CN214003942U

CN214003942U - Safe lifting forklift

Info

Publication number: CN214003942U
Application number: CN202022115004.8U
Authority: CN
Inventors: 廖其章
Original assignee: Guangdong Oueneng New Energy Equipment Co ltd
Current assignee: Guangdong Oueneng New Energy Equipment Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-08-20
Anticipated expiration: 2030-09-23

Abstract

The utility model belongs to the technical field of fork truck, and a safe jack-up fork truck is disclosed, including outer arm, the left bottom fixed mounting of outer arm has the sill bar, the left end movable mounting of sill bar has the front wheel, the right side fixedly connected with backshell of outer arm, telescopic link in the right side fixed mounting of sill bar, the telescopic link's of interior telescopic link fixedly connected with balancing weight, the top and the bottom of balancing weight respectively with the inner wall swing joint of backshell lower part. The utility model discloses an inside has jack-up fork of balance plate, utilizes the characteristic of balance plate, when moving the goods to jack-up fork on, can push down the draw runner with the draw runner when the draw runner is touched to the goods bottom inside, through the balance plate with the fixture block lifting, come the goods restriction between fixture block and the vertical part of jack-up fork through the fixture block, prevent to produce and drop, eliminated because rock the potential safety hazard that causes the goods to drop in the transportation, simple structure has very good practical function.

Description

Safe lifting forklift

Technical Field

The utility model belongs to the technical field of fork truck, specifically a safe jack-up fork truck.

Background

Industrial handling vehicles are widely used in ports, stations, airports, cargo yards, factory workshops, warehouses, distribution centers, and the like, the operation of loading, unloading and carrying pallet goods in cabins, carriages and containers is an indispensable device in pallet transportation and container transportation, the forklift plays a very important role in a logistics system of an enterprise, is a prime force in material handling equipment, is widely applied to various departments in national economy such as stations, ports, airports, factories, warehouses and the like, the forklift is developed during world war II, and is manufactured in China from the beginning of the 20 th century and the 50 th century, particularly, with the rapid development of economy in China, the material handling of most enterprises has been separated from the original manual handling, and is replaced by the mechanical handling mainly by a forklift, so that, over the past few years, the demand in the national forklift market has grown at a two-digit rate each year.

In the process of carrying out the commodity circulation transportation, fork truck operating personnel need to fork the goods of placing on the commodity circulation dish together with the commodity circulation dish, then put down the commodity circulation dish after transporting the assigned position, because in general commodity circulation work, the goods often can be piled up the take the altitude and then be transporting, the jack-up fork part of conventional fork truck is the horizontally does not have any shielding object, in the in-process of fork truck transportation goods, can produce certain degree rocking hardly, the goods is owing to not fixed, so probably lead to the fact the coming off of goods owing to rocking in the transportation, light then the goods is impaired, other personnel can be hindered by mistake to the weight, there is certain potential safety hazard.

When fork truck carried out work, because the goods that need transport are different, the dead weight of goods itself is also different, to lighter goods, fork truck very light just can accomplish the transportation work, but to heavier goods a bit, when fork truck lifted the goods, probably with fork truck back tail position perk, if operating personnel did not notice, probably lead to falling, there is very big potential safety hazard, to this kind of condition conventional method be many stations at the back tail alone, keep fork truck gravity balance, very trouble, work efficiency has been influenced to a certain extent.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above problem, the utility model provides a safe jack-up fork truck has freight safety, the balanced advantage of guarantee fork truck transportation.

In order to achieve the above object, the utility model provides a following technical scheme: a safe lifting forklift comprises an outer arm, wherein a bottom rod is fixedly mounted at the left bottom of the outer arm, a front wheel is movably mounted at the left end of the bottom rod, a rear shell is fixedly connected to the right side of the outer arm, an inner telescopic rod is fixedly mounted at the right side of the bottom rod, a balancing weight is fixedly connected to the telescopic end of the inner telescopic rod, the top and the bottom of the balancing weight are respectively movably connected with the inner wall of the lower part of the rear shell, a rear wheel is fixedly mounted at the bottom of the rear shell, a standing plate is fixedly mounted at the right side of the outer surface of the rear shell, a handrail and a control panel are fixedly mounted at the top of the rear shell, an outer telescopic rod is fixedly mounted at the left side of the outer surface of the rear shell, a top rod is fixedly connected with the outer telescopic rod, a fixed arm is fixedly mounted at the inner side of the outer telescopic rod, the bottom of the fixed arm is fixedly connected with the bottom rod, and a rolling shaft is fixedly connected with the inner side of the fixed arm, the fixed arm passes through roller bearing and lifting arm swing joint, the top fixed mounting of lifting arm has the transmission shaft, the top and the ejector pin fixed connection of lifting arm, the middle part of fixed arm is on the upper side fixed position install and is located the last dead lever on lifting arm right side, the one end fixed connection of going up dead lever and driving chain, the dead lever under the other end fixedly connected with of driving chain, the left side fixedly connected with jack-up fork of dead lever down, the inside fixed mounting of jack-up fork has the balance shaft, the middle part movable mounting of balance shaft has the balance plate, the one end fixed mounting of balance plate has the fixture block, the other end fixed mounting of balance plate has the smooth ball.

As an optimal technical scheme of the utility model, the inside of jack-up fork is hollow structure, two slotted holes have been seted up at the top of jack-up fork, the position of slotted hole corresponds the position of fixture block and ball respectively, the fixture block is the rectangular block structure, the ball is spherical structure and its surface is smooth, two the diameter value of slotted hole is greater than the diameter value of fixture block and ball respectively.

As an optimal technical scheme of the utility model, the inside of backshell is divided into two parts, and the lower part is hollow counter weight cabin, and upper portion is fork truck's engine compartment, the top of backshell is the arc, two wheel holes have been seted up to the bottom of backshell, and the diameter value in wheel hole is greater than the diameter value of rear wheel.

As an optimized technical scheme of the utility model, the biggest extension length of interior telescopic link is two-thirds of backshell width, the maximum position distance of backward movement of balancing weight is 2-3cm apart from the inside back wall of backshell.

As an optimal technical scheme of the utility model, two wheel holes, two have been seted up to the bottom of jack-up fork the position of two front wheels on the position correspondence sill bar in wheel hole, and the front wheel is located jack-up fork inside back and the distance value between the balance plate is 2 centimetres.

As an optimized technical scheme of the utility model, the biggest lifting height of jack-up fork keeps level with last dead lever.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses an inside has jack-up fork of balance plate, utilizes the characteristic of balance plate, when moving the goods to jack-up fork on, can push down the draw runner with the draw runner when the draw runner is touched to the goods bottom inside, through the balance plate with the fixture block lifting, come the goods restriction between fixture block and the vertical part of jack-up fork through the fixture block, prevent to produce and drop, eliminated because rock the potential safety hazard that causes the goods to drop in the transportation, simple structure has very good practical function.

2. The utility model discloses a balancing weight that promotes by interior telescopic link, under the conventional condition, the balancing weight is at the automobile body middle part, has guaranteed fork truck's focus simultaneously at the automobile body middle part, and when the goods was overweight, telescopic link promoted the balancing weight backward in the accessible, because the balancing weight moves backward, the focus of automobile body can change backward to reach balanced around making the automobile body, can not produce the condition of rear of a vehicle perk, work to fork truck has fine practical function.

Drawings

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

FIG. 2 is a rear view of the present invention;

fig. 3 is a schematic diagram of the lifting fork of the present invention;

FIG. 4 is a state diagram of the present invention after the counterweight block is moved;

FIG. 5 is a schematic view of the top structure of the fork of the present invention;

fig. 6 is a schematic view of the bottom structure of the fork of the present invention;

fig. 7 is a schematic view of the connection structure of the lifting arm and the fixing arm according to the present invention.

In the figure: 1. an outer arm; 2. a front wheel; 3. a bottom bar; 4. a lifting fork; 5. an inner telescoping rod; 6. a balancing weight; 7. a rear wheel; 8. a rear housing; 9. standing the plate; 10. a handrail; 11. a control panel; 12. a drive chain; 13. a drive shaft; 14. an upper fixing rod; 15. an outer telescopic rod; 16. a top rod; 17. a lift arm; 18. a lower fixing rod; 19. a clamping block; 20. a sliding ball; 21. a balance shaft; 22. a balance plate; 23. a fixed arm; 24. and (4) rolling shafts.

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.

As shown in figures 1 to 7, the utility model provides a safe lifting forklift, which comprises an outer arm 1, a bottom rod 3 is fixedly arranged at the left bottom of the outer arm 1, the bottom rod 3 is used for fixing the rest structures in front of a rear shell, the upper part of the bottom rod 3 is used for placing a lifting fork 4, a front wheel 2 is movably arranged at the left end of the bottom rod 3, a bearing of the front wheel 2 is positioned inside the bottom rod 3, the front wheel 2 is higher than the bottom rod by one fourth of the height of the bottom rod 3, the right side of the outer arm 1 is fixedly connected with a rear shell 8, an inner telescopic rod 5 is fixedly arranged at the right side of the bottom rod 3, a balancing weight 6 is fixedly connected with the telescopic end of the inner telescopic rod 5, the top and the bottom of the balancing weight 6 are respectively movably connected with the inner wall at the lower part of the rear shell 8, the upper and lower surfaces of the balancing weight 6 are attached to the inner wall at the lower part of the rear shell 8, a rear wheel 7 is fixedly arranged at the bottom of the rear shell 8, the height of the rear wheel 7 is larger than the front wheel 2 in level and the diameter value of the front wheel 2, a standing plate 9 is fixedly arranged on the right side of the outer surface of the rear shell 8, a handrail 10 and a control panel 11 are fixedly arranged on the top of the rear shell 8, an outer telescopic rod 15 is fixedly arranged on the left side of the outer surface of the rear shell 8, a top rod 16 is fixedly connected to the top of the outer telescopic rod 15, a fixed arm 23 is fixedly arranged on the inner side of the outer telescopic rod 15, the bottom of the fixed arm 23 is fixedly connected with the bottom rod 3, a roller 24 is fixedly connected to the inner side of the fixed arm 23, the fixed arm 23 is movably connected with a lifting arm 17 through the roller 24, a transmission shaft 13 is fixedly arranged on the top of the lifting arm 17, the transmission shaft 13 is a rotatable bearing, the top end of the lifting arm 17 is fixedly connected with the top rod 16, an upper fixed rod 14 positioned on the right side of the lifting arm 17 is fixedly arranged on the middle part of the fixed arm 23, the upper fixed rod 14 is fixedly connected with one end of a transmission chain 12, and a lower fixed rod 18 is fixedly connected to the other end of the transmission chain 12, the left side of the lower fixing rod 18 is fixedly connected with a lifting fork 4, a balance shaft 21 is fixedly mounted inside the lifting fork 4, a balance plate 22 is movably mounted in the middle of the balance shaft 21, a clamping block 19 is fixedly mounted at one end of the balance plate 22, and a sliding ball 20 is fixedly mounted at the other end of the balance plate 22.

Wherein, the inside of jack-up fork 4 is hollow structure, two slotted holes have been seted up at the top of jack-up fork 4, the position of slotted hole corresponds fixture block 19 and smooth ball 20's position respectively, fixture block 19 is the rectangular block structure, smooth ball 20 is spherical structure and its surface is smooth, the diameter value of two slotted holes is greater than the diameter value of fixture block 19 and smooth ball 20 respectively, this design has guaranteed that fixture block 19 and smooth ball 20 can be inerrably passed the upper strata of jack-up fork 4, and because smooth ball 20's surface, can not produce too much friction when contacting the goods, guaranteed that the goods pushes down smooth ball 20, overall structure is very succinct.

Wherein, the inside of backshell 8 is divided into two parts, and the lower part is hollow counter weight cabin, and upper portion is fork truck's engine compartment, and the top of backshell 8 is the arc, and two wheel holes have been seted up to the bottom of backshell 8, and the diameter value in wheel hole is greater than the diameter value of rear wheel 7, and this design has guaranteed that each other does not influence between the inside counter weight cabin of backshell 8 and the engine compartment, and the arc design at backshell 8 top makes the backshell part can not produce danger to the people, has improved the security.

The maximum extension length of the inner telescopic rod 5 is two thirds of the width of the rear shell, the maximum backward movement position of the balancing weight 6 is 2-3cm away from the inner rear wall of the rear shell, the design ensures that the balancing weight 6 cannot be in contact with the rear wall of the rear shell 8, friction between the balancing weight 6 and the rear shell 8 is avoided, and the balance of the automobile body under the conventional condition can be ensured.

Wherein, two wheel holes have been seted up to the bottom of jack-up fork 4, the position in two wheel holes corresponds two front wheel 2's on the sill bar 3 position, and the distance value that the front wheel is located between 4 inside backs of jack-up fork and balance plate 22 is 2 centimetres, because balance plate 22 is in the tilt state when using, when the balance plate reaches the maximum slope degree, two front wheel 2 are 1cm with the minimum distance of balance plate, this design has guaranteed to place when minimum height at jack-up fork 4, two front wheel 2 on the sill bar 3 can not influence the normal function of balance plate.

The maximum lifting height of the lifting fork 4 is equal to the maximum lifting height of the upper fixing rod 14, the lifting height of the lifting fork 4 depends on the driving height of the transmission chain 12, the lifting fork 4 is lifted by the lifting arm 17 driven by the outer telescopic rod 15, and when the lifting arm 17 is lifted to the highest position, the lifting fork 4 is exactly equal to the maximum lifting height of the upper fixing rod 14, so that the stability of the lifting fork 4 is guaranteed.

The utility model discloses a theory of operation and use flow:

when the forklift is used, the standing plate 9 is firstly laid flat, an operator stands on the standing plate 9, the operation disc 11 is used for carrying out related operations of the forklift, the lifting forks 4 of the forklift are aligned to a goods bottom logistics disc to be lifted, then when the logistics disc is moved to the sliding ball 20, the sliding ball 20 is pressed downwards, the clamping block 19 is lifted under the action of a wane system consisting of the balancing plate 22 and the balancing shaft 21, the logistics disc is limited between the clamping block 19 and the vertical arms of the lifting forks 4, the goods are prevented from falling off, after the goods are lifted by the lifting forks 4, the lifting arms 17 are upwards extended and driven to lift through the external telescopic rods 15, then the transmission chain 12 upwards moves along with the lifting arms 17, the transmission chain 12 drives the lifting forks 4 to upwards lift, the transmission chain 12 provides a supporting function through the transmission shafts 13 at the side ends of the lifting arms 17, the lifting rods 15 stop upwards extending, and can finish the lifting action of the lifting forks 4, then when transporting the goods to the assigned position, outer telescopic link 15 contracts downwards, drive lifting arm 17 and fall back, lifting fork 4 falls along with lifting arm 17, wait to fall to assigned position lifting fork 4 and put down the commodity circulation dish, when the commodity circulation dish is taken out from smooth ball 20 position, the smooth ball 20 lifting is with 19 whereabouts of fixture block, the goods can be accomplished and lift off, if meet the goods overweight, accessible control dish 11 comes to control inner telescopic rod 5, inner telescopic link 5 stretches out outwards, promote inside balancing weight 6 of automobile body backward, because the focus moves backward, the bearing capacity of fork 4 will become bigger before the fork truck, can be better accomplish transportation work.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. A safe forklift truck, includes outer arm (1), its characterized in that: the left bottom of the outer arm (1) is fixedly provided with a bottom rod (3), the left end of the bottom rod (3) is movably provided with a front wheel (2), the right side of the outer arm (1) is fixedly connected with a rear shell (8), the right side of the bottom rod (3) is fixedly provided with an inner telescopic rod (5), the telescopic end of the inner telescopic rod (5) is fixedly connected with a balancing weight (6), the top and the bottom of the balancing weight (6) are respectively movably connected with the inner wall of the lower part of the rear shell (8), the bottom of the rear shell (8) is fixedly provided with a rear wheel (7), the right side of the outer surface of the rear shell (8) is fixedly provided with a standing plate (9), the top of the rear shell (8) is fixedly provided with a handrail (10) and a control panel (11), the left side of the outer surface of the rear shell (8) is fixedly provided with an outer telescopic rod (15), and the top of the outer telescopic rod (15) is fixedly connected with a push rod (16), the utility model discloses a lifting mechanism, including outer telescopic link (15), fixed arm (23) inboard fixed mounting, the bottom and the end pole (3) fixed connection of fixed arm (23), the inboard fixedly connected with roller bearing (24) of fixed arm (23), fixed arm (23) are through roller bearing (24) and lifting arm (17) swing joint, the top fixed mounting of lifting arm (17) has transmission shaft (13), the top and ejector pin (16) fixed connection of lifting arm (17), the middle part of fixed arm (23) is above position fixed mounting has last dead lever (14) that is located lifting arm (17) right side, go up dead lever (14) and the one end fixed connection of driving chain (12), the other end fixedly connected with of driving chain (12) down dead lever (18), the left side fixedly connected with jack-up fork (4) of dead lever (18) down, the inside fixed mounting of jack-up fork (4) has balance shaft (21), the middle movable mounting of balanced axle (21) has balance plate (22), the one end fixed mounting of balance plate (22) has fixture block (19), the other end fixed mounting of balance plate (22) has ball (20).

2. A safety lift truck according to claim 1, characterized in that: the inside of the lifting fork (4) is of a hollow structure, two slotted holes are formed in the top of the lifting fork (4), the positions of the slotted holes correspond to the positions of the fixture block (19) and the sliding ball (20) respectively, the fixture block (19) is of a rectangular block structure, the sliding ball (20) is of a spherical structure, the surface of the sliding ball is smooth, and the diameter values of the two slotted holes are larger than the diameter values of the fixture block (19) and the sliding ball (20) respectively.

3. A safety lift truck according to claim 1, characterized in that: the inside of backshell (8) is divided into two parts, and the lower part is hollow counter weight cabin, and upper portion is fork truck's power compartment, the top of backshell (8) is the arc, two wheel holes have been seted up to the bottom of backshell (8), and the diameter value in wheel hole is greater than the diameter value of rear wheel (7).

4. A safety lift truck according to claim 1, characterized in that: the maximum extending length of the inner telescopic rod (5) is two thirds of the width of the rear shell, and the maximum backward moving position of the balancing weight (6) is 2-3cm away from the rear wall in the rear shell.

5. A safety lift truck according to claim 1, characterized in that: two wheel holes are formed in the bottom of the lifting fork (4), the positions of the two wheel holes correspond to the positions of the two front wheels (2) on the bottom rod (3), and the distance between the rear part of the front wheel (2) located inside the lifting fork (4) and the balance plate (22) is 2 cm.

6. A safety lift truck according to claim 1, characterized in that: the maximum lifting height of the lifting fork (4) is equal to that of the upper fixing rod (14).