CN218082787U

CN218082787U - Spring type space arm

Info

Publication number: CN218082787U
Application number: CN202222243921.3U
Authority: CN
Inventors: 律其明
Original assignee: Tai'an Xutai Machinery Co ltd
Current assignee: Tai'an Xutai Machinery Co ltd
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2022-12-20
Anticipated expiration: 2032-08-25

Abstract

The utility model relates to a welding equipment technical field, and a spring space arm is disclosed, including the main tributary braced arm, first regulating arm, extension arm and mounting panel, first regulating arm rotates with the main tributary braced arm level and is connected, the extension arm is connected with the vertical rotation of first regulating arm, the terminal surface fixed connection of mounting panel and extension arm, the rotation junction of main tributary braced arm and first regulating arm sets up lubricating mechanism, when the relative main tributary braced arm of first regulating arm rotates, through roll ball and first regulating arm contact, first regulating arm promotes the roll ball around the pivot rotation with the frictional force of roll ball, when getting the oil pocket and rotating to inside lining intraductal, the interior fluid entering of collecting vessel gets the oil pocket, roll outside the inside lining pipe when getting the oil pocket, the fluid that is located to get the oil pocket is smeared and is smeared the wall in first regulating arm rotation department, reduce artifical initiative and scribble the work load that lubricating grease increased.

Description

Spring type space arm

Technical Field

The utility model relates to a welding equipment technical field especially relates to spring space arm.

Background

The prior art is searched for and discloses a controllable gas spring welding space arm (CN 201821442714.8), which is characterized by comprising a main beam mechanism, a small adjusting beam mechanism and a welding wire mechanism; the main beam mechanism realizes that the horizontal rotation angle is larger than 180 degrees, the small adjusting beam mechanism realizes that the horizontal rotation angle is close to 180 degrees, and meanwhile, the small adjusting beam mechanism can move up and down; the main beam mechanism is fixed on the wall upright post, one end of the small adjusting beam mechanism is connected with the main beam mechanism, and the other end of the small adjusting beam mechanism is connected with the welding wire mechanism; the main beam mechanism comprises a fixed rotating seat, a main beam and a hook; the fixed rotary seat comprises a rib plate, a transverse plate and a reinforced vertical plate; the left end of the fixed rotating seat is fixed on a wall body; the utility model has simple and reasonable structure, stability and good practicability;

in the prior art, the large arm and the small arm which are hinged to each other repeatedly rotate and rub, so frequent lubrication and maintenance are needed, manual filling is mostly adopted for lubrication, the workload and the labor cost are increased, meanwhile, the filling period completely depends on self experience, and the lubricating oil filling period is difficult to unify.

To this end, we propose spring-loaded spatial arms.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the technical problem that above-mentioned prior art exists, provide spring space arm.

In order to realize the above-mentioned purpose, the utility model discloses a following technical scheme, spring space arm, including main tributary brace arm, first regulating arm, extension arm and mounting panel, first regulating arm rotates with the main tributary brace arm level and is connected, and the extension arm is connected with the vertical rotation of first regulating arm, the terminal surface fixed connection of mounting panel and extension arm, the rotation junction of main tributary brace arm and first regulating arm sets up lubricating mechanism, lubricating mechanism includes the feed cylinder, interior bushing pipe, roll ball, gets oil pocket and pivot, feed cylinder and main tributary brace arm threaded connection, interior bushing pipe and feed cylinder sliding connection, the roll ball rotates through pivot and interior bushing pipe to be connected, and the wall of roll ball is seted up the oil pocket and is got.

Furthermore, the collecting cylinder is a cylinder with a closed right end, the lining pipe is a circular pipe with two open ends, the oil taking cavity penetrates through the rolling ball, the rotating shaft is rotatably connected with the inner wall surface of the lining pipe, the rolling ball is a rubber ball body, and the oil taking cavity is arranged on the circumferential surface of the rolling ball.

Furthermore, the lubricating mechanism further comprises a sealing plate, a communicating hole and an elastic spring, wherein the sealing plate is fixedly connected with the lining pipe, the communicating hole is formed in the bottom surface of the sealing plate, one end of the elastic spring is fixedly connected with the sealing plate, and the other end of the elastic spring is fixedly connected with the inner wall surface of the collecting cylinder.

Further, the closing plate is circular rubber slab, and the diameter of closing plate equals with interior bushing pipe internal diameter, and the bottom surface of closing plate is spherical indent and the sphere of the indent adaptation roll ball of closing plate, the roll ball be located the interior recess department of closing plate, the intercommunicating pore is seted up in the top surface centre of a circle department of closing plate.

Furthermore, lubricating mechanism still includes tip groove, gas pocket, catch plate and gag lever post, tip groove and gas pocket are seted up to the terminal surface of collecting vessel, the gag lever post passes tip groove and catch plate fixed connection, catch plate and collecting vessel sliding connection.

Furthermore, the pushing plate is a circular plate, the diameter of the pushing plate is equal to the inner diameter of the collecting cylinder, a sealing ring is arranged on the circumferential surface of the pushing plate, the limiting rod is fixedly connected with the center of the top surface of the pushing plate, and the end groove is located at the center of the end surface of the collecting cylinder.

Advantageous effects

The utility model provides a spring space arm. The method has the following beneficial effects:

(1) The spring type space arm is characterized in that inner thread threaded holes are formed in the wall surfaces of the main support arm and the first adjusting arm, the collecting cylinder is in threaded connection with the threaded holes, when the first adjusting arm rotates relative to the main support arm, the first adjusting arm is in contact with the first adjusting arm through the rolling ball, the rolling ball is pushed to rotate around the rotating shaft by the friction force of the first adjusting arm and the rolling ball, when the oil taking cavity rotates into the lining pipe, oil stored in the collecting cylinder enters the oil taking cavity, when the oil taking cavity rolls out of the lining pipe, the oil located in the oil taking cavity is smeared on the wall surface of the rotating position of the first adjusting arm, lubrication of the hinged position of the main support arm and the first adjusting arm is achieved, the workload of manually and actively smearing lubricating grease is reduced, in the rotating process of the first adjusting arm, when the rolling ball rotates for one circle, the oil taking cavity only takes oil once and lubricates the first adjusting arm, and quantitative lubrication in the rotating process of the first adjusting arm is achieved.

(2) This spring space arm, concave surface and the rolling ball laminating through the closing plate, when getting the oil chamber and rotate under the intercommunicating pore, fluid in the collecting vessel just can get into gets the oil intracavity, reduce the excessive probability of fluid under first regulating arm quiescent condition in the collecting vessel, and simultaneously, promote the closing plate through elasticity spring elasticity and drive interior bushing pipe of lining and rolling ball and move down for the rolling ball can with first regulating arm in close contact with, ensure that the rolling ball can rotate, improve the stability of operation.

(3) This spring space arm, along with the reduction of fluid in the surge drum, the inside pressure reduction of surge drum, external gas gets into from the gas pocket and exerts pressure to the catch plate terminal surface, the fluid promotion of catch plate in with the surge drum, the catch plate drives the gag lever post and slides in the tip inslot, when vertical placing and level of surge drum were placed, make the fluid height in the surge drum flood the intercommunicating pore all the time, and simultaneously, after fluid makes up in the surge drum, drive bushing pipe through the pulling roll ball and break away from in the surge drum, the pulling gag lever post drives the catch plate and inhales fluid from the lower extreme opening of surge drum and supply in the surge drum, realize cyclic utilization, the surge drum pass through the screw thread and be connected with main tributary support arm and first regulating arm, the convenient high efficiency of installation.

Drawings

The structures, proportions, sizes, and other elements shown in the specification are for the understanding of the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined by the claims, but rather by the claims.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an exploded view of the lubricating mechanism of the utility model;

fig. 3 is a partial exploded view of the second embodiment of the present invention.

Illustration of the drawings:

10. a main support arm; 11. a first adjustment arm; 12. an extension arm; 13. mounting a plate; 20. a collection canister; 21. a liner tube; 22. a rolling ball; 23. taking an oil cavity; 24. a rotating shaft; 25. a sealing plate; 26. a communicating hole; 27. a spring; 30. an end slot; 31. air holes; 32. a push plate; 33. a limiting rod.

Detailed Description

In the first embodiment, a spring type space arm, as shown in fig. 1-2, includes a main support arm 10, a first adjusting arm 11, an extension arm 12 and a mounting plate 13, the first adjusting arm 11 is horizontally and rotatably connected with the main support arm 10, the extension arm 12 is vertically and rotatably connected with the first adjusting arm 11, the mounting plate 13 is fixedly connected with an end surface of the extension arm 12, a lubricating mechanism is disposed at a rotational connection position of the main support arm 10 and the first adjusting arm 11, the lubricating mechanism includes a collecting cylinder 20, a lining pipe 21, a rolling ball 22, an oil taking cavity 23 and a rotating shaft 24, the collecting cylinder 20 is in threaded connection with the main support arm 10, the lining pipe 21 is in sliding connection with the collecting cylinder 20, the rolling ball 22 is rotatably connected with the lining pipe 21 through the rotating shaft 24, an oil taking cavity 23 is formed on a wall surface of the rolling ball 22, the collecting cylinder 20 is a cylinder with a closed right end, the collecting cylinder 21 is a circular tube with two open ends, the oil taking cavity 23 penetrates through the rolling ball 22, and the rotating shaft 24 is rotatably connected with the inner wall surface of the lining pipe 21, the rolling ball 22 is a rubber ball, the oil taking cavity 23 is arranged on the circumferential surface of the rolling ball 22, the lubricating mechanism further comprises a sealing plate 25, a communicating hole 26 and an elastic spring 27, the sealing plate 25 is fixedly connected with the lining pipe 21, the communicating hole 26 is arranged on the bottom surface of the sealing plate 25, one end of the elastic spring 27 is fixedly connected with the sealing plate 25, the other end of the elastic spring 27 is fixedly connected with the inner wall surface of the collecting cylinder 20, the sealing plate 25 is a circular rubber plate, the diameter of the sealing plate 25 is equal to the inner diameter of the lining pipe 21, the bottom surface of the sealing plate 25 is concave in a spherical shape, the concave part of the sealing plate 25 is matched with the spherical surface of the rolling ball 22, the rolling ball 22 is arranged in the concave part of the sealing plate 25, the communicating hole 26 is arranged at the center of the top surface of the sealing plate 25, and the collecting cylinder 20 is in threaded connection with the threaded hole by arranging internal thread threaded holes on the wall surfaces of the main support arm 10 and the first adjusting arm 11, when the first adjusting arm 11 rotates relative to the main supporting arm 10, the rolling ball 22 is in contact with the first adjusting arm 11 through the rolling ball 22, friction force between the first adjusting arm 11 and the rolling ball 22 pushes the rolling ball 22 to rotate around the rotating shaft 24, when the oil taking cavity 23 rotates into the lining pipe 21, oil stored in the collecting cylinder 20 enters the oil taking cavity 23, when the oil taking cavity 23 rolls out of the lining pipe 21, the oil in the oil taking cavity 23 is coated on the wall surface of the rotating position of the first adjusting arm 11, lubrication of the hinged position of the main supporting arm 10 and the first adjusting arm 11 is achieved, the workload of manually and actively coating lubricating grease is reduced, in addition, in the rotating process of the first adjusting arm 11, the oil taking cavity 23 only takes oil once and lubricates the first adjusting arm 11 once every time when the rolling ball 22 rotates for one circle, and quantitative lubrication in the rotating process of the first adjusting arm 11 is achieved.

Through the concave surface and the laminating of rolling ball 22 of closing plate 25, when getting oil cavity 23 and rotating under the intercommunicating pore 26, fluid in the collecting vessel 20 just can get into and get in the oil cavity 23, reduce the excessive probability of fluid under first regulating arm 11 quiescent condition in the collecting vessel 20, and simultaneously, promote closing plate 25 through spring 27 elasticity and drive interior bushing pipe 21 and rolling ball 22 and move down, make rolling ball 22 can with first regulating arm 11 in close contact with, ensure that rolling ball 22 can rotate, improve the stability of operation.

In the second embodiment, as shown in fig. 3, the spring type space arm further includes an end groove 30, an air hole 31, a push plate 32 and a limit rod 33, the end surface of the collecting cylinder 20 is provided with the end groove 30 and the air hole 31, the limit rod 33 passes through the end groove 30 and is fixedly connected with the push plate 32, the push plate 32 is slidably connected with the collecting cylinder 20, the push plate 32 is a circular plate, the diameter of the push plate 32 is equal to the inner diameter of the collecting cylinder 20, a sealing ring is arranged on the circumferential surface of the push plate 32, the limit rod 33 is fixedly connected with the center of the top surface of the push plate 32, the end groove 30 is located at the center of the end surface of the collecting cylinder 20, as the oil in the collecting cylinder 20 decreases, the pressure inside the collecting cylinder 20 decreases, external gas enters from the air hole 31 to press the end surface of the push plate 32, the push plate 32 pushes the oil in the collecting cylinder 20, the limit rod 33 is driven by the push plate 32 to slide in the end groove 30, when the collecting cylinder 20 is vertically and horizontally placed, the collecting cylinder 20 is vertically placed, the oil is pulled to be conveniently sucked from the lower end of the collecting cylinder 20 through the adjusting arm 20 by the adjusting ball 21, and the adjusting arm 20, and the adjusting arm is conveniently connected with the lower end of the collecting cylinder 20.

The utility model discloses a theory of operation: the first adjusting arm 11 and the extension arm 12 are rotatably connected through a gas spring hinge block, which is the prior art and is not described herein, inner thread threaded holes are formed in the wall surfaces of the main supporting arm 10 and the first adjusting arm 11, the collecting cylinder 20 is in threaded connection with the threaded holes, when the first adjusting arm 11 rotates relative to the main supporting arm 10, the rolling ball 22 is in contact with the first adjusting arm 11 through the rolling ball 22, the friction force between the first adjusting arm 11 and the rolling ball 22 pushes the rolling ball 22 to rotate around the rotating shaft 24, when the oil taking cavity 23 rotates into the inner lining pipe 21, oil stored in the collecting cylinder 20 enters the oil taking cavity 23, when the oil taking cavity 23 rolls out of the inner lining pipe 21, the oil in the oil taking cavity 23 is smeared on the wall surface of the rotating part of the first adjusting arm 11, along with the reduction of fluid in the surge drum 20, the inside pressure of surge drum 20 reduces, external gas gets into from gas pocket 31 and exerts pressure to pushing plate 32 terminal surface, pushing plate 32 promotes the fluid in the surge drum 20, pushing plate 32 drives gag lever post 33 and slides in tip groove 30, when vertical the placing with the level of surge drum 20, make the fluid height in the surge drum 20 submerge the intercommunicating pore 26 all the time, and simultaneously, after fluid uses up in the surge drum 20, drive interior bushing pipe 21 through pulling roll ball 22 and break away from in the surge drum 20, pulling gag lever post 33 drives pushing plate 32 and inhales fluid in the surge drum 20 from the lower extreme opening of surge drum 20 and supply.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. Spring space arm, including main tributary brace arm (10), first regulating arm (11), extension arm (12) and mounting panel (13), first regulating arm (11) rotate with main tributary brace arm (10) level and are connected, and extension arm (12) are connected with the vertical rotation of first regulating arm (11), mounting panel (13) and the terminal surface fixed connection of extension arm (12), its characterized in that: the lubricating mechanism is arranged at the rotating connection position of the main support arm (10) and the first adjusting arm (11), the lubricating mechanism comprises a collecting cylinder (20), a lining pipe (21), rolling balls (22), an oil taking cavity (23) and a rotating shaft (24), the collecting cylinder (20) is in threaded connection with the main support arm (10), the lining pipe (21) is in sliding connection with the collecting cylinder (20), the rolling balls (22) are in rotating connection with the lining pipe (21) through the rotating shaft (24), and the oil taking cavity (23) is formed in the wall surface of the rolling balls (22).

2. The spring loaded spatial arm of claim 1, wherein: the collecting cylinder (20) is a cylinder with a closed right end, the lining pipe (21) is a circular pipe with two open ends, the oil taking cavity (23) penetrates through the rolling ball (22), the rotating shaft (24) is rotatably connected with the inner wall surface of the lining pipe (21), the rolling ball (22) is a rubber ball body, and the oil taking cavity (23) is arranged on the circumferential surface of the rolling ball (22).

3. The spring loaded spatial arm of claim 2, wherein: the lubricating mechanism further comprises a sealing plate (25), a communicating hole (26) and an elastic spring (27), the sealing plate (25) is fixedly connected with the lining pipe (21), the communicating hole (26) is formed in the bottom surface of the sealing plate (25), one end of the elastic spring (27) is fixedly connected with the sealing plate (25), and the other end of the elastic spring (27) is fixedly connected with the inner wall surface of the collecting cylinder (20).

4. The spring-loaded spatial arm of claim 3, wherein: the sealing plate (25) is a circular rubber plate, the diameter of the sealing plate (25) is equal to the inner diameter of the lining pipe (21), the bottom surface of the sealing plate (25) is spherical concave and the spherical surface of the concave adaptive rolling ball (22) of the sealing plate (25), the rolling ball (22) is located in the concave part of the sealing plate (25), and the communication hole (26) is formed in the center of the top surface of the sealing plate (25).

5. The spring loaded spatial arm of claim 4, wherein: the lubricating mechanism further comprises an end groove (30), an air hole (31), a pushing plate (32) and a limiting rod (33), the end groove (30) and the air hole (31) are formed in the end face of the collecting barrel (20), the limiting rod (33) penetrates through the end groove (30) to be fixedly connected with the pushing plate (32), and the pushing plate (32) is connected with the collecting barrel (20) in a sliding mode.

6. The spring loaded spatial arm of claim 5, wherein: the pushing plate (32) is a circular plate, the diameter of the pushing plate (32) is equal to the inner diameter of the collecting cylinder (20), a sealing ring is arranged on the circumferential surface of the pushing plate (32), the limiting rod (33) is fixedly connected with the center of the top surface of the pushing plate (32), and the end groove (30) is located in the center of the end face of the collecting cylinder (20).