CN215980734U

CN215980734U - Tower machine slewing reducer

Info

Publication number: CN215980734U
Application number: CN202122646139.1U
Authority: CN
Inventors: 陈刚
Original assignee: Jinan Wochen Steel Structure Co ltd
Current assignee: Jinan Wochen Steel Structure Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-03-08
Anticipated expiration: 2031-11-01

Abstract

The utility model discloses a tower crane rotary speed reducer, which comprises a base plate, wherein a plurality of threaded holes are formed in the periphery of the base plate, a clamping groove is arranged at the center of the top end of the base plate, an installation groove is arranged on the inner wall of the clamping groove, a second spring is fixedly connected to the bottom of the inner wall of the installation groove, the top end of the second spring is fixedly connected with a movable block, the top end of the clamping groove is provided with a limiting disc, the top end of the limiting disc is fixedly connected with a speed reducer main body, a plurality of rotating rods are rotatably connected to one side of the base plate close to the clamping grooves, the top ends of the rotating rods are fixedly connected with first springs, the top end of the first spring is fixedly connected with a movable plate, the top end of the movable plate is fixedly connected with a handle, the clamping groove and the limiting disc of the utility model are convenient for better limiting the speed reducer main body, thereby better fixing the speed reducer main part, the setting of activity post, first spring, bull stick and handle is convenient for better fixing spacing dish and speed reducer main part.

Description

Tower machine slewing reducer

Technical Field

The utility model relates to the field of speed reducer installation, in particular to a rotary speed reducer of a tower crane.

Background

Tower cranes (i.e. tower cranes) are large-scale work equipment in construction sites and are mainly used for vertically conveying building materials in high-rise construction. With the continuous development of the construction industry, high-rise buildings are more and more, and the use amount of tower cranes is also more and more. The working efficiency, safety and reliability of the tower crane are directly influenced by the working performance of three working mechanisms (a hoisting mechanism, a slewing mechanism and a luffing mechanism) of the tower crane.

The existing speed reducer is low in installation speed and troublesome to replace and maintain, and therefore a tower crane rotary speed reducer is designed.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is; the existing speed reducer has slow installation speed and is troublesome to replace and maintain.

In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides a tower machine slewing reducer, includes the base plate, a plurality of screw holes have been seted up to base plate week side, base plate top center department has seted up the draw-in groove, the mounting groove has been seted up to the draw-in groove inner wall, mounting groove inner wall bottom fixedly connected with second spring, second spring top fixedly connected with movable block, the draw-in groove top is equipped with spacing dish, spacing dish top fixedly connected with speed reducer main part, one side rotation that the base plate is close to the draw-in groove is connected with a plurality of bull sticks, the first spring of bull stick top fixedly connected with, first spring top fixedly connected with fly leaf, fly leaf top fixedly connected with handle, fly leaf bottom fixedly connected with activity post, activity bottom of the post portion runs through the bull stick and blocks with the base plate mutually through spacing groove.

Preferably, the cross section of the substrate is circular, the thickness of the substrate is not less than two centimeters, and the substrate is made of stainless steel.

Preferably, the section of activity post is circular, the laminating of activity post outer wall and spacing inslot wall, the activity post is stainless steel material.

Preferably, the two ends of the first spring are respectively bonded with the movable plate and the rotating rod, the section of the movable plate is circular, and the movable plate is made of stainless steel.

Preferably, the bull stick passes through the bearing and links to each other with the base plate, the bull stick bottom is laminated with spacing dish mutually, the bull stick is stainless steel material, the thickness of bull stick is not less than two millimeters.

Preferably, the section of the movable block is circular, and the outer wall of the movable block is attached to the inner wall of the fixed groove.

Preferably, two ends of the second spring are respectively bonded with the movable block and the mounting groove.

Preferably, the section of draw-in groove is isosceles hexagon, draw-in groove inner wall and spacing outer wall laminating of dish.

The utility model has the following beneficial effects:

1. the clamping groove and the limiting disc are convenient for limiting the speed reducer main body better, so that the speed reducer main body is fixed better, and the arrangement of the movable column, the first spring, the rotating rod and the handle is convenient for fixing the limiting disc and the speed reducer main body better;

2. the installation groove, the second spring, the movable block and the fixed groove are arranged, so that the limiting disc and the speed reducer main body can be better limited, and the speed reducer main body can be better fixed.

Drawings

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

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is a perspective view of the movable plate, the movable column and the handle of the present invention.

In the figure: 1. a substrate; 2. a limiting disc; 3. a card slot; 4. a reducer body; 5. a threaded hole; 6. a limiting groove; 7. a rotating rod; 8. a movable post; 9. a first spring; 10. a movable plate; 11. a handle; 12. fixing grooves; 13. a movable block; 14. a second spring; 15. and (4) mounting the groove.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.

Referring to fig. 1-3, a tower crane rotation speed reducer comprises a substrate 1, a plurality of threaded holes 5 are formed in the periphery of the substrate 1, a clamping groove 3 is formed in the center of the top end of the substrate 1, a mounting groove 15 is formed in the inner wall of the clamping groove 3, a second spring 14 is fixedly connected to the bottom of the inner wall of the mounting groove 15, a movable block 13 is fixedly connected to the top end of the second spring 14, a limiting disc 2 is arranged on the top end of the clamping groove 3, a speed reducer main body 4 is fixedly connected to the top end of the limiting disc 2, one side, close to the clamping groove 3, of the substrate 1 is rotatably connected with a plurality of rotating rods 7, a first spring 9 is fixedly connected to the top end of each rotating rod 7, a movable plate 10 is fixedly connected to the top end of each first spring 9, a handle 11 is fixedly connected to the top end of each movable plate 10, a movable column 8 is fixedly connected to the bottom of each movable column 8, and is clamped with the substrate 1 through the corresponding limiting groove 6.

As shown in fig. 1-3, the cross section of the substrate 1 is circular, the thickness of the substrate 1 is not less than two centimeters, and the substrate 1 is made of stainless steel. The section of activity post 8 is circular, and 8 outer walls of activity post are laminated with 6 inner walls of spacing groove, and activity post 8 is stainless steel. The section of draw-in groove 3 is isosceles hexagon, and 3 inner walls of draw-in groove are laminated with 2 outer walls of spacing dish. The section of the movable block 13 is circular, and the outer wall of the movable block 13 is attached to the inner wall of the fixed groove 12. Two ends of the second spring 14 are respectively bonded with the movable block 13 and the mounting groove 15. Two ends of the first spring 9 are respectively bonded with the movable plate 10 and the rotating rod 7, the section of the movable plate 10 is circular, and the movable plate 10 is made of stainless steel. The rotating rod 7 is connected with the base plate 1 through a bearing, the bottom of the rotating rod 7 is attached to the limiting disc 2, the rotating rod 7 is made of stainless steel, the thickness of the rotating rod 7 is not less than two millimeters, the rotating rod 7 is rod-shaped, and the section of the rotating rod 7 is rectangular.

When the base plate fixing device is used, the base plate 1 is fixed on a tower crane through the threaded hole 5 by using a bolt, the handle 11 is pulled up to pull the movable column 8 out of the limiting groove 6 and rotate the rotating rod 7, the limiting disc 2 is placed in the clamping groove 3, the limiting disc 2 is pressed and the rotating rod 7 is rotated, so that the movable column 8 can be better clamped into the limiting groove 6, the limiting disc 2 and the speed reducer main body 4 can be fixed when the movable column 8 enters the limiting groove 6, and the operation is performed reversely when the speed reducer main body 4 is required to be disassembled.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a tower machine slewing reducer, includes base plate (1), its characterized in that: a plurality of threaded holes (5) are formed in the peripheral side of the substrate (1), a clamping groove (3) is formed in the center of the top end of the substrate (1), a mounting groove (15) is formed in the inner wall of the clamping groove (3), a second spring (14) is fixedly connected to the bottom of the inner wall of the mounting groove (15), a movable block (13) is fixedly connected to the top end of the second spring (14), a limiting disc (2) is arranged at the top end of the clamping groove (3), a speed reducer main body (4) is fixedly connected to the top end of the limiting disc (2), a plurality of rotating rods (7) are rotatably connected to one side, close to the clamping groove (3), of the substrate (1), a first spring (9) is fixedly connected to the top end of each rotating rod (7), a movable plate (10) is fixedly connected to the top end of each first spring (9), a handle (11) is fixedly connected to the top end of each movable plate (10), a movable column (8) is fixedly connected to the bottom of each movable plate (10), the bottom of the movable column (8) penetrates through the rotating rod (7) and is clamped with the substrate (1) through the limiting groove (6).

2. The tower crane slewing reducer of claim 1, characterized in that: the cross section of the substrate (1) is circular, and the thickness of the substrate (1) is not less than two centimeters.

3. The tower crane slewing reducer of claim 1, characterized in that: the section of activity post (8) is circular, activity post (8) outer wall and spacing groove (6) inner wall laminating.

4. The tower crane slewing reducer of claim 1, characterized in that: two ends of the first spring (9) are respectively bonded with the movable plate (10) and the rotating rod (7).

5. The tower crane slewing reducer of claim 1, characterized in that: the rotating rod (7) is connected with the substrate (1) through a bearing, and the bottom of the rotating rod (7) is attached to the limiting disc (2).

6. The tower crane slewing reducer of claim 1, characterized in that: the section of the movable block (13) is circular, and the outer wall of the movable block (13) is attached to the inner wall of the fixed groove (12).

7. The tower crane slewing reducer of claim 1, characterized in that: and two ends of the second spring (14) are respectively bonded with the movable block (13) and the mounting groove (15).

8. The tower crane slewing reducer of claim 1, characterized in that: the section of the clamping groove (3) is in an isosceles hexagon shape.