Forklift fork arm with weighing mechanism

Abstract

The utility model relates to the technical field of forklift fork arms, in particular to a forklift fork arm with a weighing mechanism, which comprises a forklift fork arm main body, a lifting chain is mounted in the forklift fork arm main body, a pin shaft penetrates through one end of the lifting chain, a first cotter pin penetrates through one end of the pin shaft, and a second cotter pin penetrates through the other end of the pin shaft. The outer wall of the pin shaft is connected with a chain end connecting shaft, and a tension sensor is installed below the chain end connecting shaft. The weighing mechanism arranged in the fork arm of the forklift is mainly composed of the pin shaft, the first cotter pin, the chain end connecting shaft, the tension sensor, the portal end connecting shaft, the nut and the second cotter pin, and when the fork forks goods, the tension sensor can indirectly obtain the weight information of the goods by reading the tensile force of the lifting chain; therefore, whether the weight of the goods is overweight is judged, whether to give an alarm or not is selected, the goods are classified according to the weight of the goods, follow-up work of the fork arm of the forklift is facilitated, and the practicability of the fork arm of the forklift is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of forklift fork arms, in particular to a forklift fork arm with a weighing mechanism. Background Art

[0002] A forklift is an industrial handling vehicle, which refers to various wheeled handling vehicles used for loading and unloading, stacking and short-distance transportation of palletized goods. The forklift arm is an important component of the forklift.

[0003] However, the existing forklift fork arm cannot obtain the weight information of the goods forked by the fork arm in the forklift application, and thus cannot make corresponding decisions based on the weight information of the goods forked by the fork arm, such as overweight alarm, cargo category classification, etc., which affects the subsequent work operation of the forklift fork arm. Utility Model Content

[0004] The utility model aims to provide a forklift fork arm with a weighing mechanism to solve the problem in the above background technology that the weight of the goods on the fork arm cannot be detected in real time and an abnormal alarm cannot be realized.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solution: a forklift fork arm with a weighing mechanism, comprising:

[0006] A forklift fork arm body, wherein a lifting chain is installed inside the forklift fork arm body, a pin shaft penetrates inside one end of the lifting chain, a No. 1 cotter pin penetrates inside one end of the pin shaft, a chain end connecting shaft is connected to the outer wall of the pin shaft, a tension sensor is installed below the chain end connecting shaft, a portal end connecting shaft is connected below the tension sensor, a portal crossbeam is provided on the outer wall of the portal end connecting shaft, a nut is connected to the outer wall below the portal end connecting shaft, and a No. 2 cotter pin penetrates inside the lower part of the portal end connecting shaft.

[0007] Preferably, the pin shaft is provided with a hole corresponding to the No. 1 cotter pin.

[0008] Preferably, the chain end connecting shaft is provided with a hole corresponding to the pin shaft.

[0009] Preferably, the chain end connecting shaft is fixedly connected to the tension sensor.

[0010] Preferably, the tension sensor is fixedly connected to the connecting shaft at the door frame end.

[0011] Preferably, the mast crossbeam is fixedly connected to the forklift fork arm body, and the nut is threadedly connected to the mast end connecting shaft.

[0012] Preferably, the connecting shaft at the portal end is provided with a hole corresponding to the No. 2 cotter pin, and two nuts are provided and fit tightly.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The weighing mechanism installed inside the fork arm of the new forklift is mainly composed of a pin shaft, a No. 1 cotter pin, a chain end connecting shaft, a tension sensor, a mast end connecting shaft, a nut, and a No. 2 cotter pin. When the fork picks up the goods, the tension sensor can indirectly obtain the weight information of the goods by reading the tension force of the lifting chain, and then determine whether the weight of the goods is overweight, and choose whether to alarm. The goods are classified according to their weight, which facilitates the subsequent work of the forklift fork arm and improves the practicality of the forklift fork arm. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view schematic diagram of the overall structure of the utility model;

[0016] Figure 2 For the utility model Figure 1 Schematic diagram of the structure of part A;

[0017] Figure 3 It is a schematic diagram of the parts distribution of the weighing mechanism and the portal crossbeam of the utility model;

[0018] Figure 4 It is a schematic diagram of the top structure of the weighing mechanism and the portal crossbeam of the utility model;

[0019] Figure 5 It is an exploded schematic diagram of the weighing mechanism and the portal crossbeam of the utility model.

[0020] In the figure: 01, forklift fork arm body; 02, lifting chain; 03, pin shaft; 04, No. 1 cotter pin; 05, chain end connecting shaft; 06, tension sensor; 07, mast end connecting shaft; 08, mast crossbeam; 09, nut; 10, No. 2 cotter pin. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 The utility model provides an embodiment: a forklift fork arm with a weighing mechanism. The forklift fork arm body 01, lifting chain 02 and tension sensor 06 used in this application are all products that can be directly purchased on the market. Their principles and connection methods are existing technologies well known to those skilled in the art, so they will not be repeated here.

[0023] It includes: a forklift fork arm body 01, a lifting chain 02 is installed inside the forklift fork arm body 01, a pin shaft 03 is passed through one end of the lifting chain 02, the pin shaft 03 can pass through the hole of the chain end connecting shaft 05, the pin shaft 03 is inserted into the hole of the chain end connecting shaft 05, the pin shaft 03 is limited, and then the lifting chain 02 is limited, a No. 1 cotter pin 04 is passed through one end of the pin shaft 03, the No. 1 cotter pin 04 can pass through the hole of the pin shaft 03, the lifting chain 02 is sleeved on the outer wall of the pin shaft 03, the No. 1 cotter pin 04 can limit the lifting chain 02, the outer wall of the pin shaft 03 is connected with the chain end connecting shaft 05, the chain end connecting shaft 05 keeps stable so that the pin shaft 03 keeps stable, thereby ensuring that the pin shaft 03 and the lifting chain 02 remain connected, a tension sensor 06 is installed below the chain end connecting shaft 05, the tension sensor 06 can be read The weight information of the cargo is indirectly obtained by taking the tensioning force of the lifting chain 02, a gantry end connecting shaft 07 is connected below the tension sensor 06, the gantry end connecting shaft 07 can fix the position of the tension sensor 06, a gantry crossbeam 08 is provided on the outer wall of the gantry end connecting shaft 07, the gantry crossbeam 08 can limit the gantry end connecting shaft 07 to prevent the gantry end connecting shaft 07 from moving upward due to the tensioning force of the lifting chain 02, a nut 09 is connected to the outer wall below the gantry end connecting shaft 07, the nut 09 is tightened on the outer wall of the gantry end connecting shaft 07, the two nuts 09 can fix the position of the gantry end connecting shaft 07 more stably, and ensure the stability of the gantry end connecting shaft 07, a No. 2 cotter pin 10 runs through the lower interior of the gantry end connecting shaft 07, the No. 2 cotter pin 10 can pass through the hole of the gantry end connecting shaft 07 and be inserted into the gantry end connecting shaft 07.

[0024] Furthermore, the pin shaft 03 is provided with a hole corresponding to the No. 1 cotter pin 04 to ensure that the No. 1 cotter pin 04 can pass through the hole of the pin shaft 03, and the lifting chain 02 is sleeved on the outer wall of the pin shaft 03. The No. 1 cotter pin 04 can limit the lifting chain 02.

[0025] Furthermore, a hole is opened in the chain end connecting shaft 05 corresponding to the pin shaft 03 to ensure that the pin shaft 03 can pass through the hole of the chain end connecting shaft 05. The pin shaft 03 is inserted into the hole of the chain end connecting shaft 05 to limit the pin shaft 03, thereby limiting the lifting chain 02.

[0026] Furthermore, the chain end connecting shaft 05 is fixedly connected to the tension sensor 06 to ensure the integrity of the chain end connecting shaft 05 and the tension sensor 06. The stability of the chain end connecting shaft 05 can keep the pin shaft 03 stable, thereby ensuring that the pin shaft 03 remains connected to the lifting chain 02.

[0027] Furthermore, the tension sensor 06 is fixedly connected to the gantry end connecting shaft 07 to ensure the integrity of the tension sensor 06 and the gantry end connecting shaft 07. The tension sensor 06 can indirectly obtain the weight information of the cargo by reading the tension force of the lifting chain 02, and the gantry end connecting shaft 07 can fix the position of the tension sensor 06.

[0028] Furthermore, the mast crossbeam 08 is fixedly connected to the forklift fork arm body 01, and the mast crossbeam 08 can limit the mast end connecting shaft 07 to prevent the mast end connecting shaft 07 from moving upward due to the tensioning force of the lifting chain 02. The nut 09 is threadedly connected to the mast end connecting shaft 07, and the nut 09 is tightened on the outer wall of the mast end connecting shaft 07 to stabilize the position of the mast end connecting shaft 07.

[0029] Furthermore, a hole is provided in the portal end connecting shaft 07 corresponding to the No. 2 cotter pin 10 to ensure that the No. 2 cotter pin 10 can pass through the hole of the portal end connecting shaft 07 and be inserted into the portal end connecting shaft 07. Two nuts 09 are provided and fit tightly. The nuts 09 are tightened on the outer wall of the portal end connecting shaft 07. The two nuts 09 can fix the position of the portal end connecting shaft 07 more stably, thereby ensuring the stability of the portal end connecting shaft 07.

[0030] Working principle: When in use, start the forklift first, move the forklift arm body 01 to the bottom of the cargo, so that the forklift arm body 01 lifts the cargo, and the lifting chain 02 is subjected to tension. The tension sensor 06 can indirectly obtain the weight information of the cargo by reading the tension of the lifting chain 02. When the cargo is overweight, the tension sensor 06 can sound an alarm. The above is the entire working principle of the utility model.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A forklift fork arm with a weighing mechanism, characterized in that: include: A forklift fork arm body (01), wherein a lifting chain (02) is installed inside the forklift fork arm body (01), a pin shaft (03) passes through one end of the lifting chain (02), a first cotter pin (04) passes through one end of the pin shaft (03), an outer wall of the pin shaft (03) is connected to a chain end connecting shaft (05), a tension sensor (06) is installed below the chain end connecting shaft (05), a mast end connecting shaft (07) is connected below the tension sensor (06), a mast crossbeam (08) is provided on the outer wall of the mast end connecting shaft (07), a nut (09) is connected to the lower outer wall of the mast end connecting shaft (07), and a second cotter pin (10) passes through the lower interior of the mast end connecting shaft (07).

2. A forklift fork arm with a weighing mechanism according to claim 1, characterized in that: The pin shaft (03) is provided with a hole corresponding to the No. 1 cotter pin (04).

3. A forklift fork arm with a weighing mechanism according to claim 1, characterized in that: The chain end connecting shaft (05) is provided with a hole corresponding to the pin shaft (03).

4. A forklift fork arm with a weighing mechanism according to claim 1, characterized in that: The chain end connecting shaft (05) is fixedly connected to the tension sensor (06).

5. The forklift fork arm with a weighing mechanism according to claim 2, characterized in that: The tension sensor (06) is fixedly connected to the portal end connecting shaft (07).

6. A forklift fork arm with a weighing mechanism according to claim 3, characterized in that: The mast crossbeam (08) is fixedly connected to the forklift fork arm body (01), and the nut (09) is threadedly connected to the mast end connecting shaft (07).

7. A forklift fork arm with a weighing mechanism according to claim 4, characterized in that: The door frame end connecting shaft (07) is provided with a hole corresponding to the second cotter pin (10), and two nuts (09) are provided and fit tightly.

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