving box through the driving shaft mounting seat, the back end of the driving shaft is in transmission connection with the output end of the three-phase asynchronous motor, and the travelling wheels are fixedly sleeved in the driving shaft and the inside of the driving box.

2. The rail guided vehicle of claim 1, wherein: the rail guided vehicle further includes: the track mechanism comprises a track, the bottom of the driving box is provided with the track, the track is contacted with the bottom of the travelling wheel, the left side and the right side of the bottom of the front end of the driving box are fixedly connected with a limiting wheel mounting seat, the bottom of the limiting wheel mounting seat is movably connected with a limiting wheel, and one side of the limiting wheel is contacted with one side of the track.

3. The rail guided vehicle of claim 2, wherein: the left side and the right side of track bottom all are provided with the steelframe, the front end and the back end of steelframe are all fixed through supporting screw.

4. The rail guided vehicle of claim 2, wherein: the travelling wheels are in transmission connection with the driving shaft through the three-phase asynchronous motor, and the travelling wheels are matched with the rails for use.

5. The rail guided vehicle of claim 2, wherein: the inside of the track is provided with a bar code belt, one side of the driven box, which is close to the bar code belt, is provided with a code reader, and the code reader is matched with the bar code belt for use.

6. The rail guided vehicle of claim 5, wherein: the code reader is fixedly arranged on the side wall of the driven box.

7. The rail guided vehicle of claim 2, wherein: one side of the limiting wheel is contacted with one side of the rail, and the limiting wheel is matched with the rail for use.

8. The rail guided vehicle of claim 2, wherein: the output end of the three-phase asynchronous motor is in transmission connection with the driving shaft, and the three-phase asynchronous motor is matched with the driving shaft for use.

9. The rail guided vehicle of claim 2, wherein: the top of spacing wheel is connected with locknut, locknut with the top butt of spacing wheel mount pad.

10. The rail guided vehicle of claim 2, wherein: the left side and the right side of the surface of the trolley floor, which is opposite to the track, are respectively provided with a lifting block, and the lifting blocks are used for lifting the heights of the two sides of the surface of the trolley floor.