CN215516526U - Forklift truck - Google Patents

Abstract

The application relates to a forklift, belonging to the field of carrying equipment; the forklift comprises a frame body and a fork mechanism connected to the frame body in a sliding manner, and a driving assembly for driving the fork mechanism to lift is connected between the fork mechanism and the frame body; the frame body comprises a movable base and an upright post fixed on the movable base, and the fork mechanism comprises a connecting frame and two arm forks fixed on the connecting frame; the link is fixed with the movable frame, and the movable frame surrounds and sets up in the stand, and the movable frame internal rotation is installed and is used for making the link along the gliding roller of stand. The utility model provides a fork truck has avoided the fluting processing to the stand through setting up the roller in the stand outside, is favorable to making the stand to keep good structural strength, reduces the possibility that the goods handling in-process stand pressurized deformation.

Description

Forklift truck

Technical Field

The application relates to the field of carrying equipment, in particular to a forklift.

Background

Fork truck is that the suitability is strong, simple operation's transportation equipment, generally is applied to the goods transport in workshop.

Referring to fig. 1, the related art discloses a forklift truck, which includes a truck frame body 1 and a fork mechanism 2 slidably mounted on the truck frame body 1, wherein a driving assembly 3 for driving the fork mechanism 2 to lift is connected between the fork mechanism 2 and the truck frame body 1; the fork mechanism 2 comprises two arm forks 22, wherein the connecting frame 21 is fixed on the connecting frame 21, the two sides of the connecting frame 21 are respectively rotatably provided with a roller 23, and the frame body 1 is provided with a sliding groove 121 for the movement of the roller 23.

In view of the above-mentioned related art, the inventors consider that the following drawbacks exist:

the fork mechanism is arranged on the frame body in a sliding manner through the matching of the roller and the sliding groove, so that the driving assembly can drive the fork mechanism to lift; however, set up the spout at the frame body, will lead to the fact the structural strength of frame body to reduce, the condition that the pressurized deformation probably appears in the frame body among the cargo handling process, influences fork truck's normal use.

SUMMERY OF THE UTILITY MODEL

In order to reduce the possibility that frame body compression warp, this application provides a fork truck.

The application provides a fork truck adopts following technical scheme:

a forklift comprises a frame body and a fork mechanism connected to the frame body in a sliding manner, wherein a driving assembly for driving the fork mechanism to lift is connected between the fork mechanism and the frame body; the frame body comprises a movable base and an upright post fixed on the movable base, and the fork mechanism comprises a connecting frame and two arm forks fixed on the connecting frame; the link is fixed with the movable frame, the movable frame surrounds and sets up in the stand, the movable frame internal rotation is installed and is used for making the link along the gliding roller of stand.

By adopting the technical scheme, the connecting frame is arranged behind the stand column in a surrounding mode through the movable frame, the roller shaft on the inner side of the movable frame can abut against the stand column, and when the driving assembly drives the fork mechanism to lift, the roller shaft can abut against the stand column to roll, so that the connecting frame and the two arm forks are driven to lift together and lift the goods; the utility model provides a fork truck has avoided the fluting processing to the stand, is favorable to making the stand keep good structural strength, reduces the possibility that the stand pressurized warp among the cargo handling process, extension fork truck's life.

Optionally, two roll shafts are arranged, and the two roll shafts are respectively located on one side of the upright column close to/far from the connecting frame; each roll shaft is abutted against the upright column.

By adopting the technical scheme, the two roll shafts are respectively abutted against the two opposite sides of the upright post, so that the fork mechanism can stably move along the extension direction of the upright post, and a good limiting effect is achieved; in addition. And rolling friction is formed between the two roller shafts and the stand column, so that the friction resistance generated between the movable frame and the stand column when the movable frame moves can be effectively reduced, and the stability of the pallet fork mechanism when the pallet fork mechanism moves is further improved.

Optionally, the two roll shafts are arranged along the extending direction of the upright post in a staggered manner.

Through adopting foretell technical scheme, after fork truck used a period, when the stand appears local protrusion or local sunken, two roller messenger movable frame and link that the dislocation set up can take place to deflect for the stand to play certain compensation, make the movable frame can pass through local deformation's region smoothly, be favorable to fork truck's normal use.

Optionally, a moving groove is formed in the outer side of the movable frame, one of the two roll shafts is a movable roll, and the movable roll is movably mounted in the moving groove; and a spring is connected between the movable roller and the connecting frame, and the spring enables the movable roller to normally abut against the upright post.

By adopting the technical scheme, the movable roller is normally abutted against the upright post under the action of the spring, so that the movable roller and the roller shaft can be abutted against the upright post together; when the local area deformation amount of the upright post is too large and the movable frame passes through the area with the larger deformation amount, the movable roller can move along the moving groove in the direction away from the upright post, so that the area with the larger deformation amount on the upright post is avoided, the possibility of blocking or jamming of the fork mechanism during lifting is further reduced, and the normal use of the forklift is facilitated.

Optionally, one side of the moving groove close to the upright post is arranged to be inclined downwards relative to one side of the moving groove far away from the upright post.

Through adopting foretell technical scheme, keep away from one side downward sloping setting of stand for the shifting chute through the one side that is close to the stand with the shifting chute, when fork truck carried the goods, goods and fork mechanism have the trend along the shifting chute downstream under the action of gravity, and then make the movable roller can support tight stand, appear the possibility of rocking when being favorable to reducing fork mechanism and going up and down, improve the stability that fork mechanism goes up and down.

Optionally, the end of the movable roller is rotatably connected with a limiting block, and the limiting block is slidably mounted in the moving groove and used for driving the movable roller to move along the moving groove; the spring is connected between the limiting block and the connecting frame; the outside of activity frame is fixed with the locking piece, the locking piece is located the outside of shifting chute, install the fastener that is used for fixing a position the activity roller between stopper and the locking piece.

Through adopting foretell technical scheme, when fork truck carried the goods, through using the fastener with stopper and locking piece fixed connection, can play the effect of location activity roller, restricted the arbitrary removal of activity roller at the shifting chute, the continuous possibility of rocking of fork mechanism when can reducing fork truck carried the goods.

Optionally, the movable base is provided with a support frame, and the support frame is located below the movable frame; when the movable frame is abutted against the supporting frame, the arm fork is close to the ground.

By adopting the technical scheme, the support frame is arranged for limiting the moving range of the movable frame; the movable frame can enable the arm fork to be close to the ground when abutting against the supporting frame, and friction and collision between the arm fork and the ground are reduced.

Optionally, the driving assembly comprises a hydraulic cylinder fixed on the movable base and a chain movably connected to the outer side of a piston rod of the hydraulic cylinder; one end of the chain is connected with the support frame, and the other end of the chain is connected with the connecting frame.

Through adopting foretell technical scheme, through the operation of control pneumatic cylinder, the piston rod of pneumatic cylinder can drive the chain and remove to the piston rod that makes the link of connecting in chain one end follow the pneumatic cylinder removes, and then drives whole fork mechanism and goes up and down.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the roller shaft is arranged on the outer side of the upright column, so that slotting processing of the upright column is avoided, the upright column is favorable for keeping good structural strength, and the possibility of compression deformation of the upright column in the process of carrying goods is reduced;

2. the two roll shafts are arranged along the extending direction of the upright post in a staggered manner, so that the movable frame can smoothly pass through a local deformation area when passing through the local deformation area, and normal use of the forklift is facilitated;

3. through setting up the shifting chute, when the movable frame passes through the great region of deformation volume, the movable roll can remove to the direction of keeping away from the stand along the shifting chute to avoid leaving the great region of deformation volume on the stand, block or the dead possibility of card when further reducing fork mechanism and going up and down.

Drawings

FIG. 1 is an overall structural view of a comparison document;

FIG. 2 is an overall structural view of embodiment 1 of the present application;

FIG. 3 is an overall structural view in another direction of embodiment 1 of the present application;

FIG. 4 is an enlarged view at A in FIG. 2;

FIG. 5 is an enlarged view at B in FIG. 3;

fig. 6 is an overall structural view of embodiment 2 of the present application;

fig. 7 is an enlarged view at C in fig. 6.

Description of reference numerals: 1. a frame body; 11. moving the base; 111. a support frame; 112. a drive wheel; 12. a column; 121. a chute; 2. a fork mechanism; 21. a connecting frame; 211. a movable frame; 2111. a moving groove; 2112. a locking block; 2113. a fastener; 212. a roll shaft; 2121. a movable roller; 2122. a limiting block; 213. a spring; 22. an arm fork; 23. a roller; 3. a drive assembly; 31. a hydraulic cylinder; 32. a chain; 33. a sprocket; 34. a pressure pedal; 35. and (4) releasing the valve.

Detailed Description

The present application is described in further detail below with reference to figures 2-7.

Example 1:

the embodiment of the application discloses a forklift.

Referring to fig. 2, the forklift comprises a frame body 1, a fork mechanism 2 and a driving assembly 3, wherein the fork mechanism 2 is connected to a stand column 12 in a sliding manner and used for enabling the fork mechanism 2 to lift and lower along the extension direction of the stand column 12; the driving assembly 3 is connected between the frame body 1 and the fork mechanism 2 and used for providing lifting power for the fork mechanism 2.

Referring to fig. 2 and 3, the frame body 1 includes a movable base 11 and two upright posts 12 fixed on the upper surface of the movable base 11; the moving base 11 is provided with a driving wheel 112 for conveniently pushing the frame body 1 to move; the two upright columns 12 are respectively and vertically fixed on the upper surface of the movable base 11, and the two upright columns 12 are arranged at intervals along the width direction of the movable base 11; the upright 12 in this embodiment is provided as square steel welded to the movable base 11.

Referring to fig. 2 and 3, the fork mechanism 2 includes a connecting frame 21 and two arm forks 22 fixed to the connecting frame 21, two movable frames 211 are fixed to one side of the connecting frame 21 away from the arm forks 22, and the two movable frames 211 are respectively disposed around the upright 12 in an enclosing manner.

Referring to fig. 4 and 5, two roller shafts 212 are installed in the movable frame 211, wherein one roller shaft 212 abuts against one side of the upright post 12 close to the connecting frame 21, and the other roller shaft 212 abuts against one side of the upright post 12 away from the connecting frame 21; the two rollers 212 can jointly clamp the upright 12, so that the moving frame can move along the extension direction of the upright 12, and further the connecting frame 21 and the two arm forks 22 can move along the extension direction of the upright 12.

Referring to fig. 4 and 5, in the present application, two roller shafts 212 are disposed along the extending direction of the vertical column 12 in a staggered manner, in this embodiment, specifically, the roller shaft 212 close to the connecting frame 21 is disposed at the lower portion of the movable frame 211, and the roller shaft 212 far away from the connecting frame 21 is disposed at the upper portion of the movable frame 211, so that the distance between the two roller shafts 212 is greatly increased, the two roller shafts 212 can deflect relative to the vertical column 12 when the movable frame passes through the local deformation region of the vertical column 12, and then the movable frame 211 can smoothly pass through the local deformation region, which is beneficial to the normal use of the forklift.

Referring to fig. 3 and 5, a support frame 111 is fixed on the upper surface of the movable base 11, the support frame 111 is located on one side of the upright post 12 departing from the arm fork 22, and the support frame 111 is located right below the movable frame 211. The support frame 111 is used for positioning the lowest position at which the movable frame 211 moves, and further positioning the lowest positions at which the connecting frame 21 and the two arm forks 22 move, when the movable frame 211 abuts against the support frame 111, the two arm forks 22 are close to the ground, the situation that the ground is scratched due to collision between the arm forks 22 and the ground can be reduced, and meanwhile, the arm forks 22 can fork the goods and carry the goods conveniently.

Referring to fig. 2 and 3, the driving assembly 3 includes a hydraulic cylinder 31 and a chain 32, wherein the hydraulic cylinder 31 is fixed on the upper surface of the movable base 11, a piston rod of the hydraulic cylinder 31 is disposed upward and vertically fixed with a connecting rod, and two ends of the connecting rod are respectively provided with a sprocket 33. A pressure pedal 34 is connected to the outer side of the hydraulic cylinder 31, and the hydraulic cylinder 31 can be pressurized by stepping on the pressure pedal 34, so that a piston rod of the hydraulic cylinder 31 extends outwards; a relief valve 35 is also installed in the middle of the hydraulic cylinder 31, and the pressure inside the hydraulic cylinder 31 can be reduced by the relief valve 35, so that the piston rod of the hydraulic cylinder 31 is retracted inward.

Referring to fig. 2 and 3, two chains 32 are provided, and the two chains 32 respectively abut against the two sprockets 33; one end of the chain 32 is fixedly connected to the support frame 111, and the end of the chain 32 away from the support frame 111 is fixedly connected to the connecting frame 21. The link of chain 32 and support frame 111 is the stiff end, and the link of chain 32 and link 21 is the expansion end, and when pneumatic cylinder 31 moved, the piston rod of pneumatic cylinder 31 can drive chain 32 and reciprocate along vertical direction, and then made the expansion end pulling link 21 of chain 32 and two arm forks 22 reciprocate, played the effect of transport goods.

The implementation principle of the embodiment 1 of the application is as follows:

after the connecting frame 21 is surrounded and arranged on the upright post 12 through the movable frame 211, the two roll shafts 212 respectively abut against two opposite sides of the upright post 12, so that a good limiting effect can be achieved; meanwhile, the roll shaft 212 is arranged on the outer side of the upright 12, so that grooving of the upright 12 is avoided, the upright 12 is kept with good structural strength, and the possibility of compression deformation of the upright 12 in the process of cargo handling is reduced. When the hydraulic cylinder 31 drives the connecting frame 21 and the two arm forks 22 to move up and down, the two roller shafts 212 can roll along the extension direction of the upright 12 against the upright 12, so that the friction resistance between the roller shafts 212 and the upright 12 is reduced, and the up and down movement of the connecting frame 21 and the two arm forks 22 is facilitated.

Example 2:

the embodiment of the application discloses a forklift.

Referring to fig. 6 and 7, a forklift disclosed in the embodiment of the present application is different from embodiment 1 in that:

in this embodiment, the roller shaft 212 close to the connecting frame 21 in the two roller shafts 212 is set as a movable roller 2121, and two ends of the movable roller 2121 are respectively rotatably connected with a limiting block 2122; the movable frame 211 and the connecting frame 21 have moving grooves 2111 formed on both sides thereof, respectively, and the stopper 2122 is movably installed in the moving grooves 2111 to allow the movable roller 2121 to move in the direction in which the moving grooves 2111 extend. When the two roller shafts 212 pass through the region of the upright 12 where the amount of deformation is large, the movable roller 2121 can move in the direction away from the upright 12 along the moving groove 2111, thereby avoiding the region of the upright 12 where the amount of deformation is large and reducing the possibility of jamming or jamming when the fork mechanism 2 is lifted.

Referring to fig. 6 and 7, in the embodiment, a side of the moving slot 2111 close to the upright 12 is inclined downward relative to a side of the moving slot 2111 away from the upright 12, so that the arm fork 22 and the goods can drive the movable roller 2121 to abut against the upright 12 under the action of gravity when the forklift carries the goods; in addition, a spring 213 is further installed between the limiting block 2122 and the movable frame 211, and the spring 213 has a force that normally makes the movable roller 2121 abut against the upright 12; both can reduce the possibility that appears rocking when arm fork 22 and link 21 go up and down, improve the stability when arm fork 22 and link 21 go up and down.

Referring to fig. 6 and 7, a locking piece 2112 is fixed on the outer side of the movable frame 211, and the locking piece 2112 is located below the moving slot 2111; a fastener 2113 for positioning the limiting block 2122 is fixed at the bottom of the locking block 2112, and the fastener 2113 in the embodiment is a bolt; after the arm fork 22 and the connecting frame 21 lift the goods to a certain height, the fastener 2113 is used for fixedly connecting the limiting block 2122 and the locking block 2112, so that the position of the movable roller 2121 in the moving groove 2111 can be positioned, the possibility that the movable roller 2121 slides randomly in the moving groove 2111 is reduced, the possibility that the fork truck carries the goods arm fork 22 and the connecting frame 21 to shake continuously is further reduced, and the stability of the arm fork 22 and the connecting frame 21 is further improved.

The above is a preferred embodiment of the present application, and the scope of protection of the present application is not limited by the above, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A forklift comprises a forklift frame body (1) and a fork mechanism (2) connected to the forklift frame body (1) in a sliding manner, wherein a driving assembly (3) for driving the fork mechanism (2) to lift is connected between the fork mechanism (2) and the forklift frame body (1); the method is characterized in that: the frame body (1) comprises a movable base (11) and an upright post (12) fixed on the movable base (11), and the fork mechanism (2) comprises a connecting frame (21) and two arm forks (22) fixed on the connecting frame (21); the connecting frame (21) is fixed with movable frame (211), movable frame (211) surround and set up in stand (12), movable frame (211) internal rotation is installed and is used for making connecting frame (21) along the gliding roller (212) of stand (12).

2. The lift truck of claim 1, wherein: the number of the roll shafts (212) is two, and the two roll shafts (212) are respectively positioned on one side, close to/far away from the connecting frame (21), of the upright post (12); each roll shaft (212) is abutted against the upright column (12).

3. The lift truck of claim 2, wherein: the two roll shafts (212) are arranged along the extending direction of the upright post (12) in a staggered mode.

4. The forklift according to any one of claims 1 to 3, wherein: a moving groove (2111) is formed in the outer side of the movable frame (211), one roll shaft (212) of the two roll shafts (212) is set as a movable roll (2121), and the movable roll (2121) is movably mounted in the moving groove (2111); a spring (213) is connected between the movable roller (2121) and the movable frame (211), and the spring (213) enables the movable roller (2121) to normally abut against the upright post (12).

5. The lift truck of claim 4, wherein: one side of the moving groove (2111) close to the upright post (12) is arranged obliquely downwards relative to one side of the moving groove (2111) far away from the upright post (12).

6. The lift truck of claim 4, wherein: the end part of the movable roller (2121) is rotatably connected with a limiting block (2122), and the limiting block (2122) is slidably arranged in the moving groove (2111) and is used for driving the movable roller (2121) to move along the moving groove (2111); the spring (213) is connected between the limiting block (2122) and the movable frame (211); the outside of activity frame (211) is fixed with locking piece (2112), locking piece (2112) are located the outside of shifting chute (2111), install fastener (2113) that are used for fixing a position activity roller (2121) between stopper (2122) and locking piece (2112).

7. The lift truck of claim 1, wherein: the movable base (11) is provided with a support frame (111), and the support frame (111) is positioned below the movable frame (211); when the movable frame (211) abuts against the support frame (111), the arm fork (22) is close to the ground.

8. The lift truck of claim 7, wherein: the driving assembly (3) comprises a hydraulic cylinder (31) fixed on the movable base (11) and a chain (32) movably connected to the outer side of a piston rod of the hydraulic cylinder (31); one end of the chain (32) is connected with the support frame (111), and the other end is connected with the connecting frame (21).

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