阅读说明：本技术 一种双油管跟踪输送机构 (A kind of double tube tracking conveying mechanism ) 是由 王强 李朝波 邱智 许建春 张绍北 陈建 胡文才 于 2019-08-27 设计创作，主要内容包括：本发明公开了一种双油管跟踪输送机构,在一节臂与二节臂之间和二节臂与三节臂之间设置滑块机构,滑块机构包括滑块,第一油管滑轮、第二油管滑轮固定在滑块上,且相对滑块转动；在滑块两端分别设置第一钢丝绳组件、第二钢丝绳组件,第一钢丝绳组件的第一钢丝绳滑轮、第二钢丝绳组件的第二钢丝绳滑轮分别固定在滑块的两端,且相对滑块转动,第一钢丝绳的两端绕过第一钢丝绳滑轮分别与一节臂口部、二节臂口部相连,第二钢丝绳的两端绕过第二钢丝绳滑轮分别与一节臂尾部、二节臂尾部相连,跟踪油管输送机构均能够对Ⅰ#油缸1级缸、Ⅰ#油缸2级缸和Ⅱ#油缸分别供油或任意组合供油,使起重机的每节伸缩臂能够独立伸缩,从而使伸缩臂在任意臂长进行作业。(The invention discloses a kind of double tubes to track conveying mechanism, and slide block mechanism is arranged between two joint arms and three joint arms between a joint arm and two joint arms, and slide block mechanism includes sliding block, and the first oil pipe pulley, the second oil pipe pulley are fixed on sliding block, and opposing slider rotates；The first steel wire rope component is respectively set at sliding block both ends, second steel wire rope component, first wire rope pulley of the first steel wire rope component, second wire rope pulley of the second steel wire rope component is separately fixed at the both ends of sliding block, and opposing slider rotates, the both ends of first wirerope around the first wire rope pulley respectively with a joint arm oral area, two joint arm oral areas are connected, the both ends of second wirerope around the second wire rope pulley respectively with a joint arm tail portion, two joint arm tail portions are connected, tracking oil tube conveying mechanism can be to I # oil cylinder, 1 grade of cylinder, I 2 grades of # oil cylinder cylinder and II # oil cylinder difference fuel feeding or any combination fuel feeding, enable every section telescopic arm independent telescope of crane, to make telescopic arm carry out operation in any brachium.)

1. a kind of double tube tracks conveying mechanism, including

It is separately positioned between one joint arm of crane (17) and two joint arms (18), is oil between two joint arms (18) and three joint arms (19) The first oil pipe (9), the second oil pipe (10) of oil supply cylinder；

Drive the first oil pipe (9), the first oil pipe pulley (4) of the second oil pipe (10) fuel feeding, the second oil pipe pulley (5)；

It is characterized by also including be arranged between a joint arm (17) and two joint arms (18) and two joint arms (18) and three joint arms (19) Between sliding block (7) mechanism, sliding block (7) mechanism include positioned at two joint arms (18) or three joint arms (19) upper surface middle part it is sliding Sliding block (7) in slot, the first oil pipe pulley (4), the second oil pipe pulley (5) are fixed on sliding block (7), the first oil pipe pulley (4), The rotation of second oil pipe pulley (5) opposing slider (7)；It further include the first wirerope (2) component for being fixed on sliding block (7) both ends, Two steel wire rope components, the first wirerope (2) component include the first wire rope pulley (6), the first wirerope (2), and described the Two steel wire rope components include the second wire rope pulley (12), the second wirerope, and the first wire rope pulley (6), the second wirerope are sliding Wheel (12) is separately fixed at the both ends of sliding block (7), the first wire rope pulley (6), the second wire rope pulley (12) opposing slider (7) Rotation, the both ends of the first wirerope (2) around the first wire rope pulley (6) respectively with a joint arm (17) oral area, two joint arms (18) Oral area is connected, the both ends of the second wirerope around the second wire rope pulley (12) respectively with a joint arm (17) tail portion, two joint arms (18) tail portion is connected.

2. double tube as described in claim 1 tracks conveying mechanism, it is characterised in that: first oil pipe (9), the second oil pipe (10) it is set side by side, the first oil pipe (9), the close end position of the second oil pipe (10) are fixed by pipe clamp (11), the pipe clamp (11) it is separately fixed at a joint arm (17), in two joint arms (18).

3. double tube as described in claim 1 tracks conveying mechanism, it is characterised in that: the first oil pipe (9) of adjacent joint arm and It is connected to respectively by the first hose (15), the second hose (16) between second oil pipe (10).

4. double tube as described in claim 1 tracks conveying mechanism, it is characterised in that: first wirerope (2), the second steel Cord is connect with a joint arm (17) oral area and two joint arms (18) oral area by dismountable connecting plate (1) respectively, the connection It is connected by screw bolts between plate (1) and a joint arm (17) oral area, two joint arms (18) oral area.

5. double tube as claimed in claim 4 tracks conveying mechanism, it is characterised in that: the first wirerope (2), the second wirerope Both ends be respectively provided with screw rod, the screw rod with pass through adjusting nut (13), locking nut (14) on connecting plate (1) and connect.

6. as double tube described in any one of claim 1 to 5 tracks conveying mechanism, it is characterised in that: set on the sliding block (7) It is equipped with shield, the shield includes sliding block cover (3), oil pipe pulley shield (20) and wire rope pulley cover (21), is installed respectively At the first oil pipe pulley (4), the second oil pipe pulley (5) and the first wire rope pulley (6), the second wire rope pulley (12).

7. double tube according to claim 6 tracks conveying mechanism, it is characterised in that: the sliding block cover (3), oil pipe pulley Cover (20) and the first oil pipe (9), the inside bending in the second oil pipe (10) contact site.

8. double tube as claimed in claim 7 tracks conveying mechanism, it is characterised in that: the first oil pipe pulley (4), the second oil pipe Pulley (5) and the first wire rope pulley (6), the second wire rope pulley (12) are mounted on sliding block (7) by pulley spindle (8).

9. double tube as claimed in claims 6 or 7 tracks conveying mechanism, it is characterised in that: the first oil pipe (9), the second oil pipe (10) abrasive rubber hose is all made of to be made.

10. double tube as claimed in claims 6 or 7 tracks conveying mechanism, it is characterised in that: the sliding block (7), the first oil pipe Pulley (4), the second oil pipe pulley (5), the first wire rope pulley (6), the second wirerope cunning are all made of nylon material.

Technical field

The present invention relates to crane technical field, the double tube of especially a kind of telescopic arm tracks conveying mechanism.

Background technique

With industrial expansions such as building installation engineering and national defence, telescopic arm structure has obtained widely in engineering practice With.It the advantage is that, it has biggish bearing capacity when by a small margin, has again under the load situation of permission longer Operation distance and higher operation height.Telescopic arm structure is chiefly used on engineering truck or other means of transports.

Six joint arm autocranes, current most of manufacturers are all made of single-cylinder bolt technology and carry out stretching for telescopic arm Contracting can effectively improve lifting performance its main feature is that flexible arm assembly is light-weight, but the disadvantage is that contraction time is too long, cause to make Industry is inefficient, and every section telescopic arm can only stretch to the ratio of setting, high production cost, though therefore this kind of flexible technology answer extensively It is difficult to promote for hoister in large tonnage, but on middle or small tonnage crane.

Five joint arm autocranes frequently be that two oil cylinders+two cover telescopic arm wirerope and realize that telescopic arm is flexible, In order to reach more remote operation, such stretch mode is applied on six joint arm cranes, i.e. I # oil cylinder uses Multi-stage cylinder (twin-stage cylinder) controls two, three joint arms respectively and stretches, and II # oil cylinder+two covers telescopic arm wirerope four, five, six joint arms of control and stretches, and supplies Oily problem is solved by oil pipe follower.For fuel feeding problem, original way is between one, two joint arms and two, three joint arms Between be respectively arranged an excessively oily hose, pass through the excessively oily hose fuel feeding of pulley driving.This method can not be effective due to tracking pipe It is fixed, it cannot be run by projected route, and telescopic arm inner space is narrow, part is more, and interference damage hidden danger is big, and replacement is difficult, The poor reliability in practice.In addition, oil cylinder can be caused to bounce back suddenly since oil cylinder core tube volume changes when semi-girder, i.e., in reality In the work of border, telescopic arm can bounce back a distance suddenly in semi-girder, easily cause security risk.

Summary of the invention

Technical problem to be solved by the invention is to provide a kind of double tubes to track conveying mechanism, can be 1 grade to I # oil cylinder Cylinder, I # oil cylinder, 2 grades of cylinders and II # oil cylinder difference fuel feeding or any combination fuel feeding guarantee that any brachium position can effectively fuel feeding be made Industry, and can effectively guide tracking oil pipe operating path.

The technical scheme adopted by the invention is that: a kind of double tube tracking conveying mechanism, including it is separately positioned on crane It is the first oil pipe, the second oil pipe of oil cylinder fuel feeding between one joint arm and two joint arms, between two joint arms and three joint arms；Drive the first oil Pipe, the first oil pipe pulley of the second oil pipe fuel feeding, the second oil pipe pulley；It further include being arranged between a joint arm and two joint arms and two Slide block mechanism between joint arm and three joint arms, the slide block mechanism include the upper surface middle part sliding slot positioned at two joint arms or three joint arms Interior sliding block, the first oil pipe pulley, the second oil pipe pulley are fixed on sliding block, and the first oil pipe pulley, the second oil pipe pulley are opposite Sliding block rotation；It further include the first steel wire rope component for being fixed on sliding block both ends, the second steel wire rope component, the first wirerope group Part includes the first wire rope pulley, the first wirerope, and second steel wire rope component includes the second wire rope pulley, the second steel wire Rope, the first wire rope pulley, the second wire rope pulley are separately fixed at the both ends of sliding block, the first wire rope pulley, the second steel wire The rotation of rope pulley opposing slider, the both ends of the first wirerope around the first wire rope pulley respectively with a joint arm oral area, two joint arms Oral area is connected, and the both ends of the second wirerope are connected with a joint arm tail portion, two joint arm tail portions respectively around the second wire rope pulley.

The beneficial effects of the present invention are:

(1) tracking oil tube conveying mechanism can to I # oil cylinder, 1 grade of cylinder, I # oil cylinder, 2 grades of cylinders and II # oil cylinder distinguish fuel feeding or Any combination fuel feeding, enables every section telescopic arm independent telescope of crane, so that telescopic arm be made to carry out operation in any brachium.

(2) since each oil pipe is individually for telescopic arm fuel feeding, solve telescopic arm can bounce back suddenly in semi-girder one section away from From the problem of.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of double tube tracking conveying mechanism of the present invention.

Fig. 2 is the oil pipe connection schematic diagram of telescopic arm tail portion of the present invention.

In the figure, it is marked as 1- connecting plate, the first wirerope of 2-, 3- sliding block cover, 4- the first oil pipe pulley, the second oil pipe of 5- are sliding Wheel, the first wire rope pulley of 6-, 7- sliding block, 8- pulley spindle, the first oil pipe of 9-, the second oil pipe of 10-, 11- pipe clamp, the second steel of 12- Cord pulley, 13- adjusting nut, 14- locking nut, the first hose of 15-, the second hose of 16-, mono- joint arm of 17-, bis- joint arm of 18-, 19- three joint arms, 20- oil pipe pulley shield, 21- wire rope pulley cover.

Specific embodiment

Present invention will be further explained below with reference to the attached drawings and examples.

Telescopic arm wirerope is covered using two oil cylinders+two the present invention is based on existing six joint arms telescopic arm structure to stretch to realize On the basis of contracting arm is flexible, the improvement that structure for conveying is made is tracked to the fuel feeding of oil pipe.

As depicted in figs. 1 and 2, a kind of double tube of the invention tracks conveying mechanism, including is separately positioned on crane one Between joint arm 17 and two joint arms 18, between two joint arms 18 and three joint arms 19 be oil cylinder fuel feeding the first oil pipe 9, the second oil pipe 10, Drive the first oil pipe 9, the first oil pipe pulley 4 of 10 fuel feeding of the second oil pipe, the second oil pipe pulley 5.First oil pipe 9 of adjacent joint arm And second be connected between oil pipe 10 respectively by the first hose 15, the second hose 16, realizes the oil circuit company of two sets 7 mechanisms of sliding block It is logical.Specifically, the diameter of the first oil pipe pulley 4 is greater than the diameter of the second oil pipe pulley 5, after guaranteeing installation, the second oil pipe is bypassed The oil pipe of pulley 5 and arranged side by side around the oil pipe of the first oil pipe pulley 4, and be located at around the oil pipe of the second oil pipe pulley 5 around the The inside of the oil pipe of one oil pipe pulley 4.

In order to realize fixation and guidance to the first oil pipe 9, the second oil pipe 10, between a joint arm 17 and two joint arms 18 and 7 mechanism of sliding block is set between two joint arms 18 and three joint arms 19,7 mechanism of sliding block includes sliding block 7, with a joint arm 17 and two joint arms 18 it Between sliding block 7 for, when initial installation, sliding block 7 is located in the upper surface middle part sliding slot of two joint arms 18, and lubricating oil is marked in sliding slot Run sliding block 7 smooth, the first oil pipe pulley 4, the second oil pipe pulley 5 are fixed on sliding block 7, first the 4, second oil of oil pipe pulley The rotation of 5 opposing slider 7 of pipe pulley.

In order to make the first oil pipe 9, the second oil pipe 10 by both fixed track fuel feeding, the first steel wire is respectively set at 7 both ends of sliding block It restricts 2 components, the second steel wire rope component, 2 component of the first wirerope includes the first wire rope pulley 6, the first wirerope 2, the second steel Cord component includes the second wire rope pulley 12, the second wirerope, the first wire rope pulley 6, the second wire rope pulley 12 difference The both ends of sliding block 7 are fixed on, the first wire rope pulley 6,12 opposing slider 7 of the second wire rope pulley rotate, the first wirerope 2 Both ends are connected respectively around the first wire rope pulley 6 with 17 oral area of a joint arm, two joint arms, 18 oral area, the both ends of the second wirerope around The second wire rope pulley 12 is crossed to be connected with 17 tail portion of a joint arm, two joint arms, 18 tail portion respectively.Unilateral oil pipe, wirerope are connected It is connected to the tail portion of same joint arm 17, relative motion is avoided to lead to oil pipe friction damage.Sliding block between two joint arms 18, three joint arms 19 7 mechanism mounting means of sliding block between 7 mechanisms and an above-mentioned joint arm 17, two joint arms 18 is identical.

Oil pipe and sliding block 7, construction of wire rope based on aforementioned present invention are arranged, I 1 grade of # oil cylinder cylinder, I # oil cylinder, 2 grades of cylinders Fuel feeding or any combination fuel feeding can be distinguished with II # oil cylinder, i.e. two joint arms 18, the joint arm of three joint arms 19 and 456 can be stretched respectively Contracting, realizes any flexible of crane arm, and I # oil cylinder, 1 grade of cylinder, I # oil cylinder, 2 grades of cylinders or II # oil cylinder any one when stretching, first Wirerope 2, the second wirerope can be moved with sliding block 7, realize the synchronous transport of the first oil pipe 9, the second oil pipe 10, be protected Demonstrate,proving any brachium position can effectively fuel feeding operation.

Further, the first oil pipe 9, the second oil pipe 10 are set side by side, the first oil pipe 9, the second oil pipe 10 lean on close end Position is fixed by pipe clamp 11, and the specific pipe clamp 11 is separately fixed inside a joint arm and two joint arm tops, installs on hose 11 guiding hose path of pipe clamp and the reliability for improving hose coupling.

Further, the first wirerope 2, the second wirerope by dismountable connecting plate 1 respectively with 17 mouthfuls of a joint arm Portion is connected with two joint arms, 18 oral area, is connected by screw bolts between 17 oral area of connecting plate 1 and a joint arm, two joint arms, 18 oral area, removable It unloads and is easily installed, avoid wirerope installation interference.

Further, the first wirerope 2, the second wirerope both ends be respectively provided with screw rod, pass through on the screw rod and connecting plate 1 Adjusting nut 13, locking nut 14 connect, convenient for the elastic adjusting of wirerope.

Further, shield is provided on sliding block 7, shield includes that sliding block cover 3, oil pipe pulley shield 20 and wirerope are sliding Wheel cover 21 is separately mounted to the first oil pipe pulley 4, the second oil pipe pulley 5 and the first wire rope pulley 6, the second wire rope pulley At 12, sliding block cover 3, oil pipe pulley shield 20 and wire rope pulley cover 21 are guided and are protected to oil pipe and wirerope respectively, sliding Block cover 3, oil pipe pulley shield 20 and the first oil pipe 9, the inside bending in 10 contact site of the second oil pipe, to reduce oil pipe and shield Friction improves oil pipe service life.Pulley shield, oil pipe pulley shield 20 and wire rope pulley cover 21 and sliding block 7 specifically pass through spiral shell It tethers and connects, good reliability.First oil pipe pulley 4, the second oil pipe pulley 5 and the first wire rope pulley 6, the second wire rope pulley 12 It is mounted on sliding block 7 by pulley spindle 8.

Further, the first oil pipe 9, the second oil pipe 10 material be all made of abrasive rubber hose, lesser drawing can be born Power and frictional force, reduce the abrasion of oil pipe, to extend the service life of oil pipe.

Further, be mitigate 7 mechanism of sliding block overall weight, sliding block 7, the first oil pipe pulley 4, the second oil pipe pulley 5, First wire rope pulley 6, the second wirerope cunning are all made of nylon material.