Integrated electric control log grapple

Abstract

The utility model relates to the technical field of log grapple, in particular to an integrated electric control log grapple which comprises a driving seat, a clamping jaw, a sliding rod, a clamping block B and a mounting plate. Two rotating shafts rotationally connected with the driving seat are symmetrically arranged on the driving seat, the clamping jaws on the two sides are arranged on the rotating shafts on the corresponding sides respectively and meshed with each other, a hydraulic cylinder A for driving the clamping jaws on the two sides to rotate is arranged on the driving seat, and clamping blocks A are arranged at the ends of the rotating shafts. The sliding rod is slidably arranged in a driving seat, and a hydraulic cylinder B for driving the sliding rod to slide is arranged on the driving seat. The clamping block B is arranged at the end, away from the hydraulic cylinder B, of the sliding rod and is in engaged connection with the clamping blocks A on the two sides. The mounting plate is arranged above the driving seat, and a driving piece for driving the driving seat to rotate is arranged in the mounting plate. By adding a matching structure of the clamping block A and the clamping block B, auxiliary braking of the log grapple is achieved, unstable braking caused by force loss of the hydraulic cylinder is prevented, and the whole device is high in structural stability and easy and convenient to operate.

Description

TECHNICAL FIELD

[0001] The utility model relates to wood grabber technical field, especially to a kind of integral type electric control wood grabber. BACKGROUND

[0002] Wood grabber is one of excavator working device, and wood grabber is one of excavator working device accessories specially designed for the specific work requirement of excavator independently, research and development, manufacture, the main structure of wood grabber is gripper and driving part, the opening and closing of gripper is controlled to realize the grabbing and release of wood, the opening and closing of gripper of existing wood grabber structure is controlled by oil cylinder and auxiliary brake, and there is lack of spare brake structure.

[0003] The Chinese patent with the authorization announcement number CN211774083U discloses a kind of wood grabber, including upper connection support, rotating table at the lower end of upper connection support, hydraulic motor for driving rotating table rotation, mounting bracket at the lower end of rotating table, first gripper, second gripper respectively hinged in the two sides of mounting bracket at one end, first oil cylinder, second oil cylinder respectively hinged between first gripper and second gripper and mounting bracket, I-shaped steel is equipped above mounting bracket, the lower end of rotating table is equipped with channel steel with opening, the upper end of I-shaped steel can be sleeved into channel steel, weighing sensor is equipped between the upper end of I-shaped steel and the bottom of channel steel, the top of channel steel outside rotating table is equipped with first limit hole, I-shaped steel is equipped with second limit hole corresponding to the position of first limit hole, and one limit rod is punched into first limit hole and corresponding second limit hole. Through weighing sensor, the weight of the wood grabbed can be obtained in real time.

[0004] But the device still has the following shortcomings: the opening and closing angle brake of the gripper of the wood grabber can only be controlled by oil cylinder when lifting wood, once oil cylinder leaks and causes force reduction, gripper will naturally open or relax synchronously, and wood is easy to fall and damage even hurt people in this case. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problems in the background art, and provides an integral type electric control wood grabber.

[0006] The technical scheme of the utility model: an integral type electric control wood grabber, including drive seat, gripper, sliding rod, block B and mounting plate.

[0007] Two rotation axes of symmetry are arranged on drive seat and rotationally connected therewith, two sides gripper are arranged on corresponding side rotation axis respectively, two sides gripper mutually engage, hydraulic cylinder A for driving two sides gripper rotation is arranged on drive seat, and the end of rotation axis is provided with block A.

[0008] The slide rod is slidably arranged in the driving base, and a hydraulic cylinder B for driving the slide rod to slide is arranged on the driving base.

[0009] Preferably, the clamping jaw is provided with a through hole. The rotating shaft is provided with a spline, and the inside of the through hole of the clamping jaw is provided with a key groove in communication with the spline. The rotating shaft penetrates through the through hole and is slidably connected with the through hole, and the spline is inserted into the key groove and is slidably connected with the key groove.

[0010] Preferably, the clamping jaw is provided with a through hole. The rotating shaft is provided with a spline, and the inside of the through hole of the clamping jaw is provided with a key groove in communication with the spline. The rotating shaft penetrates through the through hole and is slidably connected with the through hole, and the spline is inserted into the key groove and is slidably connected with the key groove.

[0011] Preferably, the driving base is provided with two groups of through shaft holes symmetrically arranged at the bottom, and a bearing shaft is detachably arranged in each of the through shaft holes. The clamping jaws are respectively connected with the bearing shafts on the corresponding sides.

[0012] Preferably, the driving base is provided with two groups of through shaft holes symmetrically arranged at the bottom, and a bearing shaft is detachably arranged in each of the through shaft holes. The clamping jaws are respectively connected with the bearing shafts on the corresponding sides.

[0013] Preferably, the driving base is provided with two groups of through shaft holes symmetrically arranged at the bottom, and a bearing shaft is detachably arranged in each of the through shaft holes. The clamping jaws are respectively connected with the bearing shafts on the corresponding sides.

[0014] Preferably, the driving base is provided with two groups of through shaft holes symmetrically arranged at the bottom, and a bearing shaft is detachably arranged in each of the through shaft holes. The clamping jaws are respectively connected with the bearing shafts on the corresponding sides.

[0015] Compared with the prior art, the utility model has the advantages of the following beneficial technical effects:

[0016] According to the utility model, two groups of hydraulic cylinders A are arranged to drive the corresponding clamping jaws to overturn, and the clamping operation of the clamping jaws is completed by the hydraulic cylinders. According to the prior art, the thrust of the same hydraulic cylinder is greater than the pull force, so that the maximum clamping capacity of the clamping jaw is improved, and the wood with a large weight can be prevented from falling due to the relaxation of the clamping jaw caused by the excessive weight. Meanwhile, the utility model adds the clamping block B driven by the hydraulic cylinder B to assist in braking the wood grabber, so that the braking is firm when the hydraulic cylinder A loses the force, and the whole device has high structural stability and is simple and convenient to operate. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of one embodiment of the utility model;

[0018] Figure 2 It is a rear view of the device;

[0019] Figure 3 Figure 2 is a matching relationship diagram of the card block B and the card block A;

[0020] Figure 4 Figure 3 is a structural schematic diagram of the second embodiment.

[0021] Fig. 1 is a schematic view of the wood grabber; Fig. 2 is a matching relationship diagram of the card block B and the card block A; Fig. 3 is a structural schematic diagram of the second embodiment. DETAILED DESCRIPTION

[0022] Embodiment one

[0023] As Figures 1-3 shown in the figure, the utility model discloses an integral type electric control wood grabber, including drive seat 1, clamping jaw 3, slide bar 7, card block B 8, mounting plate 10 and reinforcing rod.

[0024] Two symmetrical rotating shafts 2 are arranged on the drive seat 1, and the two clamping jaws 3 are arranged on the corresponding rotating shafts 2, respectively. The two clamping jaws 3 are engaged with each other, and a through hole is arranged on the clamping jaw 3. The rotating shaft 2 is provided with a spline 201, and the inner side of the through hole of the clamping jaw 3 is provided with a key groove in communication with the spline 201. The rotating shaft 2 penetrates the through hole and is connected with the through hole in a sliding manner, and the spline is inserted into the key groove and connected with the key groove in a sliding manner. Two groups of through shaft holes are symmetrically arranged on the bottom of the drive seat 1, and a bearing shaft can be detachably arranged in each through shaft hole. The two clamping jaws 3 are connected with the corresponding bearing shafts, respectively. Anti-skid teeth are arranged on the side of the two clamping jaws 3 close to each other. The clamping arms of the clamping jaw 3 are connected by the reinforcing rod. A hydraulic cylinder A 4 is arranged on the drive seat 1 to drive the rotation of the two clamping jaws 3. Fixed blocks are symmetrically arranged on the bottom of the drive seat 1, and a pin shaft is rotatably arranged in the fixed block. The cylinder barrel bottom of the hydraulic cylinder A 4 is rotatably connected with the corresponding pin shaft. The end of the rotating shaft 2 is provided with a card block A 5.

[0025] The slide bar 7 is arranged in the drive seat 1 in a sliding manner, and a hydraulic cylinder B 6 is arranged on the drive seat 1 to drive the sliding of the slide bar 7. The card block B 8 is arranged at the end of the slide bar 7 away from the hydraulic cylinder B 6, and the card block B 8 is engaged with the two card blocks A 5. The mounting plate 10 is arranged above the drive seat 1, and a driving member is arranged in the mounting plate 10 to drive the rotation of the drive seat 1. The driving member includes a motor 11 and a gear set. The drive seat 1 is provided with a stand 9, which is inserted into the mounting plate 10 and connected with the mounting plate 10 in a rotating manner. The stand 9 and the output shaft of the motor 11 are connected through the gear set.

[0026] In the embodiment, the device is installed on a mechanical arm, when the wood is grabbed and transferred, the hydraulic cylinder A4 is controlled to start, the hydraulic cylinder A4 pulls the two side clamps 3 to open, the wood is located inside the opening of the two side clamps 3, the hydraulic cylinder A4 is started to drive the two side clamps 3 to rotate, the two side clamps 3 are close to each other under the driving of the hydraulic cylinder A4 and clamp the wood, then the wood is lifted, in the process, because the clamps 3 need to bear the weight of the wood, the hydraulic cylinder A4 needs to increase the pressure to assist the clamps 3 to brake, if it is found that the brake cannot be clamped, the hydraulic cylinder B6 can be started in time, the clamping block B8 is pulled to retract and mesh with the clamping block A4, the meshing relationship between the clamping block B8 and the clamping block A4 is used to prevent the clamps 3 from expanding, so that the wood is prevented from falling due to the relaxation of the clamps 3.

[0027] Embodiment two

[0028] As shown in Figure 2 and Figure 4 the utility model discloses a kind of integrated electric control wood grabbers, compared with embodiment one, two side clamping blocks A5 mesh connection, clamping block B7 and one of clamping blocks A5 mesh connection.

[0029] In the embodiment, due to the meshing of the two side clamping blocks A5, the opening and closing of the two side shafts 2 have very high consistency, so that the two side clamps of the wood grabber are always symmetrical about the opening center line, and based on the structure, when one side hydraulic cylinder A4 loses power, only using the other side hydraulic cylinder A4 to drive the opening and closing of the other side clamp 3 can also realize the synchronous control of the opening and closing of the other side clamp 3, to prevent the wood from falling from high altitude.

[0030] Embodiment three

[0031] The utility model discloses a kind of integrated electric control wood grabbers, compared with embodiment one, signal receiver and controller are arranged in drive seat 1, signal receiver and controller are electrically connected, controller and hydraulic cylinder A4, hydraulic cylinder B6, motor 11 and driving piece are electrically connected.

[0032] In the embodiment, conventional wood grabbers can only be opened and closed, rotated and turned over manually in the vehicle, the vehicle staff needs to accurately place the wood in the appropriate position according to the gesture instructions of the vehicle staff outside, which is time-consuming and laborious, and generally the accuracy is not high, while the embodiment uses a remote controller to control, which is convenient for the staff to control the wood grabber outside the vehicle.

[0033] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to this, within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the purpose of the utility model.

Claims

1. An integrated electrically controlled log grapple, characterized in that, It includes a drive base (1), a gripper (3), a slide bar (7), a locking block B (8), and a mounting plate (10); Two rotating shafts (2) are symmetrically arranged on the drive seat (1) and rotated thereon. The two grippers (3) are respectively arranged on the corresponding rotating shafts (2). The two grippers (3) mesh with each other. The drive seat (1) is equipped with a hydraulic cylinder A (4) to drive the two grippers (3) to rotate. The end of the rotating shaft (2) is equipped with a locking block A (5). The slide rod (7) is slidably disposed inside the drive seat (1), and the drive seat (1) is provided with a hydraulic cylinder B (6) for driving the slide rod (7) to slide; the locking block B (8) is disposed at the end of the slide rod (7) away from the hydraulic cylinder B (6), and the locking block B (8) is engaged with the locking blocks A (5) on both sides; the mounting plate (10) is disposed above the drive seat (1), and the mounting plate (10) is provided with a driving component for driving the drive seat (1) to rotate.

2. The integrated electrically controlled log grapple according to claim 1, characterized in that, A through hole is provided on the jaw (3); a spline (201) is provided on the shaft (2); a keyway communicating with the through hole of the jaw (3) is provided on the inner side of the through hole; the shaft (2) passes through the through hole and is slidably connected with it; and the spline is inserted into the keyway and is slidably connected with it.

3. The integrated electrically controlled log grapple according to claim 1, characterized in that, It also includes a reinforcing rod; anti-slip teeth are provided on the side of the two grippers (3) that are close to each other, and each gripper arm of the gripper (3) is connected by a reinforcing rod.

4. The integrated electrically controlled log gripper according to claim 1, characterized in that, Two sets of through-shaft holes are symmetrically arranged at the bottom of the drive seat (1). The load-bearing shafts can be detachably installed in the through-shaft holes on both sides, and the clamps (3) on both sides are connected to the corresponding load-bearing shafts respectively.

5. The integrated electrically controlled log grapple according to claim 1, characterized in that, A fixed block is symmetrically arranged at the bottom of the drive seat (1), and a pin is rotatably arranged inside the fixed block. The bottom of the cylinder of the hydraulic cylinder A (4) is rotatably connected to the corresponding side pin.

6. The integrated electrically controlled log gripper according to claim 1, characterized in that, The driving components include a motor (11) and a gear set; a column (9) is provided on the drive base (1), the column (9) is inserted into the mounting plate (10) and rotatably connected to it, and the column (9) is connected to the output shaft of the motor (11) through the gear set.

7. The integrated electrically controlled log grapple according to claim 1, characterized in that, A signal receiver and a controller are installed inside the drive unit (1). The signal receiver is electrically connected to the controller, and the controller is electrically connected to the hydraulic cylinder A (4), the hydraulic cylinder B (6), the motor (11), and the drive components.

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