CN210621350U

CN210621350U - Portable guide rail device for automatic trolley

Info

Publication number: CN210621350U
Application number: CN201921507044.8U
Authority: CN
Inventors: 李小强
Original assignee: Nanjing Huarong Intelligent Technology Co ltd
Current assignee: Nanjing Huarong Intelligent Technology Co ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-05-26
Anticipated expiration: 2029-09-10

Abstract

The utility model provides an automatic change dolly and use portable guide rail device, relate to industrial automation equipment technical field, including the guide rail base, be provided with the guide rail on the top surface of guide rail base, the top surface and the bottom surface of guide rail are the rectangle form, connect the rail groove before being provided with respectively on the face of the front and back both ends of guide rail and connect the rail groove after, preceding connect the rail inslot activity to be provided with to connect the rail device, the left and right sides face of guide rail is V shape structure, the activity is provided with the slider on the top surface of guide rail, the slider is the rectangle platelike structure, be provided with the gear shaft mounting hole on the top surface of slider, all be provided with a plurality of gyro wheel devices on the both ends of slider bottom surface, gyro wheel device respectively with the left and right sides face. The utility model has the advantages of light in weight, the dismouting of being convenient for, and conveniently connect between a plurality of guide rails and increase the working area.

Description

Portable guide rail device for automatic trolley

Technical Field

The utility model relates to an industrial automation equipment technical field, concretely relates to change portable guide rail device for dolly.

Background

In industrial automation field application, particularly on an automatic production line, the automatic trolley is mostly adopted to replace manpower for material transportation, and the tracks of the most conventional automatic trolleys are laid according to the range of the conventional field and are not easy to disassemble, assemble and move; at present most guide rails all have the location effect poor, produce shortcoming such as offset easily when the operation, and most guide rails all use the steel material preparation to form, and whole weight is heavier, is not convenient for carry, transport and dismantlement.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an automatic portable guide rail device for dolly that has light in weight, the dismouting of being convenient for, and conveniently connects increase area of operation through between a plurality of guide rails.

In order to solve the technical problem, the utility model provides a portable guide rail device for an automatic trolley, which comprises a guide rail base, wherein a guide rail is arranged on the top surface of the guide rail base, the top surface and the bottom surface of the guide rail are both rectangular, a front rail connecting groove and a rear rail connecting groove are respectively arranged on the front end surface and the rear end surface of the guide rail, a rail connecting device is movably arranged in the front rail connecting groove, the left side surface and the right side surface of the guide rail are both V-shaped structures, a slide block is movably arranged on the top surface of the guide rail and is of a rectangular plate structure, a gear shaft mounting hole is arranged on the top surface of the slide block, a plurality of roller devices are respectively arranged on the two ends of the bottom surface of the slide block, the roller devices are respectively contacted with the left side surface and the right side surface of the guide rail, a plurality of rack mounting holes are also arranged on the top surface of the guide rail, the left open groove and the right open groove are respectively positioned on two sides of a central line where the circle center of the rack mounting hole is located, the left open groove and the right open groove are distributed along the central line at the circle center of the rack mounting hole in the length direction of the central line at the circle center of the rack mounting hole in the equidistance mode, the two adjacent left open grooves are formed in the top surface of the guide rail, the guide rail mounting hole is formed between the two adjacent right open grooves, mounting support rods are arranged in the guide rail mounting hole, the guide rail is connected with the guide rail base through the mounting support rods, two slide rails are further arranged on the top surface of the guide rail, the two slide rails are respectively positioned on the edges of the left side and the right side of the top surface of the guide rail, guide plates.

Preferably, the rail connecting device comprises a connecting rail, one end of the connecting rail is positioned in a front rail connecting groove, a buffer column is arranged on the side wall of the other end of the connecting rail, a plurality of main positioning holes are arranged on the top surface of one end of the connecting rail, a plurality of auxiliary positioning holes are arranged on the top surface of the other end of the connecting block, a plurality of first bolt holes and a plurality of second bolt holes are respectively arranged at two ends of the top surface of the guide rail, the first bolt holes are communicated with the front rail connecting groove, the second bolt holes are communicated with a rear rail connecting groove, the number of the positioning holes, the number of the auxiliary positioning holes, the number of the first bolt holes and the number of the second bolt holes are two, the main positioning holes, the auxiliary positioning holes, the first bolt holes and the second bolt holes are internally threaded holes with the same diameter, the first bolts and the second bolts are respectively arranged in the first bolt holes and the second bolt holes, the hole distances between the two main, and the positions of the main positioning hole and the auxiliary positioning hole correspond to the positions of the first bolt hole and the second bolt hole, the two ends of the connecting rail are respectively positioned in the front rail connecting groove and the rear rail connecting groove on the two adjacent guide rails, and then the first bolt sequentially penetrates through the first bolt hole and the main positioning hole, and the second bolt sequentially penetrates through the second bolt hole and the auxiliary positioning hole, so that the two adjacent guide rails can be spliced, and the operation area is increased.

Preferably, the slide rail comprises a slide groove and a guide slide rod, the slide groove and the guide slide rod are sequentially arranged on the top surface of the guide rail in parallel, the slide groove, the guide slide rod and the guide rail are the same in length, the slide groove is of a groove-shaped structure, the guide slide rod is positioned close to the edge of the top surface of the guide rail, the cross section of the guide slide rod is in a right-angle fan shape, one right-angle edge of the guide slide rod is positioned on the top surface of the guide rail, the other right-angle edge of the guide slide rod is perpendicular to the top surface of the guide rail, the guide plate comprises a slide plate and a slide shaft, the slide plate and the slide shaft are sequentially arranged on the bottom surface of the slide block in parallel, the length direction of the slide shaft is the same as that of the guide rail, the slide plate is in a rectangular plate shape, one end of the slide plate is fixedly arranged on the bottom surface of the slide block, the, when the slide block slides on the top surface of the guide rail, the slide plate can play a role in guiding in the slide groove; on the other hand, the position stability can be kept when the sliding device slides on the guide rail, and the sliding device is not easy to skew; the other end of the sliding shaft is of a semi-arc structure, and can be in contact with the guide sliding rod, so that the guide rail can slide smoothly.

Preferably, the buffering post is including adjusting the pole, and the one end of adjusting the pole is provided with the buffering piece, and the other end activity of adjusting the pole is passed the lateral wall of connecting the rail other end to be connected in the rail, and the outside of adjusting the pole still overlaps and is equipped with the spring, and the both ends of spring are fixed respectively and are set up on the lateral wall of the buffering piece and the connection rail other end for two adjacent guide rails are when splicing, adjust the pole and can play the cushioning effect.

Preferably, the size and the shape of preceding connecing the rail groove and connecing the rail groove after with all the same, connect the size and the shape of rail all with preceding connecing the size and the shape phase-match in rail groove, and the length that connects the rail groove before just is greater than the length of connecting the rail, when being convenient for splice two adjacent guide rails, connect the both ends of rail and can be located the preceding rail groove that connects of two adjacent guide rails respectively and connect the rail inslot after with for the laminating is inseparable when splicing between two adjacent guide rails.

Preferably, the roller device comprises an upper circular table body, a middle cylinder, a lower circular table body, a fixing shaft and a bearing, wherein a plurality of step holes are further formed in the sliding block, each step hole is of a through hole-shaped structure, the positions of the step holes correspond to the positions of the roller device up and down, one end of the fixing shaft is of a step shaft-shaped structure, one end of the fixing shaft penetrates through the step holes, one end of the fixing shaft is movably sleeved with a nut, the bearing is sleeved outside the other end of the fixing shaft, the upper circular table body, the middle cylinder and the lower circular table body are sequentially and fixedly arranged outside the bearing from top to bottom, the small diameter end of the upper circular table body and the small diameter end of the lower circular table body are respectively arranged on two circular bottom surfaces of the middle cylinder, the upper circular table body, the middle cylinder body and the lower circular table body are of an integrally formed structure, and the small diameter ends of the upper circular table body, the lower circular table body and the, and the side surfaces of the upper round table body and the lower round table body are respectively contacted with the outer wall of the V-shaped opening of the guide rail, one end of the fixed shaft penetrates through the step hole, and then the nut is screwed on one end of the fixed shaft, so that the fixed shaft can be fixed in the step hole.

Preferably, the top surface of the sliding block is also provided with an arc-shaped groove, the sliding blocks at two ends of the arc-shaped opening of the arc-shaped groove are also provided with a plurality of mounting holes, and the gear shaft mounting holes are positioned on the top surface of the sliding block at one end of the arc-shaped opening of the arc-shaped groove, the automatic trolley can be arranged on the top surface of the sliding block through the mounting hole, when the automatic trolley is arranged, soft anti-skid materials such as rubber pads and the like can be placed in the arc-shaped groove, so as to increase the firmness of the mounted automatic trolley, fix the speed reducer on the automatic trolley on the top surface of the sliding block, and a gear shaft on the output shaft of the speed reducer is arranged in the gear shaft mounting hole, a gear on the gear shaft is meshed with a rack arranged on the rack mounting hole, the motor on the automatic trolley is decelerated through the speed reducer to drive the gear shaft to rotate, so that the automatic trolley can be driven to travel on the guide rail along the length direction of the rack.

Preferably, the guide rail bracket mounting hole is a stepped hole, one end of the mounting support rod is matched with the guide rail bracket mounting hole in shape and size, one end of the mounting support rod is positioned in the guide rail bracket mounting hole, the other end of the mounting support rod is fixedly arranged on the top surface of the guide rail base, support columns are also vertically arranged at two ends of the top surface of the guide rail base, one end of each support column is fixedly arranged on the top surface of the guide rail base, and the other end of each support column is in contact with the bottom surface of the guide rail, so that the guide rail and the guide rail base are easy to disassemble and assemble, and convenient to move; the support column can support after the guide rail installation, improves stability.

Preferably, the left slot and the right slot have the same shape, and the size of the left slot is smaller than that of the right slot, and the center line of the circle center of the rack mounting hole is parallel to the center line of the top surface of the guide rail, so that the left slot and the right slot are arranged, and the overall weight is favorably reduced; on the other hand, the rack mounting hole is not arranged on the central line of the top surface of the guide rail, so that after the rack is mounted on the rack mounting hole and the automatic trolley is mounted on the top surface of the sliding block, the balance degree of the weights of the left side and the right side of the guide rail is favorably improved, and the automatic trolley can smoothly walk on the guide rail.

The utility model has the advantages that:

(1) the splicing of two or more portable guide rail devices for the automatic trolley can be completed through the rail connecting device, the operation is convenient, and the operation area is increased;

(2) the left slot and the right slot are asymmetrically arranged on the central line position of the top surface of the guide rail, so that the overall weight is favorably reduced; on the other hand, the rack mounting hole is not positioned on the center line of the top surface of the guide rail, so that after the rack is mounted on the rack mounting hole and the automatic trolley is mounted on the top surface of the sliding block, the balance degree of the weights of the left side and the right side of the guide rail is favorably improved, and the automatic trolley can smoothly walk on the guide rail;

(3) the guide rail is connected with the guide rail base through the mounting support rod, so that the guide rail and the guide rail base are convenient to carry, carry and disassemble, and the guide rail base are convenient to integrally carry, move and transport.

Drawings

The accompanying drawings are included to provide a preferred understanding of the present invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the portable guide rail device for the automatic trolley of the present invention;

FIG. 2 is a schematic structural view of a roller device of the portable rail device for an automated trolley according to the present invention;

FIG. 3 is a schematic view of the position of the guide plate of the portable rail device for an automated trolley according to the present invention;

FIG. 4 is a schematic view of a buffer column structure of the portable rail device for an automated trolley according to the present invention;

FIG. 5 is a schematic diagram of the position of the front rail groove of the portable rail device for the automatic trolley of the present invention;

fig. 6 is a schematic diagram of the position of the rear rail connecting groove of the portable rail device for the automatic trolley of the utility model;

FIG. 7 is a schematic view of the position of the mounting support bar of the portable rail apparatus for an automated guided vehicle according to the present invention;

FIG. 8 is a schematic view of the position of the step hole of the portable rail device for an automated trolley according to the present invention;

FIG. 9 is a schematic structural view of a roller device of the portable rail device for an automated cart according to the present invention;

FIG. 10 is a schematic structural view of two portable rail devices for an automated trolley after being spliced;

the reference signs are: 1. a guide rail base; 2. a guide rail; 21. a front rail connecting groove; 22. a rear rail connecting groove; 23. a rail connecting device; 231. connecting rails; 232. a main positioning hole; 233. a secondary positioning hole; 234. a first bolt hole; 235. a second bolt hole; 236. a first bolt; 237. a second bolt; 24. a rack mounting hole; 25. a guide rail bracket mounting hole; 26. mounting a support rod; 3. a slider; 31. a roller device; 311. an upper round table body; 312. a middle cylinder; 313. a lower circular truncated cone; 314. a fixed shaft; 315. a bearing; 316. a stepped bore; 317. a nut; 4. a buffer column; 41. adjusting a rod; 42. a buffer sheet; 43. a spring; 5. slotting on the left; 51. a right slot is formed; 6. a slide rail; 61. a chute; 62. a guide slide bar; 7. a guide plate; 71. a slide plate; 72. a slide shaft; 8. a gear shaft mounting hole; 81. an arc-shaped groove; 82. mounting holes; 9. and (4) a support column.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1-10, the portable rail device for an automatic trolley of this embodiment includes a rail base 1, a rail 2 is disposed on the top surface of the rail base 1, the top surface and the bottom surface of the rail 2 are rectangular, a front rail receiving groove 21 and a rear rail receiving groove 22 are respectively disposed on the front end surface and the rear end surface of the rail 2, a rail receiving device 23 is movably disposed in the front rail receiving groove 21, the left side surface and the right side surface of the rail 2 are both V-shaped structures, a slider 3 is movably disposed on the top surface of the rail 2, the slider 3 is a rectangular plate-shaped structure, a gear shaft mounting hole 8 is disposed on the top surface of the slider 3, a plurality of roller devices 31 are disposed on both ends of the bottom surface of the slider 3, the roller devices 31 are respectively in contact with the left side surface and the right side surface of the rail 2, a plurality of rack mounting holes 24 are further disposed on the top surface of the rail 2, and, the top surface and the bottom surface of the guide rail 2 are respectively provided with a plurality of left slots 5 and a plurality of right slots 51, the left slots 5 and the right slots 51 are respectively positioned at two sides of a central line where the circle center of the rack mounting hole 24 is positioned, the left slots 5 and the right slots 51 are respectively distributed at equal intervals along the length direction of the central line where the circle center of the rack mounting hole 24 is positioned, a guide rail bracket mounting hole 25 is also respectively arranged between two adjacent left slots 5 and between two adjacent right slots 51 on the top surface of the guide rail 2, a mounting support rod 26 is respectively arranged in the guide rail bracket mounting hole 25, the guide rail 2 is connected with the guide rail base 1 through the mounting support rod 26, the top surface of the guide rail 2 is also provided with two slide rails 6, the two slide rails 6 are respectively positioned at the edges of the left side and the right side of the top surface of the guide rail 2, both ends of the bottom surface, and the guide plate 7 is in contact with the slide rail 6.

The rail connecting device 23 comprises a connecting rail 231, one end of the connecting rail 231 is positioned in the front rail connecting groove 21, the side wall of the other end of the connecting rail 231 is provided with a buffer column 4, the top surface of one end of the connecting rail 231 is provided with a plurality of main positioning holes 232, the top surface of the other end of the connecting block 231 is provided with a plurality of auxiliary positioning holes 233, two ends of the top surface of the guide rail 2 are respectively provided with a plurality of first bolt holes 234 and a plurality of second bolt holes 235, the first bolt holes 234 are communicated with the front rail connecting groove 21, the second bolt holes 235 are communicated with the rear rail connecting groove 22, the positioning holes 232, the auxiliary positioning holes 233, the first bolt holes 234 and the second bolt holes 235 are two, the main positioning holes 232, the auxiliary positioning holes 233, the first bolt holes 234 and the second bolt holes 235 are all internally threaded holes with the same diameter, and the first bolts 236 and the second bolts 237 are respectively, the distance between the two main positioning holes 232, between the two auxiliary positioning holes 233, between the two first bolt holes 234 and between the two second bolt holes 235 are the same, the positions of the main positioning holes 232 and the auxiliary positioning holes 233 correspond to the positions of the first bolt holes 234 and the second bolt holes 235, the two adjacent guide rails 2 can be spliced by respectively positioning the two ends of the connecting rail 231 in the front rail connecting groove 21 and the rear rail connecting groove 22 on the two adjacent guide rails 2, sequentially passing the first bolt 236 through the first bolt hole 234 and the main positioning hole 232 and sequentially passing the second bolt 237 through the second bolt holes 235 and the auxiliary positioning holes 233, so that the operation area is increased, the slide rail 6 comprises a slide groove 61 and a guide slide bar 62, the slide groove 61 and the guide slide bar 62 are sequentially arranged on the top surface of the guide rails 2 in parallel, the lengths of the slide groove 61, the guide slide bar 62 and the guide rails 2 are the same, the slide groove 61 is of a groove-shaped structure, the guide slide bar 62 is positioned at the edge of the top surface close to the guide rail 2, the cross section of the guide slide bar 62 is in a right-angle fan shape, one right-angle edge of the guide slide bar 62 is positioned on the top surface of the guide rail 2, the other right-angle edge of the guide slide bar 62 is perpendicular to the top surface of the guide rail 2, the guide plate 7 comprises a sliding plate 71 and a sliding shaft 72, the sliding plate 71 and the sliding shaft 72 are sequentially arranged on the bottom surface of the sliding block 3 in parallel, the length direction of the sliding shaft 72 is the same as that of the guide rail 2, the sliding plate 71 is in a rectangular plate shape, one end of the sliding plate 71 is fixedly arranged on the bottom surface of the, the other end of the sliding plate 71 is a semi-arc structure, the cross section of the sliding shaft 72 is a right-angle fan shape, the arc edge of the sliding shaft 72 is contacted with the arc edge of the guide sliding rod 62, and when the sliding block 3 slides on the top surface of the guide rail 2, the sliding plate 71 can play a role of guiding in the sliding groove 61; on the other hand, the position stability when the sliding device slides on the guide rail 2 can be kept, and the tilting is not easy to occur; the other end of the sliding shaft 72 is a semicircular arc structure and can make the guide rails 2 slide smoothly when contacting with the guide sliding rod 62, the buffer column 4 comprises an adjusting rod 41, one end of the adjusting rod 41 is provided with a buffer sheet 42, the other end of the adjusting rod 41 movably penetrates through the side wall of the other end of the connecting rail 231 to the inside of the connecting rail 231, the outside of the adjusting rod 41 is also sleeved with a spring 43, and two ends of the spring 43 are respectively and fixedly arranged on the side wall of the other end of the buffer sheet 42 and the side wall of the other end of the connecting rail 231, so that the adjusting rod 41 can play a buffer role when two adjacent guide rails 2 are spliced, the size and the shape of the front rail connecting groove 21 and the back rail connecting groove 22 are the same, the size and the shape of the connecting rail 231 are matched with the size and the shape of the front rail connecting groove 21, the length of the front rail connecting groove 21 is larger than the length of the connecting rail 231, when two adjacent guide rails 2 are spliced, two ends of the connecting, so that two adjacent guide rails 2 are tightly jointed when being spliced, the roller device 31 comprises an upper circular truncated cone 311, a middle cylinder 312, a lower circular truncated cone 313, a fixing shaft 314 and a bearing 315, a plurality of step holes 316 are further arranged on the slider 3, the step holes 316 are of through hole-shaped structures, the positions of the step holes 316 correspond to the positions of the roller device 31 up and down, one end of the fixing shaft 314 is of a step shaft-shaped structure, one end of the fixing shaft 314 penetrates through the step holes 316, one end of the fixing shaft 314 is also movably sleeved with a nut 317, the bearing 315 is sleeved outside the other end of the fixing shaft 314, the upper circular truncated cone 311, the middle cylinder 312 and the lower circular truncated cone 313 are sequentially and fixedly arranged outside the bearing 315 from top to bottom, the small-diameter end of the upper circular truncated cone 311 and the small-diameter end of the lower circular truncated cone 313 are respectively arranged on two circular bottom surfaces of the middle cylinder 312, the upper circular truncated cone 311, the middle cylinder 312 and the lower circular truncated, the diameters of the small diameter end of the upper circular truncated cone 311, the small diameter end of the lower circular truncated cone 313 and the middle cylinder 312 are the same, and the side surfaces of the upper circular truncated cone 311 and the lower circular truncated cone 313 are respectively contacted with the outer wall of the V-shaped opening of the guide rail 2, one end of the fixed shaft 314 passes through the step hole 316, and then the nut 317 is screwed on one end of the fixed shaft 314, so that the fixed shaft 314 can be fixed in the step hole 316, when the sliding block 3 moves on the guide rail 2, the upper circular truncated cone 311 and the lower circular truncated cone 313 are contacted with the guide rail 2, and the upper circular truncated cone 311 and the lower circular truncated cone 313 roll on the guide rail 2, so that the resistance when the sliding block 3 moves on the guide rail 2 is reduced, the smooth movement is kept, the arc-shaped groove 81 is further arranged on the top surface of the sliding block 3 at the two ends of the arc-shaped opening of the arc-shaped groove 81, a plurality of mounting holes 82 are further arranged on the sliding block 3 at the two ends of the arc-shaped opening, the automatic trolley can be arranged on the top surface of the sliding block 3 through the mounting hole 82, when the automatic trolley is arranged, soft anti-slip materials such as rubber pads can be placed in the arc-shaped groove 81 so as to increase the firmness of the automatic trolley after being arranged, the speed reducer on the automatic trolley is fixed on the top surface of the sliding block 3, a gear shaft on an output shaft of the speed reducer is arranged in the gear shaft mounting hole 8, a gear on the gear shaft is meshed with a rack arranged on the rack mounting hole 24, namely, a motor on the automatic trolley drives the gear shaft to rotate after being decelerated by the speed reducer, so that the automatic trolley can be driven to travel on the guide rail 2 along the length direction of the rack, the guide rail bracket mounting hole 25 is a stepped hole, one end of the mounting support rod 26 is matched with the shape and the size of the guide rail bracket mounting hole 25, one end of the mounting support rod 26 is positioned in the, the other end of the mounting support rod 26 is fixedly arranged on the top surface of the guide rail base 1, the two ends of the top surface of the guide rail base 1 are also vertically provided with the support columns 9, one end of each support column 9 is fixedly arranged on the top surface of the guide rail base 1, and the other end of each support column 9 is in contact with the bottom surface of the guide rail 2, so that the guide rail 2 and the guide rail base 1 are easy to detach and mount, and convenient to move and transport; the supporting column 9 can support the guide rail 2 after installation, so that the stability is improved, the left slot 5 and the right slot 51 are the same in shape, the size of the left slot 5 is smaller than that of the right slot 51, and the arrangement of the left slot 5 and the right slot 51 is favorable for reducing the whole weight on one hand because the center line of the circle center of the rack installation hole 24 is parallel to the center line of the top surface of the guide rail 2; on the other hand, the rack mounting hole 24 is not located on the center line of the top surface of the guide rail 2, so that after the rack is mounted on the rack mounting hole 24 and the automatic trolley is mounted on the top surface of the slider 3, the balance degree of the weights of the left side and the right side of the guide rail 2 is improved, the automatic trolley can smoothly walk on the guide rail 2, the guide rail 2 can be made of aluminum alloy 6061-T651, and compared with the guide rail made of common steel materials, the guide rail has the advantages of light weight, convenience in carrying, mounting, dismounting and the like.

The utility model discloses a theory of operation is: the other end of the supporting column 9 is inserted into the guide rail bracket mounting hole 25, that is, the guide rail 2 can be mounted on the top surface of the guide rail base 1 through the supporting column 9, when two or more portable guide rail devices for the automatic trolley need to be spliced, one end of the connecting rail 231 is inserted into the front rail receiving groove 21 of one of the portable guide rail devices for the automatic trolley, the main positioning hole 232 on the top surface of one end of the connecting rail 231 corresponds to the first bolt hole 234 on the top surface of the guide rail 2 in position, and then the first bolt 236 sequentially passes through the first bolt hole 234 and the main positioning hole 232 to fix one end of the connecting rail 231 in the front rail receiving groove 21; the rear rail connecting groove 22 of one adjacent portable guide rail device for the automatic trolley is sleeved outside the other end of the connecting rail 231, the auxiliary positioning hole 233 in the top surface of the other end of the connecting rail 231 corresponds to the second bolt hole 235 in the top surface of the guide rail 2 in position, and then the second bolt 237 sequentially penetrates through the second bolt hole 235 and the auxiliary positioning hole 233 to fix the other end of the connecting rail 231 in the rear rail connecting groove 22, at the moment, the guide rails 2 on two adjacent portable guide rail devices for the automatic trolley are connected in a contact manner, so that the moving range of the automatic trolley is increased, and the operation area is increased; after two or more portable guide rail devices for the automatic trolley are spliced, a sliding block 3 can be arranged on only one portable guide rail device for the automatic trolley for conveying materials, and meanwhile, the sliding blocks 3 on other portable guide rail devices for the automatic trolley are detached; the buffer column 4 can play a role in buffering when the two portable guide rail devices for the automatic trolley are spliced, and prevent the two portable guide rail devices for the automatic trolley from being impacted when being spliced; when the sliding block 3 slides on the top surface of the guide rail 2, the sliding plate 71 can play a guiding role in moving in the sliding groove 61, can also keep the stability of the position of the guide rail 2 when sliding, and is not easy to skew; the contact between the sliding shaft 72 and the guide sliding rod 62 can make the guide rail 2 slide smoothly; after two or more portable guide rail devices for the automatic trolley are spliced, the buffer column 4 is arranged in the front rail connecting groove 21 or the rear rail connecting groove 22 of the outermost portable guide rail device for the automatic trolley, and the spring 43 is sleeved outside the adjusting rod 41 and can play a role in buffering and protecting the guide rail 2 when an external object impacts the guide rail 2; the automatic trolley can be installed on the top surface of the sliding block 3 through the installation hole 82, when the automatic trolley is installed, soft anti-slip materials such as rubber pads can be placed in the arc-shaped groove 81 so as to increase firmness of the installed automatic trolley, the speed reducer on the automatic trolley is fixed on the top surface of the sliding block 3, a gear shaft on an output shaft of the speed reducer is installed in the gear shaft installation hole 8, gears on the gear shaft are meshed with racks installed on the rack installation hole 24, namely, a motor on the automatic trolley drives the gear shaft to rotate after being decelerated by the speed reducer, so that the automatic trolley can be driven to drive to travel on the guide rail 2 along the length direction of the racks, and conveying operation is completed; when the slider 3 moves on the guide rail 2, the upper circular truncated cone 311 and the lower circular truncated cone 313 contact with the guide rail 2, and the upper circular truncated cone 311 and the lower circular truncated cone 313 roll on the guide rail 2, so that the resistance of the slider 3 when moving on the guide rail 2 is reduced, the smooth movement is favorably kept, the V-shaped tip parts on the left side and the right side of the guide rail 2 are positioned between the upper circular truncated cone 311 and the lower circular truncated cone 313, and the V-shaped tip parts on the left side and the right side of the guide rail 2 can also be processed into a plane shape, so that the V-shaped tip parts on the left side and the right side of the guide rail 2 can be prevented from easily causing injuries to pedestrians around the guide rail 2.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an automatic change portable guide rail device for dolly which characterized in that: the guide rail device comprises a guide rail base (1), a guide rail (2) is arranged on the top surface of the guide rail base (1), the top surface and the bottom surface of the guide rail (2) are both rectangular, a front rail connecting groove (21) and a rear rail connecting groove (22) are respectively arranged on the front end surface and the rear end surface of the guide rail (2), a rail connecting device (23) is movably arranged in the front rail connecting groove (21), the left side surface and the right side surface of the guide rail (2) are both V-shaped structures, a sliding block (3) is movably arranged on the top surface of the guide rail (2), the sliding block (3) is of a rectangular plate-shaped structure, a gear shaft mounting hole (8) is arranged on the top surface of the sliding block (3), a plurality of roller devices (31) are respectively arranged on the two ends of the bottom surface of the sliding block (3), the roller devices (31) are respectively contacted with the left side surface and the right side surface of the guide rail (2), a plurality of rack mounting holes (24), the top surface and the bottom surface of the guide rail (2) are respectively provided with a plurality of left slots (5) and a plurality of right slots (51), the left slots (5) and the right slots (51) are respectively positioned at two sides of the central line of the circle center of the rack mounting hole (24), the left slots (5) and the right slots (51) are respectively distributed at equal intervals along the length direction of the central line of the circle center of the rack mounting hole (24), guide rail bracket mounting holes (25) are respectively arranged between two adjacent left slots (5) and two adjacent right slots (51) on the top surface of the guide rail (2), mounting support rods (26) are respectively arranged in the guide rail bracket mounting holes (25), the guide rail (2) is connected with the guide rail base (1) through the mounting support rods (26), two slide rails (6) are also arranged on the top surface of the guide rail (2), and the two slide rails (6) are respectively positioned at the edges of the left side and the right side of the top, both ends of the bottom surface of the sliding block (3) are also provided with guide plates (7), the positions of the guide plates (7) correspond to the positions of the sliding rails (6) up and down, and the guide plates (7) are in contact with the sliding rails (6).

2. The portable rail device for an automated trolley according to claim 1, wherein: the rail connecting device (23) comprises a connecting rail (231), one end of the connecting rail (231) is positioned in a front rail connecting groove (21), a buffer column (4) is arranged on the side wall of the other end of the connecting rail (231), a plurality of main positioning holes (232) are arranged on the top surface of one end of the connecting rail (231), a plurality of auxiliary positioning holes (233) are arranged on the top surface of the other end of the connecting rail (231), a plurality of first bolt holes (234) and a plurality of second bolt holes (235) are respectively arranged at two ends of the top surface of the guide rail (2), the first bolt holes (234) are communicated with the front rail connecting groove (21), the second bolt holes (235) are communicated with a rear rail connecting groove (22), the number of the positioning holes (232), the auxiliary positioning holes (233), the first bolt holes (234) and the second bolt holes (235) are two, and the main positioning holes (232), the auxiliary positioning holes (233), the first bolt holes (234) and the second bolt holes (, first bolts (236) and second bolts (237) are further arranged in the first bolt holes (234) and the second bolt holes (235) respectively, the hole distances between the two main positioning holes (232), between the two auxiliary positioning holes (233), between the two first bolt holes (234) and between the two second bolt holes (235) are the same, and the positions of the main positioning holes (232) and the auxiliary positioning holes (233) correspond to the positions of the first bolt holes (234) and the second bolt holes (235).

3. The portable rail device for an automated trolley according to claim 1, wherein: the sliding rail (6) comprises a sliding groove (61) and a guide sliding rod (62), the sliding groove (61) and the guide sliding rod (62) are sequentially arranged on the top surface of the guide rail (2) in parallel, the lengths of the sliding groove (61), the guide sliding rod (62) and the guide rail (2) are the same, the sliding groove (61) is of a groove-shaped structure, the guide sliding rod (62) is positioned close to the edge of the top surface of the guide rail (2), the cross section of the guide sliding rod (62) is in a right-angle fan shape, one right-angle edge of the guide sliding rod (62) is positioned on the top surface of the guide rail (2), the other right-angle edge of the guide sliding rod (62) is perpendicular to the top surface of the guide rail (2), the guide plate (7) comprises a sliding plate (71) and a sliding shaft (72), the sliding plate (71) and the sliding shaft (72) are sequentially arranged on the bottom surface of the sliding block (3) in parallel, the length direction of, one end of the sliding plate (71) is fixedly arranged on the bottom surface of the sliding block (3), the other end of the sliding plate (71) is positioned in the sliding groove (61), the other end of the sliding plate (71) is of a semi-circular arc structure, the cross section of the sliding shaft (72) is of a right-angle fan shape, and the arc edge of the sliding shaft (72) is in contact with the arc edge of the guide sliding rod (62).

4. The portable rail device for an automated trolley according to claim 2, wherein: buffer column (4) are including adjusting pole (41), and the one end of adjusting pole (41) is provided with buffer plate (42), and the other end activity of adjusting pole (41) is passed the lateral wall of connecting rail (231) the other end and is connected in rail (231), and the outside of adjusting pole (41) still overlaps and is equipped with spring (43), and the both ends of spring (43) are fixed respectively and are set up on buffer plate (42) and the lateral wall of connecting rail (231) the other end.

5. The portable rail device for an automated trolley according to claim 2, wherein: the front rail connecting groove (21) and the rear rail connecting groove (22) are identical in size and shape, the connecting rail (231) is matched with the front rail connecting groove (21) in size and shape, and the length of the front rail connecting groove (21) is larger than that of the connecting rail (231).

6. The portable rail device for an automated trolley according to claim 1, wherein: the roller device (31) comprises an upper circular table body (311), a middle cylinder (312), a lower circular table body (313), a fixed shaft (314) and a bearing (315), wherein a plurality of step holes (316) are further formed in the slider (3), the step holes (316) are of through hole-shaped structures, the positions of the step holes (316) correspond to the positions of the roller device (31) up and down, one end of the fixed shaft (314) is of a step shaft-shaped structure, one end of the fixed shaft (314) penetrates through the step holes (316), one end of the fixed shaft (314) is movably sleeved with a nut (317), the bearing (315) is sleeved outside the other end of the fixed shaft (314), the upper circular table body (311), the middle cylinder (312) and the lower circular table body (313) are sequentially fixedly arranged on the outside of the bearing (315) from top to bottom, and the small diameter end of the upper circular table body (311) and the small diameter end of the lower circular table body (313) are respectively arranged on two circular bottom surfaces of the middle cylinder (, the upper circular truncated cone body (311), the middle cylinder (312) and the lower circular truncated cone body (313) are of an integrally formed structure, the small-diameter end of the upper circular truncated cone body (311), the small-diameter end of the lower circular truncated cone body (313) and the middle cylinder (312) are identical in diameter, and the side faces of the upper circular truncated cone body (311) and the lower circular truncated cone body (313) are respectively in contact with the outer wall of the V-shaped opening of the guide rail (2).

7. The portable rail device for an automated trolley according to claim 1, wherein: the top surface of the sliding block (3) is also provided with an arc-shaped groove (81), the sliding blocks (3) at the two ends of the arc-shaped opening of the arc-shaped groove (81) are also provided with a plurality of mounting holes (82), and the gear shaft mounting hole (8) is positioned on the top surface of the sliding block (3) at one end of the arc-shaped opening of the arc-shaped groove (81).

8. The portable rail device for an automated trolley according to claim 1, wherein: guide rail bracket mounting hole (25) are the step hole, the one end of erection bracing pole (26) and the shape and the size homogeneous phase cooperation of guide rail bracket mounting hole (25), the one end of erection bracing pole (26) is located guide rail bracket mounting hole (25), the other end of erection bracing pole (26) is fixed to be set up on the top surface of guide rail base (1), the top surface both ends of guide rail base (1) still all are provided with support column (9) perpendicularly, and the one end of support column (9) is fixed to be set up on the top surface of guide rail base (1), the other end of support column (9) contacts with the bottom surface of guide rail (2).

9. The portable rail device for an automated trolley according to claim 1, wherein: the left open slot (5) and the right open slot (51) are the same in shape, and the size of the left open slot (5) is smaller than that of the right open slot (51).