Forklift supporting arm with stable supporting effect

Abstract

The utility model discloses a forklift supporting arm with a stable supporting effect, which relates to the technical field of forklift supporting arms, and particularly comprises a supporting frame, a supporting column is vertically connected in the supporting frame, first connecting arms are symmetrically arranged on two sides of the supporting column, and the first connecting arms are connected with the supporting column through telescopic mechanisms. The bottom of the first connecting arm is rotationally connected with a second connecting arm, and the second connecting arm is perpendicular to the first connecting arm in position. An opening is formed in the bottom of the first connecting arm, a connecting base is vertically connected to the corresponding position of the top of the second connecting arm, the connecting base extends into the opening and is rotationally connected with the first connecting arm through a rotating shaft, one end of the second connecting arm extends to the bottom of the supporting frame, and a pressure sensor is fixedly connected to the top of the second connecting arm. The bottom of the supporting frame is fixedly connected with a rubber pad, and the top of the pressure sensor abuts against the rubber pad.

Description

Technical Field

[0001] The utility model relates to the technical field of forklift support arms, in particular to a forklift support arm with a stable supporting effect. Background Art

[0002] A forklift is an industrial handling vehicle that can be used to load, unload, stack and transport palletized goods over short distances. It is widely used in factories, warehouses, logistics distribution centers and other places. During transportation, the forklift lifts the goods by moving the forks.

[0003] The existing support arm is not convenient for real-time detection of the weight of the cargo when transporting box cargo, which easily causes damage to the support arm due to the heavy cargo, which not only reduces the safety of the device but also reduces the stability of the cargo during transportation, thereby reducing the practicality of the support arm. To this end, we propose a forklift support arm with a stable support effect. Utility Model Content

[0004] In view of the disadvantage that it is inconvenient to detect the weight of goods in real time, which may easily lead to damage to the support arm due to heavy goods, the utility model provides a forklift support arm with a stable supporting effect, which has the advantage of being able to detect the weight of goods and thus improve the stability of cargo transportation, solving the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0006] A forklift support arm with a stable supporting effect comprises a support frame, a support column is vertically connected in the support frame, first connecting arms are symmetrically arranged on both sides of the support column, the first connecting arm is connected to the support column through a telescopic mechanism, a second connecting arm is rotatably connected to the bottom of the first connecting arm, and the second connecting arm is perpendicular to the first connecting arm;

[0007] An opening is provided at the bottom of the first connecting arm, and a connecting block is vertically connected to the corresponding position of the top of the second connecting arm. The connecting block extends into the opening and is rotatably connected to the first connecting arm through a rotating shaft. One end of the second connecting arm extends to the bottom of the supporting frame, and a pressure sensor is fixedly connected to the top of the second connecting arm, and a rubber pad is fixedly connected to the bottom of the supporting frame, and the top of the pressure sensor is against the rubber pad.

[0008] Optionally, the telescopic mechanism includes a second guide rod symmetrically arranged along the support column, the second guide rod is connected between the support column and the inner wall of the support frame, the second guide rod passes through the upper end of the first connecting arm, and the adjacent sides of the two first connecting arms are fixedly connected to the support column through an electric telescopic rod, and the electric telescopic rod is arranged parallel to the second guide rod.

[0009] Optionally, a connecting side plate is fixedly connected to the side wall of the first connecting arm, one end of the electric telescopic rod is fixedly connected to the connecting side plate, a first through groove is provided on the connecting side plate, a first guide rod passes through the first through groove, and the first guide rod is connected to the support column and the inner wall of the support frame.

[0010] Optionally, a connecting block is horizontally connected to the upper end side wall of the first connecting arm, a second through groove is provided on the connecting block, a sleeve is fixedly connected in the second through groove, and the second guide rod passes through the sleeve.

[0011] Optionally, a U-shaped stop block is fixedly connected to the lower end of one side of the first connecting arm close to the support frame, the U-shaped stop block abuts against the side wall of the support frame, and the U-shaped stop block is located above the opening.

[0012] Optionally, an inclined surface is provided at the bottom of one end of the second connecting arm away from the supporting frame, and the bottom of the inclined surface extends toward the first connecting arm.

[0013] Compared with the prior art, the utility model contacts the rubber pad through the pressure sensor and detects the gravity of the transported goods through the pressure sensor, which can effectively prevent the second connecting arm from being damaged by excessive weight of the goods, and at the same time prevent the second connecting arm from breaking and causing the goods to fall, thereby ensuring the stable support of the forklift support arm and the safety of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the bottom structure of the utility model.

[0016] Figure 3 The first connecting arm and the second connecting arm of the utility model are connected Figure 1 .

[0017] Figure 4 The first connecting arm and the second connecting arm of the utility model are connected Figure 2 .

[0018] In the figure: 1. support frame; 2. connecting block; 3. first guide rod; 4. electric telescopic rod; 5. support column; 6. second guide rod; 7. first connecting arm; 8. rotating shaft; 9. opening; 10. inclined surface; 11. second connecting arm; 12. connecting seat; 13. pressure sensor; 14. rubber pad; 15. connecting side plate; 16. first through groove; 17. second through groove; 18. U-shaped block; 19. sleeve. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figures 1 to 4 The utility model provides a technical solution: a forklift support arm with a stable supporting effect, comprising a support frame 1, a support column 5 is vertically connected to the support frame 1, and first connecting arms 7 are symmetrically arranged on both sides of the support column 5. The first connecting arms 7 are connected to the support column 5 through a telescopic mechanism, such as Figure 1 , 2 As shown, the telescopic mechanism includes a second guide rod 6 symmetrically arranged along the support column 5, the second guide rod 6 is connected between the support column 5 and the inner wall of the support frame 1, the second guide rod 6 passes through the upper end of the first connecting arm 7, and the upper end side wall of the first connecting arm 7 is horizontally connected with a connecting block 2, the connecting block 2 is provided with a second through groove 17, and a sleeve 19 is fixedly connected in the second through groove 17, the second guide rod 6 passes through the sleeve 19, and the adjacent sides of the two first connecting arms 7 are fixedly connected to the support column 5 through the electric telescopic rod 4, the electric telescopic rod 4 is arranged parallel to the second guide rod 6, and the side wall of the first connecting arm 7 is fixedly connected with The connecting side plate 15, one end of the electric telescopic rod 4 is fixedly connected to the connecting side plate 15, the two electric telescopic rods 4 drive the two first connecting arms 7 to move towards each other, and then the distance between the two first connecting arms 7 can be adjusted, which can meet the transportation of different goods and improve practicality. A first through groove 16 is provided on the connecting side plate 15, and a first guide rod 3 is penetrated through the first through groove 16. The first guide rod 3 is connected to the support column 5 and the inner wall of the support frame 1. Under the guiding action of the first guide rod 3 and the second guide rod 6, the two first connecting arms 7 can be guaranteed to perform stable horizontal movement, thereby improving the stability of the device.

[0021] like Figure 1 , 3As shown in Figure 4, the bottom of the first connecting arm 7 is rotatably connected to the second connecting arm 11, and the bottom of the second connecting arm 11 away from the support frame 1 is provided with an inclined surface 10, and the bottom of the inclined surface 10 extends toward the first connecting arm 7, and the second connecting arm 11 is perpendicular to the first connecting arm 7. The bottom of the first connecting arm 7 is provided with an opening 9, and the top of the second connecting arm 11 is vertically connected to a connecting seat 12 at a corresponding position, and the connecting seat 12 extends into the opening 9 and is rotatably connected to the first connecting arm 7 through the rotating shaft 8. One end of the second connecting arm 11 extends to the bottom of the support frame 1, and the top of the second connecting arm 11 is fixedly connected to a pressure The sensor 13 and the bottom of the support frame 1 are fixedly connected with a rubber pad 14, and the top of the pressure sensor 13 is against the rubber pad 14. The lower end of the first connecting arm 7 close to the support frame 1 is fixedly connected with a U-shaped abutment 18, and the U-shaped abutment 18 abuts against the side wall of the support frame 1, and the U-shaped abutment 18 is located above the opening 9. In order to avoid damage caused by contact and extrusion between the first connecting arm 7 and the support frame 1, the U-shaped abutment 18 can be a rubber abutment. When the utility model is in use, the goods to be transported are placed on the top of the second connecting arm 11. Under the action of the gravity of the goods themselves, downward pressure can be generated on the second connecting arm 11 ( Figure 4 The other end of the second connecting arm 11 rotates along the rotating shaft 8 and exerts an upward pressure on the bottom of the supporting frame 1 ( Figure 4 At this time, the pressure sensor 13 is in contact with the rubber pad 14, and the pressure sensor 13 will detect the gravity of the transported goods in real time, thereby preventing the second connecting arm 11 from being damaged by excessive weight of the goods, and preventing the second connecting arm 11 from breaking and causing the goods to fall, thereby improving the safety of use.

[0022] In reality, there are many pressure sensors. For example, the micro-pressure measurement range is generally 0-1000 Pascals (Pa), the low-pressure measurement range is generally 0-200 kilopascals (kPa), the medium-pressure measurement range is generally 0-10 megapascals (MPa), and the high-pressure measurement range is generally 0-100 megapascals (MPa). The pressure sensor in this application can select a pressure sensor with a low pressure measurement range, and its measurement range is 0-20 tons. If a medium-pressure measurement range pressure sensor is selected, the measurement range is higher.

[0023] The pressure sensor is connected to the controller through a wire. The controller can be a PCB chip circuit board, a PLC logic controller, or a single-chip circuit board. In actual use, the controller is set in the cab. The controller is also connected to an alarm and an alarm light. The alarm and the alarm light are installed in a conspicuous position in the cab for the driver to observe. The power required by the sensor and the controller can be directly provided by the forklift.

[0024] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not expressly listed, or also includes elements inherent to such process, method, article, or apparatus.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A forklift support arm with a stable supporting effect, comprising a support frame (1), characterized in that: A support column (5) is vertically connected inside the support frame (1), and first connecting arms (7) are symmetrically provided on both sides of the support column (5), the first connecting arm (7) is connected to the support column (5) through a telescopic mechanism, and the bottom of the first connecting arm (7) is rotatably connected to a second connecting arm (11), and the second connecting arm (11) is vertically positioned to the first connecting arm (7); An opening (9) is provided at the bottom of the first connecting arm (7); a connecting seat (12) is vertically connected to a corresponding position on the top of the second connecting arm (11); the connecting seat (12) extends into the opening (9) and is rotatably connected to the first connecting arm (7) via a rotating shaft (8); one end of the second connecting arm (11) extends to the bottom of the support frame (1); a pressure sensor (13) is fixedly connected to the top of the second connecting arm (11); a rubber pad (14) is fixedly connected to the bottom of the support frame (1); and the top of the pressure sensor (13) abuts against the rubber pad (14).

2. A forklift support arm with stable supporting effect according to claim 1, characterized in that: The telescopic mechanism comprises a second guide rod (6) symmetrically arranged along the support column (5), the second guide rod (6) being connected between the support column (5) and the inner wall of the support frame (1), the second guide rod (6) penetrating the upper end of the first connecting arm (7), the adjacent sides of the two first connecting arms (7) being fixedly connected to the support column (5) through an electric telescopic rod (4), and the electric telescopic rod (4) and the second guide rod (6) being arranged in parallel.

3. A forklift support arm with stable support effect according to claim 2, characterized in that: A connecting side plate (15) is fixedly connected to the side wall of the first connecting arm (7); one end of the electric telescopic rod (4) is fixedly connected to the connecting side plate (15); a first through slot (16) is provided on the connecting side plate (15); a first guide rod (3) runs through the first through slot (16); and the first guide rod (3) is connected to the support column (5) and the inner wall of the support frame (1).

4. A forklift support arm with stable support effect according to claim 2, characterized in that: A connecting block (2) is horizontally connected to the upper side wall of the first connecting arm (7), a second through slot (17) is provided on the connecting block (2), a sleeve (19) is fixedly connected in the second through slot (17), and a second guide rod (6) is arranged to penetrate the sleeve (19).

5. The forklift support arm with stable support effect according to claim 1, characterized in that: A U-shaped stop block (18) is fixedly connected to the lower end of one side of the first connecting arm (7) close to the support frame (1), the U-shaped stop block (18) abuts against the side wall of the support frame (1), and the U-shaped stop block (18) is located above the opening (9).

6. A forklift support arm with stable support effect according to claim 1, characterized in that: An inclined surface (10) is provided at the bottom of one end of the second connecting arm (11) away from the supporting frame (1), and the bottom of the inclined surface (10) extends towards the first connecting arm (7).

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