CN211110905U

CN211110905U - Fork truck fork with adjust length function

Info

Publication number: CN211110905U
Application number: CN201922309342.2U
Authority: CN
Inventors: 张义平
Original assignee: Yunxiao Changliang Industry And Trade Co ltd
Current assignee: Yunxiao Changliang Industry And Trade Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-07-28
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a fork truck fork with adjust length function, including fork main part, inner bearing, connecting axle and bolt and nut group, inside and the inner bearing outer lane welded fastening in fork main part bottom, limiting plate and steadying plate welded fastening, and limiting plate and steadying plate all laminate with the fork main part is inboard to the terminal welded fastening of steadying plate is at activity jaw avris, the connecting axle is installed to fork main part horizontal segment end, the overhead constant head tank that has seted up of activity fork, and the second mounting hole has been seted up to the constant head tank bottom surface to second mounting hole and bolt and nut group interconnect. This fork truck fork with adjust length function adopts neotype structural design for the length of fork substructure can extend in this device, increases the area of contact bottom large-scale tray or goods, guarantees the stability of transportation, and extends fixed simple operation, and work efficiency is high, need not to change heavy fork or call large-scale fork truck.

Description

Fork truck fork with adjust length function

Technical Field

The utility model relates to a fork truck fork technical field specifically is a fork truck fork with adjust length function.

Background

The forklift is a storage transfer transport vehicle used in the industrial production process, and can load, unload, stack and transport large goods or finished goods using trays in short distance, the fork is 2 'L' metal structures arranged on a door frame of the forklift, and the forklift mainly realizes the operations of hoisting, transferring, lifting, stacking and the like on the goods through the fork.

With the continued use of forklift forks, the following problems have been found during the transfer of goods by the forks:

the existing fork of the forklift is of a solid metal structure, the length of the horizontal part of the bottom of the fork can not be adjusted, when a tray or a cargo with a large size is lifted, the contact area of the fork with the tray or the cargo is small, the stability of the tray or the cargo in the transportation process can not be guaranteed, the fork with the large size needs to be replaced or the forklift needs to be directly replaced, the speed is low, and the working efficiency is low.

It is therefore desirable to design a forklift fork with length adjustment in response to the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fork truck fork with adjust length function to the length that proposes fork bottom horizontal part in solving above-mentioned background art can not be adjusted, and the stability of tray or goods in the transportation is not enough, changes the great fork of size or directly changes fork truck, and speed is slow, problem that work efficiency is low.

In order to achieve the above object, the utility model provides a following technical scheme: a fork of a forklift truck with a length adjusting function comprises a fork main body, an inner bearing, a connecting shaft and a bolt and nut group, the inner part of the bottom end of the fork main body is welded and fixed with the outer ring of the inner bearing, the inner ring of the inner bearing is welded and fixed with the outer side of the adjusting threaded cylinder, the inner side of the adjusting threaded cylinder is jointed with the fixed threaded rod, the tail end of the fixed threaded rod is welded and fixed on the side of the limit plate, the limiting plate and the stabilizing plate are welded and fixed, and the limiting plate and the stabilizing plate are both attached to the inner side of the fork main body, the tail end of the stabilizing plate is welded and fixed on the side of the movable fork head, the tail end of the horizontal part of the fork main body is provided with a connecting shaft, the connecting shaft is connected with the clamping plate, and the clamping plate is provided with a first mounting hole, the movable fork head is provided with a positioning groove, the bottom surface of the positioning groove is provided with a second mounting hole, and the second mounting hole is connected with the bolt and nut group.

Preferably, the adjusting thread cylinder and the fork main body form a rotating mechanism through an inner bearing, a hexagonal hole is formed in the tail end of the adjusting thread cylinder, the adjusting thread cylinder is symmetrically distributed about the center of the fork main body, and meanwhile threads on the inner side of the adjusting thread cylinder are tightly attached to the fixed threaded rod.

Preferably, the front-view section shapes of the limiting plate and the stabilizing plate are horizontally arranged in a T shape, and the limiting plate and the stabilizing plate are in sliding connection with the fork main body.

Preferably, the clamping plates and the fork main body form a rotating mechanism through a connecting shaft, and the clamping plates are symmetrically distributed on the upper end face and the lower end face of the fork main body.

Preferably, the edge of the clamping plate and the upper end face and the lower end face of the fork main body are located on the same horizontal plane, and the length of the clamping plate is larger than that of the groove structure of the attaching portion of the limiting plate in the fork main body.

Preferably, the positioning grooves are symmetrically distributed about the second mounting hole, and the positioning grooves and the second mounting hole are vertically distributed.

Compared with the prior art, the beneficial effects of the utility model are that: the forklift fork with the length adjusting function adopts a novel structural design, so that the length of a fork bottom structure in the device can be extended, the contact area with a large tray or the bottom of goods is increased, the transportation stability is ensured, the extending and fixing operation is convenient and fast, the working efficiency is high, and the heavy fork does not need to be replaced or a large forklift needs to be called;

1. the structure consisting of the inner bearing, the adjusting threaded cylinder, the fixed threaded rod, the limiting plate and the stabilizing plate can stably drive the movable fork head to extend out, and can ensure the stability of the connection of the movable fork head and the fork main body;

2. connecting axle, clamp plate, first mounting hole, constant head tank, second mounting hole and bolt and nut group work of mutually supporting can be connected the activity jaw and fork main part stable fixed, guarantee that the activity jaw can not rock about or warp from top to bottom.

Drawings

FIG. 1 is a schematic view of the front cross-sectional structure of the movable fork head of the present invention in a contracted state;

FIG. 2 is a schematic view of the front cross-sectional structure of the movable fork head of the present invention in an extended state;

FIG. 3 is a schematic side view of a cross-sectional structure of a stabilizer plate according to the present invention;

fig. 4 is a schematic view of the side view structure of the end of the adjusting screw thread cylinder of the present invention.

In the figure: 1. a fork body; 2. an inner bearing; 3. adjusting the threaded cylinder; 4. fixing a threaded rod; 5. a limiting plate; 6. a stabilizing plate; 7. a movable jaw; 8. a connecting shaft; 9. a clamping plate; 10. a first mounting hole; 11. positioning a groove; 12. a second mounting hole; 13. and a bolt and nut set.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a forklift fork with a length adjusting function comprises a fork main body 1, an inner bearing 2, an adjusting threaded cylinder 3, a fixed threaded rod 4, a limiting plate 5, a stabilizing plate 6, a movable fork head 7, a connecting shaft 8, a clamping plate 9, a first mounting hole 10, a positioning groove 11, a second mounting hole 12 and a bolt and nut group 13, wherein the inner part of the bottom end of the fork main body 1 is welded and fixed with the outer ring of the inner bearing 2, the inner ring of the inner bearing 2 is welded and fixed with the outer side of the adjusting threaded cylinder 3, the inner side of the adjusting threaded cylinder 3 is attached to the fixed threaded rod 4, the tail end of the fixed threaded rod 4 is welded and fixed on the lateral side of the limiting plate 5, the limiting plate 5 is welded and fixed with the stabilizing plate 6, the limiting plate 5 and the stabilizing plate 6 are both attached to the inner side of the fork main body 1, the tail end of the connecting shaft 6 is welded and fixed on the lateral side 7 of the movable, and the clamping plate 9 is provided with a first mounting hole 10, the movable fork head 7 is provided with a positioning groove 11, the bottom surface of the positioning groove 11 is provided with a second mounting hole 12, and the second mounting hole 12 is mutually connected with a bolt and nut group 13.

In the embodiment, the adjusting threaded cylinder 3 and the pallet fork main body 1 form a rotating mechanism through the inner bearing 2, the tail end of the adjusting threaded cylinder 3 is provided with a hexagonal hole, the adjusting threaded cylinder 3 is distributed symmetrically about the center of the pallet fork main body 1, and the threads on the inner side of the adjusting threaded cylinder 3 are tightly attached to the fixed threaded rod 4;

the front-view section shapes of the limiting plate 5 and the stabilizing plate 6 are horizontally arranged in a T shape, the limiting plate 5 and the stabilizing plate 6 are in sliding connection with the fork main body 1, the limiting plate 5 and the stabilizing plate 6 can stably slide and displace in the fork main body 1 under the pushing of the fixed threaded rod 4 due to the structural design, the movable fork head 7 is driven to be far away from the fork main body 1, and the limiting plate 5 and the stabilizing plate 6 are ensured not to slip off from the fork main body 1 due to the shape design;

the clamping plate 9 and the fork main body 1 form a rotating mechanism through the connecting shaft 8, and the clamping plate 9 is symmetrically distributed on the upper end surface and the lower end surface of the fork main body 1, so that the clamping plate 9 can rotate to be matched with a positioning structure on the movable fork head 7 after the movable fork head 7 is far away from the fork main body 1, and the position of the movable fork head 7 is fixed;

the edge of the clamping plate 9 and the upper end face and the lower end face of the fork main body 1 are located on the same horizontal plane, the length of the clamping plate 9 is larger than that of a groove structure of the part, attached to the limiting plate 5, of the interior of the fork main body 1, the clamping plate 9 cannot obstruct the normal goods transferring function of the fork main body 1 after rotating due to the structural design, a pallet and goods cannot be obstructed when sliding relative to the fork main body 1, and the length design ensures that the clamping plate 9 can be stably aligned and contacted with a positioning groove 11 in the fork main body 1;

the positioning grooves 11 are symmetrically distributed about the second mounting holes 12, the positioning grooves 11 and the second mounting holes 12 are vertically distributed, and the clamping plate 9 and the positioning grooves 11 can be fixedly connected with the movable fork head 7 through the second mounting holes 12 and the bolt and nut set 13 after being attached.

The working principle is as follows: the mounting structure of the top of the vertical part of the fork body 1 in the device is the same as that of the prior fork, is mature in the prior art, is well known by persons skilled in the art, and is not described in detail;

when the device is used for transferring large-size trays or goods, 2 hexagonal plates are inserted into the hexagonal holes at the tail ends of the adjusting threaded cylinders 3 in the figure 4, simultaneously rotating 2 hexagonal plates in the same direction to drive 2 adjusting thread cylinders 3 to simultaneously rotate in the same direction, the adjusting thread cylinders 3 independently rotate under the action of the inner bearing 2, pushing the fixed threaded rod 4 in the fork body 1 to move horizontally rightwards by utilizing the inner side threads, pushing the limiting plate 5 and the stabilizing plate 6 to slide rightwards in the inner groove of the fork body 1 by the fixed threaded rod 4, driving the movable fork head 7 to be far away from the fork body 1 to the state shown in the figure 2 by the stabilizing plate 6, contacting the limiting plate 5 with the right side of the higher groove in the fork body 1, changing the state that the movable fork head 7 is attached to the right side of the fork body 1 from the state shown in the figure 1 to the state shown in the figure 2, stopping rotating the adjusting threaded cylinder 3, and taking down the hexagonal wrench;

subsequently, the bolt and nut set 13 is detached from the

positioning groove

11, 2 clamping plates 9 in fig. 1 are reversely turned for 180 degrees to a state shown in fig. 2, the 2 clamping plates 9 are attached to the positioning groove 11, the first mounting holes 10 on the clamping plates 9 are aligned to the second mounting holes 12, the clamping plates 9 and the movable fork heads 7 are fixed by the bolt and nut set 13, and under the connecting and fixing effects of the stabilizing plate 6 and the clamping plates 9, the movable fork heads 7 are stable and can bear large force, so that the forklift can be operated to transfer and transport pallets or goods.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fork truck fork with adjust length function, includes fork main part (1), inner bearing (2), connecting axle (8) and bolt and nut group (13), its characterized in that: the bottom end of the fork main body (1) is internally welded and fixed with the outer ring of the inner bearing (2), the inner ring of the inner bearing (2) is welded and fixed with the outer side of the adjusting threaded cylinder (3), the inner side of the adjusting threaded cylinder (3) is attached to the fixed threaded rod (4), the tail end of the fixed threaded rod (4) is welded and fixed on the side of the limiting plate (5), the limiting plate (5) is welded and fixed with the stabilizing plate (6), the limiting plate (5) and the stabilizing plate (6) are both attached to the inner side of the fork main body (1), the tail end of the stabilizing plate (6) is welded and fixed on the side of the movable fork head (7), the tail end of the horizontal part of the fork main body (1) is provided with the connecting shaft (8), the connecting shaft (8) is connected with the clamping plate (9), the clamping plate (9) is provided with the first mounting hole (10), the positioning groove (11), and a second mounting hole (12) is formed in the bottom surface of the positioning groove (11), and the second mounting hole (12) is connected with the bolt and nut group (13).

2. The forklift fork with the function of adjusting length as recited in claim 1, wherein: adjusting a screw thread section of thick bamboo (3) and fork main part (1) through inner bearing (2) constitution slewing mechanism, and adjusting a screw thread section of thick bamboo (3) end and seted up the hexagonal hole to adjusting a screw thread section of thick bamboo (3) and about fork main part (1) central symmetry distribution, adjusting a screw thread section of thick bamboo (3) inboard screw thread simultaneously and closely laminating with fixed threaded rod (4).

3. The forklift fork with the function of adjusting length as recited in claim 1, wherein: the front-view section shapes of the limiting plate (5) and the stabilizing plate (6) are horizontally arranged in a T shape, and the limiting plate (5) and the stabilizing plate (6) are in sliding connection with the fork main body (1).

4. The forklift fork with the function of adjusting length as recited in claim 1, wherein: the clamping plates (9) and the fork main body (1) form a rotating mechanism through the connecting shaft (8), and the clamping plates (9) are symmetrically distributed on the upper end face and the lower end face of the fork main body (1).

5. The forklift fork with the function of adjusting length as recited in claim 1, wherein: the edge of the clamping plate (9) and the upper end face and the lower end face of the fork main body (1) are both located on the same horizontal plane, and the length of the clamping plate (9) is larger than that of a groove structure of the portion, attached to the limiting plate (5), of the interior of the fork main body (1).

6. The forklift fork with the function of adjusting length as recited in claim 1, wherein: the positioning grooves (11) are symmetrically distributed relative to the second mounting hole (12), and the positioning grooves (11) and the second mounting hole (12) are vertically distributed.