阅读说明：本技术 一种挖掘机转台主体结构 (Main body structure of rotary table of excavator ) 是由 韩露 于 2020-03-31 设计创作，主要内容包括：本发明公开了一种挖掘机转台主体结构,包括转台本体,所述转台本体的顶部固定连接有对称设置的两个凸耳,所述转台本体中端处设有中央回转接头,所述转台本体的两端均设有滑槽,所述滑槽内滑动连接有配重块,两个所述滑槽相对的一侧均连通有凹槽,所述凹槽内固定连接有螺纹杆,所述螺纹杆上螺纹套接有移动块,所述移动块与配重块之间通过连接块固定连接,所述转台本体的一侧顶部外壁上设有安装槽,所述安装槽内设有电机,所述电机的输出端固定连接有轴杆,所述轴杆远离电机的一端上固定连接有主动轮,本发明通过配重块的设置,可以在陡峭地形作业时,平衡挖掘机的重量,且通过电机可对配重块的位置进行调节,适应不同路况。(The invention discloses a main body structure of a rotary table of an excavator, which comprises a rotary table body, wherein the top of the rotary table body is fixedly connected with two lugs which are symmetrically arranged, the middle end of the rotary table body is provided with a central rotary joint, two ends of the rotary table body are respectively provided with a sliding chute, a balancing weight is connected in the sliding chutes in a sliding manner, one sides of the two sliding chutes, which are opposite to each other, are respectively communicated with a groove, a threaded rod is fixedly connected in the groove, a moving block is sleeved on the threaded rod in a threaded manner, the moving block and the balancing weight are fixedly connected through a connecting block, the outer wall of the top of one side of the rotary table body is provided with a mounting groove, a motor is arranged in the mounting groove, the output end of the motor is fixedly connected with a shaft lever, and one, and the position of the balancing weight can be adjusted through the motor, so that the road condition adjusting device is suitable for different road conditions.)

1. The utility model provides an excavator revolving stage major structure, includes revolving stage body (1), its characterized in that: the top of the rotary table body (1) is fixedly connected with two lugs (2) which are symmetrically arranged, the middle end of the rotary table body (1) is provided with a central rotary joint (3), two ends of the rotary table body (1) are respectively provided with a sliding chute (4), the sliding chutes (4) are connected with a balancing weight (5) in a sliding manner, one side of each of the two sliding chutes (4) which is opposite to each other is communicated with a groove (6), the grooves (6) are internally and fixedly connected with a threaded rod (7), the threaded rod (7) is sleeved with a moving block (8) in a threaded manner, the moving block (8) is fixedly connected with the balancing weight (5) through a connecting block (9), the outer wall of the top of one side of the rotary table body (1) is provided with a mounting groove (10), a motor (11) is arranged in the mounting groove (10), the output end of the motor (11) is fixedly connected with a shaft lever, one end of the threaded rod (7) is fixedly sleeved with a driven wheel (14), the driving wheel (13) is connected with the driven wheel (14) through a synchronous belt (15), and an opening corresponding to the synchronous belt (15) is formed in the rotary table body (1).

2. The excavator turntable body structure of claim 1, wherein: the turntable is characterized in that buffer plates (16) are fixedly connected to the outer walls of the four sides of the turntable body (1), and the buffer plates (16) are made of rubber.

3. The excavator turntable body structure of claim 1, wherein: fixedly connected with backup pad (17) on the outer wall of motor (11), the both ends of backup pad (17) all with the inner wall fixed connection of mounting groove (10).

4. The excavator turntable body structure of claim 1, wherein: the moving block (8) is provided with a plurality of rotating grooves, and balls (18) are rotatably connected in the plurality of rotating grooves.

5. The excavator turntable body structure of claim 1, wherein: the driving wheel (13) and the driven wheel (14) are belt pulleys, and the synchronous belt (15) is a belt.

6. The excavator turntable body structure of claim 1, wherein: fixedly connected with spring telescopic link (19) on one side outer wall of balancing weight (5), the one end and spout (4) inner wall fixed connection of balancing weight (5) are kept away from in spring telescopic link (19).

Technical Field

The invention relates to the field of excavator related products, in particular to an excavator turntable main body structure.

Background

An excavator, also called excavating machinery, also called an excavator, is an earth moving machinery which excavates materials higher or lower than a bearing surface by a bucket and loads the materials into a transport vehicle or unloads the materials to a stockyard, a rotary table for the excavator is one of main mechanisms of the excavator, and mainly plays a role in supporting a cab, an oil tank and an engine, the excavator not only needs to work in flat ground, but also often passes through areas with steep dangers such as mountain forests, rivers and the like, and the excavator inevitably touches other objects when driving and working.

But the current excavator revolving stage major structure is comparatively simple at the balancing weight exterior structure of adaptation usually, can't adjust the position, is difficult to adapt to the topography work in different regions.

Disclosure of Invention

The invention aims to provide a main body structure of a rotary table of an excavator, which aims to solve the problems that the existing main body structure of the rotary table of the excavator in the background art is simple in structure outside an adaptive balancing weight, cannot adjust the position and is difficult to adapt to the work of terrains in different areas.

In order to achieve the purpose, the invention provides the following technical scheme: a main body structure of a rotary table of an excavator comprises a rotary table body, wherein the top of the rotary table body is fixedly connected with two lugs which are symmetrically arranged, the middle end of the rotary table body is provided with a central rotary joint, two ends of the rotary table body are respectively provided with a sliding groove, a balancing weight is connected in the sliding grooves in a sliding manner, one sides of the two sliding grooves, which are opposite to each other, are respectively communicated with a groove, a threaded rod is fixedly connected in the groove, a moving block is sleeved on the threaded rod in a threaded manner, the moving block is fixedly connected with the balancing weight through a connecting block, the outer wall of the top of one side of the rotary table body is provided with a mounting groove, a motor is arranged in the mounting groove, the output end of the motor is fixedly connected with a shaft lever, one end of, the turntable body is provided with an opening corresponding to the synchronous belt.

Preferably, the outer walls of four sides of the turntable body are fixedly connected with buffer plates, and the buffer plates are made of rubber.

Preferably, the outer wall of the motor is fixedly connected with a supporting plate, and two ends of the supporting plate are fixedly connected with the inner wall of the mounting groove.

Preferably, a plurality of rotating grooves are formed in the moving block, and balls are rotatably connected in the plurality of rotating grooves.

Preferably, the driving wheel and the driven wheel are belt pulleys, and the synchronous belt is a belt.

Preferably, a spring telescopic rod is fixedly connected to the outer wall of one side of the balancing weight, and one end, far away from the balancing weight, of the spring telescopic rod is fixedly connected with the inner wall of the sliding groove.

Compared with the prior art, the invention has the beneficial effects that:

1. this excavator revolving stage major structure, controller in through user control cockpit controls the motor, the motor will drive the axostylus axostyle when starting and rotate, install when the axostylus axostyle rotates that the action wheel is followed and is rotated at axostylus axostyle one end, the action wheel will utilize the hold-in range to drive from the driving wheel rotation this moment, will drive the threaded rod of installing when from the driving wheel rotation and rotate, set up the screw thread that corresponds with the threaded rod on the movable block, will follow the threaded rod when the threaded rod rotates and move, utilize to be connected between connecting block and the balancing weight, thereby drive the balancing weight and slide in the spout, adjust the position of balancing weight, the invention passes through the setting of balancing weight, can be when precipitous topography operation, the weight of balanced excavator, and can.

Drawings

FIG. 1 is a schematic structural diagram of a main body structure of a turntable of an excavator according to the present invention;

fig. 2 is a schematic view of the connection between a driving wheel and a driven wheel of a main structure of a turntable of an excavator.

In the figure: 1-a turntable body, 2-a lug, 3-a central rotary joint, 4-a chute, 5-a balancing weight, 6-a groove, 7-a threaded rod, 8-a moving block, 9-a connecting block, 10-a mounting groove, 11-a motor, 12-a shaft lever, 13-a driving wheel, 14-a driven wheel, 15-a synchronous belt, 16-a buffer plate, 17-a supporting plate, 18-a ball and 19-a spring telescopic rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-2, an embodiment of the present invention is shown: a main body structure of a rotary table of an excavator comprises a rotary table body 1, the top of the rotary table body 1 is fixedly connected with two lugs 2 which are symmetrically arranged, the middle end of the rotary table body 1 is provided with a central rotary joint 3, two ends of the rotary table body 1 are respectively provided with a sliding chute 4, a balancing weight 5 is slidably connected in the sliding chute 4, one side of the two sliding chutes 4 which is opposite to each other is communicated with a groove 6, a threaded rod 7 is fixedly connected in the groove 6, a moving block 8 is sleeved on the threaded rod 7 in a threaded manner, the moving block 8 is fixedly connected with the balancing weight 5 through a connecting block 9, the outer wall of the top of one side of the rotary table body 1 is provided with a mounting groove 10, a motor 11 is arranged in the mounting groove 10, the output end of the motor 11 is fixedly connected with a shaft rod 12, one end of the shaft, be equipped with the opening that corresponds with hold-in range 15 on the revolving stage body 1, specific saying, the controller in the control cockpit controls motor 11, motor 11 will drive axostylus axostyle 12 when starting and rotate, install when axostylus axostyle 12 rotates and serve action wheel 13 and follow and rotate at axostylus axostyle 12, action wheel 13 will utilize hold-in range 15 to drive from driving wheel 14 to rotate this moment, will drive threaded rod 7 installed when following 14 rotations and rotate, set up the screw thread that corresponds with threaded rod 7 on the movable block 8, will follow threaded rod 7 when threaded rod 7 rotates and remove, utilize and be connected between connecting block 9 and balancing weight 5, thereby it slides in spout 4 to drive balancing weight 5, adjust the position of balancing weight 5.

Further, equal fixedly connected with buffer board 16 on the outer wall of four sides of revolving stage body 1, buffer board 16 material is rubber, protects revolving stage body 1's outer wall.

Further, fixedly connected with backup pad 17 on the outer wall of motor 11, the both ends of backup pad 17 all with the inner wall fixed connection of mounting groove 10, reduce the vibration of motor 11 when the operation.

Further, the moving block 8 is provided with a plurality of rotating grooves, and balls 18 are rotatably connected to the plurality of rotating grooves, so that the moving smoothness of the moving block 8 is improved.

Further, the driving pulley 13 and the driven pulley 14 are both belt pulleys, and the synchronous belt 15 is a belt.

Further, fixedly connected with spring telescopic rod 19 on one side outer wall of balancing weight 5, spring telescopic rod 19 keep away from balancing weight 5 one end and 4 inner wall fixed connection of spout, stability when increasing balancing weight 5 and removing.

The working principle is as follows: at first the controller in user's control cockpit controls motor 11, motor 11 will drive axostylus axostyle 12 when starting and rotate, install when axostylus axostyle 12 rotates and serve driving wheel 13 and follow and rotate at axostylus axostyle 12, driving wheel 13 will utilize hold-in range 15 to drive from 14 rotations of driving wheel this moment, will drive threaded rod 7 installed when rotating from 14 rotations of driving wheel and rotate, set up the screw socket that corresponds with threaded rod 7 on the movable block 8, will follow threaded rod 7 when threaded rod 7 rotates and remove, utilize and be connected between connecting block 9 and the balancing weight 5, thereby it slides in spout 4 to drive balancing weight 5, adjust balancing weight 5's position.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.