CN113683019A

CN113683019A - Anti-toppling forklift

Info

Publication number: CN113683019A
Application number: CN202111008985.9A
Authority: CN
Inventors: 周庆
Original assignee: Changshu Benze Textile Co ltd
Current assignee: Changshu Benze Textile Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2021-11-23

Abstract

The invention discloses an anti-toppling forklift, which comprises a forklift body and a portal frame arranged at the front part of the forklift body, wherein a lifting mechanism and an adjustable fork lifting mechanism are also arranged in the portal frame and are used for lifting and forking articles, limiting mechanisms are arranged at two sides of the portal frame and comprise limiting tables, one end of each limiting table is fixedly provided with a slide bar, the other end of each limiting table is rotatably provided with a telescopic adjuster, the slide bar penetrates through the portal frame and is connected with the inner side of the portal frame through a fifth hydraulic rod and is used for controlling the transverse movement of the limiting mechanism, and an L-shaped limiting rod penetrates through the telescopic adjusters and can adjust the extension and retraction of the L-shaped limiting rod. Stop gear with adjustable both can not influence the fork truck fork and get article, also can satisfy the article to different width and length and protect, and adjustable fork is lifted the condition of empting that the mechanism can prevent that article from probably appearing when the fork is got, has realized preventing the emergence that article were emptyd under two kinds of circumstances simultaneously.

Description

Anti-toppling forklift

Technical Field

The invention relates to the field of forklifts, in particular to the field of anti-toppling forklifts.

Background

Fork truck has played irreplaceable effect in logistics system, and the wide application is in places such as warehouse, mill, station, along with the quick development of industry, and is bigger and bigger to fork truck's demand volume, also higher and higher to fork truck's performance requirement simultaneously. In particular, when transporting valuables, fork trucks are required to have a function of preventing the valuables from falling down in order to ensure the safety of the valuables. Pouring generally occurs in two situations: one is that when forking, the outer package has uneven bottom, and the weight on two sides is unbalanced to cause toppling; the other is tipping due to inertia during movement and cornering of the truck.

At present, a few forklifts also have the function of preventing falling, such as the forklift anti-falling device disclosed in cn201820228556.x and a high-stability forklift, and the inserted rods 101 are arranged at two sides of the bracket 10 to prevent articles from falling.

According to the technical means used in the prior art, the inserted link 101 cannot be adjusted, so that articles on the forklift can be shielded, but the two inserted links 101 fixed forward inevitably affect the forking of the articles, and the inserted link 101 cannot be adjusted in width, so that the articles with unsuitable widths cannot be protected. In addition, the prior art only emptys the article of fork truck removal in-process and has protected, does not play the guard action because of the emptys that both sides unbalanced by weight leads to when forking article.

Disclosure of Invention

The anti-toppling forklift provided with the adjustable limiting mechanism and the fork lifting mechanism is adopted, the adjustable limiting mechanism does not influence the forklift to fork and take articles, the requirement of protecting the articles with different widths and lengths can be met, the adjustable fork lifting mechanism can prevent the articles from toppling possibly during forking, and the technical problems pointed out in the background art are solved.

The technical scheme adopted by the invention is as follows: the utility model provides an anti-toppling forklift, includes automobile body and portal, the portal bottom is in through the hub connection setting automobile body front end, intermediate position through first hydraulic stem with car connection, still be provided with elevating system and fork in the portal and lift the mechanism for lifting of article and put and fork and get, still including setting up the stop gear of portal both sides, stop gear includes spacing platform, the fixed slide bar that is provided with of spacing platform one end, the other end rotates and is provided with flexible regulator, the slide bar passes the portal pass through fifth hydraulic stem with the portal inboard is connected, is used for control stop gear's lateral shifting, it is provided with L type gag lever post to run through on the flexible regulator, and can adjust the flexible of L type gag lever post.

As an alternative of the technical scheme of the invention, a lifting chute is arranged in the gantry in the vertical direction, a lifting cross beam is arranged in the lifting chute in a matching manner, a transverse fixing rod is fixedly arranged in the gantry in the transverse direction, the lifting mechanism comprises a second hydraulic rod fixedly arranged at the bottom of the gantry, a cross rod is arranged at the top of the second hydraulic rod, lifting gears are rotatably arranged at two ends of the cross rod, a chain is matched on the lifting gears, one end of the chain is connected with the transverse fixing rod, and the other end of the chain is connected with the lifting cross beam.

As an alternative scheme of the technical scheme of the invention, the lifting beam comprises a beam and L-shaped sliding blocks arranged at two ends of the beam, the L-shaped sliding blocks are in sliding fit with the lifting sliding grooves, and a T-shaped rail is transversely arranged on the beam in a penetrating manner.

As an alternative of the technical solution of the present invention, the fork lifting mechanism includes a pair of fork assemblies slidably disposed on the T-shaped rail, the fork assemblies are connected to the cross beam at opposite positions through third hydraulic rods, and the third hydraulic rods can control the lateral movement of the fork assemblies.

As an alternative scheme of the technical scheme, the fork tooth assembly comprises a fork tooth base and fork teeth, a T-shaped groove matched with the T-shaped rail in a sliding mode is formed in one side of the fork tooth base, a fork tooth sliding groove with a non-through bottom is formed in the other side of the fork tooth base, a fourth hydraulic rod is arranged at the bottom of the fork tooth sliding groove, a fork tooth fixing block is arranged at the longitudinal end of each fork tooth, the bottom of the fork tooth fixing block is fixedly connected with the top end of the fourth hydraulic rod, limiting pulleys matched with the fork tooth sliding grooves are arranged at two ends of the fork tooth fixing block, and the fourth hydraulic rod can control the fork teeth to slide along the fork tooth sliding grooves.

As an alternative of the technical scheme of the invention, the limiting table comprises a limiting base station, a limiting gear is rotatably arranged in the middle of the limiting base station, one end of the limiting base station is provided with a limiter meshed with the limiting gear, and the other end of the limiting base station is provided with a pair of driving gears for driving the limiting gear to rotate.

As an alternative of the technical scheme of the invention, the stopper comprises a base fixedly arranged on the limiting base station, at least two limiting holes are formed in the base, the stopper further comprises a limiting block and a spring, a limiting column matched with the limiting holes is arranged at one end of the limiting block, a limiting tooth meshed with the limiting gear is arranged at the other end of the limiting block, and the spring is arranged on the limiting column in a penetrating manner.

As an alternative scheme of the technical scheme of the invention, the L-shaped limiting rod consists of a limiting longitudinal rod and a limiting transverse rod which are vertically and fixedly connected, and an adjusting rack is arranged on the limiting longitudinal rod.

As an alternative of the technical scheme of the invention, the telescopic regulator comprises a regulating base station fixedly arranged on the limiting gear, a through groove matched with the limiting longitudinal rod is arranged on the regulating base station, a regulating gear meshed with the regulating rack is also rotatably arranged on the regulating base station, and a motor is also fixedly arranged on the regulating base station and is connected with the regulating gear through a transmission mechanism and can control the limiting longitudinal rod to stretch and retract in the through groove.

The beneficial effects obtained by the invention are as follows: the invention discloses an anti-toppling forklift which is provided with an adjustable limiting mechanism and a forking mechanism, wherein the adjustable limiting mechanism does not influence the forking of the forklift and can also meet the requirement of protecting objects with different widths and lengths, the adjustable forking mechanism can prevent the toppling of the objects possibly occurring during forking, and the toppling of the objects can be prevented under two conditions.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a right side view of the present invention.

Fig. 3 is a schematic structural diagram of the lifting mechanism.

Fig. 4 is a schematic structural view of a lifting beam.

FIG. 5 is a schematic view of the position of the fork lift mechanism.

Fig. 6 is a schematic diagram of the tine assembly.

Fig. 7 is a schematic position diagram of the limiting mechanism.

Fig. 8 is a schematic structural view of the limiting mechanism.

Fig. 9 is a side view of the spacing mechanism.

Fig. 10 is a schematic view of the stopper structure.

Fig. 11 is a schematic structural view of an L-shaped stopper rod.

Fig. 12 is a partial enlarged view of a portion a in fig. 11.

Fig. 13 is a schematic view of a telescopic regulator.

Wherein, 1-vehicle body; 2-gantry; 21-a lifting chute; 22-transverse fixation rods; 3-a first hydraulic lever; 4-a lifting mechanism; 41-a second hydraulic rod; 42-a cross-bar; 43-lifting gear; 44-a chain; 45-lifting beam; 451-beam; 452-L shaped slider; 453-T rail; 5-a fork lift mechanism; 51-a tine assembly; 511-tine abutments; 512-tines; 513-T type groove; 514-tine runner; 515-a fourth hydraulic ram; 516-tine fixing block; 517-a limit pulley; 52-third hydraulic ram; 6-a limiting mechanism; 61-a limit table; 611-limit base station; 612-limit gear; 613-a stopper; 6131-base; 6132-limiting hole; 6133-stopper; 6134-limit column; 6135-limit teeth; 6136-spring; 614-drive gear; 62-a slide bar; 63-a telescopic regulator; 631-adjusting the base station; 632-through grooves; 633-an adjusting gear; 634-a transmission mechanism; 635-motor; 64-a slide hole; 65-a fifth hydraulic ram; 66-L-shaped limiting rods; 661-spacing longitudinal rods; 662-limit cross bars; 663 adjusting rack.

Detailed Description

In order to make the technical problems, technical solutions and advantages solved by the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the following specific examples are illustrative only and are not intended to limit the invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In the description of the embodiments, the terms "disposed," "connected," and the like are to be construed broadly unless otherwise explicitly specified or limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; either directly or through an intervening medium, or through internal communication between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and 2, the anti-toppling forklift provided by the invention comprises a forklift body 1 and a portal frame 2, wherein lifting chutes 21 are vertically arranged on two sides of the inner side of the portal frame 2, a transverse fixing rod 22 is fixedly arranged in the portal frame 2 in the transverse direction, the bottom of the portal frame 2 is rotatably connected with the bottom of the front end of the forklift body 1 through a rotating shaft, the middle position of the portal frame 2 is connected with the front end of the forklift body 1 through a first hydraulic rod 3, the inclination angle of the portal frame 2 is adjusted by controlling the extension and retraction of the first hydraulic rod 3, the portal frame 2 is controlled to be vertical when articles need to be forked and taken, the portal frame 2 is controlled to be inclined backwards when the articles need to be carried, and the articles are ensured not to slide forwards and backwards. Still be provided with elevating system 4 and fork in the portal 2 and lift mechanism 5, elevating system 4 is used for the lifting and placing to article, and fork lifts mechanism 5 and is used for getting to the fork of article. And limiting mechanisms 6 are further arranged on two sides of the portal frame 2 and used for hurting and protecting the articles which are forked and taken from the fork lifting mechanism 5.

As shown in fig. 3, which is a schematic view of the structure and position of the lifting mechanism 4, the lifting mechanism 4 includes a second hydraulic rod 41 fixedly disposed at the bottom of the gantry 2, a cross rod 42 is disposed at the top of the second hydraulic rod 41, lifting gears 43 are rotatably disposed at two ends of the cross rod 42, a chain 44 is engaged with the lifting gears 43, one end of the chain 44 is connected with the transverse fixing rod 22, and the other end is connected with a lifting beam 45. As shown in fig. 4, which is a schematic structural diagram of the lifting beam 45, the beam 451 is arranged in the middle, L-shaped sliders 452 are arranged at two ends of the beam 451, the L-shaped sliders 452 are in sliding fit with the lifting chute 21, the L-shaped sliders 452 prevent the beam 451 from interfering with the second hydraulic rod 41 when the lifting beam 45 slides, and a T-shaped rail 453 is transversely arranged at the front end of the beam 451 in a penetrating manner.

When the lifting mechanism 4 works, when the second hydraulic rod 41 is controlled to rise, the lifting gear 43 drives the chain 44 to rise together, and because the transverse fixing rod 22 is fixedly arranged, one end of the chain 44 connected with the transverse fixing rod 22 is fixed, and the other end of the chain 44 drives the lifting beam 45 to move upwards in the lifting chute 21; when the second hydraulic rod 41 is controlled to descend, the lifting beam 45 moves downward in the lifting chute 21 under the action of gravity. In summary, the lifting of the lifting beam 45 is controlled by controlling the extension and contraction of the second hydraulic rod 41.

As shown in fig. 5, which is a schematic position diagram of the fork lifting mechanism 5, the fork lifting mechanism 5 includes two fork assemblies 51 and two third hydraulic rods 52, the fork assemblies 51 are slidably disposed on the cross beam 451, opposite positions of the fork assemblies 51 are respectively connected with the cross beam 451 through the third hydraulic rods 52, and the fork assemblies 51 are controlled to move horizontally on the cross beam 451 by controlling the extension and retraction of the third hydraulic rods 52.

As shown in fig. 6, which is a schematic structural diagram of the tine assembly 51, the tine assembly 51 comprises a tine base 511 and a tine 512, one side of the tine base 511, which is far away from the tine 512, is provided with a T-shaped groove 513 matched with the T-shaped rail 453 in a sliding manner, so that the tine assembly 51 is arranged on the cross beam 451 in a sliding manner, the other side of the tine base 511 is provided with a tine chute 514 with a non-through bottom, and the bottom of the tine chute 514 is provided with a pair of fourth hydraulic rods 515; the fork teeth 512 are L-shaped, a fork tooth fixing block 516 is arranged at the longitudinal end of the fork tooth 512, the bottom of the fork tooth fixing block 516 is fixedly connected with the top end of the fourth hydraulic rod 515, and limiting pulleys 517 matched with the fork tooth sliding grooves 514 are arranged at two ends of the fork tooth fixing block 516. The fourth hydraulic rod 515 is used for controlling the fork tine 512 to slide up and down, and the limiting pulley 517 is used for limiting the fork tine 512 to slide in the fork tine sliding groove 514.

With reference to fig. 5 and 6, the fork assembly 51 with the adjustable horizontal position and the fork 512 with the adjustable vertical position can realize uniform force on two ends of the fork lifting mechanism 5 by adjusting the fork assembly 51 and the fork 512 when the bottom of the product package is uneven, so as to prevent the product from toppling over when the product is picked.

As shown in fig. 7, which is a schematic position diagram of the limiting mechanism 6, the limiting mechanism 6 includes a limiting table 61, one end of the limiting table 61 is fixedly provided with a slide rod 62, the slide rod 62 passes through the gantry 2 and a slide hole 64 fixed on the transverse fixing rod 22 and is connected with the inner side of the gantry 2 through a fifth hydraulic rod 65, and the transverse movement of the limiting mechanism 6 is controlled by controlling the extension and retraction of the fifth hydraulic rod 65; the other end of the limiting table 61 is rotatably provided with a telescopic adjuster 63, and an L-shaped limiting rod 66 penetrates through the telescopic adjuster 63 and can adjust the extension and retraction of the L-shaped limiting rod 66.

As shown in fig. 8 and 9, which are schematic structural diagrams of the limiting mechanism 6, the limiting table 61 includes a limiting base 611, the sliding rod 62 is disposed on one side of the limiting base 611, a limiting gear 612 is rotatably disposed at a middle position on the other side of the limiting base 611, the telescopic adjuster 63 is disposed on the limiting gear 612, and the limiting gear 612 can drive the telescopic adjuster 63 to rotate together. One end of the limit base 611 is provided with a limit gear 613 engaged with the limit gear 612 for limiting the rotation of the limit gear 612, and the other end of the limit base 611 is provided with a pair of driving gears 614 for driving the limit gear 612 to rotate. The driving gear 614 is a motor-driven gear for driving the limit gear 612 to rotate, and the stopper 613 limits the rotation of the limit gear 612 when the driving gear 614 stops operating.

As shown in fig. 10, which is a schematic structural view of the stopper 613, the stopper 613 includes a base 6131 fixedly disposed on the limiting base 611, four limiting holes 6132 are disposed on the base 6131, the number of the limiting holes 6132 is at least not less than 2, otherwise, the limiting function cannot be performed; the limiter 613 further comprises a limiting block 6133, one end of the limiting block 6133 is provided with a limiting column 6134 matched with the limiting hole 6132, a spring 6136 is sleeved on the limiting column 6134, the limiting column 6134 can slide in the limiting hole 6132, and the other end of the limiting block 6133 is provided with a limiting tooth 6135 meshed with the limiting gear 612.

When the limit block 613 works, the limit teeth 6135 clamp the limit gear 612 and limit the rotation of the limit gear 612 under the elastic force of the spring 6136 of the limit block 6133; when the starting driving gear 614 drives the limit gear 612 to rotate, the limit gear 612 presses the limit teeth 6135, the limit block 6133 presses towards the base 6131, and the limit is released.

As shown in fig. 11 and 12, which are schematic structural diagrams of an L-shaped stop rod 66, the L-shaped stop rod 66 is composed of a vertical stop longitudinal rod 661 and a stop transverse rod 662, which are vertically and fixedly connected, and an adjusting rack 663 is arranged on the stop longitudinal rod 661.

As shown in fig. 13, which is a schematic structural view of the telescopic adjuster 63, the telescopic adjuster 63 includes an adjusting base 631 fixedly disposed on the limiting gear 612, a through groove 632 matched with the limiting longitudinal rod 661 is disposed on the adjusting base 631, an adjusting gear 633 engaged with an adjusting rack 663 is further rotatably disposed, and the rotating adjusting gear 633 can drive the limiting longitudinal rod 661 to move in the through groove 632 through the adjusting rack 663; the adjusting base 631 is further fixedly provided with a transmission mechanism 634 and a motor 635, and the motor 635 is connected with the adjusting gear 633 through the transmission mechanism 634 and is used for controlling the rotation direction and speed of the adjusting gear 633.

The working principle and the steps of the invention are as follows:

s1, starting the first hydraulic rod 3 to adjust the gantry 2 to be in a vertical state;

s2, the second hydraulic rod 41 and the third hydraulic rod 52 are started to adjust the height position and the horizontal spacing of the fork tooth assembly 51 to place the articles at the bottom of the outer package, the second hydraulic rod 41 is controlled to lift the articles off the ground, the fourth hydraulic rod 515 is started to adjust the fork teeth 512 to enable the two sides to be evenly stressed, and the first hydraulic rod 3 and the second hydraulic rod 41 are continuously controlled to tilt the articles backwards and lift the articles to the height required by carrying;

s3, starting the fifth hydraulic rod 65, transversely moving the L-shaped limiting rod 66 to a position exceeding the left and right width of an article, starting a motor 635, longitudinally extending the L-shaped limiting rod 66 to a position exceeding the front and rear width of the article, starting a driving gear 614, controlling a limiting gear 612 to drive a telescopic regulator 63 to rotate, rotating the L-shaped limiting rod 66 to surround the article, continuously adjusting the fifth hydraulic rod 65 and the motor 635 to enable the L-shaped limiting rod 66 to be tightly attached to the periphery of the article, and achieving the effect of preventing the article from toppling over in the moving process;

and S4, after the articles are conveyed to the designated positions, the articles are placed in the three steps in reverse sequence, so that the whole anti-toppling conveying operation of the articles is completed.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization of those skilled in the art; where combinations of features are mutually inconsistent or impractical, such combinations should not be considered as being absent and not within the scope of the claimed invention.

Claims

1. The utility model provides an anti-toppling forklift, includes automobile body and portal, the portal bottom is in through the hub connection setting automobile body front end, intermediate position through first hydraulic stem with the automobile body coupling, still be provided with elevating system and fork in the portal and lift the mechanism for to lifting of article put with the fork get, its characterized in that, still including setting up the stop gear of portal both sides, stop gear includes spacing platform, the fixed slide bar that is provided with of spacing platform one end, the other end rotates and is provided with flexible regulator, the slide bar passes the portal pass through fifth hydraulic stem with the portal inboard is connected, is used for control stop gear's lateral shifting, it is provided with L type gag lever post to run through on the flexible regulator, and can adjust the flexible of L type gag lever post.

2. The anti-toppling forklift as claimed in claim 1, wherein a lifting chute is vertically arranged in the gantry, a lifting beam is arranged in the lifting chute in a matching manner, a transverse fixing rod is fixedly arranged in the gantry in a transverse direction, the lifting mechanism comprises a second hydraulic rod fixedly arranged at the bottom of the gantry, a cross rod is arranged at the top of the second hydraulic rod, lifting gears are rotatably arranged at two ends of the cross rod, a chain is matched on the lifting gears, one end of the chain is connected with the transverse fixing rod, and the other end of the chain is connected with the lifting beam.

3. The anti-toppling forklift as claimed in claim 2, wherein the lifting beam comprises a beam and L-shaped sliders arranged at two ends of the beam, the L-shaped sliders are in sliding fit with the lifting chutes, and T-shaped rails are transversely arranged on the beam in a penetrating manner.

4. The anti-tipping forklift of claim 3, wherein the fork lift mechanism comprises a pair of tine assemblies slidably disposed on the T-rails, the tine assemblies being connected in facing relation to the cross member by respective third hydraulic levers, the third hydraulic levers being capable of controlling the lateral movement of the tine assemblies.

5. The anti-toppling forklift as claimed in claim 4, wherein the fork tooth assembly comprises a fork tooth base and fork teeth, a T-shaped groove matched with the T-shaped rail in a sliding mode is formed in one side of the fork tooth base, a fork tooth sliding groove which is not through at the bottom is formed in the other side of the fork tooth base, a fourth hydraulic rod is arranged at the bottom of the fork tooth sliding groove, a fork tooth fixing block is arranged at the longitudinal end of the fork teeth, the bottom of the fork tooth fixing block is fixedly connected with the top end of the fourth hydraulic rod, limiting pulleys matched with the fork tooth sliding groove are arranged at two ends of the fork tooth fixing block, and the fork teeth can be controlled to slide along the fork tooth sliding groove by the fourth hydraulic rod.

6. The anti-toppling forklift as claimed in claim 1, wherein the limiting platform comprises a limiting base, a limiting gear is rotatably arranged at the middle position of the limiting base, a limiter meshed with the limiting gear is arranged at one end of the limiting base, and a pair of driving gears for driving the limiting gear to rotate is arranged at the other end of the limiting base.

7. The anti-toppling forklift as claimed in claim 6, wherein the stopper comprises a base fixedly arranged on the limiting base, the base is provided with at least two limiting holes, and further comprises a limiting block and a spring, one end of the limiting block is provided with a limiting column matched with the limiting holes, the other end of the limiting block is provided with a limiting tooth meshed with the limiting gear, and the spring is arranged on the limiting column in a penetrating manner.

8. The anti-toppling forklift as claimed in claim 7, wherein the L-shaped limiting rod consists of a vertical limiting longitudinal rod and a horizontal limiting rod which are vertically and fixedly connected, and an adjusting rack is arranged on the vertical limiting longitudinal rod.

9. The anti-toppling forklift as claimed in claim 8, wherein the telescopic adjuster comprises an adjusting base fixedly arranged on the limiting gear, a through groove matched with the limiting longitudinal rod is formed in the adjusting base, an adjusting gear meshed with the adjusting rack is further rotatably arranged on the adjusting base, and a motor is further fixedly arranged on the adjusting base and connected with the adjusting gear through a transmission mechanism, so that the limiting longitudinal rod can be controlled to stretch and retract in the through groove.