Multi-stage telescopic carrying mechanical arm

Abstract

The multi-stage telescopic carrying mechanical arm comprises a supporting seat, the upper end of the supporting seat is rotationally connected with a rotating rod, a first hydraulic telescopic rod is installed on the right side of the upper end part of the rotating rod, and the telescopic end of the first hydraulic telescopic rod is fixedly connected with an installation block; a second hydraulic telescopic rod is mounted at the lower end of the mounting block, a mounting plate is fixedly connected to the telescopic end of the second hydraulic telescopic rod, a rotating rod is rotatably connected to the lower end of the mounting plate, a rotating plate is fixedly connected to the lower end of the rotating rod, and the first hydraulic telescopic rod and the second hydraulic telescopic rod are both multi-section telescopic rods. An alarm is mounted at the upper end of the supporting seat; and the first rotating mechanism is used for driving the rotating rod to rotate. The mechanical arm is high in overall adaptability, the clamping angle and the placing angle can be adjusted, in addition, an alarm is further arranged, and the using safety of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of transport devices, in particular to a multi-stage telescopic transport mechanical arm. Background Art

[0002] With the rapid development of modern logistics industry and the improvement of people's living standards, the number of express delivery, parcels and other mails is increasing. In some logistics transit centers, there are a large number of mails waiting to be loaded and unloaded and transported every day. If all of them are transported by manpower, it will consume a lot of labor and increase the labor cost of express delivery companies.

[0003] To this end, the utility model patent with announcement number CN215701673U discloses a handling robot arm, comprising a base; a fixing rod, the top of the base is rotatably plugged with the fixing rod; a driving mechanism, the surface of the fixing rod is located outside the base and is fixedly installed with the driving mechanism; an adjusting mechanism, the top of one side of the fixing rod is fixedly installed with the adjusting mechanism; a clamping mechanism, the clamping mechanism comprises a clamping plate, a first electric push rod, a fixing plate and a mounting plate, the bottom side of the adjusting mechanism is fixedly installed with a mounting plate, the bottom two side edges of the mounting plate are fixedly welded with fixing plates, and the sides of the fixing plates close to each other are fixedly installed with the first electric push rod. The utility model effectively solves the problem that the fixing effect of the existing handling robot arm is poor during the handling process, or the objects fall off, which not only damages the objects, but also brings certain dangers to the operators;

[0004] However, in actual use, we found that when the above-mentioned device is in use, its limiting part cannot rotate, resulting in poor actual adjustability. The clamping limit can only be achieved when the two side parts of the device being transported and the clamping plate part of the limiting mechanism are in a parallel state when close. In addition, after the clamping limit is completed, the transported items can only be placed at a fixed angle after being placed in a fixed position and cannot be adjusted. Summary of the invention

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a multi-stage telescopic handling robot arm. The overall adaptability of the robot arm is strong, and the angles can be adjusted during clamping and placement. In addition, an alarm is provided to improve the safety of the device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A multi-stage telescopic handling robot arm comprises a support seat, the upper end of the support seat is rotatably connected to a swivel rod, a first hydraulic telescopic rod is installed on the right side of the upper end part of the swivel rod, the telescopic end of the first hydraulic telescopic rod is fixedly connected to a mounting block, the lower end of the mounting block is installed with a second hydraulic telescopic rod, the telescopic end of the second hydraulic telescopic rod is fixedly connected to a mounting plate, the lower end of the mounting plate is rotatably connected to the swivel rod, the lower end of the swivel rod is fixedly connected to the swivel plate, the first hydraulic telescopic rod and the second hydraulic telescopic rod are both multi-section telescopic rods, and an alarm is installed on the upper end of the support seat; a first swivel mechanism, the first swivel mechanism is used to drive the swivel rod to rotate; a second swivel mechanism, the second swivel mechanism is used to drive the swivel rod to rotate; a limiting mechanism, the limiting mechanism is located below the swivel plate.

[0008] Preferably, the first rotating mechanism includes an L-shaped frame installed on the upper end of the support seat, a first motor is installed on the upper end of the L-shaped frame, an output shaft of the first motor passes through the L-shaped frame, first pulleys are installed on the output shaft of the first motor and the outer side of the rotating rod, and the two first pulleys are connected by a first transmission belt.

[0009] Preferably, the front and rear sides of the mounting block are fixedly connected with guide rods, the front and rear sides of the upper end portion of the rotating rod are fixedly connected with guide blocks, and the two guide rods respectively penetrate the two guide blocks and are slidably connected with the two guide blocks.

[0010] Preferably, the second rotating mechanism includes a second motor installed on the upper end of the mounting plate, the second motor passes through the mounting plate, second pulleys are installed on the output shaft of the second motor and the rotating rod, and the two second pulleys are connected by a second transmission belt.

[0011] Preferably, the first motor and the second motor are both servo motors capable of changing the rotation direction.

[0012] Preferably, the limiting mechanism includes two vertical plates symmetrically fixedly connected to the lower end of the rotating plate, third hydraulic telescopic rods are installed on opposite sides of the two vertical plates, clamping plates are installed on the telescopic ends of the two third hydraulic telescopic rods, and a sliding rod is fixedly connected between the two vertical plates, the sliding rod passes through the two clamping plates and is slidably connected to the two clamping plates.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] Compared with the prior art, a second motor is provided, and by using the second motor, the angle can be adjusted during transportation and placing of goods, thereby improving the adaptability of the transport robot arm during use. In addition, both the first hydraulic telescopic rod and the second hydraulic telescopic rod adopt multi-section telescopic rods, thereby increasing the scope of actual use. In addition, during the entire transportation process, as long as the first motor is started, the alarm will sound to remind the surrounding staff, so that the staff can stay away from the device and improve the safety of the device during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a multi-stage telescopic handling mechanical arm proposed by the utility model;

[0016] Figure 2 for Figure 1 A schematic diagram of a limit mechanism viewed from above;

[0017] Figure 3 for Figure 2 Enlarged view of point A.

[0018] In the figure: 1 support seat, 2 rotating rod, 3 L-shaped frame, 4 first motor, 5 first pulley, 6 first transmission belt, 7 alarm, 8 guide block, 9 guide rod, 10 first hydraulic telescopic rod, 11 mounting block, 12 second hydraulic telescopic rod, 13 mounting plate, 14 second motor, 15 vertical plate, 16 clamping plate, 17 third hydraulic telescopic rod, 18 rotating plate, 19 rotating rod, 20 second transmission belt, 21 sliding rod. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Reference Figure 1-Figure 3 A multi-stage telescopic handling robot arm comprises a support base 1, the upper end of the support base 1 is rotatably connected to a rotating rod 2, a first hydraulic telescopic rod 10 is installed on the right side of the upper end of the rotating rod 2, the telescopic end of the first hydraulic telescopic rod 10 is fixedly connected to a mounting block 11, a second hydraulic telescopic rod 12 is installed at the lower end of the mounting block 11, the telescopic end of the second hydraulic telescopic rod 12 is fixedly connected to a mounting plate 13, the lower end of the mounting plate 13 is rotatably connected to a rotating rod 19, the lower end of the rotating rod 19 is fixedly connected to a rotating plate 18, the first hydraulic telescopic rod 10 and the second hydraulic telescopic rod 12 are both multi-section telescopic rods, an alarm 7 is installed at the upper end of the support base 1, and the alarm 7 and the first motor 4 are in the same series circuit;

[0021] The first rotating mechanism is also included, and the first rotating mechanism is used to drive the rotating rod 2 to rotate. The first rotating mechanism includes an L-shaped frame 3 installed on the upper end of the support seat 1, and a first motor 4 is installed on the upper end of the L-shaped frame 3. The output shaft of the first motor 4 passes through the L-shaped frame 3, and the output shaft of the first motor 4 and the outer side of the rotating rod 2 are both installed with a first pulley 5, and the two first pulleys 5 are connected by a first transmission belt 6.

[0022] The front and rear sides of the mounting block 11 are fixedly connected with guide rods 9, the front and rear sides of the upper end of the rotating rod 2 are fixedly connected with guide blocks 8, and the two guide rods 9 respectively penetrate the two guide blocks 8 and are slidably connected with the two guide blocks 8;

[0023] The second rotating mechanism is also included, and the second rotating mechanism is used to drive the rotating rod 19 to rotate. The front and rear sides of the mounting block 11 are fixedly connected to the guide rods 9, and the front and rear sides of the upper end of the rotating rod 2 are fixedly connected to the guide blocks 8. The two guide rods 9 pass through the two guide blocks 8 respectively and are slidably connected to the two guide blocks 8. The first motor 4 and the second motor 14 are both servo motors that can change the rotation direction.

[0024] It also includes a limiting mechanism, which is located below the rotating plate 18. The limiting mechanism includes two vertical plates 15 symmetrically fixedly connected to the lower end of the rotating plate 18. Third hydraulic telescopic rods 17 are installed on opposite sides of the two vertical plates 15. Clamping plates 16 are installed on the telescopic ends of the two third hydraulic telescopic rods 17. A sliding rod 21 is fixedly connected between the two vertical plates 15. The sliding rod 21 passes through the two clamping plates 16 and is slidably connected to the two clamping plates 16.

[0025] In the utility model, when in use, after the support seat 1 is placed in a suitable position, the first motor 4 is started, and the first pulley 5 and the first transmission belt 6 are used to realize the rotation of the rotating rod 2. The rotation of the rotating rod 2 will use the first hydraulic telescopic rod 10 to partially rotate the mounting block 11. The first hydraulic telescopic rod 10 can be used to allow the limiting mechanism to partially move up to the top of the article, and the second motor 14 is started to partially rotate the rotating plate 18, so that the two clamping plates 16 are partially rotated to be parallel to the two sides of the article, and then the second hydraulic telescopic rod 12 is started to partially move the limiting mechanism down to a suitable height, and then the two third hydraulic telescopic rods 17 are started to extend to clamp the article, and then the first hydraulic telescopic rod 10, the second hydraulic telescopic rod 12 and the first motor 4 can be used to carry the article. When the article is carried to the required position, the second motor 14 is started to rotate, and after adjusting the appropriate angle, the two third hydraulic telescopic rods 17 are started to contract, and the article can be released.

[0026] During the whole process of transportation, as long as the first motor 4 is started, the alarm 7 will sound an alarm to remind the surrounding staff, so that the staff can stay away from the device, thereby improving the safety of the device when in use.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A multi-stage telescopic handling robot arm, characterized in that: include: A support seat (1), wherein the upper end of the support seat (1) is rotatably connected to a rotating rod (2), a first hydraulic telescopic rod (10) is installed on the right side of the upper end of the rotating rod (2), the telescopic end of the first hydraulic telescopic rod (10) is fixedly connected to a mounting block (11), the lower end of the mounting block (11) is installed with a second hydraulic telescopic rod (12), the telescopic end of the second hydraulic telescopic rod (12) is fixedly connected to a mounting plate (13), the lower end of the mounting plate (13) is rotatably connected to a rotating rod (19), the lower end of the rotating rod (19) is fixedly connected to a rotating plate (18), the first hydraulic telescopic rod (10) and the second hydraulic telescopic rod (12) are both multi-section telescopic rods, and an alarm (7) is installed on the upper end of the support seat (1); A first rotating mechanism, the first rotating mechanism being used to drive the rotating rod (2) to rotate; A second rotating mechanism, the second rotating mechanism being used to drive the rotating rod (19) to rotate; A limiting mechanism, wherein the limiting mechanism is located below the rotating plate (18).

2. A multi-stage telescopic handling robot arm according to claim 1, characterized in that: The first rotating mechanism comprises an L-shaped frame (3) mounted on the upper end of the support seat (1); a first motor (4) is mounted on the upper end of the L-shaped frame (3); an output shaft of the first motor (4) passes through the L-shaped frame (3); first pulleys (5) are mounted on the outer sides of the output shaft of the first motor (4) and the rotating rod (2); and the two first pulleys (5) are connected in transmission via a first transmission belt (6).

3. The multi-stage telescopic handling robot arm according to claim 1, characterized in that: The front and rear sides of the mounting block (11) are fixedly connected to guide rods (9), the front and rear sides of the upper end portion of the rotating rod (2) are fixedly connected to guide blocks (8), and the two guide rods (9) respectively penetrate the two guide blocks (8) and are slidably connected to the two guide blocks (8).

4. The multi-stage telescopic handling robot arm according to claim 2, characterized in that: The second rotating mechanism comprises a second motor (14) mounted on the upper end of the mounting plate (13), the second motor (14) passing through the mounting plate (13), a second belt pulley being mounted on the output shaft of the second motor (14) and the rotating rod (19), and the two second belt pulleys being connected in transmission via a second transmission belt (20).

5. The multi-stage telescopic handling robot arm according to claim 4, characterized in that: The first motor (4) and the second motor (14) are both servo motors capable of changing the direction of rotation.

6. The multi-stage telescopic handling robot arm according to claim 1, characterized in that: The limiting mechanism comprises two vertical plates (15) symmetrically fixedly connected to the lower end of the rotating plate (18), third hydraulic telescopic rods (17) are installed on opposite sides of the two vertical plates (15), clamping plates (16) are installed on the telescopic ends of the two third hydraulic telescopic rods (17), and a sliding rod (21) is fixedly connected between the two vertical plates (15), and the sliding rod (21) passes through the two clamping plates (16) and is slidably connected to the two clamping plates (16).

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