CN212315455U

CN212315455U - Front fork load capacity detection device for forklift

Info

Publication number: CN212315455U
Application number: CN202021047730.4U
Authority: CN
Inventors: 吕伟; 刘蒙蒙; 唐达; 刘紫康; 郝嘉昌
Original assignee: Special Equipment Safety Supervision Inspection Institute of Jiangsu Province
Current assignee: Special Equipment Safety Supervision Inspection Institute of Jiangsu Province
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-01-08
Anticipated expiration: 2030-06-09

Abstract

The utility model discloses a front fork loading capacity detection device for a forklift; belongs to the technical field of forklift load detection; the forklift is technically characterized by comprising a forklift main body, a gantry mounted on one side of the forklift main body and two forks mounted on the gantry, wherein fixed plates are fixedly arranged at the top ends of the two forks, a square groove is formed in the middle of the top end of each fixed plate, a moving plate is arranged in each square groove, the top end of each moving plate extends to the top of each square groove, and telescopic rods are fixedly arranged on two sides of the inner wall of the bottom end of each square groove; the utility model discloses a setting of anodal contact and negative pole contact, the movable plate drives anodal contact downstream because of goods gravity downstream, and when the total weight of two fork top goods is about to exceed the scope that two forks can bear, anodal contact just in time touched with the negative pole contact, makes bee calling organ and battery form a return circuit, and bee calling organ begins work, reminds the staff to be about to overweight, is favorable to reminding the staff overweight, prevents fork truck because of overweight damage.

Description

Front fork load capacity detection device for forklift

Technical Field

The utility model relates to a fork truck load detects technical field, and more specifically says, especially relates to a fork truck is with front fork load capacity detection device.

Background

Fork trucks are industrial handling vehicles, and refer to various wheeled handling vehicles that perform handling, stacking, and short-distance transport operations on piece pallet goods. Forklifts are also widely used in warehouses, and the application of forklifts improves the work efficiency of goods entering and leaving from the warehouse and goods handling in the warehouse.

The existing forklift has some disadvantages, for example, the forklift does not have an overweight early warning device when in use, the forklift is often damaged due to overweight, the forklift does not have a weighing function, goods stored in and taken out of a warehouse cannot be weighed, and the efficiency of storing the goods in and taking out of the warehouse is reduced by means of external equipment, so that the automatic management of the warehouse is not facilitated.

Therefore, it is necessary to provide a front fork load detection device for a forklift truck to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic weighing just can remind overweight fork loading capacity detection device for fork truck to the not enough of above-mentioned prior art.

The technical scheme of the utility model is realized like this: a front fork load capacity detection device for a forklift comprises a forklift body, a gantry arranged on one side of the forklift body and two forks arranged on the gantry, wherein fixed plates are fixedly arranged at the top ends of the two forks, square grooves are formed in the middle of the top ends of the fixed plates, movable plates are arranged in the square grooves, the top ends of the movable plates extend to the tops of the square grooves, telescopic rods are fixedly arranged on two sides of the inner walls of the bottom ends of the square grooves, the top ends of the telescopic rods are fixedly connected with the bottom ends of the movable plates, supporting springs are sleeved on the telescopic rods, two ends of the supporting springs are respectively fixedly connected with the top ends of the movable plates and the inner walls of the bottom ends of the square grooves, first fixed rods are fixedly arranged in the middle of the bottom ends of the movable plates, positive contact pieces are fixedly arranged at the bottom ends of the first fixed rods, second fixed rods, and the negative pole contact is located anodal contact bottom, fork truck main part is inside to be provided with battery and buzzer, anodal contact is connected with the anodal wire of battery after establishing ties with buzzer through the electric wire, the negative pole contact is connected with the negative pole of battery through the electric wire.

As a further scheme of the invention: the inside display that is provided with of fork truck main part, movable plate top middle part is inlayed and is provided with weighing sensor.

As a further scheme of the invention: the telescopic link is provided with a plurality ofly, and a plurality of telescopic links are the rectangular array and distribute.

As a further scheme of the invention: a limiting ring is fixedly arranged in the middle of the bottom end of the moving plate, and the first fixing rod is located on the inner side of the limiting ring.

As a further scheme of the invention: the inner wall middle part of the bottom end of the square groove is encircled by a clamping groove matched with the limiting ring, the second fixing rod is located on the inner side of the clamping groove, and a buffer layer is fixedly arranged on the inner wall of the clamping groove.

As a further scheme of the invention: the limiting groove has all been seted up at square groove both sides inner wall middle part, movable plate bottom both sides all are fixed be provided with the stopper of limiting groove looks adaptation.

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

1. the utility model has the advantages that through the arrangement of the positive contact piece and the negative contact piece, the movable plate moves downwards due to the gravity of goods to drive the positive contact piece to move downwards, when the total weight of goods at the top ends of the two forks is beyond the range which can be borne by the two forks, the positive contact piece and the negative contact piece are just in contact with each other, so that the buzzer and the storage battery form a loop, the buzzer starts to work to remind a worker of being overweight, the worker is reminded of being overweight, and the forklift is prevented from being damaged due to overweight;

2. the utility model discloses a weighing sensor and the setting of display, weighing sensor can weigh the goods to transmit data for the display to show, give staff's reading, be favorable to improving the efficiency that the goods warehouse entry was gone out to the warehouse;

3. the utility model discloses a setting of spacing ring and draw-in groove is favorable to preventing that the movable plate from continuing the downstream, damages anodal contact and negative pole contact.

Drawings

The present invention will be described in further detail with reference to the following examples, which are not intended to limit the invention.

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

fig. 2 is a schematic structural diagram of the utility model at a in fig. 1;

fig. 3 is a schematic side view of the present invention shown in fig. 1;

in the figure: 1. a forklift body; 2. a gantry; 3. a pallet fork; 4. a fixing plate; 5. a square groove; 6. moving the plate; 7. a telescopic rod; 8. a support spring; 9. a first fixing lever; 10. a positive electrode contact piece; 11. a second fixing bar; 12. a negative contact piece; 13. a storage battery; 14. a buzzer; 15. a limiting ring; 16. a card slot; 17. a buffer layer; 18. a weighing sensor; 19. a display; 20. a limiting groove; 21. and a limiting block.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

The utility model provides a fork truck is with front fork loading capacity detection device as shown in fig. 1-3, including fork truck main part 1, install in the portal 2 of fork truck main part 1 one side and install two forks 3 on portal 2.

The top ends of the two fork forks 3 are fixedly provided with a fixed plate 4, the middle part of the top end of the fixed plate 4 is provided with a square groove 5, a moving plate 6 is arranged in the square groove 5, the top end of the moving plate 6 extends to the top of the square groove 5, two sides of the inner wall of the bottom end of the square groove 5 are fixedly provided with telescopic rods 7, the telescopic rods 7 are provided with a plurality of telescopic rods 7 which are distributed in a rectangular array, the top end of each telescopic rod 7 is fixedly connected with the bottom end of the moving plate 6, the telescopic rods 7 are sleeved with supporting springs 8, when the type of the supporting springs 8 is selected, the elastic coefficient of the supporting springs 8 is slightly smaller than the required value, the maximum force which can be borne by the two fork forks 3 is divided by the number of the supporting springs 8 and then divided by the distance between the positive contact piece 10 and the negative contact piece 12 to obtain a numerical value, so, the buzzer 14 is operated to remind the worker.

The two ends of a supporting spring 8 are respectively fixedly connected with the top end of a movable plate 6 and the inner wall of the bottom end of a square groove 5, a first fixed rod 9 is fixedly arranged in the middle of the bottom end of the movable plate 6, an anode contact piece 10 is fixedly arranged at the bottom end of the first fixed rod 9, a second fixed rod 11 is fixedly arranged in the middle of the inner wall of the bottom end of the square groove 5, a cathode contact piece 12 is fixedly arranged at the top end of the second fixed rod 11, the cathode contact piece 12 is positioned at the bottom of the anode contact piece 10, a storage battery 13 and a buzzer 14 are arranged in a forklift body 1, the anode contact piece 10 is connected with an anode wire of the storage battery 13 after being connected with the buzzer 14 in series through a wire, the cathode contact piece 12 is connected with the cathode of the storage battery 13 through a wire, through the arrangement of the anode contact piece 10 and the cathode contact piece 12, the movable plate 6 moves downwards due to the, the positive contact piece 10 and the negative contact piece 12 are just in touch, so that the buzzer 14 and the storage battery 13 form a loop, the buzzer 14 starts to work to remind workers of overweight, the workers are reminded of overweight, and the forklift is prevented from being damaged due to overweight.

Secondly, fork truck main part 1 is inside to be provided with display 19, the movable plate 6 top middle part is inlayed and is provided with weighing sensor 18, through the setting of weighing sensor 18 and display 19, weighing sensor 18 can weigh the goods, and give display 19 with data transmission and show, give the staff reading, be favorable to improving the efficiency that the goods was put in or out of the warehouse, weighing sensor 18 adopts the magnetic pole deformation formula, when ferromagnetic component took place mechanical deformation under the measured object action of gravity, inside production stress and arouse the magnetic permeability change, the induced voltage of messenger's secondary coil around ferromagnetic component magnetic pole both sides also changes thereupon. The variation of the voltage is measured to determine the force applied to the magnetic pole, and the mass of the object to be measured is determined. The magnetic pole deformation type sensor has low accuracy, generally 1/100, is suitable for large-tonnage weighing work, the weighing range is dozens to tens of thousands kilograms, the middle part of the bottom end of the moving plate 6 is fixedly provided with a limiting ring 15, the first fixed rod 9 is positioned at the inner side of the limiting ring 15, the middle part of the inner wall of the bottom end of the square groove 5 is surrounded with a clamping groove 16 matched with the limiting ring 15, the second fixed rod 11 is positioned at the inner side of the clamping groove 16, the arrangement of the limiting ring 15 and the clamping groove 16 is favorable for preventing the moving plate 6 from continuously moving downwards to damage the positive contact piece 10 and the negative contact piece 12, the inner wall of the clamping groove 16 is fixedly provided with a buffer layer 17, the buffer layer 17 has buffering and protecting functions, the abrasion between the bottom end of the limiting ring 15 and the inner wall of the clamping groove 16 is reduced, the middle parts of the inner walls, the arrangement of the limiting groove 20 and the limiting block 21 has a limiting effect, and the moving plate 6 is prevented from being ejected out of the square groove 5.

The above mentioned structures of the battery 13, the buzzer 14, the load cell 18 and the display 19 and the connection means therebetween are all the prior art and are not further explained in this application.

The utility model discloses the theory of operation:

when the forklift is used for forking goods, the two forks 3 are inserted into the bottoms of the goods and then the goods are slowly lifted, the weight of the goods is detected by the weighing sensor 18 and then is transmitted to the display 19 for displaying, so that the reading of workers is facilitated, when the goods are lifted, the weight of the goods can enable the moving plate 6 to move downwards, the moving plate 6 moves downwards while the telescopic rod 7 and the supporting spring 8 are compressed, and meanwhile, the positive contact piece 10 moves downwards for a certain distance; when the weight of goods is about to exceed the weighing of two forks 3, positive pole contact piece 10 just in time moves to touch with negative pole contact piece 12, makes bee calling organ 14 and battery 13 form the return circuit, and battery 13 provides the power for bee calling organ 14, and bee calling organ 14 begins to work, sends the buzzing sound, reminds the staff, is about to overweight, lets the staff no longer add the goods.

The above embodiment is the preferred embodiment of the present invention, which is only used to facilitate the explanation of the present invention, it is not right to the present invention, which makes the restriction on any form, and any person who knows commonly in the technical field can use the present invention to make the equivalent embodiment of local change or modification without departing from the technical features of the present invention.

Claims

1. The utility model provides a fork front fork loading capacity detection device for fork truck, includes fork truck main part (1), installs in portal (2) of fork truck main part (1) one side and installs two fork (3) on portal (2), its characterized in that: the top ends of the two fork forks (3) are fixedly provided with a fixed plate (4), the middle part of the top end of the fixed plate (4) is provided with a square groove (5), a movable plate (6) is arranged in the square groove (5), the top end of the movable plate (6) extends to the top of the square groove (5), two sides of the inner wall of the bottom end of the square groove (5) are fixedly provided with telescopic rods (7), the top end of each telescopic rod (7) is fixedly connected with the bottom end of the movable plate (6), the telescopic rods (7) are sleeved with supporting springs (8), two ends of each supporting spring (8) are respectively fixedly connected with the top end of the movable plate (6) and the inner wall of the bottom end of the square groove (5), the middle part of the bottom end of the movable plate (6) is fixedly provided with a first fixed rod (9), the bottom end of the first fixed rod (9) is provided with an anode contact piece, second dead lever (11) top is fixed and is provided with negative pole contact (12), and negative pole contact (12) are located anodal contact (10) bottom, fork truck main part (1) inside is provided with battery (13) and buzzer (14), anodal contact (10) are connected with the anodal wire of battery (13) after establishing ties through electric wire and buzzer (14), negative pole contact (12) are connected through the negative pole of electric wire and battery (13).

2. The front fork load detection device for the forklift as recited in claim 1, wherein a display (19) is provided inside the forklift body (1), and a load cell (18) is embedded in the middle of the top end of the moving plate (6).

3. The front fork load detection device for the forklift as recited in claim 1, wherein the number of the telescopic rods (7) is plural, and the plural telescopic rods (7) are distributed in a rectangular array.

4. The front fork load detection device for the forklift as recited in claim 1, wherein a stop collar (15) is fixedly disposed at a middle portion of a bottom end of the moving plate (6), and the first fixing rod (9) is located inside the stop collar (15).

5. The front fork load detection device for the forklift as recited in claim 4, wherein a slot (16) adapted to the stop collar (15) is formed around the middle portion of the inner wall of the bottom end of the square groove (5), the second fixing rod (11) is located inside the slot (16), and a buffer layer (17) is fixedly arranged on the inner wall of the slot (16).

6. The front fork load detection device for the forklift as recited in claim 1, wherein the middle parts of the inner walls of the two sides of the square groove (5) are respectively provided with a limiting groove (20), and the two sides of the bottom end of the movable plate (6) are respectively and fixedly provided with a limiting block (21) matched with the limiting grooves (20).