阅读说明：本技术 一种智能中央回转接头 (A kind of Intelligent central swivel joint ) 是由 夏泽民 周涛 徐勤军 缪勤竹 于 2019-08-21 设计创作，主要内容包括：本发明涉及一种智能中央回转接头,它包括回转轴(1)和回转体(2),所述回转轴(1)下端从回转体(2)的上端轴向插入回转体(2)内,且回转轴(1)的上端露出于回转体(2),所述回转轴(1)中心沿轴向开设有第一通孔(3),所述回转体(2)下端设置有外端盖(4),所述外端盖(4)中心设置有传感器(5),所述回转轴(1)上端设置有信号发生器(6),所述信号发生器(6)产生的电信号穿过第一通孔(3)后被传感器(6)接收。本发明一种智能中央回转接头,它能够精确控制回转接头的回转角度,解决目前机械传动变换角度不准确,无法实现自动控制的问题,有效防止机构损害事故的发生。(The present invention relates to a kind of Intelligent central swivel joints, it includes rotating shaft (1) and revolving body (2), rotating shaft (1) lower end is out of the insertion of the top axial of revolving body (2) revolving body (2), and the upper end of rotating shaft (1) is exposed to revolving body (2), rotating shaft (1) center is provided in the axial direction with first through hole (3), revolving body (2) lower end is provided with outer end cap (4), the outer end cap (4) is provided centrally with sensor (5), rotating shaft (1) upper end is provided with signal generator (6), the electric signal that the signal generator (6) generates is received after passing through first through hole (3) by sensor (6).A kind of Intelligent central swivel joint of the present invention, it can accurately control the angle of revolution of swivel joint, solve the problem of that current machine driving transformation angle inaccuracy cannot achieve automatic control, effectively prevent the generation of mechanism Injury accident.)

1. a kind of Intelligent central swivel joint, it is characterised in that: it includes rotating shaft (1) and revolving body (2), the rotating shaft (1) center is provided in the axial direction with first through hole (3), and revolving body (2) lower end is provided with outer end cap (4), the outer end cap (4) It is provided centrally with sensor (5), rotating shaft (1) upper end is provided with signal generator (6), and the signal generator (6) produces Raw electric signal is received after passing through first through hole (3) by sensor (6).

2. a kind of Intelligent central swivel joint according to claim 1, it is characterised in that: the sensor (6) and the external world Control system is connected.

3. a kind of Intelligent central swivel joint according to claim 1, it is characterised in that: on revolving body (2) bottom surface It is provided with interior step (7), is provided with inner end cap (8) on the interior step (7), it is logical that inner end cap (8) center offers second Hole (9), second through-hole (9) are connected with first through hole (3).

4. a kind of Intelligent central swivel joint according to claim 3, it is characterised in that: set on the outside of the interior step (7) It is equipped with outer step (10), is provided with the first sealing ring (11) between the outer end cap (4) and outer step (10).

5. a kind of Intelligent central swivel joint according to claim 3, it is characterised in that: the inner end cap (8) passes through company Connecting bolt (12) is connected with rotating shaft (1).

6. a kind of Intelligent central swivel joint according to claim 1, it is characterised in that: the outer end cap (4) passes through company Connecting bolt (12) is connected with revolving body (2).

7. a kind of Intelligent central swivel joint according to claim 1, it is characterised in that: the rotating shaft (1) includes upper Section (1.1) and lower section (1.2), the lower section (1.2) of the rotating shaft (1) are plugged in revolving body (2).

8. a kind of Intelligent central swivel joint according to claim 7, it is characterised in that: the upper section of the rotating shaft (1) (1.1) bottom outer-edge is provided with sloping platform (1.3), is provided with the second sealing ring between the sloping platform (1.3) and revolving body (2) top surface (12)。

9. a kind of Intelligent central swivel joint according to claim 1, it is characterised in that: rotating shaft (1) upper end is set It is equipped with mounting hole (14), the signal generator (6) is connected by screw thread with mounting hole (14).

Technical field

The present invention relates to a kind of Intelligent central swivel joints, belong to technical field of engineering machinery.

Background technique

Due to the fast development of construction machinery industry at home in recent years, country carries forward vigorously construction machinery production industry Development, simultaneously because China's construction machinery production industry level is more external relatively backward compared to still, Foreign Engineering Machinery giant jail The handle in jail holds key technology, contains the development of domestic manufacture level.With the increase of the demand of engineering machinery at home, supply Contradiction is needed gradually to increase.

Center-rotary joint belongs to a critically important part in large-scale engineering machinery hydraulic unit, plays connection liquid up and down The important function on pressure pipe road, rotates smoothly engineering machinery, and the unimpeded of oil circuit plays particularly important effect.Currently, revolution Connector product has been directed to the different fields such as engineering, coal, chemical industry, petroleum, ship, rail traffic, and industry is different, to revolution The functional requirement of connector is also just had any different, and with the development of economy, demand, function and the reliability requirement of swivel joint be not It is disconnected to improve, therefore development and production efficient low-consume, diversification that production and marketing is satisfied the need, multi-functional and high technology content swivel joint product, To houses market share is expanded, enterprise competitiveness is promoted, influence power has important purpose and meaning.

Angle of revolution can accurately be detected by requiring in work machine control system at present, be mainly used for the operation of engineering machinery Scope limitation.When the difference of engineering machinery angle of revolution, there is different job areas, angle of revolution detection error is excessive to be influenced whether The stability of integral device.Existing engineering machinery center-rotary joint transmission transformation angle inaccuracy, cannot achieve automatic control System, it is likely that cause mechanism Injury accident.

Summary of the invention

The technical problem to be solved by the present invention is to provide a kind of Intelligent central swivel joint for the above-mentioned prior art, it The angle of revolution that swivel joint can accurately be controlled solves current machine driving transformation angle inaccuracy, cannot achieve automatic control The problem of processed, effectively prevent the generation of mechanism Injury accident.

The present invention solves the above problems used technical solution are as follows: a kind of Intelligent central swivel joint, it includes revolution Axis and revolving body, the revolution shaft lower end is out of the top axial of revolving body insertion revolving body, and the upper end of rotating shaft is exposed to Revolving body, the pivot axis center are provided in the axial direction with first through hole, and the revolving body lower end is provided with outer end cap, the outer end Lid is provided centrally with sensor, and the rotating shaft upper end is provided with signal generator, the electric signal that the signal generator generates It is received after first through hole by sensor.

Preferably, the sensor is connected with extraneous control system.

Preferably, it is provided with interior step on the revolving body bottom surface, inner end cap, the inner end are provided on the interior step Lid center offers the second through-hole, and second through-hole is connected with first through hole.

Preferably, it is provided with outer step on the outside of the interior step, it is close to be provided with first between the outer end cap and outer step Seal.

Preferably, the inner end cap is connected by connection bolt with rotating shaft.

Preferably, the outer end cap is connected by connection bolt with revolving body.

Preferably, the rotating shaft includes upper section and lower section, and the lower section of the rotating shaft is plugged in revolving body.

Preferably, the upper section bottom outer-edge of the rotating shaft is provided with sloping platform, sets between the sloping platform and revolving body top surface It is equipped with the second sealing ring.

Preferably, the rotating shaft upper end is provided with mounting hole, and the signal generator is connected by screw thread with mounting hole It connects.

Compared with the prior art, the advantages of the present invention are as follows:

1, the present invention exports electric signal by signal generator, and sensor receives the electric signal of signal generator output, energy It is enough precisely controlled the angle of revolution of swivel joint, current machine driving transformation angle inaccuracy is solved, cannot achieve automatic control The problem of, it effectively prevent the generation of mechanism Injury accident；

2, signal generator and sensor of the present invention are respectively positioned on the outside of revolving body and rotating shaft, and disassembly installation is very convenient, Be conducive to subsequent maintenance and replacement.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of Intelligent central swivel joint of the present invention.

Wherein:

Rotating shaft 1

Upper section 1.1

Lower section 1.2

Sloping platform 1.3

Revolving body 2

First through hole 3

Outer end cap 4

Sensor 5

Signal generator 6

Interior step 7

Inner end cap 8

Second through-hole 9

Outer step 10

First sealing ring 11

Connect bolt 12

Second sealing ring 13

Mounting hole 14.

Specific embodiment

The present invention will be described in further detail below with reference to the embodiments of the drawings.

As shown in Figure 1, one of the present embodiment Intelligent central swivel joint, it includes rotating shaft 1 and revolving body 2, institute 1 lower end of rotating shaft is stated out of the top axial of revolving body 2 insertion revolving body 2, and the upper end of rotating shaft 1 is exposed to revolving body 2, institute It states 1 center of rotating shaft and is provided in the axial direction with first through hole 3,2 lower end of revolving body is provided with outer end cap 4, in the outer end cap 4 The heart is provided with sensor 5, and 1 upper end of rotating shaft is provided with signal generator 6, the electric signal that the signal generator 6 generates It is received after first through hole 3 by sensor 6, the sensor 6 is connected with extraneous control system；

It is provided with interior step 7 on 2 bottom surface of revolving body, inner end cap 8, the inner end cap 8 are provided on the interior step 7 Center offers the second through-hole 9, and second through-hole 9 is connected with first through hole 3；

It is provided with outer step 10 on the outside of the interior step 7, is provided with the first sealing between the outer end cap 4 and outer step 10 Circle 11；

The outer end cap 4 is connected by connecting bolt 12 with revolving body 2；

The inner end cap 8 is connected by connecting bolt 12 with rotating shaft 1；

The rotating shaft 1 includes upper section 1.1 and lower section 1.2, and the lower section 1.2 of the rotating shaft 1 is plugged in revolving body 2, 1.1 bottom outer-edge of upper section of the rotating shaft 1 is provided with sloping platform 1.3, and the sloping platform 1.3 and revolving body are provided between 2 top surface Second sealing ring 13；

1 upper end of rotating shaft is provided with mounting hole 14, and the signal generator 6 is connected by screw thread with mounting hole 14 It connects.

In addition to the implementation, all to use equivalent transformation or equivalent replacement the invention also includes there is an other embodiments The technical solution that mode is formed should all be fallen within the scope of the hereto appended claims.