Grabbing structure of timber grab

Abstract

The utility model discloses a grabbing structure of a timber grab, which relates to the technical field of timber grabs, and comprises a mounting table and two grabbing arms, the bottom end of each grabbing arm is provided with a connecting groove, the middle part of each connecting groove is rotatably connected with a support shaft, the middle part of each support shaft is provided with a connecting arm, and the connecting arms are arranged on the mounting table. A supporting plate is arranged at the bottom end of each connecting arm, a first gear is arranged at one end of each supporting shaft, and a connecting shaft is rotationally arranged above each supporting shaft; the wood grabbing machine has the advantages that the wood grabbing machine can better adapt to wood of different shapes and sizes through the rotatable auxiliary plates, the working efficiency is improved, meanwhile, the contact area between each auxiliary plate and the wood is increased through the positioning rods on the two sides of the auxiliary plates, the contact area between the auxiliary plates and the wood is increased through the multiple auxiliary plates, and therefore the wood grabbing machine is more convenient to use. And the stability and the safety of grabbing operation are improved.

Description

Technical Field

[0001] The utility model relates to a grabbing structure, in particular to a grabbing structure of a wood grabber, and belongs to the technical field of wood grabbers. Background Art

[0002] The grabbing structure of a conventional wood grabber often adopts a fixed design, which has poor adaptability to wood of different sizes and shapes and low working efficiency. Therefore, a grabbing structure of a wood grabber is needed;

[0003] Among them, the "grasping mechanism of a wood grabber" disclosed in the application number "CN207174875U" is also an increasingly mature technology, including two clamping claws connected to the cantilever of the wood grabber and hinged to each other, each of the clamping claws is provided with a clamping claw assembly, and each group of the clamping claw assemblies includes a plurality of clamping claw rods fixedly connected to the lower end surface of the clamping claw, and each lower end surface of the clamping claw rod is hinged with a push plate, and the side wall of the push plate away from the center of the two clamping claws is provided with an inclined surface for contacting with the ground, and the lower end surface of the clamping claw rod is provided with an abutment block for limiting the rotation of the push plate away from the center direction of the two clamping claws. The grabbing mechanism of a wood grabber of the utility model can more conveniently clamp multiple pieces of wood laid on the ground;

[0004] However, the above method still has the following defects in actual use: the gripping range of the device's jaws is limited, the jaw angle cannot be adjusted secondary, it is inconvenient to adapt to wood of different shapes and sizes, it is not flexible enough to use, and the stability of gripping wood needs to be improved. Utility Model Content

[0005] The purpose of the utility model is to provide a grabbing structure for a wood grabber to solve the problems raised in the above-mentioned background technology that the grabbing range of the jaws of the device is limited, the angle of the jaws cannot be adjusted secondary, it is inconvenient to adapt to wood of different shapes and sizes, it is not flexible to use, and the stability of grabbing wood needs to be improved.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a grabbing structure of a wood grabber, comprising a mounting platform and two grabbing arms, a connecting groove is provided at the bottom end of each grabbing arm, a support shaft is rotatably connected to the middle of each connecting groove, a connecting arm is provided in the middle of each support shaft, a support plate is provided at the bottom end of each connecting arm, a first gear is provided at one end of each support shaft, a connecting shaft is rotatably provided above each support shaft, a second gear is provided at one end of each connecting shaft, the first gear is meshingly connected to the second gear, and an adjustment component is provided on the surface of each support plate.

[0007] As a preferred technical solution of the utility model, a torque motor is arranged at the bottom of one side of each grabbing arm through a motor seat, and the transmission shafts of the two torque motors are fixedly connected to one end of the two connecting shafts respectively.

[0008] As a preferred technical solution of the utility model, a protection box is provided at the bottom of the other side of each grabbing arm, and a protection cover is provided on the surface of the two protection boxes.

[0009] As a preferred technical solution of the utility model, each of the adjustment components includes two connecting sleeves, two positioning rods and two auxiliary plates. The two connecting sleeves are respectively arranged on both sides of the corresponding support plates. Each of the connecting sleeves is provided with a positioning rod through bolts, and the surface of each positioning rod is slidably matched with an auxiliary plate.

[0010] As a preferred technical solution of the utility model, the top of each positioning rod and the top of each auxiliary plate are provided with mutually matching connecting holes, and a locking bolt is threadedly connected between every two corresponding connecting holes.

[0011] As a preferred technical solution of the utility model, two fixed plates are provided in the middle of the bottom end of the mounting platform, two mounting shafts are provided between the two fixed plates, and the tops of the two grabbing arms are rotatably connected to the middle of the two mounting shafts respectively.

[0012] As a preferred technical solution of the utility model, a first connecting seat is provided on both sides of the bottom end of the mounting platform, a mounting block is rotatably connected inside each of the first connecting seats, an electric cylinder is provided at one end of each of the mounting blocks, a connecting block is provided at the telescopic end of each of the electric cylinders, a second connecting seat is provided in the middle of each of the grabbing arms, and the surfaces of the two connecting blocks are rotatably connected to the inside of the two second connecting seats respectively.

[0013] As a preferred technical solution of the utility model, the inner wall of each support plate and the inner wall of each auxiliary plate are provided with anti-slip teeth.

[0014] Compared with the related art, the grabbing structure of the wood grabber provided by the utility model has the following beneficial effects:

[0015] In order to facilitate the secondary adjustment of the grabbing angle, the transmission shaft of the torque motor drives the connecting shaft to rotate synchronously. Under the cooperation of the connecting shaft, the first gear and the second gear, the auxiliary plate can rotate with the supporting shaft as the center. The rotatable auxiliary plate enables the wood grabber to better adapt to wood of different shapes and sizes, thereby improving work efficiency. In the horizontal state, the auxiliary plate has a good limiting effect on the bottom end of the wood, which can prevent the wood from accidentally falling off. At the same time, each auxiliary plate increases the contact area with the wood through the positioning rods on both sides and the auxiliary plate. The contact area with the wood is increased by multiple auxiliary plates, thereby improving the stability and safety of the grabbing operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the top view structure of the utility model;

[0019] Figure 4 For this utility model Figure 2 A is an enlarged structural diagram of FIG.

[0020] In the figure: 1. mounting table; 101. first connecting seat; 1011. mounting block; 102. electric cylinder; 103. connecting block; 104. second connecting seat; 11. mounting shaft; 2. fixing plate; 3. grabbing arm; 4. connecting groove; 5. supporting shaft; 51. first gear; 6. connecting arm; 62. supporting plate; 621. anti-skid tooth; 7. connecting shaft; 701. protective box; 702. protective cover; 71. second gear; 72. torque motor; 9. adjusting assembly; 91. connecting sleeve; 92. positioning rod; 93. auxiliary plate; 94. connecting hole. 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 1-4The utility model provides a grabbing structure of a wood grabber, including a mounting platform 1 and two grabbing arms 3, a connecting groove 4 is provided at the bottom end of each grabbing arm 3, a supporting shaft 5 is rotatably connected to the middle of each connecting groove 4, a connecting arm 6 is fixedly provided at the middle of each supporting shaft 5, a supporting plate 62 is fixedly provided at the bottom end of each connecting arm 6, and the grabbing range is controlled by the rotatable supporting plate 62, a first gear 51 is fixedly provided at one end of each supporting shaft 5, a connecting shaft 7 is rotatably provided above each supporting shaft 5, a second gear 71 is fixedly provided at one end of each connecting shaft 7, the first gear 51 is meshingly connected with the second gear 71, and an adjusting component 9 is provided on the surface of each supporting plate 62.

[0023] A torque motor 72 is fixedly installed at the bottom of one side of each grabbing arm 3 through a motor seat. The transmission shafts of the two torque motors 72 are fixedly connected to one end of the two connecting shafts 7 respectively. The transmission shafts of the torque motors 72 drive the connecting shafts 7 to rotate synchronously. When the connecting shafts 7 rotate, they drive the second gear 71 connected thereto to rotate.

[0024] A protective box 701 is fixedly provided at the bottom of the other side of each grabbing arm 3, and a protective cover 702 is provided on the surface of the two protective boxes 701. The protective boxes 701 prevent dust and debris from entering the interior, thereby reducing the impact of foreign matter on the first gear 51 and the second gear 71.

[0025] Each adjustment component 9 includes two connecting sleeves 91, two positioning rods 92 and two auxiliary plates 93. The two connecting sleeves 91 are fixedly arranged on both sides of the corresponding support plate 62, and each connecting sleeve 91 is provided with a positioning rod 92 by bolts. The surface of each positioning rod 92 is slidably matched with an auxiliary plate 93. The auxiliary plates 93 on both sides increase the contact area with the wood, reduce the deviation caused by gravity imbalance, and improve the stability of grabbing the wood.

[0026] The top of each positioning rod 92 and the top of each auxiliary plate 93 are provided with matching connecting holes 94, and a locking bolt is threadedly connected between every two corresponding connecting holes 94. The position of the auxiliary plate 93 can be freely adjusted through the detachable locking bolt, so as to conveniently control the grabbing area of ​​the wood.

[0027] Two fixing plates 2 are fixedly arranged in the middle of the bottom end of the mounting platform 1 , two mounting shafts 11 are fixedly arranged between the two fixing plates 2 , and the tops of the two grabbing arms 3 are rotatably connected to the middle of the two mounting shafts 11 .

[0028] A first connecting seat 101 is fixedly provided on both sides of the bottom end of the mounting platform 1, and a mounting block 1011 is rotatably connected inside each first connecting seat 101, an electric cylinder 102 is fixedly provided at one end of each mounting block 1011, a connecting block 103 is fixedly provided at the telescopic end of each electric cylinder 102, and a second connecting seat 104 is fixedly provided in the middle part of each grabbing arm 3, and the surfaces of the two connecting blocks 103 are respectively rotatably connected to the inside of the two second connecting seats 104, and the angle of the grabbing arm 3 is adjusted by controlling the length of the telescopic end of each electric cylinder 102, thereby realizing the angle adjustment of opening and closing.

[0029] The inner wall of each support plate 62 and the inner wall of each auxiliary plate 93 are fixedly provided with anti-skid teeth 621, and the friction between the gripping structure and the wood is improved by the anti-skid teeth 621.

[0030] When in use, first adjust the angle of the grabbing arm 3, the staff controls the length of the telescopic end of the electric cylinder 102, and the telescopic end of the electric cylinder 102 pulls the grabbing arm 3 to rotate the mounting shaft 11 through the cooperation of the connecting block 103 and the second connecting seat 104, so as to realize the angle adjustment of the opening and closing of the grabbing arm 3. In order to facilitate the secondary adjustment of the grabbing angle, the transmission shaft of the torque motor 72 is controlled to rotate forward and reverse, and the transmission shaft of the torque motor 72 drives the connecting shaft 7 to rotate synchronously. When the connecting shaft 7 rotates, it drives the second gear 71 connected thereto to rotate. The auxiliary plate 93 can rotate with the support shaft 5 as the center through the meshing connection of the first gear 51 and the second gear 71. The rotatable auxiliary plate 93 enables the wood grabber to better adapt to wood of different shapes and sizes, thereby improving work efficiency. In the horizontal state, the auxiliary plate 93 has a good limiting effect on the bottom end of the wood, thereby preventing the wood from accidentally falling off. At the same time, each auxiliary plate 93 increases the contact area with the wood through the positioning rods 92 on both sides and the auxiliary plate 93, thereby improving the stability of the grasping operation. The friction between the grasping structure and the wood is increased through the anti-slip teeth 621.

[0031] 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 grabbing structure of a wood grabber, comprising a mounting platform (1) and two grabbing arms (3), characterized in that: A connecting groove (4) is provided at the bottom end of each grabbing arm (3); a support shaft (5) is rotatably connected to the middle of each connecting groove (4); a connecting arm (6) is provided at the middle of each support shaft (5); a support plate (62) is provided at the bottom end of each connecting arm (6); a first gear (51) is provided at one end of each support shaft (5); a connecting shaft (7) is rotatably provided above each support shaft (5); a second gear (71) is provided at one end of each connecting shaft (7); the first gear (51) is meshingly connected with the second gear (71); and an adjustment component (9) is provided on the surface of each support plate (62).

2. The grabbing structure of a wood grabber according to claim 1, characterized in that: A torque motor (72) is provided at the bottom of one side of each grabbing arm (3) via a motor seat, and the transmission shafts of the two torque motors (72) are fixedly connected to one end of the two connecting shafts (7) respectively.

3. The grabbing structure of a wood grabber according to claim 1, characterized in that: A protection box (701) is provided at the bottom of the other side of each grabbing arm (3), and a protection cover (702) is provided on the surface of the two protection boxes (701).

4. The grabbing structure of a wood grabber according to claim 1, characterized in that: Each of the adjustment components (9) comprises two connecting sleeves (91), two positioning rods (92) and two auxiliary plates (93); the two connecting sleeves (91) are respectively arranged on both sides of the corresponding support plate (62); each of the connecting sleeves (91) is provided with a positioning rod (92) via bolts; and the surface of each of the positioning rods (92) is slidably matched with an auxiliary plate (93).

5. The grabbing structure of a wood grabber according to claim 4, characterized in that: The top of each positioning rod (92) and the top of each auxiliary plate (93) are provided with connecting holes (94) that match each other, and a locking bolt is threadedly connected between every two corresponding connecting holes (94).

6. The grabbing structure of a wood grabber according to claim 1, characterized in that: Two fixing plates (2) are arranged in the middle of the bottom end of the mounting platform (1), two mounting shafts (11) are arranged between the two fixing plates (2), and the tops of the two grabbing arms (3) are rotatably connected to the middle of the two mounting shafts (11) respectively.

7. The grabbing structure of a wood grabber according to claim 1, characterized in that: A first connecting seat (101) is provided on both sides of the bottom end of the mounting platform (1), and a mounting block (1011) is rotatably connected inside each of the first connecting seats (101), and an electric cylinder (102) is provided at one end of each of the mounting blocks (1011), and a connecting block (103) is provided at the telescopic end of each of the electric cylinders (102), and a second connecting seat (104) is provided in the middle of each of the grabbing arms (3), and the surfaces of the two connecting blocks (103) are rotatably connected to the inside of the two second connecting seats (104) respectively.

8. The grabbing structure of a wood grabber according to claim 4, characterized in that: The inner wall of each support plate (62) and the inner wall of each auxiliary plate (93) are provided with anti-slip teeth (621).

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