CN219384683U - Four-wheel drive type telescopic fork - Google Patents
Four-wheel drive type telescopic fork Download PDFInfo
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- CN219384683U CN219384683U CN202320439170.4U CN202320439170U CN219384683U CN 219384683 U CN219384683 U CN 219384683U CN 202320439170 U CN202320439170 U CN 202320439170U CN 219384683 U CN219384683 U CN 219384683U
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Abstract
The utility model provides a four-wheel drive type telescopic fork, which comprises a sliding seat and a telescopic fork, wherein the sliding seat comprises a cross beam and a longitudinal beam which are arranged on the inner side of a track; the outer side surface of the longitudinal beam is fixedly provided with a driving assembly; the driving assembly comprises a driving motor, a driving shaft, a driving gear, a driving wheel, a driven shaft, a driven gear and an auxiliary driving wheel; the driving motor is fixed on the longitudinal beam; the main driving wheel is fixed at the end part of the driving shaft; the auxiliary driving wheel is fixed at the end part of the driven shaft and is in rolling contact with the lower end surface of the rail; in the utility model, the two driving components arranged on the sliding seat can ensure that four wheels with power are always in rolling contact with the track under the extending or retracting state of the telescopic fork, so that the running state of the telescopic fork on the track is more stable, the four-wheel driving of the telescopic fork is realized, and the situation that the sliding seat walks and slips can not occur; meanwhile, the load born by the main driving wheel at the extending side of the telescopic fork can be reduced, and the occurrence of the damage condition of the main driving wheel is reduced.
Description
Technical Field
The utility model relates to the technical field of telescopic forks, in particular to a four-wheel drive telescopic fork.
Background
The battery is hoisted and carried by using a telescopic fork on the pure electric heavy truck power exchange station, and the telescopic fork is arranged on a rail through a sliding seat. Four power wheels are arranged on the sliding seat of the existing telescopic fork, when the telescopic fork stretches out for hoisting, one side, far away from the extending direction of the telescopic fork, of the sliding seat can tilt upwards under the action of a lever, so that the power wheels at the side are separated from contact with a track, the driving effect is lost, the pressure applied to the power wheels at the two sides is increased, the damage is easy to occur, and the use of the telescopic fork is affected.
The Chinese patent with publication number of CN218505834U discloses a one-way power exchange mechanism of a heavy truck power exchange station, which comprises a portal frame and a traveling frame arranged on the portal frame, wherein a one-way telescopic fork is arranged on the lateral direction of the traveling frame; the unidirectional telescopic fork is provided with a lifting mechanism, and the unidirectional telescopic fork drives the lifting mechanism to do reciprocating motion in the horizontal direction; the lifting mechanism is provided with a battery top lock, and the lifting mechanism drives the battery top lock to reciprocate in the vertical direction. The walking frame of the power conversion robot is contacted with the portal frame only through four wheels with power, after the telescopic fork stretches out and hangs a battery, the stress on two sides of the walking frame is unbalanced, so that the friction force between the four wheels and the portal frame is different, and the situation that the advancing power of the walking frame is weakened occurs.
Disclosure of Invention
Aiming at the technical defects, the utility model aims to provide a four-wheel drive type telescopic fork for realizing stable running of the telescopic fork on a track.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the four-wheel drive type telescopic fork comprises a sliding seat and a telescopic fork, wherein the sliding seat is slidably arranged on a rail, a guide groove is formed in the inner side surface of the rail, the telescopic fork is fixed at the bottom of the sliding seat, and the sliding seat comprises a cross beam and a longitudinal beam which are arranged on the inner side of the rail; the cross beam and the longitudinal beam are respectively provided with two cross beams and are respectively arranged in parallel; the cross beam is arranged parallel to the track; the longitudinal beam is arranged between the two cross beams, and two ends of the longitudinal beam are respectively and vertically fixedly connected with the two cross beams; the outer side surface of the longitudinal beam is fixedly provided with a driving assembly; the driving assembly comprises a driving motor, a driving shaft, a driving gear, a driving wheel, a driven shaft, a driven gear and an auxiliary driving wheel; the driving motor is fixed on the longitudinal beam; two ends of the driving shaft are respectively rotatably arranged on the two cross beams; the driven shafts are provided with two driven shafts which are respectively and rotatably arranged on the two cross beams; the axis of the driven shaft is parallel to the axis of the driving shaft; the driving shaft is in transmission connection with the driving motor; the main driving wheel is fixed at the end part of the driving shaft and is rotatably arranged in the guide groove of the track; the auxiliary driving wheel is fixed at the end part of the driven shaft and is in rolling contact with the lower end surface of the rail; the driving gear is fixed on the driving shaft, the driven gear is fixed on the driven shaft, and the driving gear and the driven gear are meshed for transmission.
Preferably, the drive assembly further comprises a plurality of driven wheels; the driven wheels are symmetrically arranged on two sides of the cross beam; the beam is fixedly provided with a shaft lever, and the driven wheel is rotatably arranged on the shaft lever; the axis of the shaft lever is parallel to the axis of the driving shaft; the driven wheel is rotatably arranged in the guide groove of the track.
Preferably, the drive assembly further comprises a T-shaped diverter; the T-shaped steering gear is fixed on the longitudinal beam; the driving motor is arranged below the T-shaped steering gear and is in transmission connection with the T-shaped steering gear; the driving shaft traverses the T-shaped steering gear and is in transmission connection with the T-shaped steering gear.
Preferably, the telescopic fork comprises a motor, a supporting frame, a main telescopic mechanism, a secondary telescopic mechanism, a tertiary telescopic mechanism and a conductive mechanism; the support frame is fixed at the bottom of the longitudinal beam; the motor for driving the telescopic fork to move in a telescopic way is fixed on the support frame; the main telescopic mechanism is slidably arranged on the bracket; the secondary telescopic mechanism is slidably arranged on the main telescopic mechanism; the three-stage telescopic mechanism is slidably arranged on the secondary telescopic mechanism; the two conductive mechanisms are symmetrically arranged on two sides of the lower part of the support frame; the conductive mechanism comprises a first-stage sliding contact wire, a second-stage sliding contact wire and a third-stage sliding contact wire; the first-level sliding contact line is fixed at the bottom of the support frame; the secondary sliding contact wire is fixed at the bottom of the main telescopic mechanism; the three-level sliding contact line is fixed at the bottom of the secondary telescopic mechanism; the primary sliding contact line, the secondary sliding contact line and the tertiary sliding contact line are respectively provided with a current collector; two ends of the second-level sliding contact line are respectively and electrically connected with the first-level sliding contact line and the third-level sliding contact line.
Compared with the prior art, the utility model has the following beneficial effects:
in the utility model, the two driving components arranged on the sliding seat can ensure that four wheels with power are always in rolling contact with the track under the extending or retracting state of the telescopic fork, so that the running state of the telescopic fork on the track is more stable, the four-wheel driving of the telescopic fork is realized, and the situation that the sliding seat walks and slips can not occur; meanwhile, the load born by the main driving wheel at the extending side of the telescopic fork can be reduced, and the occurrence of the damage condition of the main driving wheel is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a bottom view of the present utility model;
fig. 3 is a partial enlarged view at a in fig. 1.
Wherein:
1. a track; 2. a longitudinal beam; 3. a guide groove; 4. a T-shaped commutator; 5. a driving motor; 6. a driving shaft; 7. an auxiliary driving wheel; 8. a main driving wheel; 9. a cross beam; 10. driven wheel; 11. a support frame; 12. a main telescopic mechanism; 13. a secondary telescoping mechanism; 14. a three-stage telescopic mechanism; 15. three-level sliding contact lines; 16. a second-stage trolley line; 17. a first-level trolley line; 18. a drive gear; 19. a driven gear.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 3, a four-wheel drive telescopic fork comprises a sliding seat and a telescopic fork, wherein the sliding seat is slidably arranged on a track 1 and can move along the track 1, a guide groove 3 is formed in the inner side surface of the track 1, the telescopic fork is fixed at the bottom of the sliding seat, and the sliding seat comprises a cross beam 9 and a longitudinal beam 2 which are arranged on the inner side of the track 1; the cross beam 9 and the longitudinal beam 2 are respectively arranged in two and are respectively arranged in parallel; the cross beam 9 is arranged parallel to the track 1; the longitudinal beam 2 is arranged between the two cross beams 9, two ends of the longitudinal beam 2 are respectively and vertically fixedly connected with the two cross beams 9, and the two cross beams 9 and the two longitudinal beams 2 form a frame structure; the outer side surfaces of the longitudinal beams 2 are fixedly provided with driving components for providing driving force for walking for the sliding seat, and the two longitudinal beams 2 are respectively provided with one driving component; the driving assembly comprises a driving motor 5, a driving shaft 6, a driving gear 18, a driving wheel 8, a driven shaft, a driven gear 19 and an auxiliary driving wheel 7; the driving motor 5 is fixed on the longitudinal beam 2; the cross beams 9 are provided with bearings, and two ends of the driving shaft 6 are respectively rotatably arranged on the two cross beams 9 through the bearings; the driven shafts are provided with two driven shafts which are respectively and rotatably arranged on the two cross beams 9, and the axes of the two driven shafts of the same driving assembly are on the same straight line; the axis of the driven shaft is parallel to the axis of the driving shaft 6; the driving shaft 6 is in transmission connection with the driving motor 5, and the driving motor 5 can drive the driving shaft 6 to rotate after being started; the main driving wheel 8 is fixed at the end of the driving shaft 6 and is rotatably arranged in the guide groove 3 of the track 1; the auxiliary driving wheel 7 is fixed at the end part of the driven shaft and is in rolling contact with the lower end surface of the track 1; the driving gear 18 is fixed on the driving shaft 6, the driven gear 19 is fixed on the driven shaft, and the driving gear 18 and the driven gear 19 are meshed for transmission; the driving motor 5 is started to drive the driving shaft 6 to rotate, the driving shaft 6 drives the main driving wheel 8 to rotate, and the telescopic fork is driven to walk on the track 1 along the track 1 through rolling contact between the main driving wheel 8 and the track 1; the driven shaft and the auxiliary driving wheel 7 are driven to rotate through the transmission of the driving gear 18 and the driven gear 19; when the telescopic fork stretches to one side, the stress on one side of the sliding seat close to the telescopic fork is increased, the other side of the sliding seat is tilted upwards, and then the main driving wheel 8 is separated from the track 1 or the friction force is reduced, so that the walking power is weakened, at the moment, the auxiliary driving wheel 7 far away from one side of the telescopic fork is pressed on the lower end surface of the track 1 along with the tilting of the telescopic fork, and the rolling contact between the auxiliary driving wheel 7 and the track 1 provides the walking power for the sliding seat; and then make two drive assembly of flexible fork have four wheels all the time and keep in contact with track 1, realize stable four-wheel drive effect.
Further, the drive assembly also includes a plurality of driven wheels 10; a plurality of driven wheels 10 are symmetrically arranged on two sides of the cross beam 9; the beam 9 is fixedly provided with a shaft lever, and the driven wheel 10 is rotatably arranged on the shaft lever; the axis of the shaft rod is parallel to the axis of the driving shaft 6; the driven wheel 10 is rotatably arranged in the guide groove 3 of the track 1, and the pressure applied to the main driving wheel 8 is shared by the driven wheel 10, so that the damage to the main driving wheel 8 is reduced.
Further, the driving assembly further comprises a T-shaped steering gear; the T-shaped steering gear is fixed on the longitudinal beam 2; the driving motor 5 is arranged below the T-shaped steering gear and is in transmission connection with the T-shaped steering gear; the driving shaft 6 traverses the T-shaped steering gear and is connected with the T-shaped steering gear in a transmission way.
Further, as shown in fig. 1 and 2, the telescopic fork comprises a motor, a supporting frame 11, a main telescopic mechanism 12, a secondary telescopic mechanism 13, a tertiary telescopic mechanism 14 and a conductive mechanism; the supporting frame 11 is fixed at the bottom of the longitudinal beam 2; the motor for driving the telescopic fork to move in a telescopic way is fixed on the supporting frame 11; the main telescopic mechanism 12 is slidably arranged on the bracket; the secondary telescopic mechanism 13 is slidably arranged on the main telescopic mechanism 12; the three-stage telescopic mechanism 14 is slidably arranged on the secondary telescopic mechanism 13; the two conductive mechanisms are symmetrically arranged on two sides of the lower part of the supporting frame 11; the conductive mechanism comprises a first-stage sliding contact line 17, a second-stage sliding contact line 16 and a third-stage sliding contact line 15; the first-stage sliding contact line 17 is fixed at the bottom of the supporting frame 11; the secondary trolley line 16 is fixed at the bottom of the main telescopic mechanism 12; the three-level sliding contact line 15 is fixed at the bottom of the secondary telescopic mechanism 13; the primary sliding contact line 17, the secondary sliding contact line 16 and the tertiary sliding contact line 15 are respectively provided with a current collector; two ends of the second-level sliding contact line 16 are respectively and electrically connected with the first-level sliding contact line 17 and the third-level sliding contact line 15; the telescopic fork in the use state is provided with stable power supply through the conductive mechanism, compared with the use of a flat cable for power supply, the structure is more compact, and the problems that the flat cable sags to occupy space and has potential safety hazards are solved; the transmission relation among the motor, the support frame 11, the main telescopic mechanism 12, the secondary telescopic mechanism 13 and the tertiary telescopic mechanism 14 is described in the patent application of the utility model with the application number 2023100259049: the main telescopic mechanism 12 comprises a main bracket, a rack and a main transmission unit; the main bracket is slidably arranged on the supporting frame 11; the sliding direction of the main support on the support frame 11 is perpendicular to the sliding direction of the X-axis travelling mechanism on the hoisting guide rail; the motor is fixed on the support frame 11; the gear is arranged on an output shaft of the motor; the rack is fixed on the main support, and the gear is meshed with the rack for transmission; the main transmission unit comprises a main transmission chain and two main rollers; the two main rollers are respectively and rotatably arranged at the corresponding positions of the front end and the rear end of the main bracket; the main transmission chain is sleeved on the two main rollers and is tensioned by the two main rollers; a main fixing block I is fixedly arranged on the supporting frame 11; the main fixing block I is arranged in the area between the two main rollers and is fixedly connected with the upper half section of the main transmission chain; the main bracket is fixedly provided with a secondary fixing block I; the secondary telescopic mechanism 13 comprises a secondary bracket and a secondary transmission unit; the secondary bracket is slidably arranged on the main bracket; the sliding direction of the secondary bracket is the same as that of the main bracket; a main fixing block II is fixedly arranged on the secondary bracket, the main fixing block II is arranged in an area between the two main rollers, and the main fixing block II is fixedly connected with the lower half section of the main transmission chain; the secondary transmission unit comprises a secondary transmission chain and two secondary rollers; the two secondary rollers are respectively and rotatably arranged at the corresponding positions of the front end and the rear end of the secondary bracket; the secondary transmission chain is sleeved on the two secondary rollers and is tensioned by the two secondary rollers; the secondary fixing block I is arranged in the area between the two secondary rollers and is fixedly connected with the upper half section of the secondary transmission chain; the three-stage telescopic mechanism 14 comprises a three-stage bracket and a Z-axis lifting mechanism; the third-stage bracket is slidably arranged on the secondary bracket; the sliding direction of the third-stage bracket is the same as that of the secondary bracket; a secondary fixed block II is fixedly arranged on the three-stage bracket, the secondary fixed block II is arranged in an area between the two secondary rollers, and the secondary fixed block II is fixedly connected with the lower half section of the secondary transmission chain; the Z-axis lifting mechanism is fixed on the three-stage bracket.
Principle of operation
When the telescopic fork stretches out to one side, the stress of the cross beam 9 close to the stretching side of the telescopic fork on the sliding seat is gradually increased, the stress of the cross beam 9 on the other side is gradually reduced, the situation that the main driving wheel 8 far away from the stretching side of the telescopic fork breaks away from being in contact with the track 1 occurs, at the moment, the auxiliary driving wheel 7 on the cross beam 9 presses the lower end face of the contact track 1, the load born by the main driving wheel 8 on the other side is shared, and meanwhile, the four wheels of the sliding seat can be guaranteed to be always in contact with the track 1, and stable four-wheel drive is further provided for the telescopic fork.
Claims (4)
1. The four-wheel drive type telescopic fork comprises a sliding seat and a telescopic fork, wherein the sliding seat is slidably arranged on a track (1), a guide groove (3) is formed in the inner side surface of the track (1), and the telescopic fork is fixed at the bottom of the sliding seat; the cross beam (9) and the longitudinal beam (2) are respectively provided with two cross beams and are respectively arranged in parallel; the cross beam (9) is arranged parallel to the track (1); the longitudinal beam (2) is arranged between the two cross beams (9), and two ends of the longitudinal beam (2) are respectively and vertically fixedly connected with the two cross beams (9); the outer side surface of the longitudinal beam (2) is fixedly provided with a driving component; the driving assembly comprises a driving motor (5), a driving shaft (6), a driving gear (18), a driving wheel (8), a driven shaft, a driven gear (19) and an auxiliary driving wheel (7); the driving motor (5) is fixed on the longitudinal beam (2); two ends of the driving shaft (6) are respectively rotatably arranged on two cross beams (9); the driven shafts are provided with two driven shafts which are respectively and rotatably arranged on the two cross beams (9); the axis of the driven shaft is parallel to the axis of the driving shaft (6); the driving shaft (6) is in transmission connection with the driving motor (5); the main driving wheel (8) is fixed at the end part of the driving shaft (6) and is rotatably arranged in the guide groove (3) of the track (1); the auxiliary driving wheel (7) is fixed at the end part of the driven shaft and is in rolling contact with the lower end surface of the track (1); the driving gear (18) is fixed on the driving shaft (6), the driven gear (19) is fixed on the driven shaft, and the driving gear (18) and the driven gear (19) are meshed for transmission.
2. A four-wheel drive telescopic pallet fork according to claim 1, wherein the drive assembly further comprises a plurality of driven wheels (10); the driven wheels (10) are symmetrically arranged on two sides of the cross beam (9); a shaft lever is fixedly arranged on the cross beam (9), and the driven wheel (10) is rotatably arranged on the shaft lever; the axis of the shaft lever is parallel to the axis of the driving shaft (6); the driven wheel (10) is rotatably arranged in the guide groove (3) of the track (1).
3. The four-wheel-drive telescopic fork according to claim 1, wherein said drive assembly further comprises a T-steering; the T-shaped steering gear is fixed on the longitudinal beam (2); the driving motor (5) is arranged below the T-shaped steering gear and is in transmission connection with the T-shaped steering gear; the driving shaft (6) traverses the T-shaped steering gear and is in transmission connection with the T-shaped steering gear.
4. Four-wheel drive telescopic fork according to claim 1, wherein the telescopic fork comprises a motor, a support frame (11), a primary telescopic mechanism (12), a secondary telescopic mechanism (13), a tertiary telescopic mechanism (14) and a conductive mechanism; the supporting frame (11) is fixed at the bottom of the longitudinal beam (2); the motor for driving the telescopic fork to move in a telescopic way is fixed on the supporting frame (11); the main telescopic mechanism (12) is slidably arranged on the bracket; the secondary telescopic mechanism (13) is slidably arranged on the main telescopic mechanism (12); the three-stage telescopic mechanism (14) is slidably arranged on the secondary telescopic mechanism (13); the two conductive mechanisms are symmetrically arranged on two sides of the lower part of the supporting frame (11); the conductive mechanism comprises a first-stage sliding contact line (17), a second-stage sliding contact line (16) and a third-stage sliding contact line (15); the first-level sliding contact line (17) is fixed at the bottom of the supporting frame (11); the secondary sliding contact wire (16) is fixed at the bottom of the main telescopic mechanism (12); the three-level sliding contact line (15) is fixed at the bottom of the secondary telescopic mechanism (13); the primary sliding contact line (17), the secondary sliding contact line (16) and the tertiary sliding contact line (15) are respectively provided with a current collector; two ends of the second-level sliding contact line (16) are respectively and electrically connected with the first-level sliding contact line (17) and the third-level sliding contact line (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320439170.4U CN219384683U (en) | 2023-03-09 | 2023-03-09 | Four-wheel drive type telescopic fork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320439170.4U CN219384683U (en) | 2023-03-09 | 2023-03-09 | Four-wheel drive type telescopic fork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219384683U true CN219384683U (en) | 2023-07-21 |
Family
ID=87193285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320439170.4U Active CN219384683U (en) | 2023-03-09 | 2023-03-09 | Four-wheel drive type telescopic fork |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219384683U (en) |
-
2023
- 2023-03-09 CN CN202320439170.4U patent/CN219384683U/en active Active
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