CN220811778U - Safe and reliable type fork for forklift - Google Patents

Abstract

The utility model relates to the technical field of forklifts, in particular to a safe and reliable fork for a forklift, which comprises two forks of the forklift, a connecting plate, a connecting frame, an auxiliary fork, a driving piece and a blocking piece, wherein the driving piece is used for driving the auxiliary fork to horizontally move on the forks and comprises a connecting sleeve, a screw rod and a servo motor, and the blocking piece comprises a sliding block, a sliding pin and a spring. The auxiliary fork and the driving piece are arranged, the screw rod is rotated through the servo motor, and the connecting sleeve is driven to horizontally move in the through groove, so that the auxiliary fork stretches out or contracts, the length of the fork is ensured to adapt to the length of goods, and the connection of the screw rod and the connecting sleeve ensures that the auxiliary fork cannot slide down from the fork, so that safety is ensured.

Description

Safe and reliable type fork for forklift

Technical Field

The utility model relates to the technical field of forklifts, in particular to a safe and reliable fork for a forklift.

Background

The fork on the existing forklift is generally of a fixed length, when articles with longer lengths are inserted, the articles cannot be guaranteed to be always kept in a balanced state in the inserting process, the conventional technology is that auxiliary forks are sleeved on the fork to increase the length of the fork, but the auxiliary forks are only required to depend on friction force between the auxiliary forks and the fork, the auxiliary forks cannot slide off the fork, and safety cannot be guaranteed by simply depending on friction force when the articles are inserted.

Disclosure of utility model

The utility model aims to overcome the problems in the prior art and provide a safe and reliable fork for a forklift, which can realize the purpose of providing a forklift with higher safety.

In order to achieve the technical purpose and the technical effect, the utility model is realized by the following technical scheme:

The utility model provides a safe and reliable formula fork for fork truck, includes two forks of fork truck, still includes:

a connecting plate;

The two connecting frames are respectively fixedly connected to the two forks, the connecting plates penetrate through the two connecting plates and can freely slide, and clamping grooves for clamping the connecting plates are formed in the corresponding connecting frames;

The auxiliary fork is sleeved on the fork, a slot for the fork to be inserted in and capable of sliding freely is formed in the auxiliary fork, and a first inclined plane is formed at one end, far away from the fork, of the auxiliary fork;

The driving piece is used for driving the auxiliary fork to horizontally move on the fork and comprises a connecting sleeve, a screw rod and a servo motor, wherein the connecting sleeve is horizontally fixedly connected on the auxiliary fork, a through groove for the connecting sleeve to freely pass through is formed in the corresponding fork, the screw rod is arranged in the through groove, one end of the screw rod is inserted into the connecting sleeve and is in threaded connection with the connecting sleeve, and the servo motor is embedded on the connecting frame and is fixedly connected with the other end of the screw rod;

The material blocking piece comprises a sliding block, a sliding pin and a spring, wherein the sliding block is arranged at one end of the auxiliary fork, far away from the fork, a sliding groove for the sliding block to be clamped and capable of vertically and freely sliding is formed in the auxiliary fork, the sliding pin is fixedly connected to the sliding block and vertically penetrates out of the auxiliary fork, the spring is arranged in the sliding groove, one end of the spring is fixedly connected into the sliding groove, the other end of the spring is fixedly connected onto the sliding block, and a second inclined surface is arranged on one side of the sliding pin, which is adjacent to the first inclined surface.

Further, the pallet fork comprises a transmission part for driving the two pallet forks to move relatively.

Further, the driving medium includes pivot, worm wheel, worm, connecting seat, the connecting seat rigid coupling is on the connecting plate, the pivot level pierces through the connecting seat and rotates with the connecting seat to be connected, and its both ends are equipped with screw thread respectively and revolve first screw thread portion, the second screw thread portion opposite to, first screw thread portion, second screw thread portion pierce through two forks respectively and with fork threaded connection, the worm wheel is coaxial cup joint in the pivot, the worm level rotate connect on the connecting plate and with worm wheel meshing transmission, the worm is rotated by outside motor drive.

Further, the rolling bearing is embedded on the connecting seat, and the rotating shaft is inserted on the rolling bearing.

The utility model has the beneficial effects that: the auxiliary fork and the driving piece are arranged, the screw rod is rotated through the servo motor, the driving connecting sleeve horizontally moves in the through groove, so that the auxiliary fork stretches out or contracts, the length of the fork is guaranteed to be suitable for the length of goods, on the one hand, the connection of the screw rod and the connecting sleeve guarantees that the auxiliary fork cannot slide down from the fork, safety is guaranteed, the material blocking piece is arranged, in the fork taking process, the second inclined plane on the sliding pin and goods relatively slide, the sliding pin is driven to slide towards the bottom of the sliding groove, when the auxiliary fork completely stretches out of the outer side of the goods, the sliding pin loses the stress effect, the load slides above the sliding groove under the action of the spring, the goods is blocked, the goods is prevented from sliding from the auxiliary fork, the safety of the forklift is further improved, the driving piece is arranged to rotate through the external motor, the worm is driven to rotate, the worm wheel is driven to rotate, the rotating shaft is driven, the first threaded part and the second threaded part are in opposite directions and are in threaded connection with the fork, the distance between the two forks is adjusted, the fact that the two forks are relatively move, the goods are guaranteed to swing on the fork taking process, the worm wheel is further, the worm wheel is prevented from swinging on the fork is further, the worm wheel is moved relatively, the worm wheel is driven to move synchronously, and the two forks are simultaneously, and the two forks are driven to move synchronously, and the mechanical precision is synchronously, and the mechanical is prevented from moving.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure in the direction A in FIG. 1;

in the drawings, the components represented by the respective reference numerals are as follows:

The device comprises a 1-fork, a 2-connecting plate, a 3-connecting frame, a 4-clamping groove, a 5-auxiliary fork, a 6-inserting groove, a 7-first inclined plane, an 8-connecting sleeve, a 9-screw rod, a 10-servo motor, an 11-through groove, a 12-sliding block, a 13-sliding pin, a 14-spring, a 15-sliding groove, a 16-second inclined plane, a 17-worm wheel, a 18-worm, a 19-connecting seat, a 20-first threaded part and a 21-second threaded part.

Detailed Description

In order to make the technical means, the creation features, the achievement of the purposes and the effects achieved by the present utility model easy to understand, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

A safe and reliable fork for a forklift as shown in fig. 1-2, comprising two forks 1 of the forklift, further comprising:

the connecting plate 2 is fixed on the forklift in a screw connection or welding mode;

The two connecting frames 3 are respectively fixedly connected to the two forks 1, the connecting plates 2 penetrate through the two connecting plates 2 and can freely slide, and corresponding clamping grooves 4 for clamping the connecting plates 2 are formed in the connecting frames 3;

The auxiliary fork 5 is sleeved on the fork 1, a slot 6 for the fork 1 to be inserted in and capable of sliding freely is arranged on the auxiliary fork 5, a first inclined plane 7 is arranged at one end of the fork 1 far away from the fork 1, and the first inclined plane 7 is used for conveniently supporting the goods when the goods are taken in a forked mode;

The driving piece is used for driving the auxiliary fork 5 to horizontally move on the fork 1 and comprises a connecting sleeve 8, a screw rod 9 and a servo motor 10, wherein the connecting sleeve 8 is horizontally fixedly connected on the auxiliary fork 5, a through groove 11 for the connecting sleeve 8 to freely pass through is formed in the corresponding fork 1, the screw rod 9 is arranged in the through groove 11, one end of the screw rod 9 is inserted into the connecting sleeve 8 and is in threaded connection with the connecting sleeve 8, and the servo motor 10 is embedded on the connecting frame 3 and is fixedly connected with the other end of the screw rod 9;

The material blocking piece comprises a sliding block 12, a sliding pin 13 and a spring 14, wherein the sliding block 12 is arranged at one end of the auxiliary fork 5 far away from the fork 1, a sliding groove 15 for clamping the sliding block 12 and enabling the sliding block 12 to slide vertically and freely is formed in the auxiliary fork 5, the sliding pin 13 is fixedly connected to the sliding block 12 and vertically penetrates out of the auxiliary fork 5, the spring 14 is arranged in the sliding groove 15, one end of the spring is fixedly connected to the sliding groove 15, the other end of the spring is fixedly connected to the sliding block 12, and a second inclined surface 16 is arranged at one side of the sliding pin 13 adjacent to the first inclined surface 7.

The pallet fork further comprises a transmission part for driving the two pallet forks to move relatively.

The transmission piece comprises a rotating shaft, a worm wheel 17, a worm 18 and a connecting seat 19, wherein the connecting seat 19 is fixedly connected on the connecting plate 2, the rotating shaft horizontally penetrates through the connecting seat 19 and is in rotary connection with the connecting seat 19, two ends of the rotating shaft are respectively provided with a first threaded part 20 and a second threaded part 21 with opposite screw threads, the first threaded part 20 and the second threaded part 21 respectively penetrate through two forks 1 and are in threaded connection with the forks 1, the worm wheel 17 is coaxially sleeved on the rotating shaft, the worm 18 horizontally rotates and is connected on the connecting plate 2 and is in meshed transmission with the worm wheel 17, and the worm 18 is driven to rotate by an external motor.

The connecting seat 19 is embedded with a rolling bearing, the rotating shaft is inserted on the rolling bearing, and the rotating shaft is rotationally connected with the connecting seat 19 through the rolling bearing.

The utility model is used when in use: the connecting plate is fixed on an external forklift in a screw connection or welding mode, when the goods are taken by the forklift, an external power supply is connected, a servo motor is started, a driving screw rod rotates, a connecting sleeve horizontally moves in a through groove, an auxiliary fork moves on the fork, the auxiliary fork extends to the bottom of the goods, the outer wall of the goods and a second inclined plane on a sliding pin produce relative sliding in the extending process, the sliding pin is driven to slide towards the bottom of the sliding groove, when the auxiliary fork extends to the outer side of the goods, the sliding pin slides above the sliding groove under the action of a spring, the goods are blocked on the auxiliary fork, and the goods are transported to a formulated place by the forklift through the prior art, namely, the goods taking operation is completed.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (4)

1. The utility model provides a safe and reliable formula fork for fork truck, includes two forks (1) of fork truck, its characterized in that still includes:

A connection plate (2);

The two connecting frames (3) are arranged, the two connecting frames (3) are fixedly connected to the two forks (1) respectively, the connecting plates (2) penetrate through the two connecting plates (2) and can slide freely, and clamping grooves (4) for clamping the connecting plates (2) are formed in the corresponding connecting frames (3);

The auxiliary fork (5) is sleeved on the fork (1), a slot (6) for the fork (1) to be inserted in and capable of sliding freely is formed in the fork (1), and a first inclined surface (7) is formed at one end, far away from the fork (1), of the fork (1);

the driving piece is used for driving the auxiliary fork (5) to horizontally move on the fork (1), and comprises a connecting sleeve (8), a screw rod (9) and a servo motor (10), wherein the connecting sleeve (8) is horizontally fixedly connected to the auxiliary fork (5), a through groove (11) for the connecting sleeve (8) to freely pass through is formed in the corresponding fork (1), the screw rod (9) is arranged in the through groove (11), one end of the screw rod (9) is inserted into the connecting sleeve (8) and is in threaded connection with the connecting sleeve (8), and the servo motor (10) is embedded on the connecting frame (3) and is fixedly connected with the other end of the screw rod (9);

The material blocking piece comprises a sliding block (12), a sliding pin (13) and a spring (14), wherein the sliding block (12) is arranged at one end of the auxiliary fork (5) far away from the pallet fork (1), a sliding groove (15) for the sliding block (12) to be clamped and capable of vertically and freely sliding in is formed in the sliding block (12) correspondingly on the auxiliary fork (5), the sliding pin (13) is fixedly connected to the sliding block (12) and vertically penetrates out of the auxiliary fork (5), the spring (14) is arranged in the sliding groove (15), one end of the spring is fixedly connected to the sliding groove (15), the other end of the spring is fixedly connected to the sliding block (12), and a second inclined surface (16) is arranged on one side, adjacent to the first inclined surface (7), of the sliding pin (13).

2. A safety and reliable pallet fork for a forklift as claimed in claim 1, further comprising a transmission member for driving the two pallet forks to move relative to each other.

3. The fork for the forklift truck according to claim 2, wherein the transmission part comprises a rotating shaft, a worm wheel (17), a worm (18) and a connecting seat (19), the connecting seat (19) is fixedly connected to the connecting plate (2), the rotating shaft horizontally penetrates through the connecting seat (19) and is rotationally connected with the connecting seat (19), two ends of the rotating shaft are respectively provided with a first threaded part (20) and a second threaded part (21) with opposite screw threads, the first threaded part (20) and the second threaded part (21) respectively penetrate through two forks (1) and are in threaded connection with the forks (1), the worm wheel (17) is coaxially sleeved on the rotating shaft, the worm (18) is horizontally rotationally connected to the connecting plate (2) and is in meshed transmission with the worm wheel (17), and the worm (18) is driven to rotate by an external motor.

4. A fork for a forklift according to claim 3, characterized in that the connection base (19) is fitted with a rolling bearing, and the shaft is inserted in the rolling bearing.