CN219617055U

CN219617055U - Tower crane standard festival welding jig

Info

Publication number: CN219617055U
Application number: CN202320909148.1U
Authority: CN
Inventors: 陈宇立; 李磊; 张开春
Original assignee: Chongqing Yongmankang Machinery Manufacturing Co ltd
Current assignee: Chongqing Yongmankang Machinery Manufacturing Co ltd
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2023-09-01
Anticipated expiration: 2033-04-21

Abstract

The utility model discloses a standard joint welding fixture of a tower crane, which comprises a placing base, wherein a workbench is arranged on the upper end surface of the placing base, a first rotating shaft is rotatably connected to the upper end surface of the placing base, a first bevel gear is arranged at the upper end of the first rotating shaft, the lower end of the first rotating shaft is connected with a servo motor arranged on the placing base, a pair of vertical plates are respectively arranged on two sides of the upper end surface of the placing base on the first bevel gear, a second rotating shaft is rotatably connected to the two pairs of vertical plates, and a second bevel gear meshed with the first bevel gear is arranged on the second rotating shaft; the upper end face of the workbench is fixedly provided with two plate frames, the plate frames are rotationally connected with a third rotating shaft and a threaded rotating shaft, the end face of the third rotating shaft is connected with a square plate, the end face of the square plate is fixedly connected with an electric push rod, and the end face of the electric push rod is connected with a disc. The standard section at the positioning frame can be driven to adjust the welding direction through the structure, so that the standard section can be flexibly turned over to realize multidirectional welding.

Description

Tower crane standard festival welding jig

Technical Field

The utility model relates to the technical field of tower crane standard knot machining, in particular to a welding fixture for a tower crane standard knot.

Background

The important components of the tower crane standard section tower crane are that a qualified standard section not only can improve the stability of the tower crane, but also can obviously improve the safety performance and the working efficiency of the tower crane, and in order to weld the standard section, a standard section welding fixture of the tower crane is needed. The common standard knot welding fixture can only be installed and fixed to a certain azimuth of the standard knot, so that the standard knot cannot be flexibly turned over to realize multidirectional welding, and therefore the azimuth of the standard knot needs to be adjusted, or a welding station is manually moved, so that the working efficiency of the standard knot during welding is affected.

Therefore, a welding fixture for a standard section of a tower crane is provided.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide the welding fixture for the standard section of the tower crane, which can solve the problem that the standard section cannot be flexibly turned over to realize multidirectional welding.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a tower crane standard festival welding jig, includes places the base, the up end of placing the base is installed the workstation, the up end of placing the base rotates and is connected with first pivot, first conical gear is installed to the upper end of first pivot, the lower extreme of first pivot is connected with the servo motor that sets up in placing the base, the up end of placing the base is provided with a pair of riser respectively in the both sides of first bevel gear, two pairs of respectively rotate on the riser and be connected with the second pivot, install the second conical gear with first bevel gear meshing on the second pivot;

the upper end face of the workbench is fixedly provided with two plate frames, the plate frames are rotationally connected with a third rotating shaft and a threaded rotating shaft, the end face of the third rotating shaft is connected with a square plate, the end face of the square plate is fixedly connected with an electric push rod, and the end face of the electric push rod is connected with a disc.

According to the welding fixture for the standard section of the tower crane, the end faces of the circular discs are connected with three sliding rods in a triangular arrangement in a sliding manner, and the end faces of the three sliding rods are connected with positioning frames.

According to the welding fixture for the standard section of the tower crane, a connecting spring is connected between the positioning frame and the disc.

According to the welding fixture for the standard section of the tower crane, a support plate is fixedly arranged on the upper end face of the workbench, and the two threaded rotating shafts are both in rotary connection with the support plate.

According to the welding fixture for the standard section of the tower crane, two limiting rods are arranged on the inner side of the plate frame, the two limiting rods are designed in parallel, a cleaning brush plate is spirally driven on the outer surface of the threaded rotating shaft, and the limiting rods penetrate through the cleaning brush plate.

According to the tower crane standard knot welding fixture, the outer surfaces of the second rotating shaft, the threaded rotating shaft and the third rotating shaft are respectively provided with a first belt pulley, a third belt pulley and a second belt pulley, and the first belt pulley, the third belt pulley and the second belt pulley are in transmission connection through belts.

Compared with the prior art, the utility model has the beneficial effects that:

1. the rotation adjustment of the two third rotating shafts is driven by utilizing the transmission action of the bevel gears and the transmission action of the belt, so that the standard section at the positioning frame is driven to adjust the welding direction, the standard section can be flexibly turned over to realize multidirectional welding, and the working efficiency of the welding fixture for the standard section of the tower crane is improved;

2. the connecting spring is elastically deformed through the extension adjustment of the electric push rod, so that the positioning frame can adaptively clamp and fix standard knots of different specifications, the outer sides of the standard knots can be protected, the screw thread rotating shaft is driven to rotate through the transmission effect of the belt, and the cleaning brush plate on the third belt pulley is moved and adjusted to clean scattered welding slag on the workbench, so that the welding slag can be cleaned timely and collected uniformly.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is an overall structural view of the present utility model;

FIG. 2 is a schematic diagram illustrating the installation of a first bevel gear and a second bevel gear according to the present utility model;

FIG. 3 is a schematic view of the installation of a standard joint body of the present utility model;

fig. 4 is an enlarged view of fig. 3 a in accordance with the present utility model.

Reference numerals illustrate:

1. placing a base; 2. a work table; 3. a first rotating shaft; 4. a first bevel gear; 5. a servo motor; 6. a riser; 7. a second rotating shaft; 8. a plate frame; 9. a third rotating shaft; 10. a square plate; 11. an electric push rod; 12. a disc; 13. a slide bar; 14. a positioning frame; 15. a connecting spring; 16. a standard knot body; 17. a first pulley; 18. a threaded spindle; 19. a second pulley; 20. a third pulley; 21. a support plate; 22. a limit rod; 23. a cleaning brush plate; 24. a slide hole; 25. and a second bevel gear.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the present utility model provides a technical solution:

a tower crane standard festival welding jig for with standard festival main part 16 centre gripping location, it is including placing base 1, place the up end of base 1 and install workstation 2, place the up end of base 1 and rotate and be connected with first pivot 3, first bevel gear 4 is installed to the upper end of first pivot 3, the lower extreme of first pivot 3 with set up in the servo motor of placing the base be connected 5, place the up end of base 1 respectively be provided with a pair of riser 6 in the both sides of first bevel gear, two pairs respectively rotate on riser 6 and be connected with second pivot 7, install the second bevel gear 25 with first bevel gear meshing on the second pivot 7. The upper end face of the workbench 2 is fixedly provided with two plate frames 8, the plate frames 8 are rotationally connected with a third rotating shaft 9 and a threaded rotating shaft 18, the end faces of the two third rotating shafts 9 are connected with square plates 10, the end faces of the square plates 10 are fixedly connected with electric push rods 11, positioning or positioning release of a standard section is achieved through telescopic adjustment of the electric push rods 11 through arrangement of the electric push rods 11, and the workbench is convenient to use, and the end faces of the electric push rods 11 are connected with discs 12.

The end face of the disc 12 is slidably connected with three sliding rods 13 which are arranged in a triangular mode, one side of each sliding rod 13 penetrates through the disc 12, the end faces of the three sliding rods 13 are connected with positioning frames 14, connecting springs 15 are connected between the positioning frames 14 and the disc 12, one side of each connecting spring 15 is connected with the positioning frame 14, and the other side of each connecting spring 15 is connected with the disc 12. Through the setting of positioning frame 14, positioning frame 14 can adjust the distance back and forth to make positioning frame 14 can install the standard festival of fixed different specification sizes, improve standard festival welding jig's application scope.

The upper end face of the workbench 2 is fixedly provided with a support plate 21, two threaded rotating shafts 18 are both in rotary connection with the support plate 21, two limiting rods 22 are arranged on the inner side of the plate frame 8, the two limiting rods 22 are mutually parallel, a cleaning brush plate 23 is spirally driven on the outer surface of the threaded rotating shaft 18, and the limiting rods 22 penetrate through the cleaning brush plate 23. Through the setting of gag lever post 22, utilize two gag lever posts 22 can spacing the direction of movement of brush board 23 for brush board 23 can keep invariable range of movement, and the welding slag on the work bench 2 can be cleared up to brush board 23.

One side of the first rotating shaft 3 penetrates through the placing base 1 and extends to the lower end face of the placing base 1, one side of the second rotating shaft 7 penetrates through the vertical plate 6 and extends to the end face of the vertical plate 6, one side of the third rotating shaft 9 penetrates through the plate frame 8 and extends to the end face of the plate frame 8, and the outer surfaces of the second rotating shaft 7, the threaded rotating shaft 18 and the third rotating shaft 9 are respectively provided with a first belt pulley 17, a third belt pulley 20 and a second belt pulley 19, and the first belt pulley 17, the third belt pulley 20 and the second belt pulley 19 are in transmission connection through belts.

Working principle: when the tower crane standard knot welding fixture is used, the output shaft of the servo motor 5 drives the first bevel gear 4 on the first rotating shaft 3 to rotate through starting the servo motor 5, and because the first bevel gear 4 is meshed with the two second bevel gears 25, the meshing mode is the bevel gear meshing, so that the second rotating shaft 7 is driven to be rotationally regulated, the second rotating shaft 7 drives the third rotating shaft 9 to be rotationally regulated by utilizing the transmission effect of a belt, the standard knot main body 16 at the positioning frame 14 can be regulated by utilizing the elastic deformation of the connecting spring 15, so that the welding orientation can be regulated by driving the standard knot main body 16 along with the rotation regulation of the two third rotating shafts 9, the flexible overturning standard knots can be conveniently welded in multiple directions, the working efficiency of the tower crane standard knot welding fixture is improved, the two electric push rods 11 can be moved towards the left side and the right side of the standard knot main body 16 at the same time through putting the standard knot main body 16 between the two positioning frames 14, the two electric push rods 11 can be simultaneously started, so that the positioning frames 14 connected with the connecting springs 15 can be extruded and positioned on the standard knot main body 16, the elastic deformation main body 14 can be utilized to be regulated by utilizing the elastic deformation of the connecting springs 15, the belt pulley can be correspondingly regulated by utilizing the elasticity of the connecting springs 15, the belt pulleys can be simultaneously driven by utilizing the different standards of the connecting springs to be simultaneously to be driven by the belt pulleys to be rotationally regulated by the belt pulleys 20, and the belt pulleys can be simultaneously cleaned to be cleaned by the belt pulley 20, and the belt can be simultaneously 20 can be cleaned and the standard can be simultaneously and rotatably regulated by the belt pulley 20 to be correspondingly and the belt pulley 20 to be rotatably required to be matched with the standard.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The utility model provides a tower crane standard festival welding jig, is including placing base (1), its characterized in that: the automatic positioning device is characterized in that a workbench (2) is arranged on the upper end face of the placement base (1), a first rotating shaft (3) is rotatably connected to the upper end face of the placement base (1), a first bevel gear (4) is arranged at the upper end of the first rotating shaft (3), the lower end of the first rotating shaft (3) is connected with a servo motor (5) arranged on the placement base (1), a pair of vertical plates (6) are respectively arranged on two sides of the upper end face of the placement base (1) on the first bevel gear, a second rotating shaft (7) is rotatably connected to the two pairs of vertical plates (6), and a second bevel gear (25) meshed with the first bevel gear is arranged on the second rotating shaft (7);

the automatic cutting machine is characterized in that two plate frames (8) are fixedly arranged on the upper end face of the workbench (2), a third rotating shaft (9) and a threaded rotating shaft (18) are rotatably connected to the plate frames (8), a square plate (10) is connected to the end face of the third rotating shaft (9), an electric push rod (11) is fixedly connected to the end face of the square plate (10), a disc (12) is connected to the end face of the electric push rod (11), and the second rotating shaft (7) is respectively connected with the third rotating shaft (9) and the threaded rotating shaft (18) in a transmission mode.

2. The welding fixture for standard joints of a tower crane according to claim 1, wherein: the end face of the disc (12) is connected with three sliding rods (13) in triangular arrangement in a sliding manner, and the end faces of the three sliding rods (13) are connected with positioning frames (14).

3. The welding fixture for standard joints of tower cranes according to claim 2, wherein: a connecting spring (15) is connected between the positioning frame (14) and the disc (12).

4. The welding fixture for standard joints of a tower crane according to claim 1, wherein: the upper end face of the workbench (2) is fixedly provided with a support plate (21), and the two threaded rotating shafts (18) are both in rotary connection with the support plate (21).

5. The welding fixture for standard joints of a tower crane according to claim 1, wherein: two limit rods (22) are arranged on the inner side of the plate frame (8), the two limit rods (22) are mutually parallel, a cleaning brush plate (23) is spirally driven on the outer surface of the threaded rotating shaft (18), and the limit rods (22) penetrate through the cleaning brush plate (23).

6. The welding fixture for standard joints of a tower crane according to claim 1, wherein: the outer surfaces of the second rotating shaft (7), the threaded rotating shaft (18) and the third rotating shaft (9) are respectively provided with a first belt pulley (17), a third belt pulley (20) and a second belt pulley (19), and the first belt pulley (17), the third belt pulley (20) and the second belt pulley (19) are connected through belt transmission.