Hydraulic gripper capable of preventing box body from falling off

Abstract

The utility model discloses a hydraulic gripper for preventing a box body from falling off, which relates to the technical field of forklift accessories and comprises a sleeve frame and a fixing seat, a support frame is connected below the sleeve frame, and cross frames distributed at equal intervals are connected to the inner side of the support frame. When the hydraulic gripper capable of preventing the box body from falling off is used, a pallet fork of a forklift is sleeved with the sleeve frame, then the hook plates are located on the two sides of the cargo box body, the oil cylinder extends to push one end of the rotating disc, the center of the rotating disc rotates clockwise around a movable shaft of the fixing base, the two ends of the rotating disc pull the transmission rod, and the transmission rod rotates around the two ends of the rotating disc; and meanwhile, the other end of the transmission rod pushes the connecting rod to rotate around the rotating seat, the connecting rod drives the hook plates to clamp the two sides of a cargo box body, the rubber plate protects the box body, cargo can be clamped and placed through stretching and retracting of the oil cylinder, manual labor can be reduced, and the convenience of the hydraulic gripper is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of forklift attachments, in particular to a hydraulic gripper for preventing a box from falling off. Background Art

[0002] A forklift is an industrial vehicle used for handling and stacking goods. It is typically equipped with two adjustable forks for lifting and moving heavy objects. Forklifts come in various types, including electric, internal combustion, and liquefied gas forklifts, adapted to different work environments and load requirements. They are widely used in warehouses, manufacturing, and logistics centers, improving the efficiency and safety of cargo handling.

[0003] However, existing forklift forks have the following disadvantages: since most forklift forks are supported under the cargo box, when there is no pallet at the bottom of the cargo box, the cargo box is likely to fall off above the fork arm, resulting in reduced practicality of the fork. In addition, the cargo usually needs to be moved manually, which is physically demanding. Therefore, we propose a hydraulic gripper that prevents the box from falling off. Utility Model Content

[0004] The purpose of the utility model is to provide a hydraulic gripper that prevents a box from falling off, so as to solve the problem raised in the above background technology that the forklift forks currently on the market are inconvenient for clamping and carrying goods, and manual handling is relatively labor-intensive.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydraulic gripper for preventing a box from falling off, comprising a sleeve frame and a fixed seat, wherein the sleeve frame is connected to a support frame at the bottom, and the inner side of the support frame is connected to cross frames distributed at equal intervals, the fixed seat is installed on the inner side of the sleeve frame, and the two sides of the fixed seat are connected to a clamping mechanism, and connecting rods are installed at both ends of the clamping mechanism, and the bottom of the clamping mechanism is connected to the cross frame, and the clamping mechanism comprises a turntable, a transmission rod and an oil cylinder, and the inner side of the fixed seat is connected to a turntable through a movable shaft.

[0006] Preferably, both ends of the turntable are connected to transmission rods via a movable shaft, and one end of the transmission rod away from the turntable is connected to the connecting rod via a movable shaft.

[0007] Preferably, an oil cylinder is connected between one end of the turntable and the cross frame via a movable shaft.

[0008] Preferably, rotating seats are fixed to both ends of the support frame close to the connecting rod, and the rotating seats and the connecting rod are connected by a movable shaft, and a hook plate is fixedly connected to one side of the connecting rod.

[0009] Preferably, a rubber plate is pasted on the inner wall of the bottom end of the hook plate, a fixing block is connected below the support frame, and a bidirectional electric telescopic rod is fixedly connected to the sleeve frame near the bottom of the support frame.

[0010] Preferably, both ends of the bidirectional electric telescopic rod are connected to auxiliary mechanisms, and the fixing block and the support frame are connected to the auxiliary mechanisms.

[0011] Preferably, the auxiliary mechanism includes a No. 1 slide bar, a splint, an anti-slide plate and a No. 2 slide bar, both ends of the bidirectional electric telescopic rod are connected to the No. 2 slide bar, and one end of the No. 2 slide bar is connected to the splint.

[0012] Preferably, the side of the splint close to the No. 2 slide bar is connected to the No. 1 slide bar, and the No. 1 slide bar and the No. 2 slide bar both slide through the inner side of the fixed block and the support frame, and anti-slip plates distributed at equal intervals are fixed on the inner wall of the side of the splint close to the No. 1 slide bar and the No. 2 slide bar.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. A clamping mechanism is provided. By putting the sleeve frame on the fork of the forklift, and then making the hook plates located on both sides of the cargo box, the oil cylinder extends and pushes one end of the turntable, so that the center of the turntable rotates clockwise around the movable axis of the fixed seat, and the two ends of the turntable pull the transmission rod to rotate around the two ends of the turntable. At the same time, the other end of the transmission rod pushes the connecting rod to rotate around the rotating seat. The connecting rod drives the hook plates to clamp on both sides of the cargo box. The rubber plate protects the box. The cargo can be clamped and placed by extending and retracting the oil cylinder, which can reduce manual labor and improve the convenience of the hydraulic gripper.

[0015] 2. An auxiliary mechanism is provided. When the hook plate is clamped on both sides of the cargo box, the two-way electric telescopic rod is started to retract, driving the No. 2 slide bar and the No. 1 slide bar to slide on the inner side of the fixed block and the support frame, so that the No. 2 slide bar and the No. 1 slide bar pull the splint against the other two sides of the cargo box. The equally spaced anti-skid plates increase the friction. The setting of the splint can prevent the cargo box from shifting left and right and falling off, thereby improving the stability of the hydraulic gripper. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the auxiliary mechanism of the utility model;

[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of the clamping mechanism of the utility model;

[0019] Figure 4 This is a schematic diagram of the three-dimensional structure of the support frame of the utility model.

[0020] In the figure: 1. Sleeve frame; 2. Hook plate; 3. Rubber plate; 4. Connecting rod; 5. Clamping mechanism; 501. Turntable; 502. Transmission rod; 503. Cylinder; 6. Rotating seat; 7. Fixed seat; 8. Support frame; 9. Auxiliary mechanism; 901. Sliding bar No. 1; 902. Clamping plate; 903. Anti-skid plate; 904. Sliding bar No. 2; 10. Fixed block; 11. Two-way electric telescopic rod; 12. Horizontal frame. DETAILED DESCRIPTION

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

[0022] See also Figures 1-4 The utility model provides a technical solution: a hydraulic gripper for preventing a box from falling off, comprising a sleeve 1 and a fixed seat 7, a support frame 8 being connected to the bottom of the sleeve 1, and a horizontal frame 12 distributed at equal intervals being connected to the inner side of the support frame 8, the fixed seat 7 being installed on the inner side of the sleeve 1, and a clamping mechanism 5 being connected to both sides of the fixed seat 7.

[0023] See also Figure 1 and Figure 3 , connecting rods 4 are installed at both ends of the clamping mechanism 5, and the lower part of the clamping mechanism 5 is connected to the cross frame 12. The clamping mechanism 5 includes a turntable 501, a transmission rod 502 and a cylinder 503. The inner side of the fixed seat 7 is connected to the turntable 501 through a movable shaft, and the two ends of the turntable 501 are connected to the transmission rod 502 through a movable shaft, and the end of the transmission rod 502 away from the turntable 501 is connected to the connecting rod 4 through a movable shaft, and the oil cylinder 503 is connected between one end of the turntable 501 and the cross frame 12 through a movable shaft. The supporting frame 8 is fixed with a rotating seat 6 near both ends of the connecting rod 4, and the rotating seat 6 and the connecting rod 4 are connected by a movable shaft. One side of the connecting rod 4 is fixedly connected to a hook plate 2, and a rubber plate 3 is pasted on the inner wall of the bottom end of the hook plate 2. The shape of the turntable 501 is elliptical.

[0024] In specific implementation, since the forks of most forklifts are supported under the cargo box, the cargo box is prone to slipping above the fork arm, which reduces the practicality of the fork. Therefore, the goods usually need to be carried manually, but manual carrying is more physically demanding. The sleeve 1 can be put on the fork of the forklift, and then the hook plate 2 is located on both sides of the cargo box. The cylinder 503 is extended to push one end of the turntable 501, so that the center of the turntable 501 rotates clockwise around the movable axis of the fixed seat 7. The two ends of the turntable 501 pull the transmission rod 502, so that the transmission rod 502 rotates around the two ends of the turntable 501. At the same time, the other end of the transmission rod 502 pushes the connecting rod 4 to rotate around the rotating seat 6. The connecting rod 4 drives the hook plate 2 to clamp on both sides of the cargo box. The rubber plate 3 protects the box. The goods can be clamped and placed by the extension and contraction of the cylinder 503, which can reduce manual labor and improve the convenience of the hydraulic gripper.

[0025] See also Figure 1 、 Figure 2 and Figure 4 , a fixed block 10 is connected to the bottom of the support frame 8, and the sleeve 1 is fixedly connected to a two-way electric telescopic rod 11 near the bottom of the support frame 8, and both ends of the two-way electric telescopic rod 11 are connected to an auxiliary mechanism 9, the fixed block 10 and the support frame 8 are connected to the auxiliary mechanism 9, and the auxiliary mechanism 9 includes a No. 1 slide bar 901, a splint 902, an anti-slide plate 903 and a No. 2 slide bar 904, and both ends of the two-way electric telescopic rod 11 are connected to a No. 2 slide bar 904, and one end of the No. 2 slide bar 904 is connected to a splint 902, and the side of the splint 902 close to the No. 2 slide bar 904 is connected to the No. 1 slide bar 901, and the No. 1 slide bar 901 and the No. 2 slide bar 904 both slide through the fixed block 10 and the inner side of the support frame 8, and the anti-slide plate 903 distributed at equal intervals is fixed on the inner wall of the side of the splint 902 close to the No. 1 slide bar 901 and the No. 2 slide bar 904, and the cross-sectional shape of the anti-slide plate 903 is triangular.

[0026] During specific implementation, since only the two sides of the cargo box are clamped, the stability is not very high and the cargo box is prone to left and right deviation. While the hook plate 2 is clamped on both sides of the cargo box, the two-way electric telescopic rod 11 is started to contract, driving the second slide bar 904 and the first slide bar 901 to slide on the inner side of the fixed block 10 and the support frame 8, so that the second slide bar 904 and the first slide bar 901 pull the splint 902 against the other two sides of the cargo box. The equally spaced anti-slip plates 903 increase the friction force. Through the setting of the splint 902, the cargo box can be prevented from deviating to the left and right and falling off, thereby improving the stability of the hydraulic gripper.

[0027] Working principle: When using the hydraulic gripper to prevent the box from falling off, first install the support frame 8 on the fork of the forklift through the sleeve 1, and then use the clamping mechanism 5 to stably clamp both sides of the cargo box. At the same time, the two-way electric telescopic rod 11 and the auxiliary mechanism 9 are used to clamp the other two sides of the box. This can improve the stability of the hydraulic gripper while facilitating transportation. The contents not described in detail in this description belong to the existing technology known to professional and technical personnel in this field.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A hydraulic gripper for preventing a box from falling off, comprising a sleeve (1) and a fixing seat (7), characterized in that: The lower part of the sleeve frame (1) is connected to a support frame (8), the inner side of the support frame (8) is connected to horizontal frames (12) distributed at equal intervals, the fixed seat (7) is installed on the inner side of the sleeve frame (1), the two sides of the fixed seat (7) are connected to a clamping mechanism (5), the two ends of the clamping mechanism (5) are installed with connecting rods (4), the lower part of the clamping mechanism (5) is connected to the horizontal frame (12), the clamping mechanism (5) includes a turntable (501), a transmission rod (502) and an oil cylinder (503), and the inner side of the fixed seat (7) is connected to the turntable (501) through a movable shaft.

2. The hydraulic gripper for preventing the box from falling off according to claim 1, characterized in that: Both ends of the rotating disk (501) are connected to transmission rods (502) via a movable shaft, and one end of the transmission rod (502) away from the rotating disk (501) is connected to a connecting rod (4) via a movable shaft.

3. The hydraulic gripper for preventing the box from falling off according to claim 2, characterized in that: An oil cylinder (503) is connected between one end of the rotating disk (501) and the horizontal frame (12) via a movable shaft.

4. The hydraulic gripper for preventing the box from falling off according to claim 1, characterized in that: The support frame (8) is fixed with a rotating seat (6) at both ends close to the connecting rod (4), and the rotating seat (6) and the connecting rod (4) are connected by a movable shaft. One side of the connecting rod (4) is fixedly connected with a hook plate (2).

5. The hydraulic gripper for preventing the box from falling off according to claim 4, characterized in that: A rubber plate (3) is adhered to the inner wall of the bottom end of the hook plate (2), a fixed block (10) is connected below the support frame (8), and a bidirectional electric telescopic rod (11) is fixedly connected to the bottom of the sleeve frame (1) near the support frame (8).

6. The hydraulic gripper for preventing the box from falling off according to claim 5, characterized in that: Both ends of the bidirectional electric telescopic rod (11) are connected to auxiliary mechanisms (9), and the fixed block (10) and the support frame (8) are connected to the auxiliary mechanisms (9).

7. The hydraulic gripper for preventing the box from falling off according to claim 6, characterized in that: The auxiliary mechanism (9) comprises a first slide bar (901), a clamping plate (902), an anti-slide plate (903) and a second slide bar (904); both ends of the bidirectional electric telescopic rod (11) are connected to the second slide bar (904); and one end of the second slide bar (904) is connected to the clamping plate (902).

8. The hydraulic gripper for preventing the box from falling off according to claim 7, characterized in that: The side of the splint (902) close to the second slide bar (904) is connected to the first slide bar (901), and the first slide bar (901) and the second slide bar (904) are both slidably passed through the inner side of the fixed block (10) and the support frame (8), and anti-slide plates (903) distributed at equal intervals are fixed on the inner wall of the side of the splint (902) close to the first slide bar (901) and the second slide bar (904).

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