CN110039510B

CN110039510B - Mechanical arm with damping mechanism

Info

Publication number: CN110039510B
Application number: CN201910477248.XA
Authority: CN
Inventors: 陈育阳; 彭蓓雷; 王飞; 冯彦哲; 石继梅
Original assignee: Sichuan Aerospace System Engineering Research Institute
Current assignee: Sichuan Aerospace System Engineering Research Institute
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2023-12-22
Anticipated expiration: 2039-06-03
Also published as: CN110039510A

Abstract

The invention discloses a mechanical arm with a damping mechanism, which comprises a fixed base, first tightening bolts and H-shaped blocks, wherein four groups of supporting rods penetrate through the periphery of the fixed base, the bottom ends of the supporting rods are fixedly connected with supporting plates, the outer walls of the upper sides of the supporting rods are in threaded connection with control nuts, wheels are fixedly arranged on the lower sides of the fixed base, two groups of first L-shaped blocks are arranged between the fixed base and the wheels, one group of first L-shaped blocks are fixedly connected with the lower sides of the fixed base, the other group of first L-shaped blocks are fixedly connected with the tops of the wheels, a group of first buffer bases are arranged on the lower sides and the lower sides of the first L-shaped blocks, and the first buffer bases are connected through two groups of first telescopic rods. According to the invention, through the sliding type connecting structure and the telescopic structure, vibration of the mechanical arm caused by the mechanical arm during working is effectively buffered, damage of the mechanical arm caused by collision is reduced, and maintenance cost is reduced.

Description

Mechanical arm with damping mechanism

Technical Field

The invention relates to the technical field of mechanical arms, in particular to a mechanical arm with a damping mechanism.

Background

Along with development of science and technology, the mechanical arm is applied to various enterprises for improving production efficiency, at present large-scale mechanical arm is very inconvenient at the in-process of transport, causes the vibrations of mechanical arm because of ground unevenness easily in the handling to lead to the overturning of mechanical arm, causes the collision easily between each axis of rotation of in-process of operation, thereby causes the harm to the mechanical arm, great increase the expense of maintenance.

Disclosure of Invention

The invention aims to provide a mechanical arm with a damping mechanism, so as to solve the problems that the existing mechanical arm provided by the background art is easy to overturn due to vibration during carrying, and meanwhile, the mechanical arm is easy to damage due to collision during working, and the maintenance cost is increased.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a arm with damper, includes unable adjustment base, first lock ring bolt and H shape piece, the four groups bracing pieces that run through all around of unable adjustment base, the bottom fixedly connected with backup pad of bracing piece, the upside outer wall threaded connection of bracing piece has control nut, unable adjustment base's downside fixedly mounted has the wheel, be provided with two sets of first L shape pieces between unable adjustment base and the wheel, a set of first L shape piece and unable adjustment base downside fixed connection, another set of first L shape piece and the top fixed connection of wheel, the downside and the downside of first L shape piece all are provided with a set of first buffer base, be connected through two sets of first telescopic links between the first buffer base, unable adjustment base's upside is connected with the base through the pivot, the upside fixedly connected with buffer rod of base, the inner wall fixed mounting of buffer rod has the second telescopic link, the inner wall of second telescopic link is embedded to have the connecting rod, the left side embedded has the connecting rod, the inside lock ring of first L shape piece and the top fixed connection of wheel, the downside and the downside all is provided with a set of first buffer base, the second lock ring bolt is connected through two sets of first lock ring bolt, the second lock ring bolt is connected with the second side, the second lock ring bolt is connected with the second L shape piece, the other end is connected with the second.

Preferably, the external thread size of the support rod is the same as the internal thread size of the fixed base, and the support rod and the fixed base are of a threaded telescopic structure.

Preferably, the first L-shaped blocks are provided with two groups, and each group of the first L-shaped blocks comprises two first L-shaped blocks which are uniformly fixed on the lower side of the fixed base and the top end of the wheel.

Preferably, the inner wall fixed mounting of buffer rod has the second telescopic link, the inner wall of second telescopic link is embedded to have the connecting pipe, connecting pipe and second telescopic link are sliding connection structure.

Preferably, the left side and the embedded connecting rod that has of connecting pipe, the connecting rod is elastic connection through spring and buffer rod, the right side inner wall of connecting pipe sets up to extending structure through second buffering base and third telescopic link.

Preferably, the second L-shaped block is arranged to be of a telescopic structure through the buffer spring and the buffer rod, the second L-shaped block is fixedly connected with the H-shaped block through the second tightening bolt, and the H-shaped block and the buffer rod are arranged to be of a telescopic structure.

Compared with the prior art, the invention has the beneficial effects that: the mechanical arm with the damping mechanism is characterized in that the supporting rod and the control bolt are in a threaded telescopic structure with the base, and wheels are fixedly arranged below the base, so that the mechanical arm can be prevented from overturning, and the mechanical arm can be transported conveniently; two groups of first L-shaped blocks are arranged between the wheels and the base and are connected through a first telescopic rod, so that vibration of the mechanical arm in the transportation process is greatly reduced, and the transportation safety is improved; the connecting rod is in sliding connection with the second telescopic rod through the connecting pipe, and the connecting rod is in elastic connection with the buffer rod through the spring, so that vibration of the mechanical arm caused by the mechanical arm during working is effectively buffered; the H-shaped block and the buffer rod are arranged into a telescopic structure; the damage of the mechanical arm caused by collision is reduced.

Drawings

FIG. 1 is a schematic elevational cross-sectional view of the structure of the present invention;

FIG. 2 is a schematic view of a partial enlarged structure of the A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of the part of the B in FIG. 1 according to the present invention;

fig. 4 is a schematic view of a partial enlarged structure of C in fig. 1 according to the present invention.

In the figure: 1. a fixed base; 2. a support rod; 3. a support plate; 4. a control nut; 5. a wheel; 6. a first L-shaped block; 7. a first buffer base; 8. a first telescopic rod; 9. a rotating shaft; 10. a base; 11. a buffer rod; 12. a second telescopic rod; 13. a connecting pipe; 14. a connecting rod; 15. a first tightening bolt; 16. a second buffer base; 17. a third telescopic rod; 18. a buffer spring; 19. h-shaped blocks; 20. a second L-shaped block; 21. and a second clamping bolt.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-4, an embodiment of the present invention is provided: the utility model provides a mechanical arm with damper, including unable adjustment base 1, first lock bolt 15 and H shape piece 19, four groups bracing piece 2 have been run through around the unable adjustment base 1, the external screw thread size of bracing piece 2 is the same with the internal screw thread size of unable adjustment base 1, bracing piece 2 and unable adjustment base 1 are screw thread telescopic structure, the convenient transport of arm can be realized, the bottom fixedly connected with backup pad 3 of bracing piece 2, the upside outer wall threaded connection of bracing piece 2 has control nut 4, the downside fixed mounting of unable adjustment base 1 has wheel 5, be provided with two sets of first L shape pieces 6 between unable adjustment base 1 and the wheel 5, first L shape piece 6 of every group is provided with two sets of, the first L shape piece 6 includes two first L shape pieces 6 evenly fix the downside at unable adjustment base 1 and the top of wheel 5, another group first L shape piece 6 and the top fixed connection of wheel 5, first L shape piece 6 and the first side of first L shape piece 6 are provided with the first telescopic link rod 12 of first L shape piece 6 and the side of first L shape piece 13 of first side and the side of second L shape piece 7 are connected with the inner wall 11 of shock-absorbing rod 13, the inner wall 13 is equipped with the connecting rod 13 through the first connecting rod 13, the inner wall 13 is equipped with the connecting rod 13 of first telescopic link rod 13, the inner wall 13 is equipped with the connecting rod 13, the connecting rod 13 is equipped with the connecting rod 13 inside the connecting rod between the inside the flexible base 13, the left side and the embedded connecting rod 14 that have of connecting pipe 13, connecting rod 14 pass through the spring and are elastic connection with buffer rod 11, the right side inner wall of connecting pipe 13 passes through second buffering base 16 and third telescopic link 17 sets up to extending structure, can reduce the damage that the arm inner structure caused because of the collision, right side inner wall fixed mounting of connecting pipe 13 has a set of second buffering base 16, a set of second buffering base 16 is connected through two sets of third telescopic link 17, the upper end outer wall fixedly connected with of buffer rod 11 a set of buffer spring 18, the other end of buffer spring 18 is connected with a set of second L shape piece 20, second L shape piece 20 is fixed connection through second binding bolt 21 and H shape piece 19, damage that the arm caused because of colliding hard object can be reduced, reduce the maintenance cost, H shape piece 19 is connected with H shape piece 19 through second binding bolt 21 and buffer rod 11 setting up to extending structure, two second L shape pieces 20 are connected with H shape piece 19 through second binding bolt 21.

Working principle: during carrying, the supporting rod 2 moves upwards by adjusting the control nut 4 until the wheels 5 contact the ground to support the whole device, and then carrying is performed.

During carrying, the ground is uneven, and force can be converted into power for the first telescopic rod 8 to shrink and move through the first telescopic rod 8 in the middle of the first L-shaped block 6 between the wheel 5 and the fixed base 1, so that the inclination angle of the fixed base 1 is reduced.

In the operation process, the mechanical arm can carry out telescopic motion through the second telescopic link 12 to the motion of whole mechanical arm of control, when the second telescopic link 12 extension, connecting pipe 13 slides right at second telescopic link 12 inner wall, through extrusion spring, prevents that connecting pipe 13 from colliding with second telescopic link 12 right-hand member inner wall, and when the shrink of second telescopic link 12, connecting pipe 13 moves left at second telescopic link 12 inner wall, through extrusion spring, prevents that connecting pipe 13 from colliding with second telescopic link 12 left end inner wall.

When the mechanical arm collides with a hard object, force is transmitted to the buffer spring 18 through the H-shaped block 19, so that the buffer spring 18 is elastically deformed, and the mechanical arm and the buffer rod 11 cannot collide.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Mechanical arm with damper, including unable adjustment base (1), first lock bolt (15) and H shape piece (19), its characterized in that: four groups of support rods (2) penetrate around the fixed base (1), a support plate (3) is fixedly connected to the bottom end of each support rod (2), a control nut (4) is connected to the outer wall of the upper side of each support rod (2) in a threaded mode, wheels (5) are fixedly installed on the lower side of each fixed base (1), two groups of first L-shaped blocks (6) are arranged between each fixed base (1) and each wheel (5), one group of first L-shaped blocks (6) is fixedly connected with the lower side of each fixed base (1), the other group of first L-shaped blocks (6) is fixedly connected with the top end of each wheel (5), a group of first buffer base (7) is arranged on the lower side and the lower side of each first L-shaped block (6), two groups of first buffer bases (8) are connected with each base (10) through a rotating shaft (9), buffer rods (11) are fixedly connected to the upper side of each base (10), a connecting rod (13) is embedded in each connecting pipe (13) and a connecting pipe (13) is embedded in each connecting pipe (13), the right side inner wall fixed mounting of connecting pipe (13) has a set of second buffering base (16), a set of second buffering base (16) are connected through two sets of third telescopic link (17), the upper end outer wall fixedly connected with of buffer rod (11) is a set of buffer spring (18), the other end of buffer spring (18) is connected with a set of second L shape piece (20), two second L shape pieces (20) are connected with H shape piece (19) through second binding bolt (21), the inner wall fixed mounting of buffer rod (11) has second telescopic link (12), the inner wall of second telescopic link (12) is embedded has connecting pipe (13), connecting pipe (13) are sliding connection structure with second telescopic link (12), its characterized in that: the left side of connecting pipe (13) is with embedded connecting rod (14), connecting rod (14) are elastic connection through spring and buffer rod (11), the right side inner wall of connecting pipe (13) is through second buffering base (16) and third telescopic link (17) setting up to the extending structure.

2. The mechanical arm with shock absorbing mechanism as set forth in claim 1, wherein: the external thread size of the supporting rod (2) is the same as the internal thread size of the fixed base (1), and the supporting rod (2) and the fixed base (1) are of a threaded telescopic structure.

3. The mechanical arm with shock absorbing mechanism as set forth in claim 1, wherein: the first L-shaped blocks (6) are provided with two groups, and each group of the first L-shaped blocks (6) comprises two first L-shaped blocks (6) which are uniformly fixed on the lower side of the fixed base (1) and the top ends of the wheels (5).

4. The mechanical arm with shock absorbing mechanism as set forth in claim 1, wherein: the second L-shaped block (20) is arranged to be of a telescopic structure through the buffer spring (18) and the buffer rod (11), the second L-shaped block (20) is fixedly connected with the H-shaped block (19) through the second tightening bolt (21), and the H-shaped block (19) and the buffer rod (11) are arranged to be of a telescopic structure.