CN216870024U - Single-degree-of-freedom articulated arm motion test bed - Google Patents
Single-degree-of-freedom articulated arm motion test bed Download PDFInfo
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- CN216870024U CN216870024U CN202220260219.5U CN202220260219U CN216870024U CN 216870024 U CN216870024 U CN 216870024U CN 202220260219 U CN202220260219 U CN 202220260219U CN 216870024 U CN216870024 U CN 216870024U
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Abstract
The utility model belongs to the technical field of mechanical test beds, in particular to a single-degree-of-freedom articulated arm motion test bed, which aims at solving the problems that the conventional articulated arm of a robot is generally fixed on a test bed through bolts when being tested and operated, the operation is complicated and the disassembly is inconvenient. The mechanical arm lifting device is simple to operate, convenient to use, capable of being used for conveniently and quickly mounting and fixing the mechanical arm, capable of being dismounted, capable of being used for lifting during mounting and convenient to use for people.
Description
Technical Field
The utility model relates to the technical field of mechanical test beds, in particular to a single-degree-of-freedom articulated arm motion test bed.
Background
Generally speaking, most of robots are industrial robots, rapid development of scientific technology, especially development of computer technology, greatly promotes complexity and intelligence of robot systems, and enables the robots to be widely applied to various aspects such as industry, medical treatment, space and deep sea exploration. Industrial robots have been widely used in various automation production lines, the servo drive system and the transmission mechanism are important components of joints of industrial robots, and in the practical application of industrial robots, the transmission system has various practical mechanical errors such as friction, gear clearance and rigidity change, which can affect the control output of the servo drive system, thereby affecting the precision of industrial robots, so to speak, the performance of the transmission system is directly related to the working quality of the whole industrial robot, and therefore, it is very necessary to explore and test the influence of the mechanical performance degradation on the servo control process and the end output in the working process of industrial robots.
At present, when the joint arm of a robot is subjected to test operation, the joint arm is generally fixed on a laboratory bench through bolts, so that the operation is complex, and the robot is inconvenient to disassemble.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects that the existing test operation of the articulated arm of a robot is generally fixed on a test bed through bolts, the operation is complicated, and the disassembly is inconvenient, and provides a single-degree-of-freedom articulated arm motion test bed.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a single degree of freedom articulated arm motion test bench, includes the operation panel, threaded connection has the support column that four symmetries set up on the operation panel, and the bottom of four support columns is rotated and is connected with same bottom plate, the top fixed mounting of operation panel has the base, the top fixed mounting of base has the mount pad, the top of mount pad is equipped with the connecting seat, and the top fixed mounting of connecting seat has the connecting plate, and the arm body is installed at the top of connecting plate, the spread groove has been seted up on the mount pad, is equipped with on the inner wall of spread groove and clamps the mechanism, connecting seat and spread groove swing joint, it mutually supports with the connecting seat to clamp the mechanism, be equipped with elevating system on the operation panel.
Preferably, the mechanism of clamping includes the wedge kelly that four symmetries set up, set up the locating hole that four symmetries set up on the inner wall of spread groove, wedge kelly and the locating hole sliding connection who corresponds, set up the draw-in groove that four symmetries set up on the connecting seat, the wedge kelly is mutually supported with the draw-in groove that corresponds, the spacing groove has all been seted up on the top inner wall of locating hole and the bottom inner wall, sliding connection has the stopper in the spacing groove, one side fixed mounting of stopper has spacing spring, the one end of spacing spring and the inner wall fixed connection of spacing groove, the wedge kelly can be gone into in the draw-in groove under the effect of spacing spring and stopper to can fix the connecting seat.
Preferably, elevating system includes the motor, motor fixed mounting is in the bottom of operation panel, and fixed cover is equipped with first belt pulley on the output shaft of motor, the cover that slides on the support column is equipped with the second belt pulley, transmission connection has same belt on first belt pulley and four second belt pulleys, the second belt pulley rotates with the operation panel to be connected, the output shaft of motor is connected through the transmission of first belt pulley, four second belt pulleys and belt and is driven four support columns and rotate simultaneously, the pivoted support column is through the threaded connection with the operation panel to can go up and down.
Preferably, rotate on the mount pad and be connected with the change, one side fixed mounting of change has the handle, and four arc walls have been seted up at the top of change, and sliding connection has the locating piece in the arc wall, and locating piece and the wedge kelly fixed connection that corresponds rotate the change, and the change passes through the sliding connection of locating piece and arc wall to can drive the wedge kelly and remove, and then can be convenient for dismantle the connecting seat.
Compared with the prior art, the utility model has the advantages that:
(1) according to the scheme, the wedge-shaped clamping rod is matched with the clamping groove, and the limiting spring and the limiting block are arranged, so that the connecting seat can be clamped and fixed, the arc-shaped groove can be connected with the positioning block in a sliding manner, the wedge-shaped clamping rod can be conveniently moved, and the wedge-shaped clamping rod is convenient to disassemble;
(2) because the transmission of first belt pulley, second belt pulley and belt is connected for the output shaft of motor can drive four support columns and rotate simultaneously, thereby pivoted support column can go up and down through the threaded connection with the operation panel.
The mechanical arm lifting device is simple to operate, convenient to use, capable of being used for conveniently and quickly mounting and fixing the mechanical arm, capable of being dismounted, capable of being used for lifting during mounting and convenient to use for people.
Drawings
FIG. 1 is a schematic structural diagram of a single degree-of-freedom articulated arm motion test bed according to the present invention;
FIG. 2 is a schematic cross-sectional view of a mounting base of a single degree-of-freedom articulated arm movement test bed according to the present invention;
fig. 3 is a schematic structural diagram of a part a of a single-degree-of-freedom articulated arm movement test bed according to the present invention.
In the figure: 1. an operation table; 2. a support pillar; 3. a base plate; 4. a base; 5. a mounting seat; 6. connecting grooves; 7. a connecting seat; 8. a connecting plate; 9. a mechanical arm body; 10. a wedge-shaped clamping rod; 11. a card slot; 12. rotating the ring; 13. positioning holes; 14. a limiting groove; 15. a limiting block; 16. a limiting spring; 17. an arc-shaped slot; 18. positioning blocks; 19. a handle; 20. a motor; 21. a plug; 22. a jack; 23. a buffer ring; 24. a buffer spring.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.
Example one
Referring to fig. 1-3, a single degree of freedom articulated arm motion test bench, including operation panel 1, threaded connection has four support columns 2 that the symmetry set up on operation panel 1, the bottom of four support columns 2 rotates and is connected with same bottom plate 3, the top fixed mounting of operation panel 1 has base 4, the top fixed mounting of base 4 has mount pad 5, the top of mount pad 5 is equipped with connecting seat 7, the top fixed mounting of connecting seat 7 has connecting plate 8, arm body 9 is installed at the top of connecting plate 8, spread groove 6 has been seted up on mount pad 5, be equipped with on the inner wall of spread groove 6 and clamp the mechanism, connecting seat 7 and spread groove 6 swing joint, it mutually supports with connecting seat 7 to clamp the mechanism, be equipped with elevating system on operation panel 1.
In this embodiment, clamp mechanism includes wedge kelly 10 that four symmetries set up, set up the locating hole 13 that four symmetries set up on the inner wall of spread groove 6, wedge kelly 10 and the 13 sliding connection of locating hole that corresponds, set up the draw-in groove 11 that four symmetries set up on connecting seat 7, wedge kelly 10 mutually supports with the draw-in groove 11 that corresponds, spacing groove 14 has all been seted up on the top inner wall of locating hole 13 and the bottom inner wall, sliding connection has stopper 15 in the spacing groove 14, one side fixed mounting of stopper 15 has limiting spring 16, limiting spring 16's one end and limiting groove 14's inner wall fixed connection, wedge kelly 10 can be blocked in draw-in groove 11 under limiting spring 16 and stopper 15's effect, thereby can fix connecting seat 7.
In this embodiment, elevating system includes motor 20, motor 20 fixed mounting is in the bottom of operation panel 1, and fixed cover is equipped with first belt pulley on motor 20's the output shaft, sliding sleeve is equipped with the second belt pulley on the support column 2, transmission connection has same belt on first belt pulley and the four second belt pulleys, the second belt pulley rotates with operation panel 1 to be connected, motor 20's output shaft is through first belt pulley, the transmission of four second belt pulleys and belt is connected and is driven four support column 2 and rotate simultaneously, pivoted support column 2 is through the threaded connection with operation panel 1, thereby can go up and down.
In this embodiment, it is connected with swivel 12 to rotate on mount pad 5, one side fixed mounting of swivel 12 has handle 19, four arc walls 17 have been seted up at the top of swivel 12, sliding connection has locating piece 18 in the arc wall 17, locating piece 18 and the wedge kelly 10 fixed connection that corresponds rotate swivel 12, swivel 12 passes through the sliding connection of locating piece 18 with arc wall 17 to can drive wedge kelly 10 and remove, and then can be convenient for dismantle connecting seat 7.
The working principle is that when the mechanical arm body 9 needs to be installed and fixed, a switch of a motor 20 is started, an output shaft of the motor 20 is connected with a belt through a first belt pulley, four second belt pulleys and the transmission of the belt to drive a support column 2 to rotate, the rotating support column 2 drives an operation table 1 to move downwards through threaded connection with the operation table 1, so that the mechanical arm body 9 can be conveniently installed, a connecting seat 7 is placed in a connecting groove 6, a wedge-shaped clamping rod 10 moves into a clamping groove 11 under the action of a limiting spring 16 and a limiting block 15, so that the connecting seat 7 can be clamped and fixed, the mechanical arm body 9 can be conveniently tested, when the mechanical arm body 9 needs to be disassembled, a rotating ring 12 is rotated, the rotating ring 12 drives the wedge-shaped clamping rod 10 to move through sliding connection of an arc-shaped groove 17 and a positioning block 18, and the moving wedge-shaped clamping rod 10 is separated from the clamping groove 11, so that the connection holder 7 can be easily detached.
Example two
Referring to fig. 1-3, a single degree of freedom articulated arm movement test bench comprises an operation bench 1, four symmetrically arranged support columns 2 are connected to the operation bench 1 through screw threads, the bottom ends of the four support columns 2 are rotatably connected with a same bottom plate 3, a base 4 is fixedly arranged at the top of the operation bench 1, a mounting seat 5 is fixedly arranged at the top of the base 4, a connecting seat 7 is arranged at the top of the mounting seat 5, a connecting plate 8 is fixedly arranged at the top of the connecting seat 7, a mechanical arm body 9 is arranged at the top of the connecting plate 8, a connecting groove 6 is arranged on the mounting seat 5, a clamping mechanism is arranged on the inner wall of the connecting groove 6, the connecting seat 7 is movably connected with the connecting groove 6, the clamping mechanism is matched with the connecting seat 7, a lifting mechanism is arranged on the operation bench 1, a buffer ring 23 is slidably connected to the inner wall of the connecting groove 6, two symmetrically arranged buffer springs 24 are fixedly arranged at the bottom of the buffer ring 23, the bottom end of the buffer spring 24 is fixedly connected with the inner wall of the bottom of the connecting groove 6, the plug 21 is installed on the inner wall of the bottom of the connecting groove 6, the jack 22 is formed in the bottom of the connecting seat 7, and the plug 21 is matched with the jack 22.
In this embodiment, clamp mechanism includes wedge kelly 10 that four symmetries set up, set up the locating hole 13 that four symmetries set up on the inner wall of spread groove 6, wedge kelly 10 and the 13 sliding connection of locating hole that corresponds, set up the draw-in groove 11 that four symmetries set up on connecting seat 7, wedge kelly 10 mutually supports with the draw-in groove 11 that corresponds, spacing groove 14 has all been seted up on the top inner wall of locating hole 13 and the bottom inner wall, sliding connection has stopper 15 in the spacing groove 14, one side fixed mounting of stopper 15 has limiting spring 16, limiting spring 16's one end and limiting groove 14's inner wall fixed connection, wedge kelly 10 can be blocked in draw-in groove 11 under limiting spring 16 and stopper 15's effect, thereby can fix connecting seat 7.
In this embodiment, elevating system includes motor 20, motor 20 fixed mounting is in the bottom of operation panel 1, and fixed cover is equipped with first belt pulley on motor 20's the output shaft, sliding sleeve is equipped with the second belt pulley on support column 2, transmission connection has same belt on first belt pulley and the four second belt pulleys, the second belt pulley rotates with operation panel 1 to be connected, motor 20's output shaft is through first belt pulley, the transmission of four second belt pulleys and belt is connected and is driven four support column 2 and rotate simultaneously, pivoted support column 2 is through the threaded connection with operation panel 1, thereby can go up and down.
In this embodiment, it is connected with swivel 12 to rotate on mount pad 5, one side fixed mounting of swivel 12 has handle 19, four arc walls 17 have been seted up at the top of swivel 12, sliding connection has locating piece 18 in the arc wall 17, locating piece 18 and the wedge kelly 10 fixed connection that corresponds rotate swivel 12, swivel 12 passes through the sliding connection of locating piece 18 with arc wall 17 to can drive wedge kelly 10 and remove, and then can be convenient for dismantle connecting seat 7.
The operating principle, the difference of embodiment two with embodiment one lies in, buffer spring 24 and buffer ring 23's setting can be convenient for support the roof pressure to connecting seat 7 for placing that connecting seat 7 can be stable, and cushion when the test, and the setting of plug 21 and jack 22 can connect the electricity to arm body 9 simultaneously, the test operation of being convenient for.
The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.
Claims (5)
1. A single-degree-of-freedom articulated arm movement test bed comprises an operation table (1) and is characterized in that four symmetrically arranged support columns (2) are connected to the operation table (1) in a threaded manner, the bottom ends of the four support columns (2) are rotatably connected with the same bottom plate (3), a base (4) is fixedly mounted at the top of the operation table (1), a mounting seat (5) is fixedly mounted at the top of the base (4), a connecting seat (7) is arranged at the top of the mounting seat (5), a connecting plate (8) is fixedly mounted at the top of the connecting seat (7), a mechanical arm body (9) is mounted at the top of the connecting plate (8), a connecting groove (6) is formed in the mounting seat (5), a clamping mechanism is arranged on the inner wall of the connecting groove (6), the connecting seat (7) is movably connected with the connecting groove (6), and the clamping mechanism is matched with the connecting seat (7), and a lifting mechanism is arranged on the operating platform (1).
2. The single-degree-of-freedom articulated arm motion test bed according to claim 1, wherein the clamping mechanism comprises four symmetrically arranged wedge-shaped clamping rods (10), the inner wall of the connecting groove (6) is provided with four symmetrically arranged positioning holes (13), the wedge-shaped clamping rods (10) are slidably connected with the corresponding positioning holes (13), the connecting seat (7) is provided with four symmetrically arranged clamping grooves (11), and the wedge-shaped clamping rods (10) are matched with the corresponding clamping grooves (11).
3. The single-degree-of-freedom articulated arm motion test bed according to claim 2, wherein the top inner wall and the bottom inner wall of the positioning hole (13) are both provided with a limiting groove (14), a limiting block (15) is connected in the limiting groove (14) in a sliding manner, a limiting spring (16) is fixedly installed on one side of the limiting block (15), and one end of the limiting spring (16) is fixedly connected with the inner wall of the limiting groove (14).
4. The single-degree-of-freedom articulated arm motion test bed according to claim 1, wherein the lifting mechanism comprises a motor (20), the motor (20) is fixedly installed at the bottom of the operation bed (1), a first belt pulley is fixedly sleeved on an output shaft of the motor (20), a second belt pulley is slidably sleeved on the support column (2), the first belt pulley and four second belt pulleys are in transmission connection with the same belt, and the second belt pulley is in transmission connection with the operation bed (1).
5. The single-degree-of-freedom articulated arm movement test bed according to claim 2, wherein the mounting base (5) is rotatably connected with a rotating ring (12), a handle (19) is fixedly mounted on one side of the rotating ring (12), four arc-shaped grooves (17) are formed in the top of the rotating ring (12), positioning blocks (18) are slidably connected in the arc-shaped grooves (17), and the positioning blocks (18) are fixedly connected with the corresponding wedge-shaped clamping rods (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220260219.5U CN216870024U (en) | 2022-02-09 | 2022-02-09 | Single-degree-of-freedom articulated arm motion test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220260219.5U CN216870024U (en) | 2022-02-09 | 2022-02-09 | Single-degree-of-freedom articulated arm motion test bed |
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| Publication Number | Publication Date |
|---|---|
| CN216870024U true CN216870024U (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220260219.5U Active CN216870024U (en) | 2022-02-09 | 2022-02-09 | Single-degree-of-freedom articulated arm motion test bed |
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| Country | Link |
|---|---|
| CN (1) | CN216870024U (en) |
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- 2022-02-09 CN CN202220260219.5U patent/CN216870024U/en active Active
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