CN115417344A

CN115417344A - Forklift for tire loading and unloading

Info

Publication number: CN115417344A
Application number: CN202211007466.5A
Authority: CN
Inventors: 周祥; 吴有庆; 江亮; 周庆
Original assignee: Anhui Anshun Forklift Manufacturing Co ltd
Current assignee: Anhui Anshun Forklift Manufacturing Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2022-12-02

Abstract

The invention relates to the field of tire loading and unloading, in particular to a forklift for tire loading and unloading, which comprises a forklift body, wherein a propelling mechanism is arranged on the forklift body, a deflection lifting mechanism is arranged on the propelling mechanism, a rotary clamping jaw mechanism is arranged on the deflection lifting mechanism, the rotary clamping jaw mechanism comprises a base, a supporting shaft is rotatably arranged on the base, a triangular frame is fixed on the supporting shaft, rotary shell arms are rotatably arranged on three protrusions of the triangular frame, clamping rods are fixed on the rotary shell arms, a hydraulic rod IV is rotatably arranged between the rotary shell arms and the triangular frame, and a power part is arranged on the base. According to the invention, through adding the deflection lifting mechanism, the rotary clamping jaw mechanism, the stabilizing mechanism and the like, the tire can be taken out from the axle of the vehicle after being clamped, so that the tire can be conveniently carried, and similarly, a new tire clamped on the clamping rod can be attached to the axle for convenient installation, so that the tire is convenient to assemble and disassemble, the labor cost can be greatly reduced, the time and the labor are saved, and the stability of the tire during carrying is improved.

Description

Forklift for tire loading and unloading

Technical Field

The invention relates to the technical field of tire loading and unloading, in particular to a forklift for tire loading and unloading.

Background

For a vehicle with a large part of volume, such as a cotton picker, tires mounted on an axle of the vehicle are large in volume and heavy, when the tires of the vehicle are damaged in the working process, workers are required to jack up the damaged side of the tires of the vehicle to enable the tires to be separated from the ground, then bolts connecting hubs of the tires and the axle are removed, at the moment, the tires can be removed from the axle by combining the forces of the workers, then the removed tires are placed on a forklift to be transported, and similarly, when new tires are replaced, the new tires are required to be removed from the forklift and assembled on the axle by combining the forces of the workers.

At present, the forklift can only carry tires, the forklift cannot be controlled to load and unload the tires, the tires are large in size and heavy, a plurality of workers are needed to make a total force when the tires are loaded and unloaded, particularly, the multiple workers are needed to carry the tires and adjust the angles of the tires when the tires are assembled, bolt holes of the tires are aligned with axles, operation is complex, labor cost is increased, and time and labor are wasted. Therefore, a forklift for loading and unloading tires is provided.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the forklift for tire loading and unloading, which solves the problem of troublesome loading and unloading of large tires in the prior art, so that the tires can be loaded and unloaded more conveniently, the labor cost can be reduced to a greater extent, and time and labor are saved.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a forklift for tire loading and unloading comprises a forklift body, wherein a propelling mechanism is arranged on the forklift body, a deflection lifting mechanism is arranged on the propelling mechanism, and a rotary clamping jaw mechanism for clamping and rotating a tire is arranged on the deflection lifting mechanism;

gyration jack catch mechanism includes the base, rotates on the base and installs the back shaft, is fixed with triangular frame on the back shaft, all rotates on triangular frame's the three outstanding shell arm of installing that rotates, rotates to be fixed with the kelly on the shell arm, and has seted up logical groove on rotating the shell arm, it installs hydraulic stem four to rotate shell arm internal rotation, and the other end of hydraulic stem four passes logical groove and rotates and install in triangular frame, be equipped with on the base and be used for driving back shaft pivoted power portion.

Preferably, the power part comprises a motor arranged on the base, a gear is fixed at the output end of the motor, a gear ring is meshed with the gear, and the gear ring is fixed with the triangular frame.

Preferably, the propelling mechanism comprises a propelling frame which is slidably mounted on the vehicle body, and a first hydraulic rod for driving the propelling frame to move is mounted on the vehicle body.

Preferably, the deflection lifting mechanism comprises a vertical frame rotatably mounted on the pushing frame, the base is slidably mounted on the vertical frame, a connecting seat is fixed on the vertical frame, a second hydraulic rod is rotatably mounted in the connecting seat, the other end of the second hydraulic rod is rotatably mounted on the pushing frame, and a third hydraulic rod for driving the base to lift is mounted on the connecting seat.

Preferably, be equipped with on the kelly and be used for improving the stabilizing mean that the tire clamp got stability, stabilizing mean is fixed with the backup pad including installing the adapter sleeve on the kelly on the adapter sleeve, slidable mounting has a plurality of slide bars in the backup pad, and the inner of a plurality of slide bars is fixed with same splint, and the outer end of a plurality of slide bars all is fixed with the plectane, the extension spring is installed to the cover on the slide bar, and the extension spring is fixed in between plectane and the backup pad, stabilizing mean is still including the portion of preventing partially that is used for preventing that the tire skew landing.

Preferably, the inner end of the splint is provided with rough lines.

Preferably, prevent that partial portion is equipped with two sets ofly, two sets ofly prevent that partial portion is located the both sides of splint respectively, every group prevent partial portion including being fixed in the connecting rod in the backup pad, rotate on the connecting rod and install the pivot, overlap in the pivot and establish and install the pin, seted up the slide on the pin, be equipped with the guide arm in the slide, the guide arm is fixed with splint, the opening has been seted up to the position that corresponds the pin in the backup pad.

Preferably, be equipped with the positioning mechanism who is used for making things convenient for the dismouting between adapter sleeve and the kelly, positioning mechanism is including offering the cell body in the kelly and offering the locating hole on the adapter sleeve, the screw rod is installed to the cell body internal rotation, and the one end that the screw rod stretches out the cell body is fixed with the commentaries on classics handle, and the screw thread installs the movable block on the screw rod, slidable mounting has the guide post fixed with the cell body on the movable block, and rotates on the movable block and install the pendulum rod, and the other end of pendulum rod rotates installs the reference column with the locating hole looks adaptation, and reference column slidable mounting is on the kelly.

Preferably, a first limit ring and a second limit ring are respectively sleeved and fixed on two sides of the guide post corresponding to the moving block.

Preferably, a reinforcing rib for improving stability is fixed between the clamping rod and the rotating shell arm.

(III) advantageous effects

The invention provides a forklift for tire loading and unloading, which has the following beneficial effects:

1. through adding through advancing mechanism, deflection elevating system and gyration jack catch mechanism, steerable kelly takes out from the axletree of vehicle after pressing from both sides the tire tight to the transport of tire, the same reason, also can paste the axletree so that the installation with pressing from both sides the new tire that presss from both sides on the kelly, the loading and unloading of tire is comparatively convenient, can reduce the cost of labor by great degree, labour saving and time saving.

2. Through adding stabilizing mean and preventing partial, the setting of splint improves the effect of centre gripping, when splint clamp takes place to move outward on the tire, the guide arm on the splint also moves outward thereupon, through the effect of slide, it is rotatory to drive the pin for the pin takes place to rotate, and at this moment, the pin of both sides is located the both sides of tire and plays limiting displacement, prevents that the tire from rocking because jolting in handling and taking place to shift and finally lead to the tire landing, has improved tire stability when the transport.

3. Through adding positioning mechanism, rotate the screw rod, through the transmission of movable block and pendulum rod, can drive the reference column and remove, when the reference column breaks away from the locating hole, can take off whole stabilizing mean to overhaul or change, reverse operation can be with adapter sleeve and kelly installation, the installation and the dismantlement between stabilizing mean and the kelly of being convenient for.

4. By adding the first limiting ring and the second limiting ring, when the moving block is abutted to the first limiting ring, the positioning column is separated from the positioning hole, and when the moving block is abutted to the second limiting ring, the positioning column already extends into the positioning hole, so that the operation is more convenient.

In conclusion, the tire is convenient to assemble and disassemble, labor cost can be reduced to a large extent, time and labor are saved, and the stability of the tire during transportation is improved.

Drawings

FIG. 1 is a schematic view of the forklift of the present invention;

FIG. 2 is a schematic view of another perspective structure of the forklift of the present invention;

FIG. 3 is a schematic structural view of a rotary jaw mechanism of the present invention;

FIG. 4 is a schematic view of another structure of the rotary claw mechanism according to the present invention;

FIG. 5 is a top view of the rotary jaw mechanism of the present invention;

FIG. 6 is an exploded view of the rotary jaw mechanism of the present invention;

FIG. 7 is a cross-sectional view of a rotating shell arm construction of the present invention;

FIG. 8 is a schematic view of a structure of a stabilizing mechanism in embodiment 2 of the present invention;

FIG. 9 is an enlarged view of portion A of FIG. 8 according to the present invention;

FIG. 10 is a schematic structural view of the rotary claw mechanism and the stabilizing mechanism of the present invention when clamping a tire;

FIG. 11 is a schematic structural view of a positioning mechanism in embodiment 3 of the present invention;

FIG. 12 is a sectional view showing the structure of a positioning mechanism in example 3 of the present invention;

fig. 13 is a structural sectional view of another perspective of the positioning mechanism in embodiment 3 of the present invention.

In the figure: 1. a vehicle body; 2. a propulsion mechanism; 21. a propulsion frame; 22. a first hydraulic rod; 3. a deflection lifting mechanism; 31. a second hydraulic rod; 32. erecting a frame; 33. a connecting seat; 34. a hydraulic rod III; 4. a rotary jaw mechanism; 41. a base; 42. a support shaft; 43. a power section; 431. a motor; 432. a gear; 433. a ring gear; 44. a triangular frame; 45. rotating the shell arm; 451. a through groove; 46. a hydraulic rod IV; 47. a clamping rod; 48. reinforcing ribs; 5. a stabilizing mechanism; 51. connecting sleeves; 52. a support plate; 53. a tension spring; 54. a circular plate; 55. a slide bar; 56. a splint; 6. a deviation prevention section; 61. a connecting rod; 62. a rotating shaft; 63. a stop lever; 64. a slideway; 65. a guide bar; 66. a port; 7. a positioning mechanism; 71. a trough body; 72. a screw; 73. a guide post; 74. a moving block; 75. a swing rod; 76. a positioning column; 77. positioning holes; 78. turning a handle; 79. a first limiting ring; 710. and a second limiting ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1

As shown in fig. 1 to 7, a forklift for tire loading and unloading includes a forklift body 1, a propulsion mechanism 2 is provided on the forklift body 1, a deflecting elevating mechanism 3 is provided on the propulsion mechanism 2, and a rotary claw mechanism 4 for gripping and rotating a tire is provided on the deflecting elevating mechanism 3. Wherein, according to the inclination of waiting to change the tire, control deflection elevating system 3 makes gyration jack catch mechanism 4 deflect the slope, can gyration jack catch mechanism 4 just right with the tire, utilize advancing mechanism 2 after that, control deflection elevating system 3 and gyration jack catch mechanism 4 remove and stretch out, at the in-process of stretching out, through going up and down gyration jack catch mechanism 4 in order to guarantee that it is accurate to overlap in the tire outside, at this moment, control gyration jack catch mechanism 4 presss from both sides tightly the tire, can transport the tire away through fork truck, the great degree reduces the cost of labor, time saving and labor saving.

Gyration jack catch mechanism 4 includes base 41, it installs back shaft 42 to rotate on base 41, be fixed with triangular frame 44 on the back shaft 42, all rotate on triangular frame 44's the three outstanding and install and rotate shell arm 45, it is fixed with kelly 47 on the shell arm 45 to rotate, it is concrete, be fixed with the strengthening rib 48 that is used for improving stability between kelly 47 and the shell arm 45 of rotating, and it has seted up logical groove 451 on the shell arm 45 to rotate, it installs hydraulic stem four 46 to rotate the shell arm 45 internal rotation, hydraulic stem four 46's the other end passes logical groove 451 and rotates and install in triangular frame 44, be equipped with on the base 41 and be used for driving back shaft 42 pivoted power portion 43. When the old tire is disassembled (the bolt for fixing the tire and the axle is screwed out in advance), the three clamping rods 47 of the rotary clamping jaw mechanism 4 are controlled to be sleeved on the outer side of the tire, the three hydraulic rods four 46 are started to drive the three rotary shell arms 45 to rotate, then the three clamping rods 47 are driven to simultaneously contract inwards to clamp the tire, and then the tire can be clamped to finish the transportation of the tire; when installing the good or new tire of maintenance, will maintain good or new tire clamp on the kelly 47 in advance, utilize deflection elevating system 3, adjust the inclination of this tire, make this tire just right with the axletree, control power portion 43 after that, drive back shaft 42 and rotate, drive triangular frame 44 and rotate then, thereby drive and rotate shell arm 45 and kelly 47 on it and rotate, can drive the tight tire rotation of clamp, make the bolt hole of tire wheel hub aim at with the axletree of vehicle, again control the tire and remove and paste the axletree of vehicle (the lift of the fine setting tire in this process, prevent that the bolt hole of tire wheel hub and axletree from taking place the dislocation), the installation of the tire of being convenient for, it is comparatively simple and convenient during the assembly.

In conclusion, through the propelling mechanism 2, the deflection lifting mechanism 3 and the rotary claw mechanism 4, the tire can be taken out from the axle of the vehicle after being clamped, so that the tire can be conveniently carried, and in the same way, a new tire on the clamping rod 47 can be attached to the axle so as to be conveniently installed, the tire is conveniently assembled and disassembled, the labor cost can be greatly reduced, and time and labor are saved.

In this embodiment, the power portion 43 includes a motor 431 mounted on the base 41, a gear 432 is fixed to an output end of the motor 431, a ring gear 433 is engaged with the gear 432, and the ring gear 433 is fixed to the triangular frame 44. Wherein, starter motor 431 drives the rotation of gear 432, drives ring gear 433 rotation then to drive triangular frame 44 and rotate, rotate shell arm 45 and the kelly 47 thereupon and rotate, can drive the tire rotation of pressing from both sides tightly on kelly 47, so that tire bolt hole and axletree aim at.

In this embodiment, the propulsion mechanism 2 includes a propulsion frame 21 slidably mounted on the vehicle body 1, and a first hydraulic rod 22 for driving the propulsion frame 21 to move is mounted on the vehicle body 1. The first hydraulic rod 22 is started to drive the pushing frame 21 to move, so that the deflection lifting mechanism 3 and the rotary claw mechanism 4 can be driven to move, and the tire clamped on the clamping rod 47 can be controlled to move.

In this embodiment, the deflecting lifting mechanism 3 includes an upright frame 32 rotatably mounted on the pushing frame 21, the base 41 is slidably mounted on the upright frame 32, a connecting seat 33 is fixed on the upright frame 32, a second hydraulic rod 31 is rotatably mounted in the connecting seat 33, the other end of the second hydraulic rod 31 is rotatably mounted on the pushing frame 21, and a third hydraulic rod 34 for driving the base 41 to lift is mounted on the connecting seat 33. Wherein, the third hydraulic rod 34 is started to drive the base 41 to lift, thereby driving the rotary claw mechanism 4 and the tire clamped thereon to lift.

In addition, when changing the tire on the vehicle, the staff often can jack-up one side of vehicle for the tire of waiting to change keeps away from ground, so, the tire at this moment is in the tilt state, utilizes two 31 of hydraulic stem, drives grudging post 31 and takes place to deflect and the slope, can make gyration jack catch mechanism 4 slope, makes 4 inclination of gyration jack catch mechanism and tire inclination roughly the same, so that the cover that kelly 47 can be accurate is in the outside of tire.

Example 2

Referring to fig. 8 to 11, basically the same as that of embodiment 1, it is more preferable that a stabilizing mechanism 5 for improving the tire gripping stability is provided on the clamping rod 47, the stabilizing mechanism 5 includes a connecting sleeve 51 installed on the clamping rod 47, a supporting plate 52 is fixed on the connecting sleeve 51, a plurality of sliding rods 55 are slidably installed on the supporting plate 52, the same clamping plate 56 is fixed at the inner ends of the plurality of sliding rods 55, and specifically, the inner end of the clamping plate 56 is provided with a rough texture. And the outer ends of a plurality of sliding rods 55 are all fixed with a circular plate 54, the sliding rods 55 are sleeved with a tension spring 53, the tension spring 53 is fixed between the circular plate 54 and the supporting plate 52, and the stabilizing mechanism 5 further comprises an anti-deviation part 6 for preventing the tire from deviating and sliding down. Wherein, when three kelly 47 inwards shrink simultaneously, splint 56 can contact the extrusion with the tire, and splint 56's setting has improved the area of contact with the tire, has strengthened the effect of centre gripping.

Prevent that partial portion 6 is equipped with two sets ofly, and two sets ofly prevent that partial portion 6 is located the both sides of splint 56 respectively, and every group prevents partial portion 6 including being fixed in the connecting rod 61 in the backup pad 52, rotates on the connecting rod 61 and installs pivot 62, and the cover is established in the pivot 62 and is installed pin 63, has seted up slide 64 on the pin 63, is equipped with guide arm 65 in the slide 64, and guide arm 65 is fixed with splint 56, and opening 66 has been seted up to the position that corresponds pin 63 in the backup pad 52. Wherein, when splint 56 presss from both sides on the tire and receives the reaction of tire, splint 56 can take place less range and move outward, at the in-process that moves outward of splint 56, guide arm 65 also moves outward thereupon, through the effect of slide 64, it is rotatory to drive pin 63, make pin 63 take place to rotate (pin 63 initial state refers to fig. 9 and pin 63 final state refers to fig. 10), at this moment, the pin 63 of both sides is located the both sides of tire and plays limiting displacement, prevent that the tire from taking place to shift and finally lead to the tire landing because of jolting and shaking in handling, the stability of tire when the transport has been improved.

When the clamping rod 47 expands outwards to be away from the tire, the clamping plate 56 moves inwards under the action of the tension spring 53, and finally the blocking rod 63 is driven to rotate to the initial state, so that the clamping plate 56 can be smoothly sleeved on the outer side of the tire, and the operation is simplified.

Example 3

Referring to fig. 11 to 13, substantially the same as embodiment 1, it is more preferable that a positioning mechanism 7 for facilitating disassembly and assembly is disposed between the connecting sleeve 51 and the clamping rod 47, the positioning mechanism 7 includes a groove 71 disposed in the clamping rod 47 and a positioning hole 77 disposed on the connecting sleeve 51, a screw 72 is rotatably mounted in the groove 71, a rotating handle 78 is fixed at one end of the screw 72 extending out of the groove 71, a moving block 74 is threadedly mounted on the screw 72, a guiding column 73 fixed to the groove 71 is slidably mounted on the moving block 74, a swinging rod 75 is rotatably mounted on the moving block 74, a positioning column 76 adapted to the positioning hole 77 is rotatably mounted at the other end of the swinging rod 75, and the positioning column 76 is slidably mounted on the clamping rod 47. Furthermore, a first limit ring 79 and a second limit ring 710 are respectively sleeved and fixed on two sides of the guide post 73 corresponding to the moving block 74.

In sum, the rotating handle 78 is rotated to drive the screw 72 to rotate, and then the moving block 74 is driven to move, the positioning column 76 can be driven to move towards the inside of the groove body 71 through the transmission of the oscillating bar 75 until the moving block 74 abuts against the first limiting ring 79, namely the rotating handle 78 cannot be rotated, at the moment, the positioning column 76 is separated from the positioning hole 77, and then the whole stabilizing mechanism 5 can be taken down, so that the maintenance or the replacement can be carried out, the reverse operation can be carried out, the rotating handle 78 is stopped to rotate when the moving block 74 abuts against the second limiting ring 710, the connecting sleeve 51 and the clamping rod 47 can be fixed, and the mounting and the dismounting between the stabilizing mechanism 5 and the clamping rod 47 can be facilitated.

The forklift disclosed by the invention has the advantages that the tire is convenient to load and unload, the labor cost can be reduced to a greater extent, the time and the labor are saved, and the stability of the tire during transportation is improved.

All kinds of parts used in this application file are standard parts, can purchase from the market, and the specific connected mode of each part all adopts conventional means such as ripe bolt, rivet and welding among the prior art, and machinery, part and electrical equipment all adopt conventional model among the prior art.

The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.

Claims

1. A forklift for tire loading and unloading, comprising a vehicle body (1), characterized in that: the tire clamping and rotating vehicle is characterized in that a propelling mechanism (2) is arranged on the vehicle body (1), a deflection lifting mechanism (3) is arranged on the propelling mechanism (2), and a rotary claw mechanism (4) for clamping and rotating a tire is arranged on the deflection lifting mechanism (3);

gyration jack catch mechanism (4) include base (41), rotate on base (41) and install back shaft (42), are fixed with triangular frame (44) on back shaft (42), all rotate on the three salient of triangular frame (44) and install and rotate shell arm (45), rotate and be fixed with kelly (47) on shell arm (45), and rotate and seted up logical groove (451) on shell arm (45), it installs four (46) hydraulic stem to rotate shell arm (45) internal rotation, and the other end of four (46) hydraulic stem passes logical groove (451) and rotates and install in triangular frame (44), be equipped with on base (41) and be used for driving back shaft (42) pivoted power portion (43).

2. A tire handling forklift as set forth in claim 1, wherein: the power part (43) comprises a motor (431) arranged on the base (41), a gear (432) is fixed at the output end of the motor (431), a gear ring (433) is meshed on the gear (432), and the gear ring (433) is fixed with the triangular frame (44).

3. A tire handling forklift as set forth in claim 1, wherein: the propelling mechanism (2) comprises a propelling frame (21) which is slidably mounted on the vehicle body (1), and a first hydraulic rod (22) for driving the propelling frame (21) to move is mounted on the vehicle body (1).

4. A tire handling forklift as set forth in claim 3, wherein: the deflection lifting mechanism (3) comprises a vertical frame (32) which is rotatably installed on the pushing frame (21), the base (41) is slidably installed on the vertical frame (32), a connecting seat (33) is fixed on the vertical frame (32), a second hydraulic rod (31) is rotatably installed in the connecting seat (33), the other end of the second hydraulic rod (31) is rotatably installed on the pushing frame (21), and a third hydraulic rod (34) used for driving the base (41) to lift is installed on the connecting seat (33).

5. A tire handling forklift as set forth in claim 1, wherein: be equipped with on kelly (47) and be used for improving the tire and press from both sides stabilizing mean (5) of getting stability, stabilizing mean (5) are fixed with backup pad (52) including installing adapter sleeve (51) on kelly (47) on adapter sleeve (51), and slidable mounting has a plurality of slide bars (55) on backup pad (52), and the inner of a plurality of slide bars (55) is fixed with same splint (56), and the outer end of a plurality of slide bars (55) all is fixed with plectane (54), extension spring (53) are established to the cover on slide bar (55), and extension spring (53) are fixed in between plectane (54) and backup pad (52), stabilizing mean (5) are still including preventing partial (6) that are used for preventing the tire skew landing.

6. A tire handling forklift as set forth in claim 5, wherein: the inner end of the clamping plate (56) is provided with rough lines.

7. A tire handling forklift as set forth in claim 5, wherein: prevent partially that portion (6) is equipped with two sets ofly, two sets ofly prevent that partially portion (6) is located the both sides of splint (56) respectively, every group prevent partially connecting rod (61) on portion (6) including being fixed in backup pad (52), rotate on connecting rod (61) and install pivot (62), pivot (62) are gone up the cover and are established and install pin (63), have seted up slide (64) on pin (63), are equipped with guide arm (65) in slide (64), and guide arm (65) are fixed with splint (56), opening (66) have been seted up to the position that corresponds pin (63) on backup pad (52).

8. A tire handling forklift as set forth in claim 5, wherein: be equipped with between adapter sleeve (51) and kelly (47) and be used for making things convenient for positioning mechanism (7) of dismouting, positioning mechanism (7) are including offering cell body (71) in kelly (47) and offering locating hole (77) on adapter sleeve (51), screw rod (72) are installed to cell body (71) internal rotation, and the one end that screw rod (72) stretched out cell body (71) is fixed with commentaries on classics handle (78), and threaded mounting has movable block (74) on screw rod (72), and slidable mounting has guide post (73) fixed with cell body (71) on movable block (74), and slidable mounting has pendulum rod (75) on movable block (74), and the other end of pendulum rod (75) is rotated and is installed reference column (76) with locating hole (77) looks adaptation, and reference column (76) slidable mounting is on kelly (47).

9. A tire handling forklift as set forth in claim 8, wherein: and a first limiting ring (79) and a second limiting ring (710) are respectively sleeved and fixed on two sides of the guide post (73) corresponding to the moving block (74).

10. A tire handling forklift as set forth in claim 1, wherein: and a reinforcing rib (48) for improving stability is fixed between the clamping rod (47) and the rotating shell arm (45).