CN214446355U

CN214446355U - Liftable arm mechanism

Info

Publication number: CN214446355U
Application number: CN202022965210.8U
Authority: CN
Inventors: 连财禄
Original assignee: Shenyang Detong Thermal Spraying New Technology Co ltd
Current assignee: Shenyang Detong Thermal Spraying New Technology Co ltd
Priority date: 2020-12-12
Filing date: 2020-12-12
Publication date: 2021-10-22
Anticipated expiration: 2030-12-12

Abstract

The utility model belongs to the technical field of the arm, especially, be a liftable arm mechanism, mostly lack the function of lift to current arm, thereby cause the problem that can't satisfy the user demand of co-altitude, the scheme as follows now is proposed, it includes the base, the inboard bottom of base is rotated and is installed two-way threaded rod, two threaded cap are connected to two-way threaded rod's outside screw thread, the bottom of two threaded cap all extends to the outside of base, the bottom both sides of base all rotate with the bottom of two threaded cap and install the dwang, the bottom that is located two dwangs of homonymy is rotated and is installed same supporting seat, the pivot is installed in the rotation of the inboard top of base, the top both sides of base all rotate and install the rotary rod, the equal fixed mounting of one end that two rotary rods are close to each other has the cam. The utility model relates to a rationally, through the two-way threaded rod that sets up, when supporting seat and ground contact, can improve the stability of whole device.

Description

Liftable arm mechanism

Technical Field

The utility model relates to an arm equipment technical field especially relates to a liftable arm mechanism.

Background

The mechanical arm is a complex system with high precision, multiple inputs and multiple outputs, high nonlinearity and strong coupling. Because of its unique operational flexibility, it has been widely used in the fields of industrial assembly, safety and explosion protection. The mechanical arm is a complex system, and uncertainties such as parameter perturbation, external interference, unmodeled dynamics and the like exist. Therefore, uncertainty exists in a modeling model of the mechanical arm, and for different tasks, the motion trail of the joint space of the mechanical arm needs to be planned, so that the tail end pose is formed by cascading.

Most of the existing mechanical arms lack lifting functions, so that the defect that the use requirements of different heights cannot be met is caused, and therefore a liftable mechanical arm mechanism is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the existing mechanical arm mostly lacks the lifting function, thereby causing the defect that the use demands of different heights cannot be met, and providing a liftable mechanical arm mechanism.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a liftable mechanical arm mechanism comprises a base, wherein a bidirectional threaded rod is rotatably mounted at the bottom of the inner side of the base, two threaded caps are in threaded connection with the outer side of the bidirectional threaded rod, the bottoms of the two threaded caps extend to the outer side of the base, rotating rods are rotatably mounted at the two sides of the bottom of the base and the bottoms of the two threaded caps, the bottom ends of the two rotating rods positioned at the same side are rotatably mounted with the same supporting seat, a rotating shaft is rotatably mounted at the top of the inner side of the base, rotating rods are rotatably mounted at the two sides of the top of the base, a cam is fixedly mounted at the mutually close end of the two rotating rods, a chain wheel is fixedly mounted at the mutually far end of the two rotating rods and the outer side of the rotating shaft, the two chain wheels positioned at the same side are in transmission connection with the same chain, a hollow cylinder is fixedly mounted at the top of the base, a mechanical arm is slidably mounted inside the hollow cylinder, and transverse plates are fixedly mounted at the left side and the right side of the mechanical arm, the tops of the outer sides of the two cams are respectively and movably abutted against the bottoms of the corresponding transverse plates, and the top ends of the mechanical arms extend to the outer sides of the hollow cylinders and are rotatably provided with transverse rods.

Preferably, the outside fixed mounting of base has the motor, the one end of pivot extend to the outside of base and with the output shaft fixed connection of motor, through the motor that sets up to make two cams rotate, thereby make whole device have the function of going up and down.

Preferably, the one end of two-way threaded rod extends to the outside of base and one side of fixed mounting has the carousel, and the opposite side fixed mounting of carousel has the handle, through the handle that sets up to laborsaving more that can make when artifical rotate two-way threaded rod.

Preferably, a rectangular through hole is formed in the bottom of the base, the outer sides of the two threaded caps are movably abutted to the inner sides of the rectangular through hole, and the threaded caps are horizontally moved to achieve a certain guiding function through the arranged rectangular through hole.

Preferably, the vertical hole has all been seted up to the top both sides of base, and the outside of two chains is located the inside in the vertical hole that corresponds respectively, through the vertical hole that sets up to make things convenient for the function of chain.

Preferably, the outside fixed mounting of base has a supporting bench, and motor fixed mounting is at a supporting bench's top through the supporting bench that sets up to for the motor provides certain supporting role.

In the utility model, the liftable mechanical arm mechanism drives the motor to rotate the rotating shaft through the chain wheel, so that the chain wheel rotates to drive the two rotating rods to rotate, thereby the two cams rotate, the two transverse plates vertically move upwards, and the mechanical arm moves the same, thereby the height is adjusted;

the utility model relates to a rationally, through the two-way threaded rod that sets up to make two screw caps obtain the function that is close to each other or keeps away from each other of horizontal direction, thereby make the supporting seat obtain the motion of vertical direction, when supporting seat and ground contact, thereby make placing that whole device can be stable.

Drawings

Fig. 1 is a schematic structural diagram of a mechanical arm mechanism capable of lifting and lowering provided by the present invention;

fig. 2 is a schematic structural diagram of a part a of a mechanical arm mechanism capable of lifting and lowering provided by the present invention;

fig. 3 is a schematic structural diagram of a part B of a mechanical arm mechanism capable of lifting.

In the figure: 1. a base; 2. a bidirectional threaded rod; 3. a threaded cap; 4. rotating the rod; 5. a supporting seat; 6. a rotating shaft; 7. rotating the rod; 8. a cam; 9. a sprocket; 10. a chain; 11. a transverse plate; 12. a mechanical arm; 13. a cross bar; 14. a hollow cylinder; 15. an electric motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a liftable mechanical arm mechanism comprises a base 1, a bidirectional threaded rod 2 is rotatably mounted at the bottom of the inner side of the base 1, two threaded caps 3 are connected to the outer side of the bidirectional threaded rod 2 in a threaded manner, the bottoms of the two threaded caps 3 extend to the outer side of the base 1, two sides of the bottom of the base 1 and the bottoms of the two threaded caps 3 are respectively rotatably mounted with a rotating rod 4, the bottom ends of the two rotating rods 4 positioned at the same side are rotatably mounted with the same supporting seat 5, a rotating shaft 6 is rotatably mounted at the top of the inner side of the base 1, two sides of the top of the base 1 are respectively rotatably mounted with a rotating rod 7, one end of each rotating rod 7 close to each other is respectively fixedly mounted with a cam 8, one end of each rotating rod 7 far away from each other and the outer side of the rotating shaft 6 are respectively fixedly mounted with a chain wheel 9, the two chain wheels 9 positioned at the same side are in transmission connection with the same chain 10, and a hollow cylinder 14 is fixedly mounted at the top of the base 1, the mechanical arm 12 is slidably mounted inside the hollow cylinder 14, transverse plates 11 are fixedly mounted on the left side and the right side of the mechanical arm 12, the top of the outer sides of the two cams 8 are movably abutted to the bottom of the corresponding transverse plates 11 respectively, and the top end of the mechanical arm 12 extends to the outer side of the hollow cylinder 14 and is rotatably mounted with a transverse rod 13.

The utility model discloses in, base 1's outside fixed mounting has motor 15, and the one end of pivot 6 extend to base 1's the outside and with motor 15's output shaft fixed connection, through the motor 15 that sets up to make two cams 8 rotate, thereby make whole device have the function of going up and down.

The utility model discloses in, the one end of two-way threaded rod 2 extends to the outside of base 1 and one side that fixed mounting has the carousel, and the opposite side fixed mounting of carousel has the handle, through the handle that sets up to laborsaving more when making artifical rotation two-way threaded rod 2.

The utility model discloses in, the rectangle through-hole has been seted up to base 1's bottom, and the equal activity butt in the outside of two screw caps 3 is in the inboard of rectangle through-hole, through the rectangle through-hole that sets up to play the function of certain direction for screw cap 3's horizontal migration.

The utility model discloses in, the upright hole has all been seted up to base 1's top both sides, and the outside of two chains 10 is located the inside in the upright hole of correspondence respectively, through the upright hole that sets up to make things convenient for the function of chain 10.

The utility model discloses in, base 1's outside fixed mounting has a supporting bench, and motor 15 fixed mounting is at a supporting bench's top, through the brace table that sets up to for motor 15 provides certain supporting role.

The working principle of the mechanical arm mechanism is as follows: through the arranged rotating shaft 6, the driving motor 15, thereby the rotating shaft 6 is rotated, thereby the four chain wheels 9 are rotated, thereby the two rotating rods 7 are driven to rotate, thereby the two cams 8 are synchronously rotated, thereby the two transverse plates 11 are driven to move vertically upwards, thereby the mechanical arm 12 is driven to move vertically, thereby the lifting function is realized, secondly, through the arranged two-way threaded rod 2, the two-way threaded rod 2 is manually rotated, thereby the two threaded caps 3 are driven to get the operation of mutually approaching or separating from each other in the horizontal direction, when the two threaded caps 3 get the operation of mutually approaching, thereby the four rotating rods 4 are rotated, thereby the two supporting seats 5 are driven to move upwards, thereby the whole device can flexibly move, secondly, when the two threaded caps 3 are driven to work mutually far away, thereby the two supporting seats 5 are driven to work downwards, thereby making two supporting seats 5 contact with the ground, thereby enabling the whole device to be stably placed, providing stability of the device.

Claims

1. A liftable mechanical arm mechanism comprises a base (1) and is characterized in that a bidirectional threaded rod (2) is rotatably installed at the bottom of the inner side of the base (1), two threaded caps (3) are connected to the outer side of the bidirectional threaded rod (2) in a threaded manner, the bottoms of the two threaded caps (3) extend to the outer side of the base (1), rotating rods (4) are rotatably installed on the two sides of the bottom of the base (1) and the bottoms of the two threaded caps (3), the bottom ends of the two rotating rods (4) positioned on the same side are rotatably installed on the same supporting seat (5), a rotating shaft (6) is rotatably installed at the top of the inner side of the base (1), rotating rods (7) are rotatably installed on the two sides of the top of the base (1), a cam (8) is fixedly installed at one end, close to each other, a chain wheel (9) is fixedly installed at one end, far away from each other, of the two rotating rods (7), and a chain wheel (9) is fixedly installed at the outer side of the rotating shaft (6), the chain wheel mechanism is characterized in that the two chain wheels (9) on the same side are in transmission connection with the same chain (10), a hollow cylinder (14) is fixedly mounted at the top of the base (1), a mechanical arm (12) is slidably mounted inside the hollow cylinder (14), transverse plates (11) are fixedly mounted on the left side and the right side of the mechanical arm (12), the tops of the outer sides of the two cams (8) are movably abutted to the bottoms of the corresponding transverse plates (11), and the top end of the mechanical arm (12) extends to the outer side of the hollow cylinder (14) and is rotatably mounted with a transverse rod (13).

2. The mechanical arm mechanism capable of ascending and descending as claimed in claim 1, wherein a motor (15) is fixedly mounted on the outer side of the base (1), and one end of the rotating shaft (6) extends to the outer side of the base (1) and is fixedly connected with an output shaft of the motor (15).

3. The mechanical arm mechanism capable of ascending and descending as claimed in claim 1, wherein one end of the bidirectional threaded rod (2) extends to the outside of the base (1) and is fixedly provided with one side of a turntable, and the other side of the turntable is fixedly provided with a handle.

4. The mechanical arm mechanism capable of ascending and descending as claimed in claim 1, wherein a rectangular through hole is formed at the bottom of the base (1), and the outer sides of the two threaded caps (3) are movably abutted against the inner sides of the rectangular through hole.

5. The mechanical arm mechanism capable of ascending and descending as claimed in claim 1, wherein vertical holes are formed in both sides of the top of the base (1), and the outer sides of the two chains (10) are respectively located inside the corresponding vertical holes.

6. The mechanical arm mechanism capable of ascending and descending as claimed in claim 1, wherein a supporting platform is fixedly installed on the outer side of the base (1), and the motor (15) is fixedly installed on the top of the supporting platform.