Lifting power-assisted mechanical arm

Abstract

The utility model discloses a lifting power-assisted mechanical arm, and relates to the technical field of mechanical assembly. The lifting device comprises a bottom plate, a main lifting guide rail is fixedly installed in the center of the top end of the bottom plate, an auxiliary lifting guide rail is connected to the front side of the main lifting guide rail in a limiting and sliding mode, a supporting base is connected to the front side of the auxiliary lifting guide rail in a limiting and sliding mode, and a lubricating assembly is arranged between the supporting base and the auxiliary lifting guide rail. A mounting seat is slidably connected to the front side of the auxiliary lifting guide rail in a limiting mode, a nitrogen spring is fixedly mounted between the mounting seat and the supporting base, and a wrench supporting folding arm is mounted at the top of the mounting seat. According to the utility model, the lifting adjustment can be carried out on the wrench supporting folding arm more flexibly, meanwhile, the lifting adjustment precision of the wrench supporting folding arm is improved, lubricating oil is quantitatively smeared according to the lifting movement frequency of the supporting base, the phenomena of excessive oil discharge and insufficient oil discharge are avoided, and the lubricating effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical assembly technical field, concretely relates to a lifting power assisting mechanical arm. BACKGROUND

[0002] With the progress of science and technology, in the field of mechanical assembly, has slowly replaced manual assembly by intelligent assembly robot, and in the process of using, in order to reach different heights of the support folding arm installed with wrench, still need to help lifting power assisting mechanical arm to install wrench support folding arm, and then drive wrench support folding arm to move up and down, to carry out assembly work in different positions.

[0003] But the existing lifting power assisting mechanical arm in the process of using, still has following defect: when adjusting the lifting of wrench support folding arm, just adopt separate lifting transmission assembly control, makes the flexibility and precision of wrench support folding arm lifting adjustment need to be promoted, and just adopts simple oil nozzle to lubricate in the process of lifting movement, cannot adjust according to the use and the frequency of lifting movement, prone to lubrication deficiency phenomenon, reduces the lubrication effect. UTILITY MODEL CONTENTS

[0004] The utility model discloses a lifting power assisting mechanical arm, which can solve the problem of the flexibility and precision of wrench support folding arm lifting adjustment, and can add lubricating oil according to the frequency of lifting movement, so that the problem of too much or too little oil output is avoided, and the lubrication effect is improved.

[0005] The utility model discloses a lifting power assisting mechanical arm, which can solve the problem of the flexibility and precision of wrench support folding arm lifting adjustment, and can add lubricating oil according to the frequency of lifting movement, so that the problem of too much or too little oil output is avoided, and the lubrication effect is improved.

[0006] A lifting power assisting mechanical arm, comprising a bottom plate, a main lifting guide rail is fixedly installed at the center of the top end of the bottom plate, a vice lifting guide rail is limitingly and slidably connected to the front side of the main lifting guide rail, a supporting base is limitingly and slidably connected to the front side of the vice lifting guide rail, an installation seat is limitingly and slidably connected to the front side of the vice lifting guide rail, and the installation seat is located above the supporting base, a nitrogen spring is fixedly installed between the installation seat and the supporting base, a wrench support folding arm is installed on the top of the installation seat, a main lifting transmission assembly is installed between the vice lifting guide rail and the main lifting guide rail, and a vice lifting transmission assembly is installed between the supporting base and the vice lifting guide rail.

[0007] Further, a drag chain one is arranged between the auxiliary lifting guide rail and the main lifting guide rail, and a drag chain two is arranged between the support base and the auxiliary lifting guide rail, thereby facilitating the installation and protection of the cable.

[0008] Further, a protective cover is fixedly installed at the top end of the bottom plate, the front side of the protective cover is open, and the protective cover is wrapped outside the main lifting guide rail and the auxiliary lifting guide rail, a machine box is fixedly arranged at the rear side of the protective cover at the top end of the bottom plate, the machine box is used for installing a power control system, thereby driving and controlling the main lifting transmission assembly and the auxiliary lifting transmission assembly, universal wheels are fixedly installed at the bottom end of the bottom plate, thereby facilitating movement and transfer.

[0009] Further, a frame body is fixedly installed at the rear end of the support base, and the support base is connected to the front side of the auxiliary lifting guide rail through the frame body.

[0010] Further, an oil injection nozzle is fixedly installed at the top of the frame body, the oil injection nozzle is connected to the inside of the frame body downward, thereby being capable of injecting lubricating oil into the oil storage cavity through the oil injection nozzle.

[0011] Further, in addition to the oil injection nozzle, an oil conveying pipe or an automatic lubricating tank can also be fixedly installed at the top of the frame body, and continuous lubrication can be realized through the oil conveying pipe or the automatic lubricating tank, so that the oil injection nozzle at the top of the frame body can be selectively replaced by the oil conveying pipe or the automatic lubricating tank according to actual use conditions.

[0012] The utility model discloses the beneficial effects are as follows:

[0013] The utility model discloses a combination design of auxiliary lifting guide rail and support base, which can drive the wrench supporting folding arm to be synchronous lifting and adjusting, and can also drive the support base to drive the wrench supporting folding arm to be lifting and adjusting relative to the auxiliary lifting guide rail, so that the wrench supporting folding arm is more flexible in lifting and adjusting, and the nitrogen spring between the support base and the mounting seat can also improve the precision of the wrench supporting folding arm in lifting and adjusting, and the oil conveying pipe or the automatic lubricating roller can realize continuous lubrication according to actual use conditions and the frequency of lifting, thereby improving the lubricating effect. ACCURATE DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0015] Figure 2 It is the partial three-dimensional structure schematic diagram of the utility model;

[0016] Figure 3 It is the utility model Figure 2 The structure enlarged view of A place in the utility model;

[0017] Figure 4 It is the utility modelFigure 2 A magnified view of the structure at point B in the middle;

[0018] Figure 5 This is a schematic diagram of the three-dimensional structure of the auxiliary lifting guide rail and the support base of the utility model;

[0019] Figure 6 This is a schematic diagram of the three-dimensional structure of the auxiliary lifting guide rail and the frame of the utility model;

[0020] Figure 7 This is a schematic diagram of the three-dimensional structure of the frame and oil pipeline of the utility model;

[0021] Figure 8 It is a schematic diagram of the three-dimensional structure of the frame and the automatic lubrication tank of the utility model.

[0022] Figure numerals: 1. Base plate; 2. Main lifting guide rail; 3. Auxiliary lifting guide rail; 4. Support base; 41. Frame; 411. Oil nozzle; 412. Oil pipe; 413. Automatic lubrication tank; 5. Mounting seat; 6. Nitrogen spring; 7. Wrench support folding arm; 8. Main lifting transmission assembly; 9. Auxiliary lifting transmission assembly; 10. Drag chain 1; 11. Drag chain 2; 12. Protective cover; 13. Chassis; 14. Universal wheel. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0024] A lifting assist robot arm according to a preferred embodiment of the present invention will be described in detail below. Figures 1-5 As shown, a lifting-assisting mechanical arm includes a base plate 1, a main lifting guide rail 2 is fixedly installed at the center of the top of the base plate 1, the front side limit sliding connection of the main lifting guide rail 2 is connected to the auxiliary lifting guide rail 3, the front side limit sliding connection of the auxiliary lifting guide rail 3 is connected to the supporting base 4, the front side limit sliding connection of the auxiliary lifting guide rail 3 is connected to the mounting seat 5, and the mounting seat 5 is located above the supporting base 4, a nitrogen spring 6 is fixedly installed between the mounting seat 5 and the supporting base 4, a wrench support folding arm 7 is installed on the top of the mounting seat 5, a main lifting transmission assembly 8 is installed between the auxiliary lifting guide rail 3 and the main lifting guide rail 2, and a auxiliary lifting transmission assembly 9 is installed between the support base 4 and the auxiliary lifting guide rail 3, wherein the main lifting transmission assembly 8 drives the auxiliary lifting guide rail 3 to slide up and down on the front side of the main lifting guide rail 2 through the cooperation of the motor and the screw rod, and the auxiliary lifting transmission assembly 9 drives the support base 4 to slide up and down on the front side of the auxiliary lifting guide rail 3 through the cooperation of the motor and the chain.

[0025] A drag chain one 10 is arranged between the auxiliary lifting guide rail 3 and the main lifting guide rail 2, and a drag chain two 11 is arranged between the support base 4 and the auxiliary lifting guide rail 3, thereby facilitating the installation and protection of the cable.

[0026] The top end of the bottom plate 1 is fixedly installed with a protective cover 12, the front side of the protective cover 12 is open, and the protective cover 12 is wrapped outside the main lifting guide rail 2 and the auxiliary lifting guide rail 3, the rear side of the protective cover 12 at the top end of the bottom plate 1 is fixedly placed with a machine box 13, the machine box 13 is used for installing a power control system, thereby driving and controlling the main lifting transmission assembly 8 and the auxiliary lifting transmission assembly 9, and the bottom end of the bottom plate 1 is fixedly installed with a universal wheel 14, thereby facilitating movement and transfer.

[0027] Further, as shown in Figures 5-8 The rear end of the support base 4 is fixedly installed with a frame body 41, the support base 4 is limitingly and slidingly connected to the front side of the auxiliary lifting guide rail 3 through the frame body 41, the top of the frame body 41 is fixedly installed with an oil injection nozzle 411, the oil injection nozzle 411 is connected to the inside of the frame body 41 downward, thereby being capable of adding lubricating oil into the oil storage cavity through the oil injection nozzle 411.

[0028] The top of the frame body 41 can be fixedly installed with an oil delivery pipe 412 or an automatic lubricating tank 413 in addition to the oil injection nozzle 411, and continuous lubrication can be realized through the oil delivery pipe 412 or the automatic lubricating tank 413, therefore, the oil injection nozzle 411 on the top of the frame body 41 can be selectively replaced by the oil delivery pipe 412 or the automatic lubricating tank 413 according to the actual use condition.

[0029] The working principle of the utility model is:

[0030] When it is needed to drive the wrench support folding arm 7 to perform lifting adjustment, the main lifting transmission assembly 8 can be started, the main lifting transmission assembly 8 drives the auxiliary lifting guide rail 3 to move up and down at the front side of the main lifting guide rail 2, thereby the auxiliary lifting guide rail 3 drives the support base 4, the mounting seat 5 and the wrench support folding arm 7 to move up and down synchronously.

[0031] While the auxiliary lifting guide rail 3 and the wrench support folding arm 7 move up and down synchronously, the auxiliary lifting transmission assembly 9 can also be started, the auxiliary lifting transmission assembly 9 drives the support base 4 to move up and down at the front side of the auxiliary lifting guide rail 3, thereby the support base 4 drives the mounting seat 5 and the wrench support folding arm 7 to move up and down synchronously, thereby the wrench support folding arm 7 can be more flexibly adjusted, and through the action of the nitrogen spring 6 between the support base 4 and the mounting seat 5, the mounting seat 5 and the wrench support folding arm 7 can be more accurately adjusted, thereby the accuracy of the wrench support folding arm 7 lifting adjustment is improved.

[0032] During the lifting and lowering movement of the support base 4 relative to the auxiliary lifting guide rail 3, the lubricating oil injected into the inside of the frame 41 through the oiling nozzle 411 can lubricate the relative movement with the auxiliary lifting guide rail 3. According to the actual usage and the frequency of lifting and lowering of the support base 4 relative to the auxiliary lifting guide rail 3, the oiling nozzle 411 on the top of the frame 41 can be replaced with an oil pipe 412 or an automatic lubrication tank 413, thereby achieving continuous lubrication and improving the lubrication effect of the lifting and lowering movement.

[0033] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A lifting assist robot arm, comprising a base plate (1), characterized in that: A main lifting guide rail (2) is fixedly installed at the center of the top of the base plate (1), the front side limit sliding connection of the main lifting guide rail (2) is connected to the auxiliary lifting guide rail (3), the front side limit sliding connection of the auxiliary lifting guide rail (3) is connected to the support base (4), the front side limit sliding connection of the auxiliary lifting guide rail (3) is connected to the mounting seat (5), and the mounting seat (5) is located above the support base (4), a nitrogen spring (6) is fixedly installed between the mounting seat (5) and the support base (4), a wrench support folding arm (7) is installed on the top of the mounting seat (5), a main lifting transmission assembly (8) is installed between the auxiliary lifting guide rail (3) and the main lifting guide rail (2), and an auxiliary lifting transmission assembly (9) is installed between the support base (4) and the auxiliary lifting guide rail (3).

2. The lifting assist mechanical arm according to claim 1, characterized in that: A drag chain 1 (10) is provided between the auxiliary lifting guide rail (3) and the main lifting guide rail (2), and a drag chain 2 (11) is provided between the support base (4) and the auxiliary lifting guide rail (3).

3. The lifting assist mechanical arm according to claim 1, characterized in that: A protective cover (12) is fixedly mounted on the top of the base plate (1), the front side of the protective cover (12) is open and wrapped around the outside of the main lifting guide rail (2) and the auxiliary lifting guide rail (3), a chassis (13) is fixedly placed on the rear side of the protective cover (12) at the top of the base plate (1), and a universal wheel (14) is fixedly mounted on the bottom end of the base plate (1).

4. The lifting assist mechanical arm according to claim 1, characterized in that: A frame (41) is fixedly mounted on the rear end of the support base (4), and the support base (4) is connected to the front side of the auxiliary lifting guide rail (3) in a limited sliding manner through the frame (41).

5. The lifting assist mechanical arm according to claim 4, characterized in that: An oiling nozzle (411) is fixedly mounted on the top of the frame (41), and the oiling nozzle (411) is downwardly connected to the interior of the frame (41).

6. The lifting assist mechanical arm according to claim 5, characterized in that: In addition to the oiling nozzle (411), the top of the frame (41) can also be fixedly mounted with an oil delivery pipe (412) or an automatic lubrication tank (413), and continuous lubrication can be achieved through the oil delivery pipe (412) or the automatic lubrication tank (413).

Images